Merge branch 'master' of https://github.com/grpc/grpc into channelz-subchannels

16 files changed, 326 insertions, 140 deletions

diff --git a/test/cpp/util/.clang-tidy b/test/.clang-tidy
index f951ee5fea..f951ee5fea 100644
--- a/test/cpp/util/.clang-tidy
+++ b/test/.clang-tidy
diff --git a/test/core/end2end/fixtures/http_proxy_fixture.cc b/test/core/end2end/fixtures/http_proxy_fixture.cc
index ea9c000efb..b235c10165 100644
--- a/test/core/end2end/fixtures/http_proxy_fixture.cc
+++ b/test/core/end2end/fixtures/http_proxy_fixture.cc
@@ -52,6 +52,16 @@
 #include "test/core/util/port.h"
 
 struct grpc_end2end_http_proxy {
+  grpc_end2end_http_proxy()
+      : proxy_name(nullptr),
+        server(nullptr),
+        channel_args(nullptr),
+        mu(nullptr),
+        pollset(nullptr),
+        combiner(nullptr) {
+    gpr_ref_init(&users, 1);
+    combiner = grpc_combiner_create();
+  }
   char* proxy_name;
   grpc_core::Thread thd;
   grpc_tcp_server* server;
@@ -519,11 +529,7 @@ static void thread_main(void* arg) {
 grpc_end2end_http_proxy* grpc_end2end_http_proxy_create(
     grpc_channel_args* args) {
   grpc_core::ExecCtx exec_ctx;
-  grpc_end2end_http_proxy* proxy =
-      static_cast<grpc_end2end_http_proxy*>(gpr_malloc(sizeof(*proxy)));
-  memset(proxy, 0, sizeof(*proxy));
-  proxy->combiner = grpc_combiner_create();
-  gpr_ref_init(&proxy->users, 1);
+  grpc_end2end_http_proxy* proxy = grpc_core::New<grpc_end2end_http_proxy>();
   // Construct proxy address.
   const int proxy_port = grpc_pick_unused_port_or_die();
   gpr_join_host_port(&proxy->proxy_name, "localhost", proxy_port);
@@ -573,7 +579,7 @@ void grpc_end2end_http_proxy_destroy(grpc_end2end_http_proxy* proxy) {
                         GRPC_CLOSURE_CREATE(destroy_pollset, proxy->pollset,
                                             grpc_schedule_on_exec_ctx));
   GRPC_COMBINER_UNREF(proxy->combiner, "test");
-  gpr_free(proxy);
+  grpc_core::Delete(proxy);
 }
 
 const char* grpc_end2end_http_proxy_get_proxy_name(
diff --git a/test/core/end2end/fixtures/proxy.cc b/test/core/end2end/fixtures/proxy.cc
index 042c858b4c..869b6e846d 100644
--- a/test/core/end2end/fixtures/proxy.cc
+++ b/test/core/end2end/fixtures/proxy.cc
@@ -30,6 +30,17 @@
 #include "test/core/util/port.h"
 
 struct grpc_end2end_proxy {
+  grpc_end2end_proxy()
+      : proxy_port(nullptr),
+        server_port(nullptr),
+        cq(nullptr),
+        server(nullptr),
+        client(nullptr),
+        shutdown(false),
+        new_call(nullptr) {
+    memset(&new_call_details, 0, sizeof(new_call_details));
+    memset(&new_call_metadata, 0, sizeof(new_call_metadata));
+  }
   grpc_core::Thread thd;
   char* proxy_port;
   char* server_port;
@@ -79,9 +90,7 @@ grpc_end2end_proxy* grpc_end2end_proxy_create(const grpc_end2end_proxy_def* def,
   int proxy_port = grpc_pick_unused_port_or_die();
   int server_port = grpc_pick_unused_port_or_die();
 
-  grpc_end2end_proxy* proxy =
-      static_cast<grpc_end2end_proxy*>(gpr_malloc(sizeof(*proxy)));
-  memset(proxy, 0, sizeof(*proxy));
+  grpc_end2end_proxy* proxy = grpc_core::New<grpc_end2end_proxy>();
 
   gpr_join_host_port(&proxy->proxy_port, "localhost", proxy_port);
   gpr_join_host_port(&proxy->server_port, "localhost", server_port);
@@ -128,7 +137,7 @@ void grpc_end2end_proxy_destroy(grpc_end2end_proxy* proxy) {
   grpc_channel_destroy(proxy->client);
   grpc_completion_queue_destroy(proxy->cq);
   grpc_call_details_destroy(&proxy->new_call_details);
-  gpr_free(proxy);
+  grpc_core::Delete(proxy);
 }
 
 static void unrefpc(proxy_call* pc, const char* reason) {
diff --git a/test/core/end2end/tests/filter_status_code.cc b/test/core/end2end/tests/filter_status_code.cc
index ba3cbfa6d1..5ffc3d00a3 100644
--- a/test/core/end2end/tests/filter_status_code.cc
+++ b/test/core/end2end/tests/filter_status_code.cc
@@ -16,6 +16,14 @@
  *
  */
 
+/* This test verifies -
+ * 1) grpc_call_final_info passed to the filters on destroying a call contains
+ * the proper status.
+ * 2) If the response has both an HTTP status code and a gRPC status code, then
+ * we should prefer the gRPC status code as mentioned in
+ * https://github.com/grpc/grpc/blob/master/doc/http-grpc-status-mapping.md
+ */
+
 #include "test/core/end2end/end2end_tests.h"
 
 #include <limits.h>
@@ -249,6 +257,22 @@ typedef struct final_status_data {
   grpc_call_stack* call;
 } final_status_data;
 
+static void server_start_transport_stream_op_batch(
+    grpc_call_element* elem, grpc_transport_stream_op_batch* op) {
+  auto* data = static_cast<final_status_data*>(elem->call_data);
+  if (data->call == g_server_call_stack) {
+    if (op->send_initial_metadata) {
+      auto* batch = op->payload->send_initial_metadata.send_initial_metadata;
+      if (batch->idx.named.status != nullptr) {
+        /* Replace the HTTP status with 404 */
+        grpc_metadata_batch_substitute(batch, batch->idx.named.status,
+                                       GRPC_MDELEM_STATUS_404);
+      }
+    }
+  }
+  grpc_call_next_op(elem, op);
+}
+
 static grpc_error* init_call_elem(grpc_call_element* elem,
                                   const grpc_call_element_args* args) {
   final_status_data* data = static_cast<final_status_data*>(elem->call_data);
@@ -307,7 +331,7 @@ static const grpc_channel_filter test_client_filter = {
     "client_filter_status_code"};
 
 static const grpc_channel_filter test_server_filter = {
-    grpc_call_next_op,
+    server_start_transport_stream_op_batch,
     grpc_channel_next_op,
     sizeof(final_status_data),
     init_call_elem,
diff --git a/test/core/iomgr/error_test.cc b/test/core/iomgr/error_test.cc
index a1628a1f71..d78a8c2af3 100644
--- a/test/core/iomgr/error_test.cc
+++ b/test/core/iomgr/error_test.cc
@@ -187,16 +187,6 @@ static void test_os_error() {
   GRPC_ERROR_UNREF(error);
 }
 
-static void test_special() {
-  grpc_error* error = GRPC_ERROR_NONE;
-  error = grpc_error_add_child(
-      error, GRPC_ERROR_CREATE_FROM_STATIC_STRING("test child"));
-  intptr_t i;
-  GPR_ASSERT(grpc_error_get_int(error, GRPC_ERROR_INT_GRPC_STATUS, &i));
-  GPR_ASSERT(i == GRPC_STATUS_OK);
-  GRPC_ERROR_UNREF(error);
-}
-
 static void test_overflow() {
   grpc_error* error = GRPC_ERROR_CREATE_FROM_STATIC_STRING("Overflow");
 
@@ -235,7 +225,6 @@ int main(int argc, char** argv) {
   test_os_error();
   test_create_referencing();
   test_create_referencing_many();
-  test_special();
   test_overflow();
   grpc_shutdown();
 
diff --git a/test/core/iomgr/timer_list_test.cc b/test/core/iomgr/timer_list_test.cc
index feedf3f149..fd65d1abf1 100644
--- a/test/core/iomgr/timer_list_test.cc
+++ b/test/core/iomgr/timer_list_test.cc
@@ -248,11 +248,7 @@ int main(int argc, char** argv) {
     grpc_determine_iomgr_platform();
     grpc_iomgr_platform_init();
     gpr_set_log_verbosity(GPR_LOG_SEVERITY_DEBUG);
-#ifndef GPR_WINDOWS
-    /* Skip this test on Windows until we figure out why it fails */
-    /* https://github.com/grpc/grpc/issues/16417 */
     long_running_service_cleanup_test();
-#endif  // GPR_WINDOWS
     add_test();
     destruction_test();
     grpc_iomgr_platform_shutdown();
diff --git a/test/core/security/linux_system_roots_test.cc b/test/core/security/linux_system_roots_test.cc
index fce9c8dcc5..24d446de35 100644
--- a/test/core/security/linux_system_roots_test.cc
+++ b/test/core/security/linux_system_roots_test.cc
@@ -41,10 +41,6 @@
 
 #include "gtest/gtest.h"
 
-#ifndef GRPC_USE_SYSTEM_SSL_ROOTS_ENV_VAR
-#define GRPC_USE_SYSTEM_SSL_ROOTS_ENV_VAR "GRPC_USE_SYSTEM_SSL_ROOTS"
-#endif
-
 namespace grpc {
 namespace {
 
@@ -68,7 +64,6 @@ TEST(CreateRootCertsBundleTest, ReturnsEmpty) {
 }
 
 TEST(CreateRootCertsBundleTest, BundlesCorrectly) {
-  gpr_setenv(GRPC_USE_SYSTEM_SSL_ROOTS_ENV_VAR, "true");
   // Test that CreateRootCertsBundle returns a correct slice.
   grpc_slice roots_bundle = grpc_empty_slice();
   GRPC_LOG_IF_ERROR(
@@ -81,7 +76,6 @@ TEST(CreateRootCertsBundleTest, BundlesCorrectly) {
   char* bundle_str = grpc_slice_to_c_string(roots_bundle);
   EXPECT_STREQ(result_str, bundle_str);
   // Clean up.
-  unsetenv(GRPC_USE_SYSTEM_SSL_ROOTS_ENV_VAR);
   gpr_free(result_str);
   gpr_free(bundle_str);
   grpc_slice_unref(roots_bundle);
diff --git a/test/core/security/security_connector_test.cc b/test/core/security/security_connector_test.cc
index 82d77eef8b..9dd37b975b 100644
--- a/test/core/security/security_connector_test.cc
+++ b/test/core/security/security_connector_test.cc
@@ -415,6 +415,7 @@ static void test_default_ssl_roots(void) {
 
   /* Now setup a permanent failure for the overridden roots and we should get
      an empty slice. */
+  gpr_setenv("GRPC_NOT_USE_SYSTEM_SSL_ROOTS", "true");
   grpc_set_ssl_roots_override_callback(override_roots_permanent_failure);
   roots = grpc_core::TestDefaultSslRootStore::ComputePemRootCertsForTesting();
   GPR_ASSERT(GRPC_SLICE_IS_EMPTY(roots));
diff --git a/test/core/util/port_isolated_runtime_environment.cc b/test/core/util/port_isolated_runtime_environment.cc
index ff8342ff4a..c1ca185a67 100644
--- a/test/core/util/port_isolated_runtime_environment.cc
+++ b/test/core/util/port_isolated_runtime_environment.cc
@@ -16,9 +16,12 @@
  *
  */
 
-/* When running tests on remote machines, the framework takes a round-robin pick
- * of a port within certain range. There is no need to recycle ports.
+/* When individual tests run in an isolated runtime environment (e.g. each test
+ * runs in a separate container) the framework takes a round-robin pick of a
+ * port within certain range. There is no need to recycle ports.
  */
+#include <grpc/support/atm.h>
+#include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <stdlib.h>
 #include "src/core/lib/iomgr/port.h"
@@ -28,22 +31,24 @@
 #include "test/core/util/port.h"
 
 #define MIN_PORT 49152
-#define MAX_PORT 65536
+#define MAX_PORT 65535
 
-int get_random_starting_port() {
+static int get_random_port_offset() {
   srand(gpr_now(GPR_CLOCK_REALTIME).tv_nsec);
-  return rand() % (MAX_PORT - MIN_PORT + 1) + MIN_PORT;
+  double rnd = static_cast<double>(rand()) /
+               (static_cast<double>(RAND_MAX) + 1.0);  // values from [0,1)
+  return static_cast<int>(rnd * (MAX_PORT - MIN_PORT + 1));
 }
 
-static int s_allocated_port = get_random_starting_port();
+static int s_initial_offset = get_random_port_offset();
+static gpr_atm s_pick_counter = 0;
 
 int grpc_pick_unused_port_or_die(void) {
-  int allocated_port = s_allocated_port++;
-  if (s_allocated_port == MAX_PORT) {
-    s_allocated_port = MIN_PORT;
-  }
-
-  return allocated_port;
+  int orig_counter_val =
+      static_cast<int>(gpr_atm_full_fetch_add(&s_pick_counter, 1));
+  GPR_ASSERT(orig_counter_val < (MAX_PORT - MIN_PORT + 1));
+  return MIN_PORT +
+         (s_initial_offset + orig_counter_val) % (MAX_PORT - MIN_PORT + 1);
 }
 
 void grpc_recycle_unused_port(int port) { (void)port; }
diff --git a/test/cpp/qps/BUILD b/test/cpp/qps/BUILD
index b958c75fc7..483b29b1b3 100644
--- a/test/cpp/qps/BUILD
+++ b/test/cpp/qps/BUILD
@@ -15,6 +15,7 @@
 licenses(["notice"])  # Apache v2
 
 load("//bazel:grpc_build_system.bzl", "grpc_cc_test", "grpc_cc_library", "grpc_cc_binary", "grpc_package")
+load("//test/cpp/qps:qps_benchmark_script.bzl", "qps_json_driver_batch", "json_run_localhost_batch")
 
 grpc_package(name = "test/cpp/qps")
 
@@ -22,8 +23,8 @@ grpc_cc_library(
     name = "parse_json",
     srcs = ["parse_json.cc"],
     hdrs = ["parse_json.h"],
-    deps = ["//:grpc++"],
     external_deps = ["protobuf"],
+    deps = ["//:grpc++"],
 )
 
 grpc_cc_library(
@@ -31,16 +32,19 @@ grpc_cc_library(
     srcs = [
         "client_async.cc",
         "client_sync.cc",
+        "qps_server_builder.cc",
         "qps_worker.cc",
         "server_async.cc",
         "server_sync.cc",
-        "qps_server_builder.cc",
     ],
     hdrs = [
         "client.h",
+        "qps_server_builder.h",
         "qps_worker.h",
         "server.h",
-        "qps_server_builder.h",
+    ],
+    external_deps = [
+        "gflags",
     ],
     deps = [
         ":histogram",
@@ -56,11 +60,8 @@ grpc_cc_library(
         "//test/core/end2end:ssl_test_data",
         "//test/core/util:gpr_test_util",
         "//test/core/util:grpc_test_util",
-        "//test/cpp/util:test_util",
         "//test/cpp/util:test_config",
-    ],
-    external_deps = [
-        "gflags",
+        "//test/cpp/util:test_util",
     ],
 )
 
@@ -97,15 +98,15 @@ grpc_cc_library(
     hdrs = [
         "benchmark_config.h",
     ],
+    external_deps = [
+        "gflags",
+    ],
     deps = [
         ":driver_impl",
         ":histogram",
         "//:grpc++",
         "//src/proto/grpc/testing:control_proto",
     ],
-    external_deps = [
-        "gflags",
-    ],
 )
 
 grpc_cc_library(
@@ -117,6 +118,21 @@ grpc_cc_library(
     deps = ["//test/core/util:grpc_test_util"],
 )
 
+grpc_cc_binary(
+    name = "qps_json_driver",
+    srcs = ["qps_json_driver.cc"],
+    external_deps = [
+        "gflags",
+    ],
+    deps = [
+        ":benchmark_config",
+        ":driver_impl",
+        "//:grpc++",
+        "//test/cpp/util:test_config",
+        "//test/cpp/util:test_util",
+    ],
+)
+
 grpc_cc_test(
     name = "inproc_sync_unary_ping_pong_test",
     srcs = ["inproc_sync_unary_ping_pong_test.cc"],
@@ -135,17 +151,9 @@ grpc_cc_library(
     deps = ["//:grpc++"],
 )
 
-grpc_cc_binary(
-    name = "json_run_localhost",
-    srcs = ["json_run_localhost.cc"],
-    deps = [
-        "//:gpr",
-        "//test/core/util:gpr_test_util",
-        "//test/core/util:grpc_test_util",
-        "//test/cpp/util:test_config",
-        "//test/cpp/util:test_util",
-    ],
-)
+qps_json_driver_batch()
+
+json_run_localhost_batch()
 
 grpc_cc_test(
     name = "qps_interarrival_test",
@@ -157,24 +165,10 @@ grpc_cc_test(
     ],
 )
 
-grpc_cc_binary(
-    name = "qps_json_driver",
-    srcs = ["qps_json_driver.cc"],
-    deps = [
-        ":benchmark_config",
-        ":driver_impl",
-        "//:grpc++",
-        "//test/cpp/util:test_config",
-        "//test/cpp/util:test_util",
-    ],
-    external_deps = [
-        "gflags",
-    ],
-)
-
 grpc_cc_test(
     name = "qps_openloop_test",
     srcs = ["qps_openloop_test.cc"],
+    data = ["//third_party/toolchains:RBE_USE_MACHINE_TYPE_LARGE"],
     deps = [
         ":benchmark_config",
         ":driver_impl",
@@ -182,7 +176,6 @@ grpc_cc_test(
         "//test/cpp/util:test_config",
         "//test/cpp/util:test_util",
     ],
-    data = ["//third_party/toolchains:RBE_USE_MACHINE_TYPE_LARGE"],
 )
 
 grpc_cc_test(
diff --git a/test/cpp/qps/gen_build_yaml.py b/test/cpp/qps/gen_build_yaml.py
index 776283c25a..fb2caf5486 100755
--- a/test/cpp/qps/gen_build_yaml.py
+++ b/test/cpp/qps/gen_build_yaml.py
@@ -14,6 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from __future__ import print_function
 import json
 import pipes
 import shutil
@@ -68,62 +69,66 @@ def maybe_exclude_gcov(scenario_json):
     return ['gcov']
   return []
 
-print yaml.dump({
-  'tests': [
-    {
-      'name': 'json_run_localhost',
-      'shortname': 'json_run_localhost:%s' % scenario_json['name'],
-      'args': ['--scenarios_json', _scenario_json_string(scenario_json, False)],
-      'ci_platforms': ['linux'],
-      'platforms': ['linux'],
-      'flaky': False,
-      'language': 'c++',
-      'boringssl': True,
-      'defaults': 'boringssl',
-      'cpu_cost': guess_cpu(scenario_json, False),
-      'exclude_configs': ['tsan', 'asan'] + maybe_exclude_gcov(scenario_json),
-      'timeout_seconds': 2*60,
-      'excluded_poll_engines': scenario_json.get('EXCLUDED_POLL_ENGINES', []),
-      'auto_timeout_scaling': False
-    }
-    for scenario_json in scenario_config.CXXLanguage().scenarios()
-    if 'scalable' in scenario_json.get('CATEGORIES', [])
-  ] + [
-    {
-      'name': 'qps_json_driver',
-      'shortname': 'qps_json_driver:inproc_%s' % scenario_json['name'],
-      'args': ['--run_inproc', '--scenarios_json', _scenario_json_string(scenario_json, False)],
-      'ci_platforms': ['linux'],
-      'platforms': ['linux'],
-      'flaky': False,
-      'language': 'c++',
-      'boringssl': True,
-      'defaults': 'boringssl',
-      'cpu_cost': guess_cpu(scenario_json, False),
-      'exclude_configs': ['tsan', 'asan'],
-      'timeout_seconds': 6*60,
-      'excluded_poll_engines': scenario_json.get('EXCLUDED_POLL_ENGINES', [])
-    }
-    for scenario_json in scenario_config.CXXLanguage().scenarios()
-    if 'inproc' in scenario_json.get('CATEGORIES', [])
-  ] + [
-    {
-      'name': 'json_run_localhost',
-      'shortname': 'json_run_localhost:%s_low_thread_count' % scenario_json['name'],
-      'args': ['--scenarios_json', _scenario_json_string(scenario_json, True)],
-      'ci_platforms': ['linux'],
-      'platforms': ['linux'],
-      'flaky': False,
-      'language': 'c++',
-      'boringssl': True,
-      'defaults': 'boringssl',
-      'cpu_cost': guess_cpu(scenario_json, True),
-      'exclude_configs': sorted(c for c in configs_from_yaml if c not in ('tsan', 'asan')),
-      'timeout_seconds': 10*60,
-      'excluded_poll_engines': scenario_json.get('EXCLUDED_POLL_ENGINES', []),
-      'auto_timeout_scaling': False
-   }
-    for scenario_json in scenario_config.CXXLanguage().scenarios()
-    if 'scalable' in scenario_json.get('CATEGORIES', [])
-  ]
-})
+def generate_yaml():
+  return {
+    'tests': [
+      {
+        'name': 'json_run_localhost',
+        'shortname': 'json_run_localhost:%s' % scenario_json['name'],
+        'args': ['--scenarios_json', _scenario_json_string(scenario_json, False)],
+        'ci_platforms': ['linux'],
+        'platforms': ['linux'],
+        'flaky': False,
+        'language': 'c++',
+        'boringssl': True,
+        'defaults': 'boringssl',
+        'cpu_cost': guess_cpu(scenario_json, False),
+        'exclude_configs': ['tsan', 'asan'] + maybe_exclude_gcov(scenario_json),
+        'timeout_seconds': 2*60,
+        'excluded_poll_engines': scenario_json.get('EXCLUDED_POLL_ENGINES', []),
+        'auto_timeout_scaling': False
+      }
+      for scenario_json in scenario_config.CXXLanguage().scenarios()
+      if 'scalable' in scenario_json.get('CATEGORIES', [])
+    ] + [
+      {
+        'name': 'qps_json_driver',
+        'shortname': 'qps_json_driver:inproc_%s' % scenario_json['name'],
+        'args': ['--run_inproc', '--scenarios_json', _scenario_json_string(scenario_json, False)],
+        'ci_platforms': ['linux'],
+        'platforms': ['linux'],
+        'flaky': False,
+        'language': 'c++',
+        'boringssl': True,
+        'defaults': 'boringssl',
+        'cpu_cost': guess_cpu(scenario_json, False),
+        'exclude_configs': ['tsan', 'asan'],
+        'timeout_seconds': 6*60,
+        'excluded_poll_engines': scenario_json.get('EXCLUDED_POLL_ENGINES', [])
+      }
+      for scenario_json in scenario_config.CXXLanguage().scenarios()
+      if 'inproc' in scenario_json.get('CATEGORIES', [])
+    ] + [
+      {
+        'name': 'json_run_localhost',
+        'shortname': 'json_run_localhost:%s_low_thread_count' % scenario_json['name'],
+        'args': ['--scenarios_json', _scenario_json_string(scenario_json, True)],
+        'ci_platforms': ['linux'],
+        'platforms': ['linux'],
+        'flaky': False,
+        'language': 'c++',
+        'boringssl': True,
+        'defaults': 'boringssl',
+        'cpu_cost': guess_cpu(scenario_json, True),
+        'exclude_configs': sorted(c for c in configs_from_yaml if c not in ('tsan', 'asan')),
+        'timeout_seconds': 10*60,
+        'excluded_poll_engines': scenario_json.get('EXCLUDED_POLL_ENGINES', []),
+        'auto_timeout_scaling': False
+     }
+      for scenario_json in scenario_config.CXXLanguage().scenarios()
+      if 'scalable' in scenario_json.get('CATEGORIES', [])
+    ]
+  }
+
+
+print(yaml.dump(generate_yaml()))
\ No newline at end of file
diff --git a/test/cpp/qps/json_run_localhost_scenario_gen.py b/test/cpp/qps/json_run_localhost_scenario_gen.py
new file mode 100755
index 0000000000..ab14f0e4a5
--- /dev/null
+++ b/test/cpp/qps/json_run_localhost_scenario_gen.py
@@ -0,0 +1,39 @@
+#!/usr/bin/env python2.7
+
+# Copyright 2018 gRPC authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import gen_build_yaml as gen
+import json
+
+def generate_args():
+    all_scenario_set = gen.generate_yaml()
+    all_scenario_set = all_scenario_set['tests']
+    json_run_localhost_scenarios = \
+        [item for item in all_scenario_set if item['name'] == 'json_run_localhost']
+    json_run_localhost_arg_set = \
+        [item['args'][1] for item in json_run_localhost_scenarios \
+        if 'args' in item and len(item['args']) > 1]
+    deserialized_scenarios = [json.loads(item)['scenarios'][0] \
+                              for item in json_run_localhost_arg_set]
+    all_scenarios = {scenario['name'].encode('ascii', 'ignore'): \
+                    '\'{\'scenarios\' : [' + json.dumps(scenario) + ']}\'' \
+                    for scenario in deserialized_scenarios}
+
+    serialized_scenarios_str = str(all_scenarios).encode('ascii', 'ignore')
+    with open('json_run_localhost_scenarios.bzl', 'wb') as f:
+        f.write('"""Scenarios run on localhost."""\n\n')
+        f.write('JSON_RUN_LOCALHOST_SCENARIOS = ' + serialized_scenarios_str + '\n')
+
+generate_args()
diff --git a/test/cpp/qps/json_run_localhost_scenarios.bzl b/test/cpp/qps/json_run_localhost_scenarios.bzl
new file mode 100644
index 0000000000..5bfb0bca76
--- /dev/null
+++ b/test/cpp/qps/json_run_localhost_scenarios.bzl
@@ -0,0 +1,3 @@
+"""Scenarios run on localhost."""
+
+JSON_RUN_LOCALHOST_SCENARIOS = {'cpp_protobuf_async_unary_75Kqps_600channel_60Krpcs_300Breq_50Bresp': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_unary_75Kqps_600channel_60Krpcs_300Breq_50Bresp", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 16, "threads_per_cq": 1, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "UNARY", "load_params": {"poisson": {"offered_load": 37500}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 50, "req_size": 300}}, "client_channels": 300, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_sync_streaming_from_client_qps_unconstrained_secure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_streaming_from_client_qps_unconstrained_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING_FROM_CLIENT", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_protobuf_async_unary_qps_unconstrained_1cq_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_unary_qps_unconstrained_1cq_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 1000000, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 13, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 1000000}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_from_client_ping_pong_secure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_from_client_ping_pong_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "ASYNC_SERVER", "async_server_threads": 1, "threads_per_cq": 0, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING_FROM_CLIENT", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_generic_async_streaming_qps_1channel_1MBmsg_secure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_1channel_1MBmsg_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 0, "security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "payload_config": {"bytebuf_params": {"resp_size": 1048576, "req_size": 1048576}}, "threads_per_cq": 0}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"bytebuf_params": {"resp_size": 1048576, "req_size": 1048576}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_from_server_ping_pong_secure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_from_server_ping_pong_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "ASYNC_SERVER", "async_server_threads": 1, "threads_per_cq": 0, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING_FROM_SERVER", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_protobuf_async_streaming_qps_unconstrained_1mps_secure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_qps_unconstrained_1mps_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "messages_per_stream": 1, "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_generic_async_streaming_qps_unconstrained_64KBmsg_secure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_unconstrained_64KBmsg_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 0, "security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "payload_config": {"bytebuf_params": {"resp_size": 65536, "req_size": 65536}}, "threads_per_cq": 0}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"bytebuf_params": {"resp_size": 65536, "req_size": 65536}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_sync_streaming_ping_pong_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_streaming_ping_pong_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "SYNC_SERVER", "async_server_threads": 1, "threads_per_cq": 0, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_generic_async_streaming_qps_unconstrained_1mps_secure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_unconstrained_1mps_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 0, "security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "threads_per_cq": 0}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "messages_per_stream": 1, "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_qps_unconstrained_1cq_secure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_qps_unconstrained_1cq_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 1000000, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 13, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 1000000}, "num_clients": 0}]}\'', 'cpp_generic_async_streaming_qps_unconstrained_10mps_secure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_unconstrained_10mps_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 0, "security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "threads_per_cq": 0}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "messages_per_stream": 10, "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_async_unary_ping_pong_insecure_1MB': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_unary_ping_pong_insecure_1MB", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 1048576, "req_size": 1048576}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_generic_async_streaming_qps_one_server_core_secure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_one_server_core_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 1, "security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "threads_per_cq": 0}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 13, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_sync_streaming_qps_unconstrained_10mps_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_streaming_qps_unconstrained_10mps_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "messages_per_stream": 10, "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_async_unary_qps_unconstrained_2waysharedcq_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_unary_qps_unconstrained_2waysharedcq_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 2, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 2}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_from_server_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_from_server_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING_FROM_SERVER", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_generic_async_streaming_qps_unconstrained_2waysharedcq_secure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_unconstrained_2waysharedcq_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 0, "security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "threads_per_cq": 2}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 2}, "num_clients": 0}]}\'', 'cpp_generic_async_streaming_ping_pong_secure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_ping_pong_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 1, "security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}], "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "threads_per_cq": 0}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_protobuf_sync_streaming_from_server_qps_unconstrained_secure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_streaming_from_server_qps_unconstrained_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING_FROM_SERVER", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_protobuf_sync_streaming_qps_unconstrained_10mps_secure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_streaming_qps_unconstrained_10mps_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "messages_per_stream": 10, "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_sync_unary_qps_unconstrained_secure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_unary_qps_unconstrained_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 1, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_protobuf_sync_streaming_from_client_ping_pong_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_streaming_from_client_ping_pong_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "SYNC_SERVER", "async_server_threads": 1, "threads_per_cq": 0, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING_FROM_CLIENT", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_protobuf_sync_streaming_from_client_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_streaming_from_client_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING_FROM_CLIENT", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_protobuf_sync_streaming_from_client_ping_pong_secure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_streaming_from_client_ping_pong_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "SYNC_SERVER", "async_server_threads": 1, "threads_per_cq": 0, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING_FROM_CLIENT", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_protobuf_async_streaming_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_qps_unconstrained_2waysharedcq_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_qps_unconstrained_2waysharedcq_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 2, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 2}, "num_clients": 0}]}\'', 'cpp_generic_async_streaming_qps_unconstrained_1cq_insecure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_unconstrained_1cq_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 0, "security_params": null, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "threads_per_cq": 1000000}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 13, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 1000000}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_qps_unconstrained_10mps_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_qps_unconstrained_10mps_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "messages_per_stream": 10, "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_generic_async_streaming_qps_unconstrained_64KBmsg_insecure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_unconstrained_64KBmsg_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 0, "security_params": null, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "payload_config": {"bytebuf_params": {"resp_size": 65536, "req_size": 65536}}, "threads_per_cq": 0}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"bytebuf_params": {"resp_size": 65536, "req_size": 65536}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_sync_streaming_qps_unconstrained_secure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_streaming_qps_unconstrained_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_from_server_qps_unconstrained_secure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_from_server_qps_unconstrained_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING_FROM_SERVER", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_generic_async_streaming_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 0, "security_params": null, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "threads_per_cq": 0}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_async_client_unary_1channel_64wide_128Breq_8MBresp_secure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_client_unary_1channel_64wide_128Breq_8MBresp_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 8388608, "req_size": 128}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_protobuf_async_streaming_ping_pong_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_ping_pong_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 1, "threads_per_cq": 0, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_protobuf_sync_streaming_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_streaming_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_from_client_ping_pong_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_from_client_ping_pong_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 1, "threads_per_cq": 0, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING_FROM_CLIENT", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_protobuf_async_streaming_from_client_1channel_1MB': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_from_client_1channel_1MB", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING_FROM_CLIENT", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 1048576, "req_size": 1048576}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_protobuf_async_unary_1channel_100rpcs_1MB': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_unary_1channel_100rpcs_1MB", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 1048576, "req_size": 1048576}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_generic_async_streaming_qps_unconstrained_secure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_unconstrained_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 0, "security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "threads_per_cq": 0}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_generic_async_streaming_qps_1channel_1MBmsg_insecure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_1channel_1MBmsg_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 0, "security_params": null, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "payload_config": {"bytebuf_params": {"resp_size": 1048576, "req_size": 1048576}}, "threads_per_cq": 0}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"bytebuf_params": {"resp_size": 1048576, "req_size": 1048576}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_generic_async_streaming_qps_unconstrained_1mps_insecure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_unconstrained_1mps_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 0, "security_params": null, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "threads_per_cq": 0}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "messages_per_stream": 1, "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_qps_unconstrained_2waysharedcq_secure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_qps_unconstrained_2waysharedcq_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 2, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 2}, "num_clients": 0}]}\'', 'cpp_protobuf_sync_streaming_ping_pong_secure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_streaming_ping_pong_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "SYNC_SERVER", "async_server_threads": 1, "threads_per_cq": 0, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_protobuf_sync_streaming_from_server_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_streaming_from_server_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING_FROM_SERVER", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_protobuf_async_client_sync_server_unary_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_client_sync_server_unary_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 10, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_async_unary_ping_pong_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_unary_ping_pong_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 1, "threads_per_cq": 0, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_protobuf_async_client_unary_1channel_64wide_128Breq_8MBresp_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_client_unary_1channel_64wide_128Breq_8MBresp_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 8388608, "req_size": 128}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_generic_async_streaming_ping_pong_insecure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_ping_pong_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 1, "security_params": null, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}], "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "threads_per_cq": 0}, "client_config": {"security_params": null, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_protobuf_sync_streaming_from_server_ping_pong_secure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_streaming_from_server_ping_pong_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "SYNC_SERVER", "async_server_threads": 1, "threads_per_cq": 0, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING_FROM_SERVER", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_protobuf_async_unary_qps_unconstrained_1cq_secure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_unary_qps_unconstrained_1cq_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 1000000, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 13, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 1000000}, "num_clients": 0}]}\'', 'cpp_protobuf_sync_unary_ping_pong_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_unary_ping_pong_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "SYNC_SERVER", "async_server_threads": 1, "threads_per_cq": 0, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_protobuf_async_client_sync_server_streaming_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_client_sync_server_streaming_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 10, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_generic_async_streaming_qps_one_server_core_insecure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_one_server_core_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 1, "security_params": null, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "threads_per_cq": 0}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 13, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_async_client_sync_server_streaming_qps_unconstrained_secure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_client_sync_server_streaming_qps_unconstrained_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 10, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_from_server_ping_pong_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_from_server_ping_pong_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 1, "threads_per_cq": 0, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING_FROM_SERVER", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_generic_async_streaming_qps_unconstrained_2waysharedcq_insecure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_unconstrained_2waysharedcq_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 0, "security_params": null, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "threads_per_cq": 2}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 2}, "num_clients": 0}]}\'', 'cpp_protobuf_sync_streaming_qps_unconstrained_1mps_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_streaming_qps_unconstrained_1mps_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "messages_per_stream": 1, "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_sync_unary_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_unary_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 1, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_protobuf_async_unary_ping_pong_secure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_unary_ping_pong_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "ASYNC_SERVER", "async_server_threads": 1, "threads_per_cq": 0, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_protobuf_async_unary_qps_unconstrained_2waysharedcq_secure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_unary_qps_unconstrained_2waysharedcq_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 2, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 2}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_from_client_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_from_client_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING_FROM_CLIENT", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_protobuf_sync_unary_ping_pong_secure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_unary_ping_pong_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "SYNC_SERVER", "async_server_threads": 1, "threads_per_cq": 0, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_protobuf_async_unary_qps_unconstrained_secure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_unary_qps_unconstrained_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_protobuf_sync_streaming_from_server_ping_pong_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_streaming_from_server_ping_pong_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "SYNC_SERVER", "async_server_threads": 1, "threads_per_cq": 0, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING_FROM_SERVER", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_protobuf_async_client_sync_server_unary_qps_unconstrained_secure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_client_sync_server_unary_qps_unconstrained_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 10, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_qps_unconstrained_secure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_qps_unconstrained_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_protobuf_async_unary_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_unary_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_generic_async_streaming_qps_unconstrained_1cq_secure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_unconstrained_1cq_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 0, "security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "threads_per_cq": 1000000}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 13, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 1000000}, "num_clients": 0}]}\'', 'cpp_generic_async_streaming_qps_unconstrained_10mps_insecure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_unconstrained_10mps_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 0, "security_params": null, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "threads_per_cq": 0}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "messages_per_stream": 10, "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_qps_unconstrained_10mps_secure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_qps_unconstrained_10mps_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "messages_per_stream": 10, "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_ping_pong_secure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_ping_pong_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "ASYNC_SERVER", "async_server_threads": 1, "threads_per_cq": 0, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_protobuf_async_streaming_from_client_qps_unconstrained_secure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_from_client_qps_unconstrained_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING_FROM_CLIENT", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_qps_unconstrained_1cq_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_qps_unconstrained_1cq_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 1000000, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 13, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 1000000}, "num_clients": 0}]}\'', 'cpp_protobuf_sync_streaming_qps_unconstrained_1mps_secure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_streaming_qps_unconstrained_1mps_secure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "messages_per_stream": 1, "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_qps_unconstrained_1mps_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_qps_unconstrained_1mps_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "messages_per_stream": 1, "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_async_unary_ping_pong_secure_1MB': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_unary_ping_pong_secure_1MB", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": {"use_test_ca": true, "server_host_override": "foo.test.google.fr"}, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 1048576, "req_size": 1048576}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\''}
diff --git a/test/cpp/qps/qps_benchmark_script.bzl b/test/cpp/qps/qps_benchmark_script.bzl
new file mode 100644
index 0000000000..b2b67d988c
--- /dev/null
+++ b/test/cpp/qps/qps_benchmark_script.bzl
@@ -0,0 +1,80 @@
+# Copyright 2018 gRPC authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+#
+# This is for the gRPC build system. This isn't intended to be used outsite of
+# the BUILD file for gRPC. It contains the mapping for the template system we
+# use to generate other platform's build system files.
+#
+# Please consider that there should be a high bar for additions and changes to
+# this file.
+# Each rule listed must be re-written for Google's internal build system, and
+# each change must be ported from one to the other.
+#
+
+"""Script to run qps benchmark."""
+
+load("//bazel:grpc_build_system.bzl", "grpc_cc_test")
+load("//test/cpp/qps:qps_json_driver_scenarios.bzl", "QPS_JSON_DRIVER_SCENARIOS")
+load("//test/cpp/qps:json_run_localhost_scenarios.bzl", "JSON_RUN_LOCALHOST_SCENARIOS")
+
+def qps_json_driver_batch():
+    for scenario in QPS_JSON_DRIVER_SCENARIOS:
+        grpc_cc_test(
+            name = "qps_json_driver_test_%s" % scenario,
+            srcs = ["qps_json_driver.cc"],
+            args = [
+                "--run_inproc",
+                "--scenarios_json",
+                QPS_JSON_DRIVER_SCENARIOS[scenario],
+            ],
+            external_deps = [
+                "gflags",
+            ],
+            deps = [
+                ":benchmark_config",
+                ":driver_impl",
+                "//:grpc++",
+                "//test/cpp/util:test_config",
+                "//test/cpp/util:test_util",
+            ],
+            tags = [
+                "qps_json_driver",
+            ],
+        )
+
+def json_run_localhost_batch():
+    for scenario in JSON_RUN_LOCALHOST_SCENARIOS:
+        grpc_cc_test(
+            name = "json_run_localhost_%s" % scenario,
+            srcs = ["json_run_localhost.cc"],
+            args = [
+                "--scenarios_json",
+                JSON_RUN_LOCALHOST_SCENARIOS[scenario],
+            ],
+            data = [
+                "//test/cpp/qps:qps_json_driver",
+                "//test/cpp/qps:qps_worker",
+            ],
+            deps = [
+                "//:gpr",
+                "//test/core/util:gpr_test_util",
+                "//test/core/util:grpc_test_util",
+                "//test/cpp/util:test_config",
+                "//test/cpp/util:test_util",
+            ],
+            tags = [
+                "json_run_localhost",
+            ],
+        )
diff --git a/test/cpp/qps/qps_json_driver_scenario_gen.py b/test/cpp/qps/qps_json_driver_scenario_gen.py
new file mode 100755
index 0000000000..2b66c69d8a
--- /dev/null
+++ b/test/cpp/qps/qps_json_driver_scenario_gen.py
@@ -0,0 +1,39 @@
+#!/usr/bin/env python2.7
+
+# Copyright 2018 gRPC authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import gen_build_yaml as gen
+import json
+
+def generate_args():
+    all_scenario_set = gen.generate_yaml()
+    all_scenario_set = all_scenario_set['tests']
+    qps_json_driver_scenario_set = \
+        [item for item in all_scenario_set if item['name'] == 'qps_json_driver']
+    qps_json_driver_arg_set = \
+        [item['args'][2] for item in qps_json_driver_scenario_set \
+        if 'args' in item and len(item['args']) > 2]
+    deserialized_scenarios = [json.loads(item)['scenarios'][0] \
+                            for item in qps_json_driver_arg_set]
+    all_scenarios = {scenario['name'].encode('ascii', 'ignore'): \
+                   '\'{\'scenarios\' : [' + json.dumps(scenario) + ']}\'' \
+                   for scenario in deserialized_scenarios}
+
+    serialized_scenarios_str = str(all_scenarios).encode('ascii', 'ignore')
+    with open('qps_json_driver_scenarios.bzl', 'w') as f:
+        f.write('"""Scenarios of qps driver."""\n\n')
+        f.write('QPS_JSON_DRIVER_SCENARIOS = ' + serialized_scenarios_str + '\n')
+
+generate_args()
diff --git a/test/cpp/qps/qps_json_driver_scenarios.bzl b/test/cpp/qps/qps_json_driver_scenarios.bzl
new file mode 100644
index 0000000000..95b4911325
--- /dev/null
+++ b/test/cpp/qps/qps_json_driver_scenarios.bzl
@@ -0,0 +1,3 @@
+"""Scenarios of qps driver."""
+
+QPS_JSON_DRIVER_SCENARIOS = {'cpp_protobuf_sync_streaming_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_streaming_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 16, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_protobuf_sync_streaming_qps_unconstrained_1mps_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_streaming_qps_unconstrained_1mps_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 16, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "messages_per_stream": 1, "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_async_unary_ping_pong_insecure_1MB': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_unary_ping_pong_insecure_1MB", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 1048576, "req_size": 1048576}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_protobuf_sync_streaming_qps_unconstrained_10mps_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_streaming_qps_unconstrained_10mps_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 16, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "messages_per_stream": 10, "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_async_unary_qps_unconstrained_2waysharedcq_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_unary_qps_unconstrained_2waysharedcq_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 2, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 2}, "num_clients": 0}]}\'', 'cpp_protobuf_async_unary_qps_unconstrained_1cq_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_unary_qps_unconstrained_1cq_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 1000000, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 13, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 1000000}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_qps_unconstrained_2waysharedcq_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_qps_unconstrained_2waysharedcq_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 2, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 2}, "num_clients": 0}]}\'', 'cpp_generic_async_streaming_qps_unconstrained_1cq_insecure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_unconstrained_1cq_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 0, "security_params": null, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "threads_per_cq": 1000000}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 13, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 1000000}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_qps_unconstrained_10mps_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_qps_unconstrained_10mps_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "messages_per_stream": 10, "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_generic_async_streaming_qps_unconstrained_64KBmsg_insecure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_unconstrained_64KBmsg_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 0, "security_params": null, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "payload_config": {"bytebuf_params": {"resp_size": 65536, "req_size": 65536}}, "threads_per_cq": 0}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"bytebuf_params": {"resp_size": 65536, "req_size": 65536}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_generic_async_streaming_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 0, "security_params": null, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "threads_per_cq": 0}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_qps_unconstrained_1cq_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_qps_unconstrained_1cq_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 1000000, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 13, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 1000000}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_from_server_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_from_server_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING_FROM_SERVER", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_from_client_1channel_1MB': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_from_client_1channel_1MB", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING_FROM_CLIENT", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 1048576, "req_size": 1048576}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_protobuf_async_unary_1channel_100rpcs_1MB': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_unary_1channel_100rpcs_1MB", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 1048576, "req_size": 1048576}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_generic_async_streaming_qps_1channel_1MBmsg_insecure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_1channel_1MBmsg_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 0, "security_params": null, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "payload_config": {"bytebuf_params": {"resp_size": 1048576, "req_size": 1048576}}, "threads_per_cq": 0}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"bytebuf_params": {"resp_size": 1048576, "req_size": 1048576}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_generic_async_streaming_qps_unconstrained_1mps_insecure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_unconstrained_1mps_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 0, "security_params": null, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "threads_per_cq": 0}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "messages_per_stream": 1, "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_async_client_sync_server_unary_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_client_sync_server_unary_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_async_client_unary_1channel_64wide_128Breq_8MBresp_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_client_unary_1channel_64wide_128Breq_8MBresp_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "latency", "name": 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