Merge branch 'master' into fixbazel

26 files changed, 1167 insertions, 861 deletions

diff --git a/tools/distrib/python/grpcio_tools/protoc_lib_deps.py b/tools/distrib/python/grpcio_tools/protoc_lib_deps.py
index 7e8cd987d5..c2aa6198b3 100644
--- a/tools/distrib/python/grpcio_tools/protoc_lib_deps.py
+++ b/tools/distrib/python/grpcio_tools/protoc_lib_deps.py
@@ -29,7 +29,7 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 # AUTO-GENERATED BY make_grpcio_tools.py!
-CC_FILES=['google/protobuf/compiler/zip_writer.cc', 'google/protobuf/compiler/subprocess.cc', 'google/protobuf/compiler/ruby/ruby_generator.cc', 'google/protobuf/compiler/python/python_generator.cc', 'google/protobuf/compiler/plugin.pb.cc', 'google/protobuf/compiler/plugin.cc', 'google/protobuf/compiler/php/php_generator.cc', 'google/protobuf/compiler/objectivec/objectivec_primitive_field.cc', 'google/protobuf/compiler/objectivec/objectivec_oneof.cc', 'google/protobuf/compiler/objectivec/objectivec_message_field.cc', 'google/protobuf/compiler/objectivec/objectivec_message.cc', 'google/protobuf/compiler/objectivec/objectivec_map_field.cc', 'google/protobuf/compiler/objectivec/objectivec_helpers.cc', 'google/protobuf/compiler/objectivec/objectivec_generator.cc', 'google/protobuf/compiler/objectivec/objectivec_file.cc', 'google/protobuf/compiler/objectivec/objectivec_field.cc', 'google/protobuf/compiler/objectivec/objectivec_extension.cc', 'google/protobuf/compiler/objectivec/objectivec_enum_field.cc', 'google/protobuf/compiler/objectivec/objectivec_enum.cc', 'google/protobuf/compiler/js/well_known_types_embed.cc', 'google/protobuf/compiler/js/js_generator.cc', 'google/protobuf/compiler/javanano/javanano_primitive_field.cc', 'google/protobuf/compiler/javanano/javanano_message_field.cc', 'google/protobuf/compiler/javanano/javanano_message.cc', 'google/protobuf/compiler/javanano/javanano_map_field.cc', 'google/protobuf/compiler/javanano/javanano_helpers.cc', 'google/protobuf/compiler/javanano/javanano_generator.cc', 'google/protobuf/compiler/javanano/javanano_file.cc', 'google/protobuf/compiler/javanano/javanano_field.cc', 'google/protobuf/compiler/javanano/javanano_extension.cc', 'google/protobuf/compiler/javanano/javanano_enum_field.cc', 'google/protobuf/compiler/javanano/javanano_enum.cc', 'google/protobuf/compiler/java/java_string_field_lite.cc', 'google/protobuf/compiler/java/java_string_field.cc', 'google/protobuf/compiler/java/java_shared_code_generator.cc', 'google/protobuf/compiler/java/java_service.cc', 'google/protobuf/compiler/java/java_primitive_field_lite.cc', 'google/protobuf/compiler/java/java_primitive_field.cc', 'google/protobuf/compiler/java/java_name_resolver.cc', 'google/protobuf/compiler/java/java_message_lite.cc', 'google/protobuf/compiler/java/java_message_field_lite.cc', 'google/protobuf/compiler/java/java_message_field.cc', 'google/protobuf/compiler/java/java_message_builder_lite.cc', 'google/protobuf/compiler/java/java_message_builder.cc', 'google/protobuf/compiler/java/java_message.cc', 'google/protobuf/compiler/java/java_map_field_lite.cc', 'google/protobuf/compiler/java/java_map_field.cc', 'google/protobuf/compiler/java/java_lazy_message_field_lite.cc', 'google/protobuf/compiler/java/java_lazy_message_field.cc', 'google/protobuf/compiler/java/java_helpers.cc', 'google/protobuf/compiler/java/java_generator_factory.cc', 'google/protobuf/compiler/java/java_generator.cc', 'google/protobuf/compiler/java/java_file.cc', 'google/protobuf/compiler/java/java_field.cc', 'google/protobuf/compiler/java/java_extension_lite.cc', 'google/protobuf/compiler/java/java_extension.cc', 'google/protobuf/compiler/java/java_enum_lite.cc', 'google/protobuf/compiler/java/java_enum_field_lite.cc', 'google/protobuf/compiler/java/java_enum_field.cc', 'google/protobuf/compiler/java/java_enum.cc', 'google/protobuf/compiler/java/java_doc_comment.cc', 'google/protobuf/compiler/java/java_context.cc', 'google/protobuf/compiler/csharp/csharp_wrapper_field.cc', 'google/protobuf/compiler/csharp/csharp_source_generator_base.cc', 'google/protobuf/compiler/csharp/csharp_repeated_primitive_field.cc', 'google/protobuf/compiler/csharp/csharp_repeated_message_field.cc', 'google/protobuf/compiler/csharp/csharp_repeated_enum_field.cc', 'google/protobuf/compiler/csharp/csharp_reflection_class.cc', 'google/protobuf/compiler/csharp/csharp_primitive_field.cc', 'google/protobuf/compiler/csharp/csharp_message_field.cc', 'google/protobuf/compiler/csharp/csharp_message.cc', 'google/protobuf/compiler/csharp/csharp_map_field.cc', 'google/protobuf/compiler/csharp/csharp_helpers.cc', 'google/protobuf/compiler/csharp/csharp_generator.cc', 'google/protobuf/compiler/csharp/csharp_field_base.cc', 'google/protobuf/compiler/csharp/csharp_enum_field.cc', 'google/protobuf/compiler/csharp/csharp_enum.cc', 'google/protobuf/compiler/csharp/csharp_doc_comment.cc', 'google/protobuf/compiler/cpp/cpp_string_field.cc', 'google/protobuf/compiler/cpp/cpp_service.cc', 'google/protobuf/compiler/cpp/cpp_primitive_field.cc', 'google/protobuf/compiler/cpp/cpp_message_field.cc', 'google/protobuf/compiler/cpp/cpp_message.cc', 'google/protobuf/compiler/cpp/cpp_map_field.cc', 'google/protobuf/compiler/cpp/cpp_helpers.cc', 'google/protobuf/compiler/cpp/cpp_generator.cc', 'google/protobuf/compiler/cpp/cpp_file.cc', 'google/protobuf/compiler/cpp/cpp_field.cc', 'google/protobuf/compiler/cpp/cpp_extension.cc', 'google/protobuf/compiler/cpp/cpp_enum_field.cc', 'google/protobuf/compiler/cpp/cpp_enum.cc', 'google/protobuf/compiler/command_line_interface.cc', 'google/protobuf/compiler/code_generator.cc', 'google/protobuf/wrappers.pb.cc', 'google/protobuf/wire_format.cc', 'google/protobuf/util/type_resolver_util.cc', 'google/protobuf/util/time_util.cc', 'google/protobuf/util/message_differencer.cc', 'google/protobuf/util/json_util.cc', 'google/protobuf/util/internal/utility.cc', 'google/protobuf/util/internal/type_info_test_helper.cc', 'google/protobuf/util/internal/type_info.cc', 'google/protobuf/util/internal/protostream_objectwriter.cc', 'google/protobuf/util/internal/protostream_objectsource.cc', 'google/protobuf/util/internal/proto_writer.cc', 'google/protobuf/util/internal/object_writer.cc', 'google/protobuf/util/internal/json_stream_parser.cc', 'google/protobuf/util/internal/json_objectwriter.cc', 'google/protobuf/util/internal/json_escaping.cc', 'google/protobuf/util/internal/field_mask_utility.cc', 'google/protobuf/util/internal/error_listener.cc', 'google/protobuf/util/internal/default_value_objectwriter.cc', 'google/protobuf/util/internal/datapiece.cc', 'google/protobuf/util/field_mask_util.cc', 'google/protobuf/util/field_comparator.cc', 'google/protobuf/util/delimited_message_util.cc', 'google/protobuf/unknown_field_set.cc', 'google/protobuf/type.pb.cc', 'google/protobuf/timestamp.pb.cc', 'google/protobuf/text_format.cc', 'google/protobuf/stubs/substitute.cc', 'google/protobuf/stubs/mathlimits.cc', 'google/protobuf/struct.pb.cc', 'google/protobuf/source_context.pb.cc', 'google/protobuf/service.cc', 'google/protobuf/reflection_ops.cc', 'google/protobuf/message.cc', 'google/protobuf/map_field.cc', 'google/protobuf/io/zero_copy_stream_impl.cc', 'google/protobuf/io/tokenizer.cc', 'google/protobuf/io/strtod.cc', 'google/protobuf/io/printer.cc', 'google/protobuf/io/gzip_stream.cc', 'google/protobuf/generated_message_reflection.cc', 'google/protobuf/field_mask.pb.cc', 'google/protobuf/extension_set_heavy.cc', 'google/protobuf/empty.pb.cc', 'google/protobuf/dynamic_message.cc', 'google/protobuf/duration.pb.cc', 'google/protobuf/descriptor_database.cc', 'google/protobuf/descriptor.pb.cc', 'google/protobuf/descriptor.cc', 'google/protobuf/compiler/parser.cc', 'google/protobuf/compiler/importer.cc', 'google/protobuf/api.pb.cc', 'google/protobuf/any.pb.cc', 'google/protobuf/any.cc', 'google/protobuf/wire_format_lite.cc', 'google/protobuf/stubs/time.cc', 'google/protobuf/stubs/strutil.cc', 'google/protobuf/stubs/structurally_valid.cc', 'google/protobuf/stubs/stringprintf.cc', 'google/protobuf/stubs/stringpiece.cc', 'google/protobuf/stubs/statusor.cc', 'google/protobuf/stubs/status.cc', 'google/protobuf/stubs/once.cc', 'google/protobuf/stubs/int128.cc', 'google/protobuf/stubs/common.cc', 'google/protobuf/stubs/bytestream.cc', 'google/protobuf/stubs/atomicops_internals_x86_msvc.cc', 'google/protobuf/stubs/atomicops_internals_x86_gcc.cc', 'google/protobuf/repeated_field.cc', 'google/protobuf/message_lite.cc', 'google/protobuf/io/zero_copy_stream_impl_lite.cc', 'google/protobuf/io/zero_copy_stream.cc', 'google/protobuf/io/coded_stream.cc', 'google/protobuf/generated_message_util.cc', 'google/protobuf/extension_set.cc', 'google/protobuf/arenastring.cc', 'google/protobuf/arena.cc', 'google/protobuf/compiler/js/embed.cc']
+CC_FILES=['google/protobuf/compiler/zip_writer.cc', 'google/protobuf/compiler/subprocess.cc', 'google/protobuf/compiler/ruby/ruby_generator.cc', 'google/protobuf/compiler/python/python_generator.cc', 'google/protobuf/compiler/plugin.pb.cc', 'google/protobuf/compiler/plugin.cc', 'google/protobuf/compiler/php/php_generator.cc', 'google/protobuf/compiler/objectivec/objectivec_primitive_field.cc', 'google/protobuf/compiler/objectivec/objectivec_oneof.cc', 'google/protobuf/compiler/objectivec/objectivec_message_field.cc', 'google/protobuf/compiler/objectivec/objectivec_message.cc', 'google/protobuf/compiler/objectivec/objectivec_map_field.cc', 'google/protobuf/compiler/objectivec/objectivec_helpers.cc', 'google/protobuf/compiler/objectivec/objectivec_generator.cc', 'google/protobuf/compiler/objectivec/objectivec_file.cc', 'google/protobuf/compiler/objectivec/objectivec_field.cc', 'google/protobuf/compiler/objectivec/objectivec_extension.cc', 'google/protobuf/compiler/objectivec/objectivec_enum_field.cc', 'google/protobuf/compiler/objectivec/objectivec_enum.cc', 'google/protobuf/compiler/js/well_known_types_embed.cc', 'google/protobuf/compiler/js/js_generator.cc', 'google/protobuf/compiler/javanano/javanano_primitive_field.cc', 'google/protobuf/compiler/javanano/javanano_message_field.cc', 'google/protobuf/compiler/javanano/javanano_message.cc', 'google/protobuf/compiler/javanano/javanano_map_field.cc', 'google/protobuf/compiler/javanano/javanano_helpers.cc', 'google/protobuf/compiler/javanano/javanano_generator.cc', 'google/protobuf/compiler/javanano/javanano_file.cc', 'google/protobuf/compiler/javanano/javanano_field.cc', 'google/protobuf/compiler/javanano/javanano_extension.cc', 'google/protobuf/compiler/javanano/javanano_enum_field.cc', 'google/protobuf/compiler/javanano/javanano_enum.cc', 'google/protobuf/compiler/java/java_string_field_lite.cc', 'google/protobuf/compiler/java/java_string_field.cc', 'google/protobuf/compiler/java/java_shared_code_generator.cc', 'google/protobuf/compiler/java/java_service.cc', 'google/protobuf/compiler/java/java_primitive_field_lite.cc', 'google/protobuf/compiler/java/java_primitive_field.cc', 'google/protobuf/compiler/java/java_name_resolver.cc', 'google/protobuf/compiler/java/java_message_lite.cc', 'google/protobuf/compiler/java/java_message_field_lite.cc', 'google/protobuf/compiler/java/java_message_field.cc', 'google/protobuf/compiler/java/java_message_builder_lite.cc', 'google/protobuf/compiler/java/java_message_builder.cc', 'google/protobuf/compiler/java/java_message.cc', 'google/protobuf/compiler/java/java_map_field_lite.cc', 'google/protobuf/compiler/java/java_map_field.cc', 'google/protobuf/compiler/java/java_lazy_message_field_lite.cc', 'google/protobuf/compiler/java/java_lazy_message_field.cc', 'google/protobuf/compiler/java/java_helpers.cc', 'google/protobuf/compiler/java/java_generator_factory.cc', 'google/protobuf/compiler/java/java_generator.cc', 'google/protobuf/compiler/java/java_file.cc', 'google/protobuf/compiler/java/java_field.cc', 'google/protobuf/compiler/java/java_extension_lite.cc', 'google/protobuf/compiler/java/java_extension.cc', 'google/protobuf/compiler/java/java_enum_lite.cc', 'google/protobuf/compiler/java/java_enum_field_lite.cc', 'google/protobuf/compiler/java/java_enum_field.cc', 'google/protobuf/compiler/java/java_enum.cc', 'google/protobuf/compiler/java/java_doc_comment.cc', 'google/protobuf/compiler/java/java_context.cc', 'google/protobuf/compiler/csharp/csharp_wrapper_field.cc', 'google/protobuf/compiler/csharp/csharp_source_generator_base.cc', 'google/protobuf/compiler/csharp/csharp_repeated_primitive_field.cc', 'google/protobuf/compiler/csharp/csharp_repeated_message_field.cc', 'google/protobuf/compiler/csharp/csharp_repeated_enum_field.cc', 'google/protobuf/compiler/csharp/csharp_reflection_class.cc', 'google/protobuf/compiler/csharp/csharp_primitive_field.cc', 'google/protobuf/compiler/csharp/csharp_message_field.cc', 'google/protobuf/compiler/csharp/csharp_message.cc', 'google/protobuf/compiler/csharp/csharp_map_field.cc', 'google/protobuf/compiler/csharp/csharp_helpers.cc', 'google/protobuf/compiler/csharp/csharp_generator.cc', 'google/protobuf/compiler/csharp/csharp_field_base.cc', 'google/protobuf/compiler/csharp/csharp_enum_field.cc', 'google/protobuf/compiler/csharp/csharp_enum.cc', 'google/protobuf/compiler/csharp/csharp_doc_comment.cc', 'google/protobuf/compiler/cpp/cpp_string_field.cc', 'google/protobuf/compiler/cpp/cpp_service.cc', 'google/protobuf/compiler/cpp/cpp_primitive_field.cc', 'google/protobuf/compiler/cpp/cpp_message_field.cc', 'google/protobuf/compiler/cpp/cpp_message.cc', 'google/protobuf/compiler/cpp/cpp_map_field.cc', 'google/protobuf/compiler/cpp/cpp_helpers.cc', 'google/protobuf/compiler/cpp/cpp_generator.cc', 'google/protobuf/compiler/cpp/cpp_file.cc', 'google/protobuf/compiler/cpp/cpp_field.cc', 'google/protobuf/compiler/cpp/cpp_extension.cc', 'google/protobuf/compiler/cpp/cpp_enum_field.cc', 'google/protobuf/compiler/cpp/cpp_enum.cc', 'google/protobuf/compiler/command_line_interface.cc', 'google/protobuf/compiler/code_generator.cc', 'google/protobuf/wrappers.pb.cc', 'google/protobuf/wire_format.cc', 'google/protobuf/util/type_resolver_util.cc', 'google/protobuf/util/time_util.cc', 'google/protobuf/util/message_differencer.cc', 'google/protobuf/util/json_util.cc', 'google/protobuf/util/internal/utility.cc', 'google/protobuf/util/internal/type_info_test_helper.cc', 'google/protobuf/util/internal/type_info.cc', 'google/protobuf/util/internal/protostream_objectwriter.cc', 'google/protobuf/util/internal/protostream_objectsource.cc', 'google/protobuf/util/internal/proto_writer.cc', 'google/protobuf/util/internal/object_writer.cc', 'google/protobuf/util/internal/json_stream_parser.cc', 'google/protobuf/util/internal/json_objectwriter.cc', 'google/protobuf/util/internal/json_escaping.cc', 'google/protobuf/util/internal/field_mask_utility.cc', 'google/protobuf/util/internal/error_listener.cc', 'google/protobuf/util/internal/default_value_objectwriter.cc', 'google/protobuf/util/internal/datapiece.cc', 'google/protobuf/util/field_mask_util.cc', 'google/protobuf/util/field_comparator.cc', 'google/protobuf/unknown_field_set.cc', 'google/protobuf/type.pb.cc', 'google/protobuf/timestamp.pb.cc', 'google/protobuf/text_format.cc', 'google/protobuf/stubs/substitute.cc', 'google/protobuf/stubs/mathlimits.cc', 'google/protobuf/struct.pb.cc', 'google/protobuf/source_context.pb.cc', 'google/protobuf/service.cc', 'google/protobuf/reflection_ops.cc', 'google/protobuf/message.cc', 'google/protobuf/map_field.cc', 'google/protobuf/io/zero_copy_stream_impl.cc', 'google/protobuf/io/tokenizer.cc', 'google/protobuf/io/strtod.cc', 'google/protobuf/io/printer.cc', 'google/protobuf/io/gzip_stream.cc', 'google/protobuf/generated_message_reflection.cc', 'google/protobuf/field_mask.pb.cc', 'google/protobuf/extension_set_heavy.cc', 'google/protobuf/empty.pb.cc', 'google/protobuf/dynamic_message.cc', 'google/protobuf/duration.pb.cc', 'google/protobuf/descriptor_database.cc', 'google/protobuf/descriptor.pb.cc', 'google/protobuf/descriptor.cc', 'google/protobuf/compiler/parser.cc', 'google/protobuf/compiler/importer.cc', 'google/protobuf/api.pb.cc', 'google/protobuf/any.pb.cc', 'google/protobuf/any.cc', 'google/protobuf/wire_format_lite.cc', 'google/protobuf/stubs/time.cc', 'google/protobuf/stubs/strutil.cc', 'google/protobuf/stubs/structurally_valid.cc', 'google/protobuf/stubs/stringprintf.cc', 'google/protobuf/stubs/stringpiece.cc', 'google/protobuf/stubs/statusor.cc', 'google/protobuf/stubs/status.cc', 'google/protobuf/stubs/once.cc', 'google/protobuf/stubs/int128.cc', 'google/protobuf/stubs/common.cc', 'google/protobuf/stubs/bytestream.cc', 'google/protobuf/stubs/atomicops_internals_x86_msvc.cc', 'google/protobuf/stubs/atomicops_internals_x86_gcc.cc', 'google/protobuf/repeated_field.cc', 'google/protobuf/message_lite.cc', 'google/protobuf/io/zero_copy_stream_impl_lite.cc', 'google/protobuf/io/zero_copy_stream.cc', 'google/protobuf/io/coded_stream.cc', 'google/protobuf/generated_message_util.cc', 'google/protobuf/extension_set.cc', 'google/protobuf/arenastring.cc', 'google/protobuf/arena.cc', 'google/protobuf/compiler/js/embed.cc']
 PROTO_FILES=['google/protobuf/wrappers.proto', 'google/protobuf/type.proto', 'google/protobuf/timestamp.proto', 'google/protobuf/struct.proto', 'google/protobuf/source_context.proto', 'google/protobuf/field_mask.proto', 'google/protobuf/empty.proto', 'google/protobuf/duration.proto', 'google/protobuf/descriptor.proto', 'google/protobuf/compiler/plugin.proto', 'google/protobuf/api.proto', 'google/protobuf/any.proto']
 
 CC_INCLUDE='third_party/protobuf/src'
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 02e811f664..82b96e086e 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/lib src/core/tsi src/core/ext src/cpp test/core test/cpp include src/compiler"
+DIRS="src/core/lib src/core/tsi src/core/ext src/cpp test/core test/cpp include src/compiler src/node src/csharp src/ruby"
 
 # file matching patterns to check
 GLOB="*.h *.c *.cc"
diff --git a/tools/doxygen/Doxyfile.c++ b/tools/doxygen/Doxyfile.c++
index 1864dd9e90..1d2aa95955 100644
--- a/tools/doxygen/Doxyfile.c++
+++ b/tools/doxygen/Doxyfile.c++
@@ -835,7 +835,6 @@ include/grpc++/impl/codegen/service_type.h \
 include/grpc++/impl/codegen/slice.h \
 include/grpc++/impl/codegen/status.h \
 include/grpc++/impl/codegen/status_code_enum.h \
-include/grpc++/impl/codegen/status_helper.h \
 include/grpc++/impl/codegen/string_ref.h \
 include/grpc++/impl/codegen/stub_options.h \
 include/grpc++/impl/codegen/sync_stream.h \
diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index ca3514bc61..88a9736d5b 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -836,7 +836,6 @@ include/grpc++/impl/codegen/service_type.h \
 include/grpc++/impl/codegen/slice.h \
 include/grpc++/impl/codegen/status.h \
 include/grpc++/impl/codegen/status_code_enum.h \
-include/grpc++/impl/codegen/status_helper.h \
 include/grpc++/impl/codegen/string_ref.h \
 include/grpc++/impl/codegen/stub_options.h \
 include/grpc++/impl/codegen/sync_stream.h \
diff --git a/tools/grift/README.md b/tools/grift/README.md
index 7cbbdc567b..2b5fa5ae14 100644
--- a/tools/grift/README.md
+++ b/tools/grift/README.md
@@ -1,6 +1,4 @@
-Copyright 2016 Google Inc.
-
-#Documentation
+# Documentation
 
 grift is integration of [Apache Thrift](https://github.com/apache/thrift.git) Serializer with gRPC.
 
@@ -8,19 +6,19 @@ This integration allows you to use grpc to send thrift messages in C++ and java.
 
 grift uses Compact Protocol to serialize thrift messages. 
 
-##generating grpc plugins for thrift services
+## generating grpc plugins for thrift services
 
-###CPP
+### C++
 ```sh
  $ thrift --gen cpp <thrift-file>
 ```
 
-###JAVA
+### Java
 ```sh
  $ thrift --gen java <thrift-file>
 ```
 
-#Installation
+# Installation
 
 Before Installing thrift make sure to apply this [patch](grpc_plugins_generator.patch) to third_party/thrift.
 Go to third_party/thrift and follow the [INSTALLATION](https://github.com/apache/thrift.git) instructions to install thrift with commit id bcad91771b7f0bff28a1cac1981d7ef2b9bcef3c.
\ No newline at end of file
diff --git a/tools/grpcz/BUILD b/tools/grpcz/BUILD
index 5e1faf7064..cc887a5375 100644
--- a/tools/grpcz/BUILD
+++ b/tools/grpcz/BUILD
@@ -33,31 +33,31 @@ package(default_visibility = ["//visibility:public"])
 
 load("//:bazel/grpc_build_system.bzl", "grpc_proto_library")
 
-grpc_proto_library (
+grpc_proto_library(
     name = "monitoring_proto",
     srcs = [
         "monitoring.proto",
     ],
+    well_known_protos = "@com_google_protobuf//:well_known_protos",
     deps = [
         ":census_proto",
     ],
-    well_known_protos = "@submodule_protobuf//:well_known_protos",
 )
 
-grpc_proto_library (
+grpc_proto_library(
     name = "census_proto",
     srcs = [
         "census.proto",
     ],
-    well_known_protos = "@submodule_protobuf//:well_known_protos",
+    well_known_protos = "@com_google_protobuf//:well_known_protos",
 )
 
 cc_binary(
     name = "grpcz_client",
-    srcs = ["grpcz_client.cc",],
+    srcs = ["grpcz_client.cc"],
     deps = [
-        "//external:gflags",
         "monitoring_proto",
+        "//external:gflags",
         "@mongoose_repo//:mongoose_lib",
     ],
 )
diff --git a/tools/grpcz/grpcz_client.cc b/tools/grpcz/grpcz_client.cc
index 47eec8dfc3..a5e66f7b54 100644
--- a/tools/grpcz/grpcz_client.cc
+++ b/tools/grpcz/grpcz_client.cc
@@ -38,7 +38,7 @@
 #include <grpc/support/log.h>
 
 #include "gflags/gflags.h"
-#include "mongoose.h"
+/* #include "mongoose.h" */
 
 // TODO (makdharma): remove local copies of these protos
 #include "tools/grpcz/census.grpc.pb.h"
@@ -122,8 +122,9 @@ class GrpczClient {
   std::unique_ptr<Monitoring::Stub> stub_;
 };
 
-static struct mg_serve_http_opts s_http_server_opts;
 std::unique_ptr<GrpczClient> g_grpcz_client;
+/*
+static struct mg_serve_http_opts s_http_server_opts;
 
 static void ev_handler(struct mg_connection *nc, int ev, void *p) {
   if (ev == MG_EV_HTTP_REQUEST) {
@@ -141,6 +142,7 @@ static void grpcz_handler(struct mg_connection *nc, int ev, void *ev_data) {
   mg_printf(nc, "HTTP/1.0 200 OK\r\n\r\n%s", rendered_html.c_str());
   nc->flags |= MG_F_SEND_AND_CLOSE;
 }
+*/
 
 int main(int argc, char **argv) {
   gflags::ParseCommandLineFlags(&argc, &argv, true);
@@ -156,6 +158,7 @@ int main(int argc, char **argv) {
     return 0;
   }
 
+  /*
   // Set up a mongoose webserver handler
   struct mg_mgr mgr;
   mg_mgr_init(&mgr, NULL);
@@ -177,5 +180,6 @@ int main(int argc, char **argv) {
     mg_mgr_poll(&mgr, k_sleep_millis);
   }
   mg_mgr_free(&mgr);
+  */
   return 0;
 }
diff --git a/tools/jenkins/run_c_cpp_test.sh b/tools/jenkins/run_c_cpp_test.sh
new file mode 100755
index 0000000000..a7e574518e
--- /dev/null
+++ b/tools/jenkins/run_c_cpp_test.sh
@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+# Copyright 2017, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# This script is invoked by a Jenkins pull request job and executes all
+# args passed to this script if the pull request affect C/C++ code
+set -ex
+
+# Enter the gRPC repo root
+cd $(dirname $0)/../..
+
+AFFECTS_C_CPP=`python -c 'import sys; \
+               sys.path.insert(0, "tools/run_tests/python_utils"); \
+               import filter_pull_request_tests as filter; \
+               print(filter.affects_c_cpp("origin/$ghprbTargetBranch"))'`
+
+if [ $AFFECTS_C_CPP == "False" ] ; then
+  echo "This pull request does not affect C/C++. Tests do not need to be run."
+else
+  $@
+fi
diff --git a/tools/jenkins/run_interop_objc.sh b/tools/jenkins/run_interop_objc.sh
new file mode 100755
index 0000000000..29f9ac989c
--- /dev/null
+++ b/tools/jenkins/run_interop_objc.sh
@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+# Copyright 2017, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# This script is invoked by Jenkins and runs interop test suite.
+set -ex
+
+export LANG=en_US.UTF-8
+
+# Enter the gRPC repo root
+cd $(dirname $0)/../..
+
+tools/run_tests/run_interop_tests.py -l objc -s all --use_docker -t -j 1 $@ || true
diff --git a/tools/profiling/microbenchmarks/bm2bq.py b/tools/profiling/microbenchmarks/bm2bq.py
index ffb11f57d8..99cf4a558c 100755
--- a/tools/profiling/microbenchmarks/bm2bq.py
+++ b/tools/profiling/microbenchmarks/bm2bq.py
@@ -71,6 +71,7 @@ columns = [
   ('end_of_stream', 'boolean'),
   ('header_bytes_per_iteration', 'float'),
   ('framing_bytes_per_iteration', 'float'),
+  ('nows_per_iteration', 'float'),
 ]
 
 SANITIZE = {
@@ -103,4 +104,3 @@ for row in bm_json.expand_json(js, js2):
       if row[name] == '': continue
       sane_row[name] = SANITIZE[sql_type](row[name])
   writer.writerow(sane_row)
-
diff --git a/tools/profiling/microbenchmarks/bm_diff.py b/tools/profiling/microbenchmarks/bm_diff.py
index ba0c225f6c..6ee4cbfc7b 100755
--- a/tools/profiling/microbenchmarks/bm_diff.py
+++ b/tools/profiling/microbenchmarks/bm_diff.py
@@ -56,6 +56,7 @@ _INTERESTING = (
   'writes_per_iteration',
   'atm_cas_per_iteration',
   'atm_add_per_iteration',
+  'nows_per_iteration',
 )
 
 def changed_ratio(n, o):
@@ -98,7 +99,7 @@ argp.add_argument('-t', '--track',
 argp.add_argument('-b', '--benchmarks', nargs='+', choices=_AVAILABLE_BENCHMARK_TESTS, default=['bm_cq'])
 argp.add_argument('-d', '--diff_base', type=str)
 argp.add_argument('-r', '--repetitions', type=int, default=1)
-argp.add_argument('-l', '--loops', type=int, default=12)
+argp.add_argument('-l', '--loops', type=int, default=20)
 argp.add_argument('-j', '--jobs', type=int, default=multiprocessing.cpu_count())
 args = argp.parse_args()
 
@@ -192,52 +193,58 @@ class Benchmark:
     return [self.final[f] if f in self.final else '' for f in flds]
 
 
-def read_file(filename):
+def eintr_be_gone(fn):
+  """Run fn until it doesn't stop because of EINTR"""
   while True:
     try:
-      with open(filename) as f:
-        return f.read()
+      return fn()
     except IOError, e:
       if e.errno != errno.EINTR:
         raise
 
+
 def read_json(filename):
-  return json.loads(read_file(filename))
-
-benchmarks = collections.defaultdict(Benchmark)
-
-for bm in args.benchmarks:
-  for loop in range(0, args.loops):
-    js_new_ctr = read_json('%s.counters.new.%d.json' % (bm, loop))
-    js_new_opt = read_json('%s.opt.new.%d.json' % (bm, loop))
-    js_old_ctr = read_json('%s.counters.old.%d.json' % (bm, loop))
-    js_old_opt = read_json('%s.opt.old.%d.json' % (bm, loop))
-
-    for row in bm_json.expand_json(js_new_ctr, js_new_opt):
-      print row
-      name = row['cpp_name']
-      if name.endswith('_mean') or name.endswith('_stddev'): continue
-      benchmarks[name].add_sample(row, True)
-    for row in bm_json.expand_json(js_old_ctr, js_old_opt):
-      print row
-      name = row['cpp_name']
-      if name.endswith('_mean') or name.endswith('_stddev'): continue
-      benchmarks[name].add_sample(row, False)
-
-really_interesting = set()
-for name, bm in benchmarks.items():
-  print name
-  really_interesting.update(bm.process())
-fields = [f for f in args.track if f in really_interesting]
-
-headers = ['Benchmark'] + fields
-rows = []
-for name in sorted(benchmarks.keys()):
-  if benchmarks[name].skip(): continue
-  rows.append([name] + benchmarks[name].row(fields))
-if rows:
-  text = 'Performance differences noted:\n' + tabulate.tabulate(rows, headers=headers, floatfmt='+.2f')
-else:
-  text = 'No significant performance differences'
-comment_on_pr.comment_on_pr('```\n%s\n```' % text)
-print text
+  with open(filename) as f: return json.loads(f.read())
+
+
+def finalize():
+  benchmarks = collections.defaultdict(Benchmark)
+
+  for bm in args.benchmarks:
+    for loop in range(0, args.loops):
+      js_new_ctr = read_json('%s.counters.new.%d.json' % (bm, loop))
+      js_new_opt = read_json('%s.opt.new.%d.json' % (bm, loop))
+      js_old_ctr = read_json('%s.counters.old.%d.json' % (bm, loop))
+      js_old_opt = read_json('%s.opt.old.%d.json' % (bm, loop))
+
+      for row in bm_json.expand_json(js_new_ctr, js_new_opt):
+        print row
+        name = row['cpp_name']
+        if name.endswith('_mean') or name.endswith('_stddev'): continue
+        benchmarks[name].add_sample(row, True)
+      for row in bm_json.expand_json(js_old_ctr, js_old_opt):
+        print row
+        name = row['cpp_name']
+        if name.endswith('_mean') or name.endswith('_stddev'): continue
+        benchmarks[name].add_sample(row, False)
+
+  really_interesting = set()
+  for name, bm in benchmarks.items():
+    print name
+    really_interesting.update(bm.process())
+  fields = [f for f in args.track if f in really_interesting]
+
+  headers = ['Benchmark'] + fields
+  rows = []
+  for name in sorted(benchmarks.keys()):
+    if benchmarks[name].skip(): continue
+    rows.append([name] + benchmarks[name].row(fields))
+  if rows:
+    text = 'Performance differences noted:\n' + tabulate.tabulate(rows, headers=headers, floatfmt='+.2f')
+  else:
+    text = 'No significant performance differences'
+  comment_on_pr.comment_on_pr('```\n%s\n```' % text)
+  print text
+
+
+eintr_be_gone(finalize)
diff --git a/tools/profiling/microbenchmarks/speedup.py b/tools/profiling/microbenchmarks/speedup.py
index 8f9023d2c8..8af0066c9d 100644
--- a/tools/profiling/microbenchmarks/speedup.py
+++ b/tools/profiling/microbenchmarks/speedup.py
@@ -30,7 +30,7 @@
 from scipy import stats
 import math
 
-_THRESHOLD = 0.0001
+_THRESHOLD = 1e-10
 
 def scale(a, mul):
   return [x*mul for x in a]
@@ -53,7 +53,7 @@ def speedup(new, old):
     return -(pct - 1)
   else:
     pct = 1
-    while pct < 101:
+    while pct < 100000:
       sp, pp = cmp(new, scale(old, 1 + pct/100.0))
       if sp < 0: break
       if pp > _THRESHOLD: break
diff --git a/tools/run_tests/README.md b/tools/run_tests/README.md
index e709ddd2c0..05d33fd6b1 100644
--- a/tools/run_tests/README.md
+++ b/tools/run_tests/README.md
@@ -1,44 +1,44 @@
-#Overview
+# Overview
 
 This directory contains scripts that facilitate building and running tests. We are using python scripts as entrypoint for our
 tests because that gives us the opportunity to run tests using the same commandline regardless of the platform you are using.
 
-#Unit tests (run_tests.py)
+# Unit tests (run_tests.py)
 
 Builds gRPC in given language and runs unit tests. Use `tools/run_tests/run_tests.py --help` for more help.
 
-######Example
+###### Example
 `tools/run_tests/run_tests.py -l csharp -c dbg`
 
-######Useful options (among many others)
+###### Useful options (among many others)
 - `--use_docker` Builds a docker container containing all the prerequisites for given language and runs the tests under that container.
 - `--build_only` Only build, do not run the tests.
 
-#Interop tests (run_interop_tests.py)
+# Interop tests (run_interop_tests.py)
 
 Runs tests for cross-platform/cross-language interoperability. For more details, see [Interop tests descriptions](/doc/interop-test-descriptions.md)
 The script is also capable of running interop tests for grpc-java and grpc-go, using sources checked out alongside the ones of the grpc repository.
 
-######Example
+###### Example
 `tools/run_tests/run_interop_tests.py -l csharp -s c++ --use_docker` (run interop tests with C# client and C++ server)
 
 Note: if you see an error like `no space left on device` when running the
 interop tests using Docker, make sure that Docker is building the image files in
 a location with sufficient disk space.
 
-#Performance benchmarks (run_performance_tests.py)
+# Performance benchmarks (run_performance_tests.py)
 
 Runs predefined benchmark scenarios for given languages. Besides the simple configuration of running all the scenarios locally,
 the script also supports orchestrating test runs with client and server running on different machines and uploading the results
 to BigQuery.
 
-######Example
+###### Example
 `tools/run_tests/run_peformance_tests.py -l c++ node`
 
-######Useful options
+###### Useful options
 - `--regex` use regex to select particular scenarios to run.
 
-#Stress tests (run_stress_tests.py)
+# Stress tests (run_stress_tests.py)
 
 Runs modified interop tests clients and servers under heavy load for an extended period of time to discover potential stability issues.
 The tests are internally using Kubernetes to run the client and server on GKE and upload statistics to BigQuery.
@@ -47,10 +47,10 @@ The tests are internally using Kubernetes to run the client and server on GKE an
 
 The directory `tools/run_tests/stress_test/configs/` contains the config files for several scenarios
 
-#Artifacts & Packages (task_runner.py)
+# Artifacts & Packages (task_runner.py)
 
 A generalized framework for running predefined tasks based on their labels. We use this to building binary artifacts & distrib packages and testing them)
 
-######Example
+###### Example
 `tools/run_tests/task_runner.py -f python artifact linux x64` (build tasks with labels `python`, `artifact`, `linux`, and `x64`)
 
diff --git a/tools/run_tests/artifacts/build_artifact_node.bat b/tools/run_tests/artifacts/build_artifact_node.bat
index 336a63b9f5..bfd4461f72 100644
--- a/tools/run_tests/artifacts/build_artifact_node.bat
+++ b/tools/run_tests/artifacts/build_artifact_node.bat
@@ -29,7 +29,7 @@
 
 set node_versions=4.0.0 5.0.0 6.0.0 7.0.0
 
-set electron_versions=1.0.0 1.1.0 1.2.0 1.3.0 1.4.0
+set electron_versions=1.0.0 1.1.0 1.2.0 1.3.0 1.4.0 1.5.0 1.6.0
 
 set PATH=%PATH%;C:\Program Files\nodejs\;%APPDATA%\npm
 
diff --git a/tools/run_tests/artifacts/build_artifact_node.sh b/tools/run_tests/artifacts/build_artifact_node.sh
index a33ab45ac2..2da2ac5f91 100755
--- a/tools/run_tests/artifacts/build_artifact_node.sh
+++ b/tools/run_tests/artifacts/build_artifact_node.sh
@@ -44,7 +44,7 @@ npm update
 
 node_versions=( 4.0.0 5.0.0 6.0.0 7.0.0 )
 
-electron_versions=( 1.0.0 1.1.0 1.2.0 1.3.0 1.4.0 )
+electron_versions=( 1.0.0 1.1.0 1.2.0 1.3.0 1.4.0 1.5.0 1.6.0 )
 
 for version in ${node_versions[@]}
 do
diff --git a/tools/run_tests/generated/configs.json b/tools/run_tests/generated/configs.json
index 93dd6fb3d4..abbe76d60c 100644
--- a/tools/run_tests/generated/configs.json
+++ b/tools/run_tests/generated/configs.json
@@ -39,6 +39,9 @@
     }
   }, 
   {
+    "config": "c++-compat"
+  }, 
+  {
     "config": "ubsan", 
     "environ": {
       "UBSAN_OPTIONS": "halt_on_error=1:print_stacktrace=1:suppressions=tools/ubsan_suppressions.txt"
diff --git a/tools/run_tests/generated/sources_and_headers.json b/tools/run_tests/generated/sources_and_headers.json
index aa4869e1c8..1f3bf7837f 100644
--- a/tools/run_tests/generated/sources_and_headers.json
+++ b/tools/run_tests/generated/sources_and_headers.json
@@ -1988,6 +1988,23 @@
     "headers": [], 
     "is_filegroup": false, 
     "language": "c", 
+    "name": "slice_hash_table_test", 
+    "src": [
+      "test/core/slice/slice_hash_table_test.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "is_filegroup": false, 
+    "language": "c", 
     "name": "slice_string_helpers_test", 
     "src": [
       "test/core/slice/slice_string_helpers_test.c"
@@ -2854,14 +2871,19 @@
     "headers": [
       "src/proto/grpc/testing/control.grpc.pb.h", 
       "src/proto/grpc/testing/control.pb.h", 
+      "src/proto/grpc/testing/control_mock.grpc.pb.h", 
       "src/proto/grpc/testing/messages.grpc.pb.h", 
       "src/proto/grpc/testing/messages.pb.h", 
+      "src/proto/grpc/testing/messages_mock.grpc.pb.h", 
       "src/proto/grpc/testing/payloads.grpc.pb.h", 
       "src/proto/grpc/testing/payloads.pb.h", 
+      "src/proto/grpc/testing/payloads_mock.grpc.pb.h", 
       "src/proto/grpc/testing/services.grpc.pb.h", 
       "src/proto/grpc/testing/services.pb.h", 
+      "src/proto/grpc/testing/services_mock.grpc.pb.h", 
       "src/proto/grpc/testing/stats.grpc.pb.h", 
-      "src/proto/grpc/testing/stats.pb.h"
+      "src/proto/grpc/testing/stats.pb.h", 
+      "src/proto/grpc/testing/stats_mock.grpc.pb.h"
     ], 
     "is_filegroup": false, 
     "language": "c++", 
@@ -2874,20 +2896,27 @@
   }, 
   {
     "deps": [
+      "gpr", 
+      "grpc", 
       "grpc++_codegen_base", 
       "grpc++_codegen_base_src"
     ], 
     "headers": [
       "src/proto/grpc/testing/control.grpc.pb.h", 
       "src/proto/grpc/testing/control.pb.h", 
+      "src/proto/grpc/testing/control_mock.grpc.pb.h", 
       "src/proto/grpc/testing/messages.grpc.pb.h", 
       "src/proto/grpc/testing/messages.pb.h", 
+      "src/proto/grpc/testing/messages_mock.grpc.pb.h", 
       "src/proto/grpc/testing/payloads.grpc.pb.h", 
       "src/proto/grpc/testing/payloads.pb.h", 
+      "src/proto/grpc/testing/payloads_mock.grpc.pb.h", 
       "src/proto/grpc/testing/services.grpc.pb.h", 
       "src/proto/grpc/testing/services.pb.h", 
+      "src/proto/grpc/testing/services_mock.grpc.pb.h", 
       "src/proto/grpc/testing/stats.grpc.pb.h", 
-      "src/proto/grpc/testing/stats.pb.h"
+      "src/proto/grpc/testing/stats.pb.h", 
+      "src/proto/grpc/testing/stats_mock.grpc.pb.h"
     ], 
     "is_filegroup": false, 
     "language": "c++", 
@@ -3008,7 +3037,8 @@
     ], 
     "headers": [
       "src/proto/grpc/testing/echo_messages.grpc.pb.h", 
-      "src/proto/grpc/testing/echo_messages.pb.h"
+      "src/proto/grpc/testing/echo_messages.pb.h", 
+      "src/proto/grpc/testing/echo_messages_mock.grpc.pb.h"
     ], 
     "is_filegroup": false, 
     "language": "c++", 
@@ -3065,7 +3095,8 @@
     ], 
     "headers": [
       "src/proto/grpc/testing/compiler_test.grpc.pb.h", 
-      "src/proto/grpc/testing/compiler_test.pb.h"
+      "src/proto/grpc/testing/compiler_test.pb.h", 
+      "src/proto/grpc/testing/compiler_test_mock.grpc.pb.h"
     ], 
     "is_filegroup": false, 
     "language": "c++", 
@@ -3210,7 +3241,9 @@
       "src/proto/grpc/testing/echo.grpc.pb.h", 
       "src/proto/grpc/testing/echo.pb.h", 
       "src/proto/grpc/testing/echo_messages.grpc.pb.h", 
-      "src/proto/grpc/testing/echo_messages.pb.h"
+      "src/proto/grpc/testing/echo_messages.pb.h", 
+      "src/proto/grpc/testing/echo_messages_mock.grpc.pb.h", 
+      "src/proto/grpc/testing/echo_mock.grpc.pb.h"
     ], 
     "is_filegroup": false, 
     "language": "c++", 
@@ -3230,7 +3263,8 @@
     ], 
     "headers": [
       "src/proto/grpc/lb/v1/load_balancer.grpc.pb.h", 
-      "src/proto/grpc/lb/v1/load_balancer.pb.h"
+      "src/proto/grpc/lb/v1/load_balancer.pb.h", 
+      "src/proto/grpc/lb/v1/load_balancer_mock.grpc.pb.h"
     ], 
     "is_filegroup": false, 
     "language": "c++", 
@@ -3252,7 +3286,8 @@
     ], 
     "headers": [
       "src/proto/grpc/lb/v1/load_balancer.grpc.pb.h", 
-      "src/proto/grpc/lb/v1/load_balancer.pb.h"
+      "src/proto/grpc/lb/v1/load_balancer.pb.h", 
+      "src/proto/grpc/lb/v1/load_balancer_mock.grpc.pb.h"
     ], 
     "is_filegroup": false, 
     "language": "c++", 
@@ -3407,6 +3442,7 @@
     "headers": [
       "src/proto/grpc/testing/metrics.grpc.pb.h", 
       "src/proto/grpc/testing/metrics.pb.h", 
+      "src/proto/grpc/testing/metrics_mock.grpc.pb.h", 
       "test/cpp/util/metrics_server.h"
     ], 
     "is_filegroup": false, 
@@ -3428,11 +3464,14 @@
       "grpc++_test_util", 
       "grpc_test_util"
     ], 
-    "headers": [], 
+    "headers": [
+      "include/grpc++/test/mock_stream.h"
+    ], 
     "is_filegroup": false, 
     "language": "c++", 
     "name": "mock_test", 
     "src": [
+      "include/grpc++/test/mock_stream.h", 
       "test/cpp/end2end/mock_test.cc"
     ], 
     "third_party": false, 
@@ -3591,10 +3630,13 @@
     "headers": [
       "src/proto/grpc/testing/empty.grpc.pb.h", 
       "src/proto/grpc/testing/empty.pb.h", 
+      "src/proto/grpc/testing/empty_mock.grpc.pb.h", 
       "src/proto/grpc/testing/messages.grpc.pb.h", 
       "src/proto/grpc/testing/messages.pb.h", 
+      "src/proto/grpc/testing/messages_mock.grpc.pb.h", 
       "src/proto/grpc/testing/test.grpc.pb.h", 
-      "src/proto/grpc/testing/test.pb.h"
+      "src/proto/grpc/testing/test.pb.h", 
+      "src/proto/grpc/testing/test_mock.grpc.pb.h"
     ], 
     "is_filegroup": false, 
     "language": "c++", 
@@ -3620,10 +3662,13 @@
     "headers": [
       "src/proto/grpc/testing/empty.grpc.pb.h", 
       "src/proto/grpc/testing/empty.pb.h", 
+      "src/proto/grpc/testing/empty_mock.grpc.pb.h", 
       "src/proto/grpc/testing/messages.grpc.pb.h", 
       "src/proto/grpc/testing/messages.pb.h", 
+      "src/proto/grpc/testing/messages_mock.grpc.pb.h", 
       "src/proto/grpc/testing/test.grpc.pb.h", 
-      "src/proto/grpc/testing/test.pb.h"
+      "src/proto/grpc/testing/test.pb.h", 
+      "src/proto/grpc/testing/test_mock.grpc.pb.h"
     ], 
     "is_filegroup": false, 
     "language": "c++", 
@@ -3724,7 +3769,9 @@
       "src/proto/grpc/testing/echo.grpc.pb.h", 
       "src/proto/grpc/testing/echo.pb.h", 
       "src/proto/grpc/testing/echo_messages.grpc.pb.h", 
-      "src/proto/grpc/testing/echo_messages.pb.h"
+      "src/proto/grpc/testing/echo_messages.pb.h", 
+      "src/proto/grpc/testing/echo_messages_mock.grpc.pb.h", 
+      "src/proto/grpc/testing/echo_mock.grpc.pb.h"
     ], 
     "is_filegroup": false, 
     "language": "c++", 
@@ -3861,12 +3908,16 @@
     "headers": [
       "src/proto/grpc/testing/empty.grpc.pb.h", 
       "src/proto/grpc/testing/empty.pb.h", 
+      "src/proto/grpc/testing/empty_mock.grpc.pb.h", 
       "src/proto/grpc/testing/messages.grpc.pb.h", 
       "src/proto/grpc/testing/messages.pb.h", 
+      "src/proto/grpc/testing/messages_mock.grpc.pb.h", 
       "src/proto/grpc/testing/metrics.grpc.pb.h", 
       "src/proto/grpc/testing/metrics.pb.h", 
+      "src/proto/grpc/testing/metrics_mock.grpc.pb.h", 
       "src/proto/grpc/testing/test.grpc.pb.h", 
       "src/proto/grpc/testing/test.pb.h", 
+      "src/proto/grpc/testing/test_mock.grpc.pb.h", 
       "test/cpp/interop/client_helper.h", 
       "test/cpp/interop/interop_client.h", 
       "test/cpp/interop/stress_interop_client.h", 
@@ -5881,7 +5932,8 @@
     "headers": [
       "include/grpc++/support/error_details.h", 
       "src/proto/grpc/status/status.grpc.pb.h", 
-      "src/proto/grpc/status/status.pb.h"
+      "src/proto/grpc/status/status.pb.h", 
+      "src/proto/grpc/status/status_mock.grpc.pb.h"
     ], 
     "is_filegroup": false, 
     "language": "c++", 
@@ -5961,12 +6013,16 @@
     "headers": [
       "src/proto/grpc/health/v1/health.grpc.pb.h", 
       "src/proto/grpc/health/v1/health.pb.h", 
+      "src/proto/grpc/health/v1/health_mock.grpc.pb.h", 
       "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h", 
       "src/proto/grpc/testing/duplicate/echo_duplicate.pb.h", 
+      "src/proto/grpc/testing/duplicate/echo_duplicate_mock.grpc.pb.h", 
       "src/proto/grpc/testing/echo.grpc.pb.h", 
       "src/proto/grpc/testing/echo.pb.h", 
       "src/proto/grpc/testing/echo_messages.grpc.pb.h", 
       "src/proto/grpc/testing/echo_messages.pb.h", 
+      "src/proto/grpc/testing/echo_messages_mock.grpc.pb.h", 
+      "src/proto/grpc/testing/echo_mock.grpc.pb.h", 
       "test/cpp/end2end/test_service_impl.h", 
       "test/cpp/util/byte_buffer_proto_helper.h", 
       "test/cpp/util/create_test_channel.h", 
@@ -6146,10 +6202,13 @@
     "headers": [
       "src/proto/grpc/testing/empty.grpc.pb.h", 
       "src/proto/grpc/testing/empty.pb.h", 
+      "src/proto/grpc/testing/empty_mock.grpc.pb.h", 
       "src/proto/grpc/testing/messages.grpc.pb.h", 
       "src/proto/grpc/testing/messages.pb.h", 
+      "src/proto/grpc/testing/messages_mock.grpc.pb.h", 
       "src/proto/grpc/testing/test.grpc.pb.h", 
       "src/proto/grpc/testing/test.pb.h", 
+      "src/proto/grpc/testing/test_mock.grpc.pb.h", 
       "test/cpp/interop/http2_client.h"
     ], 
     "is_filegroup": false, 
@@ -6173,6 +6232,7 @@
     "headers": [
       "src/proto/grpc/testing/messages.grpc.pb.h", 
       "src/proto/grpc/testing/messages.pb.h", 
+      "src/proto/grpc/testing/messages_mock.grpc.pb.h", 
       "test/cpp/interop/client_helper.h"
     ], 
     "is_filegroup": false, 
@@ -6199,10 +6259,13 @@
     "headers": [
       "src/proto/grpc/testing/empty.grpc.pb.h", 
       "src/proto/grpc/testing/empty.pb.h", 
+      "src/proto/grpc/testing/empty_mock.grpc.pb.h", 
       "src/proto/grpc/testing/messages.grpc.pb.h", 
       "src/proto/grpc/testing/messages.pb.h", 
+      "src/proto/grpc/testing/messages_mock.grpc.pb.h", 
       "src/proto/grpc/testing/test.grpc.pb.h", 
       "src/proto/grpc/testing/test.pb.h", 
+      "src/proto/grpc/testing/test_mock.grpc.pb.h", 
       "test/cpp/interop/interop_client.h"
     ], 
     "is_filegroup": false, 
@@ -6251,10 +6314,13 @@
     "headers": [
       "src/proto/grpc/testing/empty.grpc.pb.h", 
       "src/proto/grpc/testing/empty.pb.h", 
+      "src/proto/grpc/testing/empty_mock.grpc.pb.h", 
       "src/proto/grpc/testing/messages.grpc.pb.h", 
       "src/proto/grpc/testing/messages.pb.h", 
+      "src/proto/grpc/testing/messages_mock.grpc.pb.h", 
       "src/proto/grpc/testing/test.grpc.pb.h", 
-      "src/proto/grpc/testing/test.pb.h"
+      "src/proto/grpc/testing/test.pb.h", 
+      "src/proto/grpc/testing/test_mock.grpc.pb.h"
     ], 
     "is_filegroup": false, 
     "language": "c++", 
@@ -6288,14 +6354,19 @@
     "headers": [
       "src/proto/grpc/testing/control.grpc.pb.h", 
       "src/proto/grpc/testing/control.pb.h", 
+      "src/proto/grpc/testing/control_mock.grpc.pb.h", 
       "src/proto/grpc/testing/messages.grpc.pb.h", 
       "src/proto/grpc/testing/messages.pb.h", 
+      "src/proto/grpc/testing/messages_mock.grpc.pb.h", 
       "src/proto/grpc/testing/payloads.grpc.pb.h", 
       "src/proto/grpc/testing/payloads.pb.h", 
+      "src/proto/grpc/testing/payloads_mock.grpc.pb.h", 
       "src/proto/grpc/testing/services.grpc.pb.h", 
       "src/proto/grpc/testing/services.pb.h", 
+      "src/proto/grpc/testing/services_mock.grpc.pb.h", 
       "src/proto/grpc/testing/stats.grpc.pb.h", 
       "src/proto/grpc/testing/stats.pb.h", 
+      "src/proto/grpc/testing/stats_mock.grpc.pb.h", 
       "test/cpp/qps/benchmark_config.h", 
       "test/cpp/qps/client.h", 
       "test/cpp/qps/driver.h", 
@@ -8910,7 +8981,6 @@
       "include/grpc++/impl/codegen/slice.h", 
       "include/grpc++/impl/codegen/status.h", 
       "include/grpc++/impl/codegen/status_code_enum.h", 
-      "include/grpc++/impl/codegen/status_helper.h", 
       "include/grpc++/impl/codegen/string_ref.h", 
       "include/grpc++/impl/codegen/stub_options.h", 
       "include/grpc++/impl/codegen/sync_stream.h", 
@@ -8945,7 +9015,6 @@
       "include/grpc++/impl/codegen/slice.h", 
       "include/grpc++/impl/codegen/status.h", 
       "include/grpc++/impl/codegen/status_code_enum.h", 
-      "include/grpc++/impl/codegen/status_helper.h", 
       "include/grpc++/impl/codegen/string_ref.h", 
       "include/grpc++/impl/codegen/stub_options.h", 
       "include/grpc++/impl/codegen/sync_stream.h", 
@@ -9003,7 +9072,8 @@
     "deps": [], 
     "headers": [
       "src/proto/grpc/reflection/v1alpha/reflection.grpc.pb.h", 
-      "src/proto/grpc/reflection/v1alpha/reflection.pb.h"
+      "src/proto/grpc/reflection/v1alpha/reflection.pb.h", 
+      "src/proto/grpc/reflection/v1alpha/reflection_mock.grpc.pb.h"
     ], 
     "is_filegroup": true, 
     "language": "c++", 
@@ -9017,12 +9087,14 @@
       "grpc++"
     ], 
     "headers": [
+      "include/grpc++/test/mock_stream.h", 
       "include/grpc++/test/server_context_test_spouse.h"
     ], 
     "is_filegroup": true, 
     "language": "c++", 
     "name": "grpc++_test", 
     "src": [
+      "include/grpc++/test/mock_stream.h", 
       "include/grpc++/test/server_context_test_spouse.h"
     ], 
     "third_party": false, 
diff --git a/tools/run_tests/generated/tests.json b/tools/run_tests/generated/tests.json
index 6338ea7012..058127862e 100644
--- a/tools/run_tests/generated/tests.json
+++ b/tools/run_tests/generated/tests.json
@@ -9,7 +9,7 @@
       "posix", 
       "windows"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -363,7 +363,7 @@
       "posix", 
       "windows"
     ], 
-    "cpu_cost": 30, 
+    "cpu_cost": 10, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -407,7 +407,7 @@
       "posix", 
       "windows"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 2.0, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -564,7 +564,7 @@
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 3, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -779,7 +779,7 @@
       "posix", 
       "windows"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 30, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -911,7 +911,7 @@
       "posix", 
       "windows"
     ], 
-    "cpu_cost": 10, 
+    "cpu_cost": 3, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -2085,6 +2085,28 @@
     "flaky": false, 
     "gtest": false, 
     "language": "c", 
+    "name": "slice_hash_table_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "args": [], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "exclude_iomgrs": [], 
+    "flaky": false, 
+    "gtest": false, 
+    "language": "c", 
     "name": "slice_string_helpers_test", 
     "platforms": [
       "linux", 
@@ -3307,7 +3329,7 @@
   }, 
   {
     "args": [
-      "--generated_file_path=gens/src/proto/grpc/testing/compiler_test.grpc.pb.h"
+      "--generated_file_path=gens/src/proto/grpc/testing/"
     ], 
     "ci_platforms": [
       "linux", 
@@ -5846,7 +5868,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -5915,7 +5937,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -6124,7 +6146,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -6170,7 +6192,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -6193,7 +6215,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -6239,7 +6261,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -6262,7 +6284,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -6331,7 +6353,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -6400,7 +6422,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -6423,7 +6445,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -6446,7 +6468,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -6471,7 +6493,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -6517,7 +6539,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -6609,7 +6631,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -6632,7 +6654,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -6701,7 +6723,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -6747,7 +6769,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -6770,7 +6792,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -6793,7 +6815,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -6816,7 +6838,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -6908,7 +6930,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -6954,7 +6976,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -6977,7 +6999,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -7069,7 +7091,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -7138,7 +7160,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -7347,7 +7369,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -7393,7 +7415,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -7416,7 +7438,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -7462,7 +7484,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -7485,7 +7507,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -7554,7 +7576,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -7623,7 +7645,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -7646,7 +7668,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -7669,7 +7691,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -7694,7 +7716,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -7740,7 +7762,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -7832,7 +7854,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -7855,7 +7877,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -7924,30 +7946,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "exclude_iomgrs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_compress_test", 
-    "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ]
-  }, 
-  {
-    "args": [
-      "resource_quota_server"
-    ], 
-    "ci_platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -7970,7 +7969,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -7993,7 +7992,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -8016,7 +8015,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -8039,7 +8038,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -8131,7 +8130,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -8177,7 +8176,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -8200,7 +8199,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -8288,7 +8287,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -8354,7 +8353,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
@@ -8554,7 +8553,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [], 
     "flaky": false, 
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@@ -33322,7 +33298,7 @@
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@@ -33368,7 +33344,7 @@
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@@ -33391,7 +33367,7 @@
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@@ -33485,7 +33461,7 @@
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@@ -33533,7 +33509,7 @@
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@@ -33749,7 +33725,7 @@
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@@ -33797,7 +33773,7 @@
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@@ -33893,7 +33869,7 @@
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@@ -33965,7 +33941,7 @@
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@@ -34037,7 +34013,7 @@
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@@ -34061,7 +34037,7 @@
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@@ -34085,7 +34061,7 @@
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@@ -34109,7 +34085,7 @@
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@@ -34157,7 +34133,7 @@
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@@ -34253,7 +34229,7 @@
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@@ -34277,7 +34253,7 @@
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@@ -34349,7 +34325,7 @@
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@@ -34397,7 +34373,7 @@
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@@ -34421,7 +34397,7 @@
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@@ -34445,7 +34421,7 @@
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@@ -34469,7 +34445,7 @@
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@@ -34637,7 +34613,7 @@
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@@ -34731,7 +34707,7 @@
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@@ -34777,7 +34753,7 @@
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@@ -34986,7 +34962,7 @@
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@@ -35032,7 +35008,7 @@
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@@ -35055,7 +35031,7 @@
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@@ -35101,7 +35077,7 @@
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@@ -35124,7 +35100,7 @@
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@@ -35193,7 +35169,7 @@
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@@ -35262,7 +35238,7 @@
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@@ -35285,7 +35261,7 @@
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@@ -35308,7 +35284,7 @@
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@@ -35333,7 +35309,7 @@
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@@ -35379,7 +35355,7 @@
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@@ -35471,7 +35447,7 @@
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@@ -35494,7 +35470,7 @@
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@@ -35563,7 +35539,7 @@
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@@ -35609,7 +35585,7 @@
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@@ -35632,7 +35608,7 @@
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@@ -35655,7 +35631,7 @@
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@@ -35678,7 +35654,7 @@
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@@ -35770,7 +35746,7 @@
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@@ -35816,7 +35792,7 @@
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@@ -35839,7 +35815,7 @@
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@@ -35909,7 +35885,7 @@
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@@ -35957,7 +35933,7 @@
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@@ -36125,7 +36101,7 @@
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@@ -36173,7 +36149,7 @@
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@@ -36197,7 +36173,7 @@
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@@ -36245,7 +36221,7 @@
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@@ -36365,7 +36341,7 @@
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@@ -36389,7 +36365,7 @@
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@@ -36437,7 +36413,7 @@
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@@ -36533,7 +36509,7 @@
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@@ -36581,7 +36557,7 @@
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@@ -36605,7 +36581,7 @@
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@@ -36629,7 +36605,7 @@
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@@ -36653,7 +36629,7 @@
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@@ -36677,7 +36653,7 @@
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@@ -36773,7 +36749,7 @@
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@@ -36821,7 +36797,7 @@
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@@ -36845,7 +36821,7 @@
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@@ -36917,7 +36893,7 @@
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@@ -36965,7 +36941,7 @@
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@@ -37109,7 +37085,7 @@
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@@ -37157,7 +37133,7 @@
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@@ -37181,7 +37157,7 @@
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@@ -37229,7 +37205,7 @@
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@@ -37253,7 +37229,7 @@
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@@ -37325,7 +37301,7 @@
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@@ -37397,7 +37373,7 @@
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@@ -37421,7 +37397,7 @@
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@@ -37445,7 +37421,7 @@
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@@ -37493,7 +37469,7 @@
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@@ -37589,7 +37565,7 @@
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@@ -37661,7 +37637,7 @@
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@@ -37709,7 +37685,7 @@
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@@ -37733,7 +37709,7 @@
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@@ -37757,7 +37733,7 @@
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@@ -37781,7 +37757,7 @@
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@@ -37853,7 +37829,7 @@
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@@ -37901,7 +37877,7 @@
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@@ -37925,7 +37901,7 @@
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@@ -37997,7 +37973,7 @@
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@@ -38045,7 +38021,7 @@
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@@ -38189,7 +38165,7 @@
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@@ -38237,7 +38213,7 @@
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@@ -38261,7 +38237,7 @@
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@@ -38309,7 +38285,7 @@
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@@ -38381,7 +38357,7 @@
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@@ -38453,7 +38429,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -38477,7 +38453,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -38501,7 +38477,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -38549,7 +38525,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -38621,7 +38597,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -38693,7 +38669,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -38717,7 +38693,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -38741,7 +38717,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -38765,7 +38741,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -38789,7 +38765,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -38861,7 +38837,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -38909,7 +38885,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -38933,7 +38909,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -39009,7 +38985,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [
       "msan"
     ], 
@@ -39061,7 +39037,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [
       "msan"
     ], 
@@ -39217,7 +39193,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [
       "msan"
     ], 
@@ -39269,7 +39245,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [
       "msan"
     ], 
@@ -39295,7 +39271,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [
       "msan"
     ], 
@@ -39347,7 +39323,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [
       "msan"
     ], 
@@ -39373,7 +39349,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [
       "msan"
     ], 
@@ -39451,7 +39427,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [
       "msan"
     ], 
@@ -39529,7 +39505,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [
       "msan"
     ], 
@@ -39555,7 +39531,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [
       "msan"
     ], 
@@ -39581,7 +39557,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [
       "msan"
     ], 
@@ -39633,7 +39609,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [
       "msan"
     ], 
@@ -39737,7 +39713,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [
       "msan"
     ], 
@@ -39815,7 +39791,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [
       "msan"
     ], 
@@ -39841,7 +39817,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [
       "msan"
     ], 
@@ -39867,7 +39843,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [
       "msan"
     ], 
@@ -39893,7 +39869,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [
       "msan"
     ], 
@@ -39919,7 +39895,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [
       "msan"
     ], 
@@ -39997,7 +39973,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [
       "msan"
     ], 
@@ -40049,7 +40025,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [
       "msan"
     ], 
@@ -40075,7 +40051,7 @@
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [
       "msan"
     ], 
@@ -40170,7 +40146,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -40216,7 +40192,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -40400,7 +40376,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -40446,7 +40422,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -40469,7 +40445,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -40515,7 +40491,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -40538,7 +40514,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -40607,7 +40583,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -40676,7 +40652,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -40699,7 +40675,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -40722,7 +40698,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -40745,7 +40721,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -40791,7 +40767,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -40883,7 +40859,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -40906,7 +40882,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -40975,7 +40951,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -41021,7 +40997,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -41044,7 +41020,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -41067,7 +41043,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -41090,7 +41066,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -41182,7 +41158,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -41228,7 +41204,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -41251,7 +41227,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "exclude_iomgrs": [
       "uv"
@@ -42438,6 +42414,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -42475,6 +42452,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -42512,6 +42490,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -42549,6 +42528,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -42586,6 +42566,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -42623,6 +42604,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -42660,6 +42642,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -42697,6 +42680,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -42736,6 +42720,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -42773,6 +42758,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -42812,6 +42798,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -42849,6 +42836,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -42886,6 +42874,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -42923,6 +42912,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -42960,6 +42950,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -42997,6 +42988,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -43034,6 +43026,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -43071,6 +43064,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -43108,6 +43102,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -43145,6 +43140,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -43182,6 +43178,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -43219,6 +43216,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -43256,6 +43254,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -43293,6 +43292,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -43330,6 +43330,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -43367,6 +43368,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -43404,6 +43406,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -43441,6 +43444,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -43478,6 +43482,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -43515,6 +43520,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -43552,6 +43558,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -43591,6 +43598,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -43628,6 +43636,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -43667,6 +43676,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -43704,6 +43714,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -43741,6 +43752,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -43778,6 +43790,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -43815,6 +43828,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -43852,6 +43866,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -43889,6 +43904,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -43926,6 +43942,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -43963,6 +43980,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -44000,6 +44018,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -44037,6 +44056,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -44074,6 +44094,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -44111,6 +44132,7 @@
       "asan-noleaks", 
       "asan-trace-cmp", 
       "basicprof", 
+      "c++-compat", 
       "counters", 
       "dbg", 
       "gcov", 
@@ -85167,6 +85189,29 @@
   }, 
   {
     "args": [
+      "test/core/end2end/fuzzers/api_fuzzer_corpus/clusterfuzz-testcase-6462055064272896"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [
+      "tsan"
+    ], 
+    "exclude_iomgrs": [
+      "uv"
+    ], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "api_fuzzer_one_entry", 
+    "platforms": [
+      "mac", 
+      "linux"
+    ], 
+    "uses_polling": false
+  }, 
+  {
+    "args": [
       "test/core/end2end/fuzzers/api_fuzzer_corpus/clusterfuzz-testcase-6499902139924480"
     ], 
     "ci_platforms": [
diff --git a/tools/run_tests/helper_scripts/run_ruby_end2end_tests.sh b/tools/run_tests/helper_scripts/run_ruby_end2end_tests.sh
index 92d6975707..6688025260 100755
--- a/tools/run_tests/helper_scripts/run_ruby_end2end_tests.sh
+++ b/tools/run_tests/helper_scripts/run_ruby_end2end_tests.sh
@@ -39,4 +39,6 @@ ruby src/ruby/end2end/channel_state_driver.rb || EXIT_CODE=1
 ruby src/ruby/end2end/channel_closing_driver.rb || EXIT_CODE=1
 ruby src/ruby/end2end/sig_int_during_channel_watch_driver.rb || EXIT_CODE=1
 ruby src/ruby/end2end/killed_client_thread_driver.rb || EXIT_CODE=1
+ruby src/ruby/end2end/forking_client_driver.rb || EXIT_CODE=1
+ruby src/ruby/end2end/grpc_class_init_driver.rb || EXIT_CODE=1
 exit $EXIT_CODE
diff --git a/tools/run_tests/performance/scenario_config.py b/tools/run_tests/performance/scenario_config.py
index 200da5e36d..ce0808829f 100644
--- a/tools/run_tests/performance/scenario_config.py
+++ b/tools/run_tests/performance/scenario_config.py
@@ -513,7 +513,22 @@ class NodeLanguage:
         'node_protobuf_unary_ping_pong_1MB', rpc_type='UNARY',
         client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
         req_size=1024*1024, resp_size=1024*1024,
-        categories=[SCALABLE, SMOKETEST])
+        categories=[SCALABLE])
+
+    sizes = [('1B', 1), ('1KB', 1024), ('10KB', 10 * 1024),
+             ('1MB', 1024 * 1024), ('10MB', 10 * 1024 * 1024),
+             ('100MB', 100 * 1024 * 1024)]
+
+    for size_name, size in sizes:
+      for secure in (True, False):
+        yield _ping_pong_scenario(
+            'node_protobuf_unary_ping_pong_%s_resp_%s' %
+            (size_name, 'secure' if secure else 'insecure'),
+            rpc_type='UNARY',
+            client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
+            req_size=0, resp_size=size,
+            secure=secure,
+            categories=[SCALABLE])
 
     # TODO(murgatroid99): fix bugs with this scenario and re-enable it
     # yield _ping_pong_scenario(
@@ -528,11 +543,10 @@ class NodeLanguage:
     #    client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
     #    unconstrained_client='async')
 
-    # TODO(jtattermusch): make this scenario work
-    #yield _ping_pong_scenario(
-    #    'node_to_cpp_protobuf_async_unary_ping_pong', rpc_type='UNARY',
-    #    client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
-    #    server_language='c++', async_server_threads=1)
+    yield _ping_pong_scenario(
+        'node_to_cpp_protobuf_async_unary_ping_pong', rpc_type='UNARY',
+        client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
+        server_language='c++', async_server_threads=1)
 
     # TODO(jtattermusch): make this scenario work
     #yield _ping_pong_scenario(
@@ -829,6 +843,21 @@ class NodeExpressLanguage:
         unconstrained_client='async',
         categories=[SCALABLE, SMOKETEST])
 
+    sizes = [('1B', 1), ('1KB', 1024), ('10KB', 10 * 1024),
+             ('1MB', 1024 * 1024), ('10MB', 10 * 1024 * 1024),
+             ('100MB', 100 * 1024 * 1024)]
+
+    for size_name, size in sizes:
+      for secure in (True, False):
+        yield _ping_pong_scenario(
+            'node_express_json_unary_ping_pong_%s_resp_%s' %
+            (size_name, 'secure' if secure else 'insecure'),
+            rpc_type='UNARY',
+            client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
+            req_size=0, resp_size=size,
+            secure=secure,
+            categories=[SCALABLE])
+
   def __str__(self):
     return 'node_express'
 
diff --git a/tools/run_tests/python_utils/filter_pull_request_tests.py b/tools/run_tests/python_utils/filter_pull_request_tests.py
index e013376295..958eb569e0 100644
--- a/tools/run_tests/python_utils/filter_pull_request_tests.py
+++ b/tools/run_tests/python_utils/filter_pull_request_tests.py
@@ -127,6 +127,9 @@ _WHITELIST_DICT = {
   'setup\.py$': [_PYTHON_TEST_SUITE]
 }
 
+# Regex that combines all keys in _WHITELIST_DICT
+_ALL_TRIGGERS = "(" + ")|(".join(_WHITELIST_DICT.keys()) + ")"
+
 # Add all triggers to their respective test suites
 for trigger, test_suites in six.iteritems(_WHITELIST_DICT):
   for test_suite in test_suites:
@@ -169,6 +172,21 @@ def _remove_irrelevant_tests(tests, skippable_labels):
           test.labels[2] not in skippable_labels]
 
 
+def affects_c_cpp(base_branch):
+  """
+  Determines if a pull request's changes affect C/C++. This function exists because
+  there are pull request tests that only test C/C++ code
+  :param base_branch: branch that a pull request is requesting to merge into
+  :return: boolean indicating whether C/C++ changes are made in pull request
+  """
+  changed_files = _get_changed_files(base_branch)
+  # Run all tests if any changed file is not in the whitelist dictionary
+  for changed_file in changed_files:
+    if not re.match(_ALL_TRIGGERS, changed_file):
+      return True
+  return not _can_skip_tests(changed_files, _CPP_TEST_SUITE.triggers + _CORE_TEST_SUITE.triggers)
+
+
 def filter_tests(tests, base_branch):
   """
   Filters out tests that are safe to ignore
@@ -181,11 +199,9 @@ def filter_tests(tests, base_branch):
     print('  %s' % changed_file)
   print('')
 
-  # Regex that combines all keys in _WHITELIST_DICT
-  all_triggers = "(" + ")|(".join(_WHITELIST_DICT.keys()) + ")"
-  # Check if all tests have to be run
+  # Run all tests if any changed file is not in the whitelist dictionary
   for changed_file in changed_files:
-    if not re.match(all_triggers, changed_file):
+    if not re.match(_ALL_TRIGGERS, changed_file):
       return(tests)
   # Figure out which language and platform tests to run
   skippable_labels = []
@@ -196,4 +212,3 @@ def filter_tests(tests, base_branch):
         skippable_labels.append(label)
   tests = _remove_irrelevant_tests(tests, skippable_labels)
   return tests
-
diff --git a/tools/run_tests/python_utils/jobset.py b/tools/run_tests/python_utils/jobset.py
index 5d812f28ee..460f359cf3 100755
--- a/tools/run_tests/python_utils/jobset.py
+++ b/tools/run_tests/python_utils/jobset.py
@@ -348,7 +348,7 @@ class Jobset(object):
   """Manages one run of jobs."""
 
   def __init__(self, check_cancelled, maxjobs, newline_on_success, travis,
-               stop_on_failure, add_env, quiet_success):
+               stop_on_failure, add_env, quiet_success, max_time):
     self._running = set()
     self._check_cancelled = check_cancelled
     self._cancelled = False
@@ -360,6 +360,7 @@ class Jobset(object):
     self._stop_on_failure = stop_on_failure
     self._add_env = add_env
     self._quiet_success = quiet_success
+    self._max_time = max_time
     self.resultset = {}
     self._remaining = None
     self._start_time = time.time()
@@ -379,6 +380,12 @@ class Jobset(object):
   def start(self, spec):
     """Start a job. Return True on success, False on failure."""
     while True:
+      if self._max_time > 0 and time.time() - self._start_time > self._max_time:
+        skipped_job_result = JobResult()
+        skipped_job_result.state = 'SKIPPED'
+        message('SKIPPED', spec.shortname, do_newline=True)
+        self.resultset[spec.shortname] = [skipped_job_result]
+        return True
       if self.cancelled(): return False
       current_cpu_cost = self.cpu_cost()
       if current_cpu_cost == 0: break
@@ -474,7 +481,8 @@ def run(cmdlines,
         stop_on_failure=False,
         add_env={},
         skip_jobs=False,
-        quiet_success=False):
+        quiet_success=False,
+        max_time=-1):
   if skip_jobs:
     resultset = {}
     skipped_job_result = JobResult()
@@ -486,7 +494,7 @@ def run(cmdlines,
   js = Jobset(check_cancelled,
               maxjobs if maxjobs is not None else _DEFAULT_MAX_JOBS,
               newline_on_success, travis, stop_on_failure, add_env,
-              quiet_success)
+              quiet_success, max_time)
   for cmdline, remaining in tag_remaining(cmdlines):
     if not js.start(cmdline):
       break
diff --git a/tools/run_tests/run_interop_tests.py b/tools/run_tests/run_interop_tests.py
index d2bf529fef..44e93eb9cc 100755
--- a/tools/run_tests/run_interop_tests.py
+++ b/tools/run_tests/run_interop_tests.py
@@ -371,6 +371,39 @@ class PHP7Language:
   def __str__(self):
     return 'php7'
 
+class ObjcLanguage:
+
+  def __init__(self):
+    self.client_cwd = 'src/objective-c/tests'
+    self.safename = str(self)
+
+  def client_cmd(self, args):
+    # from args, extract the server port and craft xcodebuild command out of it
+    for arg in args:
+      port = re.search('--server_port=(\d+)', arg)
+      if port:
+        portnum = port.group(1)
+        cmdline = 'pod install && xcodebuild -workspace Tests.xcworkspace -scheme InteropTestsLocalSSL -destination name="iPhone 6" HOST_PORT_LOCALSSL=localhost:%s test'%portnum
+        return [cmdline]
+
+  def cloud_to_prod_env(self):
+    return {}
+
+  def global_env(self):
+    return {}
+
+  def unimplemented_test_cases(self):
+    # ObjC test runs all cases with the same command. It ignores the testcase
+    # cmdline argument. Here we return all but one test cases as unimplemented,
+    # and depend upon ObjC test's behavior that it runs all cases even when
+    # we tell it to run just one.
+    return _TEST_CASES[1:] + _SKIP_COMPRESSION + _SKIP_DATA_FRAME_PADDING
+
+  def unimplemented_test_cases_server(self):
+    return _SKIP_COMPRESSION
+
+  def __str__(self):
+    return 'objc'
 
 class RubyLanguage:
 
@@ -402,7 +435,6 @@ class RubyLanguage:
   def __str__(self):
     return 'ruby'
 
-
 class PythonLanguage:
 
   def __init__(self):
@@ -460,6 +492,7 @@ _LANGUAGES = {
     'node' : NodeLanguage(),
     'php' :  PHPLanguage(),
     'php7' :  PHP7Language(),
+    'objc' : ObjcLanguage(),
     'ruby' : RubyLanguage(),
     'python' : PythonLanguage(),
 }
@@ -667,7 +700,8 @@ def cloud_to_cloud_jobspec(language, test_case, server_name, server_host,
     cwd = language.client_cwd
 
   environ = language.global_env()
-  if docker_image:
+  if docker_image and language.safename != 'objc':
+    # we can't run client in docker for objc.
     container_name = dockerjob.random_name('interop_client_%s' % language.safename)
     cmdline = docker_run_cmdline(cmdline,
                                  image=docker_image,
@@ -820,7 +854,7 @@ argp.add_argument('-l', '--language',
                   choices=['all'] + sorted(_LANGUAGES),
                   nargs='+',
                   default=['all'],
-                  help='Clients to run.')
+                  help='Clients to run. Objc client can be only run on OSX.')
 argp.add_argument('-j', '--jobs', default=multiprocessing.cpu_count(), type=int)
 argp.add_argument('--cloud_to_prod',
                   default=False,
@@ -913,9 +947,13 @@ if not args.use_docker and servers:
   print('Running interop servers is only supported with --use_docker option enabled.')
   sys.exit(1)
 
+
+# we want to include everything but objc in 'all'
+# because objc won't run on non-mac platforms
+all_but_objc = set(six.iterkeys(_LANGUAGES)) - set(['objc'])
 languages = set(_LANGUAGES[l]
                 for l in itertools.chain.from_iterable(
-                    six.iterkeys(_LANGUAGES) if x == 'all' else [x]
+                    all_but_objc if x == 'all' else [x]
                     for x in args.language))
 
 languages_http2_clients_for_http2_server_interop = set()
@@ -942,6 +980,9 @@ if args.use_docker:
 
   build_jobs = []
   for l in languages_to_build:
+    if str(l) == 'objc':
+      # we don't need to build a docker image for objc
+      continue
     job = build_interop_image_jobspec(l)
     docker_images[str(l)] = job.tag
     build_jobs.append(job)
diff --git a/tools/run_tests/run_tests.py b/tools/run_tests/run_tests.py
index cfa7071e00..a1ec1b2f45 100755
--- a/tools/run_tests/run_tests.py
+++ b/tools/run_tests/run_tests.py
@@ -429,7 +429,7 @@ class NodeLanguage(object):
     # we should specify in the compiler argument
     _check_compiler(self.args.compiler, ['default', 'node0.12',
                                          'node4', 'node5', 'node6',
-                                         'node7', 'electron1.3'])
+                                         'node7', 'electron1.3', 'electron1.6'])
     if args.iomgr_platform == "uv":
       self.use_uv = True
     else:
@@ -1178,7 +1178,7 @@ argp.add_argument('--compiler',
                            'vs2013', 'vs2015',
                            'python2.7', 'python3.4', 'python3.5', 'python3.6', 'pypy', 'pypy3', 'python_alpine',
                            'node0.12', 'node4', 'node5', 'node6', 'node7',
-                           'electron1.3',
+                           'electron1.3', 'electron1.6',
                            'coreclr',
                            'cmake'],
                   default='default',
@@ -1210,6 +1210,7 @@ argp.add_argument('--quiet_success',
                        'Useful when running many iterations of each test (argument -n).')
 argp.add_argument('--force_default_poller', default=False, action='store_const', const=True,
                   help='Dont try to iterate over many polling strategies when they exist')
+argp.add_argument('--max_time', default=-1, type=int, help='Maximum test runtime in seconds')
 args = argp.parse_args()
 
 if args.force_default_poller:
@@ -1465,7 +1466,7 @@ def _build_and_run(
            not re.search(args.regex_exclude, spec.shortname))))
     # When running on travis, we want out test runs to be as similar as possible
     # for reproducibility purposes.
-    if args.travis:
+    if args.travis and args.max_time <= 0:
       massaged_one_run = sorted(one_run, key=lambda x: x.shortname)
     else:
       # whereas otherwise, we want to shuffle things up to give all tests a
@@ -1493,7 +1494,7 @@ def _build_and_run(
         all_runs, check_cancelled, newline_on_success=newline_on_success,
         travis=args.travis, maxjobs=args.jobs,
         stop_on_failure=args.stop_on_failure,
-        quiet_success=args.quiet_success)
+        quiet_success=args.quiet_success, max_time=args.max_time)
     if resultset:
       for k, v in sorted(resultset.items()):
         num_runs, num_failures = _calculate_num_runs_failures(v)
diff --git a/tools/run_tests/run_tests_matrix.py b/tools/run_tests/run_tests_matrix.py
index a00d84fd9a..02f0ec5eff 100755
--- a/tools/run_tests/run_tests_matrix.py
+++ b/tools/run_tests/run_tests_matrix.py
@@ -198,7 +198,7 @@ def _create_portability_test_jobs(extra_args=[], inner_jobs=_DEFAULT_INNER_JOBS)
                                 extra_args=extra_args,
                                 inner_jobs=inner_jobs)
 
-  for compiler in ['gcc4.8', 'gcc5.3', 'gcc_musl',
+  for compiler in ['gcc4.8', 'gcc5.3',
                    'clang3.5', 'clang3.6', 'clang3.7']:
     test_jobs += _generate_jobs(languages=['c++'],
                                 configs=['dbg'],
@@ -257,15 +257,6 @@ def _create_portability_test_jobs(extra_args=[], inner_jobs=_DEFAULT_INNER_JOBS)
                               extra_args=extra_args,
                               inner_jobs=inner_jobs)
 
-  test_jobs += _generate_jobs(languages=['python'],
-                              configs=['dbg'],
-                              platforms=['linux'],
-                              arch='default',
-                              compiler='python_alpine',
-                              labels=['portability'],
-                              extra_args=extra_args,
-                              inner_jobs=inner_jobs)
-
   test_jobs += _generate_jobs(languages=['csharp'],
                               configs=['dbg'],
                               platforms=['linux'],
@@ -287,7 +278,8 @@ def _create_portability_test_jobs(extra_args=[], inner_jobs=_DEFAULT_INNER_JOBS)
                               configs=['dbg'],
                               platforms=['linux'],
                               arch='default',
-                              compiler='electron1.3',
+                              compiler='electron1.6',
+                              iomgr_platform='uv',
                               labels=['portability'],
                               extra_args=extra_args,
                               inner_jobs=inner_jobs)
@@ -385,6 +377,9 @@ if __name__ == "__main__":
   argp.add_argument('-n', '--runs_per_test', default=1, type=_runs_per_test_type,
                     help='How many times to run each tests. >1 runs implies ' +
                     'omitting passing test from the output & reports.')
+  argp.add_argument('--max_time', default=-1, type=int,
+                    help='Maximum amount of time to run tests for' +
+                         '(other tests will be skipped)')
   args = argp.parse_args()
 
   extra_args = []
@@ -396,6 +391,8 @@ if __name__ == "__main__":
     extra_args.append('-n')
     extra_args.append('%s' % args.runs_per_test)
     extra_args.append('--quiet_success')
+  if args.max_time > 0:
+    extra_args.extend(('--max_time', '%d' % args.max_time))
 
   all_jobs = _create_test_jobs(extra_args=extra_args, inner_jobs=args.inner_jobs) + \
              _create_portability_test_jobs(extra_args=extra_args, inner_jobs=args.inner_jobs)
diff --git a/tools/run_tests/sanity/check_submodules.sh b/tools/run_tests/sanity/check_submodules.sh
index eaf5a0580e..0a9c1cc046 100755
--- a/tools/run_tests/sanity/check_submodules.sh
+++ b/tools/run_tests/sanity/check_submodules.sh
@@ -46,9 +46,9 @@ cat << EOF | awk '{ print $1 }' | sort > $want_submodules
  886e7d75368e3f4fab3f4d0d3584e4abfc557755 third_party/boringssl-with-bazel (version_for_cocoapods_7.0-857-g886e7d7)
  30dbc81fb5ffdc98ea9b14b1918bfe4e8779b26e third_party/gflags (v2.2.0)
  ec44c6c1675c25b9827aacd08c02433cccde7780 third_party/googletest (release-1.8.0)
- 4a0dd03e52e09332c8fd0f8f26a8e0ae9f911182 third_party/protobuf (v3.1.0-alpha-1-548-g4a0dd03e)
+ 593e917c176b5bc5aafa57bf9f6030d749d91cd5 third_party/protobuf (v3.1.0-alpha-1-326-g593e917)
  bcad91771b7f0bff28a1cac1981d7ef2b9bcef3c third_party/thrift (bcad917)
- 50893291621658f355bc5b4d450a8d06a563053d third_party/zlib (v1.2.8)
+ cacf7f1d4e3d44d871b605da3b647f07d718623f third_party/zlib (v1.2.11)
  7691f773af79bf75a62d1863fd0f13ebf9dc51b1 third_party/cares/cares (1.12.0)
 EOF