Merge branch 'master' into subchannel_factory_create_lb_channel

12 files changed, 106 insertions, 4304 deletions

diff --git a/tools/dockerfile/grpc_clang_format/clang_format_all_the_things.sh b/tools/dockerfile/grpc_clang_format/clang_format_all_the_things.sh
index 830d018304..6f4155944c 100755
--- a/tools/dockerfile/grpc_clang_format/clang_format_all_the_things.sh
+++ b/tools/dockerfile/grpc_clang_format/clang_format_all_the_things.sh
@@ -31,7 +31,7 @@
 set -e
 
 # directories to run against
-DIRS="src/core src/cpp test/core test/cpp include"
+DIRS="src/core/lib src/core/ext src/cpp test/core test/cpp include"
 
 # file matching patterns to check
 GLOB="*.h *.c *.cc"
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index 538394764d..d76d6ad5a7 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -773,6 +773,12 @@ include/grpc/impl/codegen/grpc_types.h \
 include/grpc/impl/codegen/propagation_bits.h \
 include/grpc/impl/codegen/status.h \
 include/grpc/status.h \
+src/core/ext/census/aggregation.h \
+src/core/ext/census/census_interface.h \
+src/core/ext/census/census_rpc_stats.h \
+src/core/ext/census/grpc_filter.h \
+src/core/ext/census/mlog.h \
+src/core/ext/census/rpc_metric_id.h \
 src/core/ext/lb_policy/grpclb/load_balancer_api.h \
 src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h \
 src/core/ext/transport/chttp2/transport/alpn.h \
@@ -796,11 +802,6 @@ src/core/ext/transport/chttp2/transport/status_conversion.h \
 src/core/ext/transport/chttp2/transport/stream_map.h \
 src/core/ext/transport/chttp2/transport/timeout_encoding.h \
 src/core/ext/transport/chttp2/transport/varint.h \
-src/core/lib/census/aggregation.h \
-src/core/lib/census/grpc_filter.h \
-src/core/lib/census/grpc_plugin.h \
-src/core/lib/census/mlog.h \
-src/core/lib/census/rpc_metric_id.h \
 src/core/lib/channel/channel_args.h \
 src/core/lib/channel/channel_stack.h \
 src/core/lib/channel/channel_stack_builder.h \
@@ -835,17 +836,16 @@ src/core/lib/http/parser.h \
 src/core/lib/iomgr/closure.h \
 src/core/lib/iomgr/endpoint.h \
 src/core/lib/iomgr/endpoint_pair.h \
+src/core/lib/iomgr/ev_poll_and_epoll_posix.h \
+src/core/lib/iomgr/ev_posix.h \
 src/core/lib/iomgr/exec_ctx.h \
 src/core/lib/iomgr/executor.h \
-src/core/lib/iomgr/fd_posix.h \
 src/core/lib/iomgr/iocp_windows.h \
 src/core/lib/iomgr/iomgr.h \
 src/core/lib/iomgr/iomgr_internal.h \
 src/core/lib/iomgr/iomgr_posix.h \
 src/core/lib/iomgr/pollset.h \
-src/core/lib/iomgr/pollset_posix.h \
 src/core/lib/iomgr/pollset_set.h \
-src/core/lib/iomgr/pollset_set_posix.h \
 src/core/lib/iomgr/pollset_set_windows.h \
 src/core/lib/iomgr/pollset_windows.h \
 src/core/lib/iomgr/resolve_address.h \
@@ -882,8 +882,6 @@ src/core/lib/security/jwt_verifier.h \
 src/core/lib/security/secure_endpoint.h \
 src/core/lib/security/security_connector.h \
 src/core/lib/security/security_context.h \
-src/core/lib/statistics/census_interface.h \
-src/core/lib/statistics/census_rpc_stats.h \
 src/core/lib/surface/api_trace.h \
 src/core/lib/surface/call.h \
 src/core/lib/surface/call_test_only.h \
@@ -912,6 +910,15 @@ third_party/nanopb/pb.h \
 third_party/nanopb/pb_common.h \
 third_party/nanopb/pb_decode.h \
 third_party/nanopb/pb_encode.h \
+src/core/ext/census/context.c \
+src/core/ext/census/grpc_context.c \
+src/core/ext/census/grpc_filter.c \
+src/core/ext/census/grpc_plugin.c \
+src/core/ext/census/initialize.c \
+src/core/ext/census/mlog.c \
+src/core/ext/census/operation.c \
+src/core/ext/census/placeholders.c \
+src/core/ext/census/tracing.c \
 src/core/ext/lb_policy/grpclb/load_balancer_api.c \
 src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c \
 src/core/ext/lb_policy/pick_first/pick_first.c \
@@ -941,15 +948,6 @@ src/core/ext/transport/chttp2/transport/stream_map.c \
 src/core/ext/transport/chttp2/transport/timeout_encoding.c \
 src/core/ext/transport/chttp2/transport/varint.c \
 src/core/ext/transport/chttp2/transport/writing.c \
-src/core/lib/census/context.c \
-src/core/lib/census/grpc_context.c \
-src/core/lib/census/grpc_filter.c \
-src/core/lib/census/grpc_plugin.c \
-src/core/lib/census/initialize.c \
-src/core/lib/census/mlog.c \
-src/core/lib/census/operation.c \
-src/core/lib/census/placeholders.c \
-src/core/lib/census/tracing.c \
 src/core/lib/channel/channel_args.c \
 src/core/lib/channel/channel_stack.c \
 src/core/lib/channel/channel_stack_builder.c \
@@ -986,17 +984,14 @@ src/core/lib/iomgr/closure.c \
 src/core/lib/iomgr/endpoint.c \
 src/core/lib/iomgr/endpoint_pair_posix.c \
 src/core/lib/iomgr/endpoint_pair_windows.c \
+src/core/lib/iomgr/ev_poll_and_epoll_posix.c \
+src/core/lib/iomgr/ev_posix.c \
 src/core/lib/iomgr/exec_ctx.c \
 src/core/lib/iomgr/executor.c \
-src/core/lib/iomgr/fd_posix.c \
 src/core/lib/iomgr/iocp_windows.c \
 src/core/lib/iomgr/iomgr.c \
 src/core/lib/iomgr/iomgr_posix.c \
 src/core/lib/iomgr/iomgr_windows.c \
-src/core/lib/iomgr/pollset_multipoller_with_epoll.c \
-src/core/lib/iomgr/pollset_multipoller_with_poll_posix.c \
-src/core/lib/iomgr/pollset_posix.c \
-src/core/lib/iomgr/pollset_set_posix.c \
 src/core/lib/iomgr/pollset_set_windows.c \
 src/core/lib/iomgr/pollset_windows.c \
 src/core/lib/iomgr/resolve_address_posix.c \
diff --git a/tools/gce/create_linux_performance_worker.sh b/tools/gce/create_linux_performance_worker.sh
index dfe095ca33..8c9cc46a75 100755
--- a/tools/gce/create_linux_performance_worker.sh
+++ b/tools/gce/create_linux_performance_worker.sh
@@ -29,6 +29,10 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 # Creates a performance worker on GCE.
+# IMPORTANT: After creating the worker, one needs to manually add the pubkey
+# of jenkins@the-machine-where-jenkins-starts-perf-tests
+# to ~/.ssh/authorized_keys so that multi-machine scenarios can work.
+# See tools/run_tests/run_performance_tests.py for details.
 
 set -ex
 
@@ -37,7 +41,7 @@ cd $(dirname $0)
 CLOUD_PROJECT=grpc-testing
 ZONE=us-central1-b  # this zone allows 32core machines
 
-INSTANCE_NAME="${1:-grpc-performance-driver}"
+INSTANCE_NAME="${1:-grpc-performance-server1}"
 MACHINE_TYPE=n1-standard-32
 
 gcloud compute instances create $INSTANCE_NAME \
@@ -53,9 +57,9 @@ sleep 60
 gcloud compute copy-files \
     --project="$CLOUD_PROJECT" \
     --zone "$ZONE" \
-    jenkins_master.pub linux_performance_worker_init.sh ${INSTANCE_NAME}:~
+    jenkins_master.pub linux_performance_worker_init.sh jenkins@${INSTANCE_NAME}:~
 
 gcloud compute ssh \
     --project="$CLOUD_PROJECT" \
     --zone "$ZONE" \
-    $INSTANCE_NAME --command "./linux_performance_worker_init.sh"
+    jenkins@${INSTANCE_NAME} --command "./linux_performance_worker_init.sh"
diff --git a/tools/gce/linux_performance_worker_init.sh b/tools/gce/linux_performance_worker_init.sh
index 8f58afdb29..c7272b61a5 100755
--- a/tools/gce/linux_performance_worker_init.sh
+++ b/tools/gce/linux_performance_worker_init.sh
@@ -40,9 +40,6 @@ sudo apt-get update
 sudo apt-get install -y openjdk-8-jdk
 sudo apt-get install -y unzip lsof
 
-# Setup jenkins user (or the user will already exist bcuz magic)
-sudo adduser jenkins --disabled-password || true
-
 # Add pubkey of jenkins@grpc-jenkins-master to authorized keys of jenkins@
 # This needs to happen as the last step to prevent Jenkins master from connecting
 # to a machine that hasn't been properly setup yet.
@@ -89,8 +86,7 @@ curl -O https://bootstrap.pypa.io/get-pip.py
 sudo pypy get-pip.py
 sudo pypy -m pip install tabulate
 
-# Node dependences.
-# TODO(jtattermusch) nvm has to be installed under user jenkins
+# Node dependencies (nvm has to be installed under user jenkins)
 touch .profile
 curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.25.4/install.sh | bash
 nvm install 0.12 && npm config set cache /tmp/npm-cache
diff --git a/tools/run_tests/performance/build_performance.sh b/tools/run_tests/performance/build_performance.sh
index 59d65a9276..829c2e3040 100755
--- a/tools/run_tests/performance/build_performance.sh
+++ b/tools/run_tests/performance/build_performance.sh
@@ -36,14 +36,17 @@ cd $(dirname $0)/../../..
 
 CONFIG=${CONFIG:-opt}
 
-# build C++ qps worker & driver
-# TODO(jtattermusch): not embedding OpenSSL breaks the C# build because
-# grpc_csharp_ext needs OpenSSL embedded and some intermediate files from
-# this build will be reused.
-make CONFIG=${CONFIG} EMBED_OPENSSL=true EMBED_ZLIB=true qps_worker qps_driver -j8
+for language in $@
+do
+  if [ "$language" == "c++" ]
+  then
+    # build C++ qps worker & driver
+    # TODO(jtattermusch): not embedding OpenSSL breaks the C# build because
+    # grpc_csharp_ext needs OpenSSL embedded and some intermediate files from
+    # this build will be reused.
+    make CONFIG=${CONFIG} EMBED_OPENSSL=true EMBED_ZLIB=true qps_worker qps_driver -j8
+  else
+    tools/run_tests/run_tests.py -l $language -c $CONFIG --build_only -j 8
+  fi
+done
 
-# build C# qps worker
-tools/run_tests/run_tests.py -l csharp -c $CONFIG --build_only -j 8
-
-# build Node qps worker
-tools/run_tests/run_tests.py -l node -c $CONFIG --build_only -j 8
diff --git a/tools/run_tests/performance/remote_host_build.sh b/tools/run_tests/performance/remote_host_build.sh
index f23ea921ce..fee4167d33 100755
--- a/tools/run_tests/performance/remote_host_build.sh
+++ b/tools/run_tests/performance/remote_host_build.sh
@@ -33,4 +33,4 @@ set -ex
 cd $(dirname $0)/../../..
 
 # execute the build script remotely
-ssh "${USER_AT_HOST}" "CONFIG=${CONFIG} ~/performance_workspace/grpc/tools/run_tests/performance/build_performance.sh"
+ssh "${USER_AT_HOST}" "CONFIG=${CONFIG} ~/performance_workspace/grpc/tools/run_tests/performance/build_performance.sh $*"
diff --git a/tools/run_tests/run_performance_tests.py b/tools/run_tests/run_performance_tests.py
index cf6b392936..0ab3d264a5 100755
--- a/tools/run_tests/run_performance_tests.py
+++ b/tools/run_tests/run_performance_tests.py
@@ -272,7 +272,7 @@ def prepare_remote_hosts(hosts):
     sys.exit(1)
 
 
-def build_on_remote_hosts(hosts, build_local=False):
+def build_on_remote_hosts(hosts, languages=_LANGUAGES.keys(), build_local=False):
   """Builds performance worker on remote hosts (and maybe also locally)."""
   build_timeout = 15*60
   build_jobs = []
@@ -280,7 +280,7 @@ def build_on_remote_hosts(hosts, build_local=False):
     user_at_host = '%s@%s' % (_REMOTE_HOST_USERNAME, host)
     build_jobs.append(
         jobset.JobSpec(
-            cmdline=['tools/run_tests/performance/remote_host_build.sh'],
+            cmdline=['tools/run_tests/performance/remote_host_build.sh'] + languages,
             shortname='remote_host_build.%s' % host,
             environ = {'USER_AT_HOST': user_at_host, 'CONFIG': 'opt'},
             timeout_seconds=build_timeout))
@@ -288,7 +288,7 @@ def build_on_remote_hosts(hosts, build_local=False):
     # Build locally as well
     build_jobs.append(
         jobset.JobSpec(
-            cmdline=['tools/run_tests/performance/build_performance.sh'],
+            cmdline=['tools/run_tests/performance/build_performance.sh'] + languages,
             shortname='local_build',
             environ = {'CONFIG': 'opt'},
             timeout_seconds=build_timeout))
@@ -400,7 +400,7 @@ if remote_hosts:
 build_local = False
 if not args.remote_driver_host:
   build_local = True
-build_on_remote_hosts(remote_hosts, build_local=build_local)
+build_on_remote_hosts(remote_hosts, languages=[str(l) for l in languages], build_local=build_local)
 
 qpsworker_jobs = start_qpsworkers(languages, args.remote_worker_host)
 
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index 39cdedc383..94239ae390 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -3423,40 +3423,6 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_full+poll_test", 
-    "src": [
-      "test/core/end2end/fixtures/h2_full+poll.c"
-    ], 
-    "third_party": false, 
-    "type": "target"
-  }, 
-  {
-    "deps": [
-      "end2end_tests", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
-    "src": [
-      "test/core/end2end/fixtures/h2_full+poll+pipe.c"
-    ], 
-    "third_party": false, 
-    "type": "target"
-  }, 
-  {
-    "deps": [
-      "end2end_tests", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
-    ], 
-    "headers": [], 
-    "language": "c", 
     "name": "h2_full+trace_test", 
     "src": [
       "test/core/end2end/fixtures/h2_full+trace.c"
@@ -3576,23 +3542,6 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
-    "src": [
-      "test/core/end2end/fixtures/h2_ssl+poll.c"
-    ], 
-    "third_party": false, 
-    "type": "target"
-  }, 
-  {
-    "deps": [
-      "end2end_tests", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
-    ], 
-    "headers": [], 
-    "language": "c", 
     "name": "h2_ssl_proxy_test", 
     "src": [
       "test/core/end2end/fixtures/h2_ssl_proxy.c"
@@ -3619,23 +3568,6 @@
   }, 
   {
     "deps": [
-      "end2end_tests", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "src": [
-      "test/core/end2end/fixtures/h2_uds+poll.c"
-    ], 
-    "third_party": false, 
-    "type": "target"
-  }, 
-  {
-    "deps": [
       "end2end_nosec_tests", 
       "gpr", 
       "gpr_test_util", 
@@ -3712,40 +3644,6 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
-    "src": [
-      "test/core/end2end/fixtures/h2_full+poll.c"
-    ], 
-    "third_party": false, 
-    "type": "target"
-  }, 
-  {
-    "deps": [
-      "end2end_nosec_tests", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
-    "src": [
-      "test/core/end2end/fixtures/h2_full+poll+pipe.c"
-    ], 
-    "third_party": false, 
-    "type": "target"
-  }, 
-  {
-    "deps": [
-      "end2end_nosec_tests", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
-    ], 
-    "headers": [], 
-    "language": "c", 
     "name": "h2_full+trace_nosec_test", 
     "src": [
       "test/core/end2end/fixtures/h2_full+trace.c"
@@ -3840,23 +3738,6 @@
   }, 
   {
     "deps": [
-      "end2end_nosec_tests", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "src": [
-      "test/core/end2end/fixtures/h2_uds+poll.c"
-    ], 
-    "third_party": false, 
-    "type": "target"
-  }, 
-  {
-    "deps": [
       "gpr", 
       "gpr_test_util", 
       "grpc", 
@@ -4120,6 +4001,12 @@
       "include/grpc/impl/codegen/propagation_bits.h", 
       "include/grpc/impl/codegen/status.h", 
       "include/grpc/status.h", 
+      "src/core/ext/census/aggregation.h", 
+      "src/core/ext/census/census_interface.h", 
+      "src/core/ext/census/census_rpc_stats.h", 
+      "src/core/ext/census/grpc_filter.h", 
+      "src/core/ext/census/mlog.h", 
+      "src/core/ext/census/rpc_metric_id.h", 
       "src/core/ext/lb_policy/grpclb/load_balancer_api.h", 
       "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h", 
       "src/core/ext/transport/chttp2/transport/alpn.h", 
@@ -4143,11 +4030,6 @@
       "src/core/ext/transport/chttp2/transport/stream_map.h", 
       "src/core/ext/transport/chttp2/transport/timeout_encoding.h", 
       "src/core/ext/transport/chttp2/transport/varint.h", 
-      "src/core/lib/census/aggregation.h", 
-      "src/core/lib/census/grpc_filter.h", 
-      "src/core/lib/census/grpc_plugin.h", 
-      "src/core/lib/census/mlog.h", 
-      "src/core/lib/census/rpc_metric_id.h", 
       "src/core/lib/channel/channel_args.h", 
       "src/core/lib/channel/channel_stack.h", 
       "src/core/lib/channel/channel_stack_builder.h", 
@@ -4182,17 +4064,16 @@
       "src/core/lib/iomgr/closure.h", 
       "src/core/lib/iomgr/endpoint.h", 
       "src/core/lib/iomgr/endpoint_pair.h", 
+      "src/core/lib/iomgr/ev_poll_and_epoll_posix.h", 
+      "src/core/lib/iomgr/ev_posix.h", 
       "src/core/lib/iomgr/exec_ctx.h", 
       "src/core/lib/iomgr/executor.h", 
-      "src/core/lib/iomgr/fd_posix.h", 
       "src/core/lib/iomgr/iocp_windows.h", 
       "src/core/lib/iomgr/iomgr.h", 
       "src/core/lib/iomgr/iomgr_internal.h", 
       "src/core/lib/iomgr/iomgr_posix.h", 
       "src/core/lib/iomgr/pollset.h", 
-      "src/core/lib/iomgr/pollset_posix.h", 
       "src/core/lib/iomgr/pollset_set.h", 
-      "src/core/lib/iomgr/pollset_set_posix.h", 
       "src/core/lib/iomgr/pollset_set_windows.h", 
       "src/core/lib/iomgr/pollset_windows.h", 
       "src/core/lib/iomgr/resolve_address.h", 
@@ -4229,8 +4110,6 @@
       "src/core/lib/security/secure_endpoint.h", 
       "src/core/lib/security/security_connector.h", 
       "src/core/lib/security/security_context.h", 
-      "src/core/lib/statistics/census_interface.h", 
-      "src/core/lib/statistics/census_rpc_stats.h", 
       "src/core/lib/surface/api_trace.h", 
       "src/core/lib/surface/call.h", 
       "src/core/lib/surface/call_test_only.h", 
@@ -4276,6 +4155,21 @@
       "include/grpc/impl/codegen/propagation_bits.h", 
       "include/grpc/impl/codegen/status.h", 
       "include/grpc/status.h", 
+      "src/core/ext/census/aggregation.h", 
+      "src/core/ext/census/census_interface.h", 
+      "src/core/ext/census/census_rpc_stats.h", 
+      "src/core/ext/census/context.c", 
+      "src/core/ext/census/grpc_context.c", 
+      "src/core/ext/census/grpc_filter.c", 
+      "src/core/ext/census/grpc_filter.h", 
+      "src/core/ext/census/grpc_plugin.c", 
+      "src/core/ext/census/initialize.c", 
+      "src/core/ext/census/mlog.c", 
+      "src/core/ext/census/mlog.h", 
+      "src/core/ext/census/operation.c", 
+      "src/core/ext/census/placeholders.c", 
+      "src/core/ext/census/rpc_metric_id.h", 
+      "src/core/ext/census/tracing.c", 
       "src/core/ext/lb_policy/grpclb/load_balancer_api.c", 
       "src/core/ext/lb_policy/grpclb/load_balancer_api.h", 
       "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c", 
@@ -4328,20 +4222,6 @@
       "src/core/ext/transport/chttp2/transport/varint.c", 
       "src/core/ext/transport/chttp2/transport/varint.h", 
       "src/core/ext/transport/chttp2/transport/writing.c", 
-      "src/core/lib/census/aggregation.h", 
-      "src/core/lib/census/context.c", 
-      "src/core/lib/census/grpc_context.c", 
-      "src/core/lib/census/grpc_filter.c", 
-      "src/core/lib/census/grpc_filter.h", 
-      "src/core/lib/census/grpc_plugin.c", 
-      "src/core/lib/census/grpc_plugin.h", 
-      "src/core/lib/census/initialize.c", 
-      "src/core/lib/census/mlog.c", 
-      "src/core/lib/census/mlog.h", 
-      "src/core/lib/census/operation.c", 
-      "src/core/lib/census/placeholders.c", 
-      "src/core/lib/census/rpc_metric_id.h", 
-      "src/core/lib/census/tracing.c", 
       "src/core/lib/channel/channel_args.c", 
       "src/core/lib/channel/channel_args.h", 
       "src/core/lib/channel/channel_stack.c", 
@@ -4412,12 +4292,14 @@
       "src/core/lib/iomgr/endpoint_pair.h", 
       "src/core/lib/iomgr/endpoint_pair_posix.c", 
       "src/core/lib/iomgr/endpoint_pair_windows.c", 
+      "src/core/lib/iomgr/ev_poll_and_epoll_posix.c", 
+      "src/core/lib/iomgr/ev_poll_and_epoll_posix.h", 
+      "src/core/lib/iomgr/ev_posix.c", 
+      "src/core/lib/iomgr/ev_posix.h", 
       "src/core/lib/iomgr/exec_ctx.c", 
       "src/core/lib/iomgr/exec_ctx.h", 
       "src/core/lib/iomgr/executor.c", 
       "src/core/lib/iomgr/executor.h", 
-      "src/core/lib/iomgr/fd_posix.c", 
-      "src/core/lib/iomgr/fd_posix.h", 
       "src/core/lib/iomgr/iocp_windows.c", 
       "src/core/lib/iomgr/iocp_windows.h", 
       "src/core/lib/iomgr/iomgr.c", 
@@ -4427,13 +4309,7 @@
       "src/core/lib/iomgr/iomgr_posix.h", 
       "src/core/lib/iomgr/iomgr_windows.c", 
       "src/core/lib/iomgr/pollset.h", 
-      "src/core/lib/iomgr/pollset_multipoller_with_epoll.c", 
-      "src/core/lib/iomgr/pollset_multipoller_with_poll_posix.c", 
-      "src/core/lib/iomgr/pollset_posix.c", 
-      "src/core/lib/iomgr/pollset_posix.h", 
       "src/core/lib/iomgr/pollset_set.h", 
-      "src/core/lib/iomgr/pollset_set_posix.c", 
-      "src/core/lib/iomgr/pollset_set_posix.h", 
       "src/core/lib/iomgr/pollset_set_windows.c", 
       "src/core/lib/iomgr/pollset_set_windows.h", 
       "src/core/lib/iomgr/pollset_windows.c", 
@@ -4515,8 +4391,6 @@
       "src/core/lib/security/security_context.c", 
       "src/core/lib/security/security_context.h", 
       "src/core/lib/security/server_auth_filter.c", 
-      "src/core/lib/statistics/census_interface.h", 
-      "src/core/lib/statistics/census_rpc_stats.h", 
       "src/core/lib/surface/alarm.c", 
       "src/core/lib/surface/api_trace.c", 
       "src/core/lib/surface/api_trace.h", 
@@ -4745,6 +4619,12 @@
       "include/grpc/impl/codegen/propagation_bits.h", 
       "include/grpc/impl/codegen/status.h", 
       "include/grpc/status.h", 
+      "src/core/ext/census/aggregation.h", 
+      "src/core/ext/census/census_interface.h", 
+      "src/core/ext/census/census_rpc_stats.h", 
+      "src/core/ext/census/grpc_filter.h", 
+      "src/core/ext/census/mlog.h", 
+      "src/core/ext/census/rpc_metric_id.h", 
       "src/core/ext/lb_policy/grpclb/load_balancer_api.h", 
       "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h", 
       "src/core/ext/transport/chttp2/transport/alpn.h", 
@@ -4768,11 +4648,6 @@
       "src/core/ext/transport/chttp2/transport/stream_map.h", 
       "src/core/ext/transport/chttp2/transport/timeout_encoding.h", 
       "src/core/ext/transport/chttp2/transport/varint.h", 
-      "src/core/lib/census/aggregation.h", 
-      "src/core/lib/census/grpc_filter.h", 
-      "src/core/lib/census/grpc_plugin.h", 
-      "src/core/lib/census/mlog.h", 
-      "src/core/lib/census/rpc_metric_id.h", 
       "src/core/lib/channel/channel_args.h", 
       "src/core/lib/channel/channel_stack.h", 
       "src/core/lib/channel/channel_stack_builder.h", 
@@ -4807,17 +4682,16 @@
       "src/core/lib/iomgr/closure.h", 
       "src/core/lib/iomgr/endpoint.h", 
       "src/core/lib/iomgr/endpoint_pair.h", 
+      "src/core/lib/iomgr/ev_poll_and_epoll_posix.h", 
+      "src/core/lib/iomgr/ev_posix.h", 
       "src/core/lib/iomgr/exec_ctx.h", 
       "src/core/lib/iomgr/executor.h", 
-      "src/core/lib/iomgr/fd_posix.h", 
       "src/core/lib/iomgr/iocp_windows.h", 
       "src/core/lib/iomgr/iomgr.h", 
       "src/core/lib/iomgr/iomgr_internal.h", 
       "src/core/lib/iomgr/iomgr_posix.h", 
       "src/core/lib/iomgr/pollset.h", 
-      "src/core/lib/iomgr/pollset_posix.h", 
       "src/core/lib/iomgr/pollset_set.h", 
-      "src/core/lib/iomgr/pollset_set_posix.h", 
       "src/core/lib/iomgr/pollset_set_windows.h", 
       "src/core/lib/iomgr/pollset_windows.h", 
       "src/core/lib/iomgr/resolve_address.h", 
@@ -4845,8 +4719,6 @@
       "src/core/lib/json/json_common.h", 
       "src/core/lib/json/json_reader.h", 
       "src/core/lib/json/json_writer.h", 
-      "src/core/lib/statistics/census_interface.h", 
-      "src/core/lib/statistics/census_rpc_stats.h", 
       "src/core/lib/surface/api_trace.h", 
       "src/core/lib/surface/call.h", 
       "src/core/lib/surface/call_test_only.h", 
@@ -4886,6 +4758,21 @@
       "include/grpc/impl/codegen/propagation_bits.h", 
       "include/grpc/impl/codegen/status.h", 
       "include/grpc/status.h", 
+      "src/core/ext/census/aggregation.h", 
+      "src/core/ext/census/census_interface.h", 
+      "src/core/ext/census/census_rpc_stats.h", 
+      "src/core/ext/census/context.c", 
+      "src/core/ext/census/grpc_context.c", 
+      "src/core/ext/census/grpc_filter.c", 
+      "src/core/ext/census/grpc_filter.h", 
+      "src/core/ext/census/grpc_plugin.c", 
+      "src/core/ext/census/initialize.c", 
+      "src/core/ext/census/mlog.c", 
+      "src/core/ext/census/mlog.h", 
+      "src/core/ext/census/operation.c", 
+      "src/core/ext/census/placeholders.c", 
+      "src/core/ext/census/rpc_metric_id.h", 
+      "src/core/ext/census/tracing.c", 
       "src/core/ext/lb_policy/grpclb/load_balancer_api.c", 
       "src/core/ext/lb_policy/grpclb/load_balancer_api.h", 
       "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c", 
@@ -4936,20 +4823,6 @@
       "src/core/ext/transport/chttp2/transport/varint.c", 
       "src/core/ext/transport/chttp2/transport/varint.h", 
       "src/core/ext/transport/chttp2/transport/writing.c", 
-      "src/core/lib/census/aggregation.h", 
-      "src/core/lib/census/context.c", 
-      "src/core/lib/census/grpc_context.c", 
-      "src/core/lib/census/grpc_filter.c", 
-      "src/core/lib/census/grpc_filter.h", 
-      "src/core/lib/census/grpc_plugin.c", 
-      "src/core/lib/census/grpc_plugin.h", 
-      "src/core/lib/census/initialize.c", 
-      "src/core/lib/census/mlog.c", 
-      "src/core/lib/census/mlog.h", 
-      "src/core/lib/census/operation.c", 
-      "src/core/lib/census/placeholders.c", 
-      "src/core/lib/census/rpc_metric_id.h", 
-      "src/core/lib/census/tracing.c", 
       "src/core/lib/channel/channel_args.c", 
       "src/core/lib/channel/channel_args.h", 
       "src/core/lib/channel/channel_stack.c", 
@@ -5019,12 +4892,14 @@
       "src/core/lib/iomgr/endpoint_pair.h", 
       "src/core/lib/iomgr/endpoint_pair_posix.c", 
       "src/core/lib/iomgr/endpoint_pair_windows.c", 
+      "src/core/lib/iomgr/ev_poll_and_epoll_posix.c", 
+      "src/core/lib/iomgr/ev_poll_and_epoll_posix.h", 
+      "src/core/lib/iomgr/ev_posix.c", 
+      "src/core/lib/iomgr/ev_posix.h", 
       "src/core/lib/iomgr/exec_ctx.c", 
       "src/core/lib/iomgr/exec_ctx.h", 
       "src/core/lib/iomgr/executor.c", 
       "src/core/lib/iomgr/executor.h", 
-      "src/core/lib/iomgr/fd_posix.c", 
-      "src/core/lib/iomgr/fd_posix.h", 
       "src/core/lib/iomgr/iocp_windows.c", 
       "src/core/lib/iomgr/iocp_windows.h", 
       "src/core/lib/iomgr/iomgr.c", 
@@ -5034,13 +4909,7 @@
       "src/core/lib/iomgr/iomgr_posix.h", 
       "src/core/lib/iomgr/iomgr_windows.c", 
       "src/core/lib/iomgr/pollset.h", 
-      "src/core/lib/iomgr/pollset_multipoller_with_epoll.c", 
-      "src/core/lib/iomgr/pollset_multipoller_with_poll_posix.c", 
-      "src/core/lib/iomgr/pollset_posix.c", 
-      "src/core/lib/iomgr/pollset_posix.h", 
       "src/core/lib/iomgr/pollset_set.h", 
-      "src/core/lib/iomgr/pollset_set_posix.c", 
-      "src/core/lib/iomgr/pollset_set_posix.h", 
       "src/core/lib/iomgr/pollset_set_windows.c", 
       "src/core/lib/iomgr/pollset_set_windows.h", 
       "src/core/lib/iomgr/pollset_windows.c", 
@@ -5099,8 +4968,6 @@
       "src/core/lib/json/json_string.c", 
       "src/core/lib/json/json_writer.c", 
       "src/core/lib/json/json_writer.h", 
-      "src/core/lib/statistics/census_interface.h", 
-      "src/core/lib/statistics/census_rpc_stats.h", 
       "src/core/lib/surface/alarm.c", 
       "src/core/lib/surface/api_trace.c", 
       "src/core/lib/surface/api_trace.h", 
diff --git a/tools/run_tests/stress_test/README.md b/tools/run_tests/stress_test/README.md
index 84f9719cb1..cc82b875cd 100644
--- a/tools/run_tests/stress_test/README.md
+++ b/tools/run_tests/stress_test/README.md
@@ -63,8 +63,8 @@
 The stress tests are launched by the following script (path is relative to GRPC root directory) :

 `tools/run_tests/stress_test/run_stress_tests_on_gke.py`

 

-The script has several parameters and you can find out more details by using the `--help` flag.

-  - `<grpc_root_dir>$ tools/run_tests/stress_test/run_stress_tests_on_gke.py --help`

+You can find out more details by using the `--help` flag.

+  - `<grpc_root_dir>$ tools/run_tests/stress_test/run_on_gke.py --help`

 

 > **Example**

 > ```bash

diff --git a/tools/run_tests/stress_test/STRESS_CLIENT_SPEC.md b/tools/run_tests/stress_test/STRESS_CLIENT_SPEC.md
index cebe5460b1..f9b1667280 100644
--- a/tools/run_tests/stress_test/STRESS_CLIENT_SPEC.md
+++ b/tools/run_tests/stress_test/STRESS_CLIENT_SPEC.md
@@ -6,14 +6,14 @@ This document specifies the features a stress test client should implement in or
 --------------

 **1.** A stress test client should be able to repeatedly execute one or more of the existing 'interop test cases'. It may just be a wrapper around the existing interop test client. The exact command line arguments the client should support are listed in _Table 1_ below.

 

-**2.** The stress test client must implement a metrics server defined by _[metrics.proto](https://github.com/grpc/grpc/blob/master/src/proto/grpc/testing/metrics.proto)_ and must expose _qps_ as a long-valued Gauge. The client can track the overall _qps_ in one Gauge or in multiple Gagues (for example: One per Channel or Stub). 

+**2.** The stress test client must implement a metrics server defined by _[metrics.proto](https://github.com/grpc/grpc/blob/master/src/proto/grpc/testing/metrics.proto)_ and must expose _qps_ as a long-valued Gauge. The client can track the overall _qps_ in one Gauge or in multiple Gauges (for example: One per Channel or Stub).

  The framework periodically queries the _qps_ by calling the `GetAllGauges()` method (the framework assumes that all the returned Gauges are _qps_ Gauges) and uses this to determine if the stress test client is running or crashed or stalled.

 > *Note:* In this context, the term  _**qps**_  means _interop test cases per second_  (not _messages per second_ or _rpc calls per second_)

 

 

 **Table 1:** Command line arguments that should be supported by the stress test client.

 

->_**Note** The current C++ [stress client](https://github.com/grpc/grpc/blob/master/test/cpp/interop/stress_test.cc) supports more flags than those listed here but those flags will soon be deprecated_|

+>_**Note** The current C++ [stress client](https://github.com/grpc/grpc/blob/master/test/cpp/interop/stress_test.cc) supports more flags than those listed here but those flags will soon be deprecated._

 

 Parameter             |                    Description

 ----------------------|---------------------------------

diff --git a/tools/run_tests/stress_test/run_on_gke.py b/tools/run_tests/stress_test/run_on_gke.py
index 6a173cc0f5..9d4ac7ac58 100755
--- a/tools/run_tests/stress_test/run_on_gke.py
+++ b/tools/run_tests/stress_test/run_on_gke.py
@@ -633,4 +633,5 @@ if __name__ == '__main__':
       os.path.dirname(sys.argv[0]), '../../..'))
   os.chdir(grpc_root)
 
-  run_tests(config)
+  if not run_tests(config):
+    sys.exit(1)
diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index 3f949b72bd..795b13d5ce 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -8110,1190 +8110,6 @@
       "bad_hostname"
     ], 
     "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "binary_metadata"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "call_creds"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_after_accept"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_after_client_done"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_after_invoke"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_before_invoke"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_in_a_vacuum"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_with_status"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "compressed_payload"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "connectivity"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "default_host"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "disappearing_server"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "empty_batch"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "graceful_server_shutdown"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "high_initial_seqno"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "hpack_size"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "idempotent_request"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "invoke_large_request"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "large_metadata"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "max_concurrent_streams"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "max_message_length"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "negative_deadline"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "no_op"
-    ], 
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       "windows", 
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       "mac", 
@@ -14323,598 +13139,6 @@
       "bad_hostname"
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-    "language": "c", 
-    "name": "h2_ssl+poll_test", 
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-  {
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-      "bad_hostname"
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-    "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
@@ -16286,582 +14510,6 @@
       "bad_hostname"
     ], 
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-      "linux"
-    ], 
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-    "name": "h2_uds+poll_test", 
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       "mac", 
@@ -19814,1158 +17462,6 @@
       "bad_hostname"
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       "mac", 
@@ -24995,566 +21491,6 @@
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-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
       "test/core/transport/chttp2/hpack_parser_corpus/0141fcddc9807ee093313b2256f1306fbbdc6cda"
     ], 
     "ci_platforms": [