Merge branch 'master' into externC

13 files changed, 279 insertions, 147 deletions

diff --git a/.gitmodules b/.gitmodules
index 144fd080ac..8af0052128 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -24,3 +24,6 @@
 	path = third_party/cares/cares
 	url = https://github.com/c-ares/c-ares.git
 	branch = cares-1_12_0
+[submodule "third_party/bloaty"]
+	path = third_party/bloaty
+	url = https://github.com/google/bloaty.git
diff --git a/src/core/ext/transport/chttp2/transport/chttp2_transport.cc b/src/core/ext/transport/chttp2/transport/chttp2_transport.cc
index 383da42bb4..65167c03bb 100644
--- a/src/core/ext/transport/chttp2/transport/chttp2_transport.cc
+++ b/src/core/ext/transport/chttp2/transport/chttp2_transport.cc
@@ -1898,7 +1898,9 @@ void grpc_chttp2_maybe_complete_recv_message(grpc_exec_ctx *exec_ctx,
                                  &s->frame_storage);
           s->unprocessed_incoming_frames_decompressed = false;
         }
-        if (!s->unprocessed_incoming_frames_decompressed) {
+        if (!s->unprocessed_incoming_frames_decompressed &&
+            s->stream_decompression_method !=
+                GRPC_STREAM_COMPRESSION_IDENTITY_DECOMPRESS) {
           GPR_ASSERT(s->decompressed_data_buffer.length == 0);
           bool end_of_context;
           if (!s->stream_decompression_ctx) {
diff --git a/src/csharp/Grpc.Core/Internal/AsyncCall.cs b/src/csharp/Grpc.Core/Internal/AsyncCall.cs
index 17109de587..09fb722c81 100644
--- a/src/csharp/Grpc.Core/Internal/AsyncCall.cs
+++ b/src/csharp/Grpc.Core/Internal/AsyncCall.cs
@@ -34,6 +34,9 @@ namespace Grpc.Core.Internal
         readonly CallInvocationDetails<TRequest, TResponse> details;
         readonly INativeCall injectedNativeCall;  // for testing
 
+        // Dispose of to de-register cancellation token registration
+        IDisposable cancellationTokenRegistration;
+
         // Completion of a pending unary response if not null.
         TaskCompletionSource<TResponse> unaryResponseTcs;
 
@@ -320,6 +323,7 @@ namespace Grpc.Core.Internal
         protected override void OnAfterReleaseResources()
         {
             details.Channel.RemoveCallReference(this);
+            cancellationTokenRegistration?.Dispose();
         }
 
         protected override bool IsClient
@@ -405,7 +409,7 @@ namespace Grpc.Core.Internal
             var token = details.Options.CancellationToken;
             if (token.CanBeCanceled)
             {
-                token.Register(() => this.Cancel());
+                cancellationTokenRegistration = token.Register(() => this.Cancel());
             }
         }
 
diff --git a/src/ruby/ext/grpc/rb_call.c b/src/ruby/ext/grpc/rb_call.c
index 5550bb7d5f..29c4a94816 100644
--- a/src/ruby/ext/grpc/rb_call.c
+++ b/src/ruby/ext/grpc/rb_call.c
@@ -101,6 +101,7 @@ static void grpc_rb_call_destroy(void *p) {
     return;
   }
   destroy_call((grpc_rb_call *)p);
+  xfree(p);
 }
 
 static size_t md_ary_datasize(const void *p) {
diff --git a/test/cpp/qps/gen_build_yaml.py b/test/cpp/qps/gen_build_yaml.py
index a3ccbcf576..8575fe5a05 100755
--- a/test/cpp/qps/gen_build_yaml.py
+++ b/test/cpp/qps/gen_build_yaml.py
@@ -77,7 +77,7 @@ print yaml.dump({
       'defaults': 'boringssl',
       'cpu_cost': guess_cpu(scenario_json, False),
       'exclude_configs': ['tsan', 'asan'],
-      'timeout_seconds': 6*60,
+      'timeout_seconds': 2*60,
       'excluded_poll_engines': scenario_json.get('EXCLUDED_POLL_ENGINES', [])
     }
     for scenario_json in scenario_config.CXXLanguage().scenarios()
@@ -95,7 +95,7 @@ print yaml.dump({
       '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': 6*60,
+      'timeout_seconds': 2*60,
       'excluded_poll_engines': scenario_json.get('EXCLUDED_POLL_ENGINES', [])
    }
     for scenario_json in scenario_config.CXXLanguage().scenarios()
diff --git a/third_party/bloaty b/third_party/bloaty
new file mode 160000
+Subproject 73594cde8c9a52a102c4341c244c833aa61b9c0
diff --git a/tools/internal_ci/helper_scripts/prepare_build_macos_rc b/tools/internal_ci/helper_scripts/prepare_build_macos_rc
index 5a5898f94c..dd98a12c65 100644
--- a/tools/internal_ci/helper_scripts/prepare_build_macos_rc
+++ b/tools/internal_ci/helper_scripts/prepare_build_macos_rc
@@ -27,6 +27,14 @@ ulimit -n 10000
 # show current limits
 ulimit -a
 
+# synchronize the clock
+date
+sudo systemsetup -setusingnetworktime off
+sudo systemsetup -setnetworktimeserver "$( ipconfig getoption en0 server_identifier )"
+sudo systemsetup -settimezone America/Los_Angeles
+sudo systemsetup -setusingnetworktime on
+date
+
 # Add GCP credentials for BQ access
 pip install google-api-python-client --user python
 export GOOGLE_APPLICATION_CREDENTIALS=${KOKORO_GFILE_DIR}/GrpcTesting-d0eeee2db331.json
diff --git a/tools/internal_ci/linux/grpc_microbenchmark_diff.sh b/tools/internal_ci/linux/grpc_microbenchmark_diff.sh
index 58ffcf336b..45add1b02d 100755
--- a/tools/internal_ci/linux/grpc_microbenchmark_diff.sh
+++ b/tools/internal_ci/linux/grpc_microbenchmark_diff.sh
@@ -25,6 +25,8 @@ cd $(dirname $0)/../../..
 source tools/internal_ci/helper_scripts/prepare_build_linux_perf_rc
 
 tools/run_tests/start_port_server.py
+tools/jenkins/run_c_cpp_test.sh tools/profiling/bloat/bloat_diff.py \
+  -d origin/$ghprbTargetBranch || FAILED="true"
 tools/jenkins/run_c_cpp_test.sh tools/profiling/microbenchmarks/bm_diff/bm_main.py \
   -d origin/$ghprbTargetBranch \
   -b $BENCHMARKS_TO_RUN || FAILED="true"
diff --git a/tools/profiling/bloat/bloat_diff.py b/tools/profiling/bloat/bloat_diff.py
new file mode 100755
index 0000000000..9b40685e90
--- /dev/null
+++ b/tools/profiling/bloat/bloat_diff.py
@@ -0,0 +1,99 @@
+#!/usr/bin/env python2.7
+#
+# Copyright 2017 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 argparse
+import glob
+import multiprocessing
+import os
+import shutil
+import subprocess
+import sys
+
+sys.path.append(
+  os.path.join(
+    os.path.dirname(sys.argv[0]), '..', '..', 'run_tests', 'python_utils'))
+import comment_on_pr
+
+argp = argparse.ArgumentParser(
+    description='Perform diff on microbenchmarks')
+
+argp.add_argument(
+    '-d',
+    '--diff_base',
+    type=str,
+    help='Commit or branch to compare the current one to')
+
+argp.add_argument(
+    '-j',
+    '--jobs',
+    type=int,
+    default=multiprocessing.cpu_count())
+
+args = argp.parse_args()
+
+LIBS = [
+  'libgrpc.so',
+  'libgrpc++.so',
+]
+
+def build(where):
+  subprocess.check_call('make -j%d' % args.jobs,
+                        shell=True, cwd='.')
+  shutil.rmtree('bloat_diff_%s' % where, ignore_errors=True)
+  os.rename('libs', 'bloat_diff_%s' % where)
+
+build('new')
+
+if args.diff_base:
+    old = 'old'
+    where_am_i = subprocess.check_output(
+      ['git', 'rev-parse', '--abbrev-ref', 'HEAD']).strip()
+    subprocess.check_call(['git', 'checkout', args.diff_base])
+    subprocess.check_call(['git', 'submodule', 'update'])
+    try:
+      try:
+        build('old')
+      except subprocess.CalledProcessError, e:
+        subprocess.check_call(['make', 'clean'])
+        build('old')
+    finally:
+      subprocess.check_call(['git', 'checkout', where_am_i])
+      subprocess.check_call(['git', 'submodule', 'update'])
+
+subprocess.check_call('make -j%d' % args.jobs,
+                      shell=True, cwd='third_party/bloaty')
+
+text = ''
+for lib in LIBS:
+  text += '****************************************************************\n\n'
+  text += lib + '\n\n'
+  old_version = glob.glob('bloat_diff_old/opt/%s' % lib)
+  new_version = glob.glob('bloat_diff_new/opt/%s' % lib)
+  assert len(new_version) == 1
+  cmd = 'third_party/bloaty/bloaty -d compileunits,symbols'
+  if old_version:
+    assert len(old_version) == 1
+    text += subprocess.check_output('%s %s -- %s' %
+                                    (cmd, new_version[0], old_version[0]),
+                                    shell=True)
+  else:
+    text += subprocess.check_output('%s %s' %
+                                    (cmd, new_version[0]),
+                                    shell=True)
+  text += '\n\n'
+
+print text
+comment_on_pr.comment_on_pr('```\n%s\n```' % text)
diff --git a/tools/run_tests/generated/tests.json b/tools/run_tests/generated/tests.json
index 72dfbc0b98..1fefb52f07 100644
--- a/tools/run_tests/generated/tests.json
+++ b/tools/run_tests/generated/tests.json
@@ -49542,7 +49542,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_unary_1channel_100rpcs_1MB", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -49567,7 +49567,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_from_client_1channel_1MB", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -49592,7 +49592,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_ping_pong_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -49617,7 +49617,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_unconstrained_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -49642,7 +49642,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_unconstrained_1mps_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -49667,7 +49667,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_unconstrained_10mps_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -49692,7 +49692,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_1channel_1MBmsg_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -49717,7 +49717,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_unconstrained_64KBmsg_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -49742,7 +49742,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_unconstrained_2waysharedcq_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -49767,7 +49767,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_qps_unconstrained_2waysharedcq_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -49792,7 +49792,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_unary_qps_unconstrained_2waysharedcq_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -49817,7 +49817,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_one_server_core_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -49844,7 +49844,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_client_sync_server_unary_qps_unconstrained_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -49869,7 +49869,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_client_unary_1channel_64wide_128Breq_8MBresp_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -49896,7 +49896,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_client_sync_server_streaming_qps_unconstrained_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -49921,7 +49921,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_unary_ping_pong_secure_1MB", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -49946,7 +49946,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_unary_ping_pong_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -49971,7 +49971,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_unary_qps_unconstrained_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -49996,7 +49996,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_unary_ping_pong_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50021,7 +50021,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_unary_qps_unconstrained_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50046,7 +50046,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_ping_pong_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50071,7 +50071,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_qps_unconstrained_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50096,7 +50096,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_qps_unconstrained_1mps_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50121,7 +50121,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_qps_unconstrained_10mps_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50146,7 +50146,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_ping_pong_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50171,7 +50171,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_qps_unconstrained_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50196,7 +50196,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_qps_unconstrained_1mps_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50221,7 +50221,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_qps_unconstrained_10mps_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50246,7 +50246,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_from_client_ping_pong_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50271,7 +50271,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_from_client_qps_unconstrained_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50296,7 +50296,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_from_client_ping_pong_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50321,7 +50321,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_from_client_qps_unconstrained_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50346,7 +50346,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_from_server_ping_pong_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50371,7 +50371,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_from_server_qps_unconstrained_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50396,7 +50396,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_from_server_ping_pong_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50421,7 +50421,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_from_server_qps_unconstrained_secure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50446,7 +50446,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_ping_pong_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50471,7 +50471,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_unconstrained_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50496,7 +50496,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_unconstrained_1mps_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50521,7 +50521,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_unconstrained_10mps_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50546,7 +50546,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_1channel_1MBmsg_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50571,7 +50571,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_unconstrained_64KBmsg_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50596,7 +50596,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_unconstrained_2waysharedcq_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50621,7 +50621,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_qps_unconstrained_2waysharedcq_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50646,7 +50646,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_unary_qps_unconstrained_2waysharedcq_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50671,7 +50671,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_one_server_core_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50698,7 +50698,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_client_sync_server_unary_qps_unconstrained_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50723,7 +50723,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_client_unary_1channel_64wide_128Breq_8MBresp_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50750,7 +50750,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_client_sync_server_streaming_qps_unconstrained_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50775,7 +50775,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_unary_ping_pong_insecure_1MB", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50800,7 +50800,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_unary_ping_pong_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50825,7 +50825,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_unary_qps_unconstrained_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50850,7 +50850,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_unary_ping_pong_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50875,7 +50875,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_unary_qps_unconstrained_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50900,7 +50900,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_ping_pong_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50925,7 +50925,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_qps_unconstrained_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50950,7 +50950,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_qps_unconstrained_1mps_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -50975,7 +50975,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_qps_unconstrained_10mps_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51000,7 +51000,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_ping_pong_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51025,7 +51025,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_qps_unconstrained_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51050,7 +51050,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_qps_unconstrained_1mps_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51075,7 +51075,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_qps_unconstrained_10mps_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51100,7 +51100,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_from_client_ping_pong_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51125,7 +51125,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_from_client_qps_unconstrained_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51150,7 +51150,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_from_client_ping_pong_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51175,7 +51175,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_from_client_qps_unconstrained_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51200,7 +51200,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_from_server_ping_pong_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51225,7 +51225,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_from_server_qps_unconstrained_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51250,7 +51250,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_from_server_ping_pong_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51275,7 +51275,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_from_server_qps_unconstrained_insecure", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51313,7 +51313,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_unary_1channel_100rpcs_1MB_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51351,7 +51351,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_from_client_1channel_1MB_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51389,7 +51389,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_ping_pong_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51427,7 +51427,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_unconstrained_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51465,7 +51465,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_unconstrained_1mps_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51503,7 +51503,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_unconstrained_10mps_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51541,7 +51541,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_1channel_1MBmsg_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51579,7 +51579,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_unconstrained_64KBmsg_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51617,7 +51617,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_unconstrained_2waysharedcq_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51655,7 +51655,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_qps_unconstrained_2waysharedcq_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51693,7 +51693,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_unary_qps_unconstrained_2waysharedcq_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51731,7 +51731,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_one_server_core_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51771,7 +51771,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_client_sync_server_unary_qps_unconstrained_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51809,7 +51809,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_client_unary_1channel_64wide_128Breq_8MBresp_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51849,7 +51849,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_client_sync_server_streaming_qps_unconstrained_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51887,7 +51887,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_unary_ping_pong_secure_1MB_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51925,7 +51925,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_unary_ping_pong_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -51963,7 +51963,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_unary_qps_unconstrained_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -52001,7 +52001,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_unary_ping_pong_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -52039,7 +52039,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_unary_qps_unconstrained_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -52077,7 +52077,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_ping_pong_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -52115,7 +52115,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_qps_unconstrained_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -52153,7 +52153,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_qps_unconstrained_1mps_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -52191,7 +52191,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_qps_unconstrained_10mps_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -52229,7 +52229,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_ping_pong_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -52267,7 +52267,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_qps_unconstrained_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -52305,7 +52305,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_qps_unconstrained_1mps_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -52343,7 +52343,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_qps_unconstrained_10mps_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -52381,7 +52381,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_from_client_ping_pong_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -52419,7 +52419,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_from_client_qps_unconstrained_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -52457,7 +52457,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_from_client_ping_pong_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -52495,7 +52495,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_from_client_qps_unconstrained_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -52533,7 +52533,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_from_server_ping_pong_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -52571,7 +52571,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_from_server_qps_unconstrained_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -52609,7 +52609,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_from_server_ping_pong_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -52647,7 +52647,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_from_server_qps_unconstrained_secure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -52685,7 +52685,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_ping_pong_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -52723,7 +52723,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_unconstrained_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -52761,7 +52761,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_unconstrained_1mps_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -52799,7 +52799,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_unconstrained_10mps_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -52837,7 +52837,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_1channel_1MBmsg_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -52875,7 +52875,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_unconstrained_64KBmsg_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -52913,7 +52913,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_unconstrained_2waysharedcq_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -52951,7 +52951,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_qps_unconstrained_2waysharedcq_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -52989,7 +52989,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_unary_qps_unconstrained_2waysharedcq_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -53027,7 +53027,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_one_server_core_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -53067,7 +53067,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_client_sync_server_unary_qps_unconstrained_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -53105,7 +53105,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_client_unary_1channel_64wide_128Breq_8MBresp_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -53145,7 +53145,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_client_sync_server_streaming_qps_unconstrained_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -53183,7 +53183,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_unary_ping_pong_insecure_1MB_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -53221,7 +53221,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_unary_ping_pong_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -53259,7 +53259,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_unary_qps_unconstrained_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -53297,7 +53297,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_unary_ping_pong_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -53335,7 +53335,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_unary_qps_unconstrained_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -53373,7 +53373,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_ping_pong_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -53411,7 +53411,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_qps_unconstrained_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -53449,7 +53449,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_qps_unconstrained_1mps_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -53487,7 +53487,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_qps_unconstrained_10mps_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -53525,7 +53525,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_ping_pong_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -53563,7 +53563,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_qps_unconstrained_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -53601,7 +53601,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_qps_unconstrained_1mps_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -53639,7 +53639,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_qps_unconstrained_10mps_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -53677,7 +53677,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_from_client_ping_pong_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -53715,7 +53715,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_from_client_qps_unconstrained_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -53753,7 +53753,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_from_client_ping_pong_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -53791,7 +53791,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_from_client_qps_unconstrained_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -53829,7 +53829,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_from_server_ping_pong_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -53867,7 +53867,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_sync_streaming_from_server_qps_unconstrained_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -53905,7 +53905,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_from_server_ping_pong_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
@@ -53943,7 +53943,7 @@
       "linux"
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_from_server_qps_unconstrained_insecure_low_thread_count", 
-    "timeout_seconds": 360
+    "timeout_seconds": 120
   }, 
   {
     "args": [
diff --git a/tools/run_tests/python_utils/jobset.py b/tools/run_tests/python_utils/jobset.py
index 062c79a0de..82a3bc1435 100755
--- a/tools/run_tests/python_utils/jobset.py
+++ b/tools/run_tests/python_utils/jobset.py
@@ -364,7 +364,7 @@ class Job(object):
 class Jobset(object):
   """Manages one run of jobs."""
 
-  def __init__(self, check_cancelled, maxjobs, newline_on_success, travis,
+  def __init__(self, check_cancelled, maxjobs, maxjobs_cpu_agnostic, newline_on_success, travis,
                stop_on_failure, add_env, quiet_success, max_time):
     self._running = set()
     self._check_cancelled = check_cancelled
@@ -372,6 +372,7 @@ class Jobset(object):
     self._failures = 0
     self._completed = 0
     self._maxjobs = maxjobs
+    self._maxjobs_cpu_agnostic = maxjobs_cpu_agnostic
     self._newline_on_success = newline_on_success
     self._travis = travis
     self._stop_on_failure = stop_on_failure
@@ -406,7 +407,9 @@ class Jobset(object):
       if self.cancelled(): return False
       current_cpu_cost = self.cpu_cost()
       if current_cpu_cost == 0: break
-      if current_cpu_cost + spec.cpu_cost <= self._maxjobs: break
+      if current_cpu_cost + spec.cpu_cost <= self._maxjobs:
+        if len(self._running) < self._maxjobs_cpu_agnostic:
+          break
       self.reap()
     if self.cancelled(): return False
     job = Job(spec,
@@ -491,6 +494,7 @@ def tag_remaining(xs):
 def run(cmdlines,
         check_cancelled=_never_cancelled,
         maxjobs=None,
+        maxjobs_cpu_agnostic=None,
         newline_on_success=False,
         travis=False,
         infinite_runs=False,
@@ -509,6 +513,7 @@ def run(cmdlines,
     return 0, resultset
   js = Jobset(check_cancelled,
               maxjobs if maxjobs is not None else _DEFAULT_MAX_JOBS,
+              maxjobs_cpu_agnostic if maxjobs_cpu_agnostic is not None else _DEFAULT_MAX_JOBS,
               newline_on_success, travis, stop_on_failure, add_env,
               quiet_success, max_time)
   for cmdline, remaining in tag_remaining(cmdlines):
diff --git a/tools/run_tests/run_tests.py b/tools/run_tests/run_tests.py
index 803f2decbc..1c41679827 100755
--- a/tools/run_tests/run_tests.py
+++ b/tools/run_tests/run_tests.py
@@ -117,6 +117,13 @@ def run_shell_command(cmd, env=None, cwd=None):
                        e.cmd, e.returncode, e.output)
     raise
 
+def max_parallel_tests_for_current_platform():
+  # Too much test parallelization has only been seen to be a problem
+  # so far on windows.
+  if jobset.platform_string() == 'windows':
+    return 64
+  return 128
+
 # SimpleConfig: just compile with CONFIG=config, and run the binary to test
 class Config(object):
 
@@ -1618,7 +1625,7 @@ def _build_and_run(
       jobset.message('START', 'Running tests quietly, only failing tests will be reported', do_newline=True)
     num_test_failures, resultset = jobset.run(
         all_runs, check_cancelled, newline_on_success=newline_on_success,
-        travis=args.travis, maxjobs=args.jobs,
+        travis=args.travis, maxjobs=args.jobs, maxjobs_cpu_agnostic=max_parallel_tests_for_current_platform(),
         stop_on_failure=args.stop_on_failure,
         quiet_success=args.quiet_success, max_time=args.max_time)
     if resultset:
diff --git a/tools/run_tests/sanity/check_submodules.sh b/tools/run_tests/sanity/check_submodules.sh
index 7c934b1ba7..97324f0a3a 100755
--- a/tools/run_tests/sanity/check_submodules.sh
+++ b/tools/run_tests/sanity/check_submodules.sh
@@ -34,6 +34,7 @@ cat << EOF | awk '{ print $1 }' | sort > $want_submodules
  80a37e0782d2d702d52234b62dd4b9ec74fd2c95 third_party/protobuf (v3.4.0)
  cacf7f1d4e3d44d871b605da3b647f07d718623f third_party/zlib (v1.2.11)
  3be1924221e1326df520f8498d704a5c4c8d0cce third_party/cares/cares (cares-1_13_0)
+ 73594cde8c9a52a102c4341c244c833aa61b9c06 third_party/bloaty
 EOF
 
 diff -u $submodules $want_submodules