diff --git a/bazel/grpc_build_system.bzl b/bazel/grpc_build_system.bzl
index 73147bf..b3f9765 100644
--- a/bazel/grpc_build_system.bzl
+++ b/bazel/grpc_build_system.bzl
@@ -24,178 +24,203 @@
 #
 
 # The set of pollers to test against if a test exercises polling
-POLLERS = ['epollex', 'epollsig', 'epoll1', 'poll', 'poll-cv']
+POLLERS = ["epollex", "epollsig", "epoll1", "poll", "poll-cv"]
 
 def if_not_windows(a):
-  return select({
-      "//:windows": [],
-      "//:windows_msvc": [],
-      "//conditions:default": a,
-  })
+    return select({
+        "//:windows": [],
+        "//:windows_msvc": [],
+        "//conditions:default": a,
+    })
 
 def _get_external_deps(external_deps):
-  ret = []
-  for dep in external_deps:
-    if dep == "address_sorting":
-      ret += ["//third_party/address_sorting"]
-    elif dep == "cares":
-      ret += select({"//:grpc_no_ares": [],
-                     "//conditions:default": ["//external:cares"],})
-    else:
-      ret += ["//external:" + dep]
-  return ret
+    ret = []
+    for dep in external_deps:
+        if dep == "address_sorting":
+            ret += ["//third_party/address_sorting"]
+        elif dep == "cares":
+            ret += select({
+                "//:grpc_no_ares": [],
+                "//conditions:default": ["//external:cares"],
+            })
+        else:
+            ret += ["//external:" + dep]
+    return ret
 
 def _maybe_update_cc_library_hdrs(hdrs):
-  ret = []
-  hdrs_to_update = {
-      "third_party/objective_c/Cronet/bidirectional_stream_c.h": "//third_party:objective_c/Cronet/bidirectional_stream_c.h",
-  }
-  for h in hdrs:
-    if h in hdrs_to_update.keys():
-      ret.append(hdrs_to_update[h])
-    else:
-      ret.append(h)
-  return ret
+    ret = []
+    hdrs_to_update = {
+        "third_party/objective_c/Cronet/bidirectional_stream_c.h": "//third_party:objective_c/Cronet/bidirectional_stream_c.h",
+    }
+    for h in hdrs:
+        if h in hdrs_to_update.keys():
+            ret.append(hdrs_to_update[h])
+        else:
+            ret.append(h)
+    return ret
 
-def grpc_cc_library(name, srcs = [], public_hdrs = [], hdrs = [],
-                    external_deps = [], deps = [], standalone = False,
-                    language = "C++", testonly = False, visibility = None,
-                    alwayslink = 0, data = []):
-  copts = []
-  if language.upper() == "C":
-    copts = if_not_windows(["-std=c99"])
-  native.cc_library(
-    name = name,
-    srcs = srcs,
-    defines = select({"//:grpc_no_ares": ["GRPC_ARES=0"],
-                      "//conditions:default": [],}) +
-              select({"//:remote_execution":  ["GRPC_PORT_ISOLATED_RUNTIME=1"],
-                      "//conditions:default": [],}) +
-              select({"//:grpc_allow_exceptions":  ["GRPC_ALLOW_EXCEPTIONS=1"],
-                      "//:grpc_disallow_exceptions":
-                      ["GRPC_ALLOW_EXCEPTIONS=0"],
-                      "//conditions:default": [],}),
-    hdrs = _maybe_update_cc_library_hdrs(hdrs + public_hdrs),
-    deps = deps + _get_external_deps(external_deps),
-    copts = copts,
-    visibility = visibility,
-    testonly = testonly,
-    linkopts = if_not_windows(["-pthread"]),
-    includes = [
-        "include"
-    ],
-    alwayslink = alwayslink,
-    data = data,
-  )
+def grpc_cc_library(
+        name,
+        srcs = [],
+        public_hdrs = [],
+        hdrs = [],
+        external_deps = [],
+        deps = [],
+        standalone = False,
+        language = "C++",
+        testonly = False,
+        visibility = None,
+        alwayslink = 0,
+        data = []):
+    copts = []
+    if language.upper() == "C":
+        copts = if_not_windows(["-std=c99"])
+    native.cc_library(
+        name = name,
+        srcs = srcs,
+        defines = select({
+                      "//:grpc_no_ares": ["GRPC_ARES=0"],
+                      "//conditions:default": [],
+                  }) +
+                  select({
+                      "//:remote_execution": ["GRPC_PORT_ISOLATED_RUNTIME=1"],
+                      "//conditions:default": [],
+                  }) +
+                  select({
+                      "//:grpc_allow_exceptions": ["GRPC_ALLOW_EXCEPTIONS=1"],
+                      "//:grpc_disallow_exceptions": ["GRPC_ALLOW_EXCEPTIONS=0"],
+                      "//conditions:default": [],
+                  }),
+        hdrs = _maybe_update_cc_library_hdrs(hdrs + public_hdrs),
+        deps = deps + _get_external_deps(external_deps),
+        copts = copts,
+        visibility = visibility,
+        testonly = testonly,
+        linkopts = if_not_windows(["-pthread"]),
+        includes = [
+            "include",
+        ],
+        alwayslink = alwayslink,
+        data = data,
+    )
 
 def grpc_proto_plugin(name, srcs = [], deps = []):
-  native.cc_binary(
-    name = name,
-    srcs = srcs,
-    deps = deps,
-  )
+    native.cc_binary(
+        name = name,
+        srcs = srcs,
+        deps = deps,
+    )
 
 load("//:bazel/cc_grpc_library.bzl", "cc_grpc_library")
 
-def grpc_proto_library(name, srcs = [], deps = [], well_known_protos = False,
-                       has_services = True, use_external = False, generate_mocks = False):
-  cc_grpc_library(
-    name = name,
-    srcs = srcs,
-    deps = deps,
-    well_known_protos = well_known_protos,
-    proto_only = not has_services,
-    use_external = use_external,
-    generate_mocks = generate_mocks,
-  )
+def grpc_proto_library(
+        name,
+        srcs = [],
+        deps = [],
+        well_known_protos = False,
+        has_services = True,
+        use_external = False,
+        generate_mocks = False):
+    cc_grpc_library(
+        name = name,
+        srcs = srcs,
+        deps = deps,
+        well_known_protos = well_known_protos,
+        proto_only = not has_services,
+        use_external = use_external,
+        generate_mocks = generate_mocks,
+    )
 
 def grpc_cc_test(name, srcs = [], deps = [], external_deps = [], args = [], data = [], uses_polling = True, language = "C++", size = "medium", timeout = "moderate", tags = []):
-  copts = []
-  if language.upper() == "C":
-    copts = if_not_windows(["-std=c99"])
-  args = {
-    'name': name,
-    'srcs': srcs,
-    'args': args,
-    'data': data,
-    'deps': deps + _get_external_deps(external_deps),
-    'copts': copts,
-    'linkopts': if_not_windows(["-pthread"]),
-    'size': size,
-    'timeout': timeout,
-  }
-  if uses_polling:
-    native.cc_test(testonly=True, tags=['manual'], **args)
-    for poller in POLLERS:
-      native.sh_test(
-        name = name + '@poller=' + poller,
-        data = [name],
-        srcs = [
-          '//test/core/util:run_with_poller_sh',
-        ],
-        size = size,
-        timeout = timeout,
-        args = [
-          poller,
-          '$(location %s)' % name,
-        ] + args['args'],
-        tags = tags,
-      )
-  else:
-    native.cc_test(**args)
+    copts = []
+    if language.upper() == "C":
+        copts = if_not_windows(["-std=c99"])
+    args = {
+        "name": name,
+        "srcs": srcs,
+        "args": args,
+        "data": data,
+        "deps": deps + _get_external_deps(external_deps),
+        "copts": copts,
+        "linkopts": if_not_windows(["-pthread"]),
+        "size": size,
+        "timeout": timeout,
+    }
+    if uses_polling:
+        native.cc_test(testonly = True, tags = ["manual"], **args)
+        for poller in POLLERS:
+            native.sh_test(
+                name = name + "@poller=" + poller,
+                data = [name] + data,
+                srcs = [
+                    "//test/core/util:run_with_poller_sh",
+                ],
+                size = size,
+                timeout = timeout,
+                args = [
+                    poller,
+                    "$(location %s)" % name,
+                ] + args["args"],
+                tags = tags,
+            )
+    else:
+        native.cc_test(**args)
 
 def grpc_cc_binary(name, srcs = [], deps = [], external_deps = [], args = [], data = [], language = "C++", testonly = False, linkshared = False, linkopts = []):
-  copts = []
-  if language.upper() == "C":
-    copts = ["-std=c99"]
-  native.cc_binary(
-    name = name,
-    srcs = srcs,
-    args = args,
-    data = data,
-    testonly = testonly,
-    linkshared = linkshared,
-    deps = deps + _get_external_deps(external_deps),
-    copts = copts,
-    linkopts = if_not_windows(["-pthread"]) + linkopts,
-  )
+    copts = []
+    if language.upper() == "C":
+        copts = ["-std=c99"]
+    native.cc_binary(
+        name = name,
+        srcs = srcs,
+        args = args,
+        data = data,
+        testonly = testonly,
+        linkshared = linkshared,
+        deps = deps + _get_external_deps(external_deps),
+        copts = copts,
+        linkopts = if_not_windows(["-pthread"]) + linkopts,
+    )
 
-def grpc_generate_one_off_targets(): pass
+def grpc_generate_one_off_targets():
+    pass
 
 def grpc_sh_test(name, srcs, args = [], data = []):
-  native.sh_test(
-    name = name,
-    srcs = srcs,
-    args = args,
-    data = data)
+    native.sh_test(
+        name = name,
+        srcs = srcs,
+        args = args,
+        data = data,
+    )
 
 def grpc_sh_binary(name, srcs, data = []):
-  native.sh_binary(
-    name = name,
-    srcs = srcs,
-    data = data)
+    native.sh_binary(
+        name = name,
+        srcs = srcs,
+        data = data,
+    )
 
 def grpc_py_binary(name, srcs, data = [], deps = [], external_deps = [], testonly = False):
-  native.py_binary(
-    name = name,
-    srcs = srcs,
-    testonly = testonly,
-    data = data,
-    deps = deps + _get_external_deps(external_deps)
-  )
+    native.py_binary(
+        name = name,
+        srcs = srcs,
+        testonly = testonly,
+        data = data,
+        deps = deps + _get_external_deps(external_deps),
+    )
 
 def grpc_package(name, visibility = "private", features = []):
-  if visibility == "tests":
-    visibility = ["//test:__subpackages__"]
-  elif visibility == "public":
-    visibility = ["//visibility:public"]
-  elif visibility == "private":
-    visibility = []
-  else:
-    fail("Unknown visibility " + visibility)
+    if visibility == "tests":
+        visibility = ["//test:__subpackages__"]
+    elif visibility == "public":
+        visibility = ["//visibility:public"]
+    elif visibility == "private":
+        visibility = []
+    else:
+        fail("Unknown visibility " + visibility)
 
-  if len(visibility) != 0:
-    native.package(
-      default_visibility = visibility,
-      features = features
-    )
+    if len(visibility) != 0:
+        native.package(
+            default_visibility = visibility,
+            features = features,
+        )
diff --git a/test/cpp/qps/BUILD b/test/cpp/qps/BUILD
index b958c75..483b29b 100644
--- a/test/cpp/qps/BUILD
+++ b/test/cpp/qps/BUILD
@@ -15,6 +15,7 @@
 licenses(["notice"])  # Apache v2
 
 load("//bazel:grpc_build_system.bzl", "grpc_cc_test", "grpc_cc_library", "grpc_cc_binary", "grpc_package")
+load("//test/cpp/qps:qps_benchmark_script.bzl", "qps_json_driver_batch", "json_run_localhost_batch")
 
 grpc_package(name = "test/cpp/qps")
 
@@ -22,8 +23,8 @@
     name = "parse_json",
     srcs = ["parse_json.cc"],
     hdrs = ["parse_json.h"],
-    deps = ["//:grpc++"],
     external_deps = ["protobuf"],
+    deps = ["//:grpc++"],
 )
 
 grpc_cc_library(
@@ -31,16 +32,19 @@
     srcs = [
         "client_async.cc",
         "client_sync.cc",
+        "qps_server_builder.cc",
         "qps_worker.cc",
         "server_async.cc",
         "server_sync.cc",
-        "qps_server_builder.cc",
     ],
     hdrs = [
         "client.h",
+        "qps_server_builder.h",
         "qps_worker.h",
         "server.h",
-        "qps_server_builder.h",
+    ],
+    external_deps = [
+        "gflags",
     ],
     deps = [
         ":histogram",
@@ -56,11 +60,8 @@
         "//test/core/end2end:ssl_test_data",
         "//test/core/util:gpr_test_util",
         "//test/core/util:grpc_test_util",
-        "//test/cpp/util:test_util",
         "//test/cpp/util:test_config",
-    ],
-    external_deps = [
-        "gflags",
+        "//test/cpp/util:test_util",
     ],
 )
 
@@ -97,15 +98,15 @@
     hdrs = [
         "benchmark_config.h",
     ],
+    external_deps = [
+        "gflags",
+    ],
     deps = [
         ":driver_impl",
         ":histogram",
         "//:grpc++",
         "//src/proto/grpc/testing:control_proto",
     ],
-    external_deps = [
-        "gflags",
-    ],
 )
 
 grpc_cc_library(
@@ -117,6 +118,21 @@
     deps = ["//test/core/util:grpc_test_util"],
 )
 
+grpc_cc_binary(
+    name = "qps_json_driver",
+    srcs = ["qps_json_driver.cc"],
+    external_deps = [
+        "gflags",
+    ],
+    deps = [
+        ":benchmark_config",
+        ":driver_impl",
+        "//:grpc++",
+        "//test/cpp/util:test_config",
+        "//test/cpp/util:test_util",
+    ],
+)
+
 grpc_cc_test(
     name = "inproc_sync_unary_ping_pong_test",
     srcs = ["inproc_sync_unary_ping_pong_test.cc"],
@@ -135,17 +151,9 @@
     deps = ["//:grpc++"],
 )
 
-grpc_cc_binary(
-    name = "json_run_localhost",
-    srcs = ["json_run_localhost.cc"],
-    deps = [
-        "//:gpr",
-        "//test/core/util:gpr_test_util",
-        "//test/core/util:grpc_test_util",
-        "//test/cpp/util:test_config",
-        "//test/cpp/util:test_util",
-    ],
-)
+qps_json_driver_batch()
+
+json_run_localhost_batch()
 
 grpc_cc_test(
     name = "qps_interarrival_test",
@@ -157,24 +165,10 @@
     ],
 )
 
-grpc_cc_binary(
-    name = "qps_json_driver",
-    srcs = ["qps_json_driver.cc"],
-    deps = [
-        ":benchmark_config",
-        ":driver_impl",
-        "//:grpc++",
-        "//test/cpp/util:test_config",
-        "//test/cpp/util:test_util",
-    ],
-    external_deps = [
-        "gflags",
-    ],
-)
-
 grpc_cc_test(
     name = "qps_openloop_test",
     srcs = ["qps_openloop_test.cc"],
+    data = ["//third_party/toolchains:RBE_USE_MACHINE_TYPE_LARGE"],
     deps = [
         ":benchmark_config",
         ":driver_impl",
@@ -182,7 +176,6 @@
         "//test/cpp/util:test_config",
         "//test/cpp/util:test_util",
     ],
-    data = ["//third_party/toolchains:RBE_USE_MACHINE_TYPE_LARGE"],
 )
 
 grpc_cc_test(
diff --git a/test/cpp/qps/gen_build_yaml.py b/test/cpp/qps/gen_build_yaml.py
index 776283c..fb2caf5 100755
--- a/test/cpp/qps/gen_build_yaml.py
+++ b/test/cpp/qps/gen_build_yaml.py
@@ -14,6 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from __future__ import print_function
 import json
 import pipes
 import shutil
@@ -68,62 +69,66 @@
     return ['gcov']
   return []
 
-print yaml.dump({
-  'tests': [
-    {
-      'name': 'json_run_localhost',
-      'shortname': 'json_run_localhost:%s' % scenario_json['name'],
-      'args': ['--scenarios_json', _scenario_json_string(scenario_json, False)],
-      'ci_platforms': ['linux'],
-      'platforms': ['linux'],
-      'flaky': False,
-      'language': 'c++',
-      'boringssl': True,
-      'defaults': 'boringssl',
-      'cpu_cost': guess_cpu(scenario_json, False),
-      'exclude_configs': ['tsan', 'asan'] + maybe_exclude_gcov(scenario_json),
-      'timeout_seconds': 2*60,
-      'excluded_poll_engines': scenario_json.get('EXCLUDED_POLL_ENGINES', []),
-      'auto_timeout_scaling': False
-    }
-    for scenario_json in scenario_config.CXXLanguage().scenarios()
-    if 'scalable' in scenario_json.get('CATEGORIES', [])
-  ] + [
-    {
-      'name': 'qps_json_driver',
-      'shortname': 'qps_json_driver:inproc_%s' % scenario_json['name'],
-      'args': ['--run_inproc', '--scenarios_json', _scenario_json_string(scenario_json, False)],
-      'ci_platforms': ['linux'],
-      'platforms': ['linux'],
-      'flaky': False,
-      'language': 'c++',
-      'boringssl': True,
-      'defaults': 'boringssl',
-      'cpu_cost': guess_cpu(scenario_json, False),
-      'exclude_configs': ['tsan', 'asan'],
-      'timeout_seconds': 6*60,
-      'excluded_poll_engines': scenario_json.get('EXCLUDED_POLL_ENGINES', [])
-    }
-    for scenario_json in scenario_config.CXXLanguage().scenarios()
-    if 'inproc' in scenario_json.get('CATEGORIES', [])
-  ] + [
-    {
-      'name': 'json_run_localhost',
-      'shortname': 'json_run_localhost:%s_low_thread_count' % scenario_json['name'],
-      'args': ['--scenarios_json', _scenario_json_string(scenario_json, True)],
-      'ci_platforms': ['linux'],
-      'platforms': ['linux'],
-      'flaky': False,
-      'language': 'c++',
-      'boringssl': True,
-      'defaults': 'boringssl',
-      'cpu_cost': guess_cpu(scenario_json, True),
-      'exclude_configs': sorted(c for c in configs_from_yaml if c not in ('tsan', 'asan')),
-      'timeout_seconds': 10*60,
-      'excluded_poll_engines': scenario_json.get('EXCLUDED_POLL_ENGINES', []),
-      'auto_timeout_scaling': False
-   }
-    for scenario_json in scenario_config.CXXLanguage().scenarios()
-    if 'scalable' in scenario_json.get('CATEGORIES', [])
-  ]
-})
+def generate_yaml():
+  return {
+    'tests': [
+      {
+        'name': 'json_run_localhost',
+        'shortname': 'json_run_localhost:%s' % scenario_json['name'],
+        'args': ['--scenarios_json', _scenario_json_string(scenario_json, False)],
+        'ci_platforms': ['linux'],
+        'platforms': ['linux'],
+        'flaky': False,
+        'language': 'c++',
+        'boringssl': True,
+        'defaults': 'boringssl',
+        'cpu_cost': guess_cpu(scenario_json, False),
+        'exclude_configs': ['tsan', 'asan'] + maybe_exclude_gcov(scenario_json),
+        'timeout_seconds': 2*60,
+        'excluded_poll_engines': scenario_json.get('EXCLUDED_POLL_ENGINES', []),
+        'auto_timeout_scaling': False
+      }
+      for scenario_json in scenario_config.CXXLanguage().scenarios()
+      if 'scalable' in scenario_json.get('CATEGORIES', [])
+    ] + [
+      {
+        'name': 'qps_json_driver',
+        'shortname': 'qps_json_driver:inproc_%s' % scenario_json['name'],
+        'args': ['--run_inproc', '--scenarios_json', _scenario_json_string(scenario_json, False)],
+        'ci_platforms': ['linux'],
+        'platforms': ['linux'],
+        'flaky': False,
+        'language': 'c++',
+        'boringssl': True,
+        'defaults': 'boringssl',
+        'cpu_cost': guess_cpu(scenario_json, False),
+        'exclude_configs': ['tsan', 'asan'],
+        'timeout_seconds': 6*60,
+        'excluded_poll_engines': scenario_json.get('EXCLUDED_POLL_ENGINES', [])
+      }
+      for scenario_json in scenario_config.CXXLanguage().scenarios()
+      if 'inproc' in scenario_json.get('CATEGORIES', [])
+    ] + [
+      {
+        'name': 'json_run_localhost',
+        'shortname': 'json_run_localhost:%s_low_thread_count' % scenario_json['name'],
+        'args': ['--scenarios_json', _scenario_json_string(scenario_json, True)],
+        'ci_platforms': ['linux'],
+        'platforms': ['linux'],
+        'flaky': False,
+        'language': 'c++',
+        'boringssl': True,
+        'defaults': 'boringssl',
+        'cpu_cost': guess_cpu(scenario_json, True),
+        'exclude_configs': sorted(c for c in configs_from_yaml if c not in ('tsan', 'asan')),
+        'timeout_seconds': 10*60,
+        'excluded_poll_engines': scenario_json.get('EXCLUDED_POLL_ENGINES', []),
+        'auto_timeout_scaling': False
+     }
+      for scenario_json in scenario_config.CXXLanguage().scenarios()
+      if 'scalable' in scenario_json.get('CATEGORIES', [])
+    ]
+  }
+
+
+print(yaml.dump(generate_yaml()))
\ No newline at end of file
diff --git a/test/cpp/qps/json_run_localhost_scenario_gen.py b/test/cpp/qps/json_run_localhost_scenario_gen.py
new file mode 100755
index 0000000..01f6a69
--- /dev/null
+++ b/test/cpp/qps/json_run_localhost_scenario_gen.py
@@ -0,0 +1,38 @@
+#!/usr/bin/env python2.7
+
+# Copyright 2018 gRPC authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import gen_build_yaml as gen
+import json
+
+def generate_args():
+    all_scenario_set = gen.generate_yaml()
+    all_scenario_set = all_scenario_set['tests']
+    json_run_localhost_scenarios = \
+        [item for item in all_scenario_set if item['name'] == 'qps_json_driver']
+    json_run_localhost_arg_set = \
+        [item['args'][2] for item in json_run_localhost_scenarios \
+        if 'args' in item and len(item['args']) > 2]
+    deserialized_scenarios = [json.loads(item)['scenarios'][0] \
+                              for item in json_run_localhost_arg_set]
+    all_scenarios = {scenario['name'].encode('ascii', 'ignore'): \
+                    '\'{\'scenarios\' : [' + json.dumps(scenario) + ']}\'' \
+                    for scenario in deserialized_scenarios}
+
+    serialized_scenarios_str = str(all_scenarios).encode('ascii', 'ignore')
+    with open('json_run_localhost_scenarios.bzl', 'wb') as f:
+        f.write('JSON_RUN_LOCALHOST_SCENARIOS = ' + serialized_scenarios_str + '\n')
+
+generate_args()
diff --git a/test/cpp/qps/json_run_localhost_scenarios.bzl b/test/cpp/qps/json_run_localhost_scenarios.bzl
new file mode 100644
index 0000000..589dcac
--- /dev/null
+++ b/test/cpp/qps/json_run_localhost_scenarios.bzl
@@ -0,0 +1 @@
+JSON_RUN_LOCALHOST_SCENARIOS = {'cpp_protobuf_sync_streaming_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_streaming_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 16, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_protobuf_sync_streaming_qps_unconstrained_1mps_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_streaming_qps_unconstrained_1mps_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 16, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "messages_per_stream": 1, "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_async_unary_ping_pong_insecure_1MB': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_unary_ping_pong_insecure_1MB", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 1048576, "req_size": 1048576}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_protobuf_sync_streaming_qps_unconstrained_10mps_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_streaming_qps_unconstrained_10mps_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 16, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "messages_per_stream": 10, "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_async_unary_qps_unconstrained_2waysharedcq_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_unary_qps_unconstrained_2waysharedcq_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 2, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 2}, "num_clients": 0}]}\'', 'cpp_protobuf_async_unary_qps_unconstrained_1cq_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_unary_qps_unconstrained_1cq_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 1000000, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 13, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 1000000}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_qps_unconstrained_2waysharedcq_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_qps_unconstrained_2waysharedcq_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 2, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 2}, "num_clients": 0}]}\'', 'cpp_generic_async_streaming_qps_unconstrained_1cq_insecure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_unconstrained_1cq_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 0, "security_params": null, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "threads_per_cq": 1000000}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 13, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 1000000}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_qps_unconstrained_10mps_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_qps_unconstrained_10mps_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "messages_per_stream": 10, "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_generic_async_streaming_qps_unconstrained_64KBmsg_insecure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_unconstrained_64KBmsg_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 0, "security_params": null, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "payload_config": {"bytebuf_params": {"resp_size": 65536, "req_size": 65536}}, "threads_per_cq": 0}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"bytebuf_params": {"resp_size": 65536, "req_size": 65536}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_generic_async_streaming_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 0, "security_params": null, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "threads_per_cq": 0}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_qps_unconstrained_1cq_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_qps_unconstrained_1cq_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 1000000, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 13, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 1000000}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_from_server_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_from_server_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING_FROM_SERVER", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_from_client_1channel_1MB': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_from_client_1channel_1MB", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING_FROM_CLIENT", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 1048576, "req_size": 1048576}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_protobuf_async_unary_1channel_100rpcs_1MB': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_unary_1channel_100rpcs_1MB", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 1048576, "req_size": 1048576}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_generic_async_streaming_qps_1channel_1MBmsg_insecure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_1channel_1MBmsg_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 0, "security_params": null, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "payload_config": {"bytebuf_params": {"resp_size": 1048576, "req_size": 1048576}}, "threads_per_cq": 0}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"bytebuf_params": {"resp_size": 1048576, "req_size": 1048576}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_generic_async_streaming_qps_unconstrained_1mps_insecure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_unconstrained_1mps_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 0, "security_params": null, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "threads_per_cq": 0}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "messages_per_stream": 1, "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_async_client_sync_server_unary_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_client_sync_server_unary_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_async_client_unary_1channel_64wide_128Breq_8MBresp_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_client_unary_1channel_64wide_128Breq_8MBresp_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 8388608, "req_size": 128}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_protobuf_sync_streaming_from_client_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_streaming_from_client_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 16, "rpc_type": "STREAMING_FROM_CLIENT", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_protobuf_async_client_sync_server_streaming_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_client_sync_server_streaming_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_from_client_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_from_client_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING_FROM_CLIENT", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_generic_async_streaming_qps_unconstrained_2waysharedcq_insecure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_unconstrained_2waysharedcq_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 0, "security_params": null, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "threads_per_cq": 2}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 2}, "num_clients": 0}]}\'', 'cpp_protobuf_sync_unary_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_unary_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 16, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_protobuf_sync_streaming_from_server_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_streaming_from_server_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 16, "rpc_type": "STREAMING_FROM_SERVER", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_protobuf_async_unary_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_unary_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_generic_async_streaming_qps_unconstrained_10mps_insecure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_unconstrained_10mps_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 0, "security_params": null, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "threads_per_cq": 0}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "messages_per_stream": 10, "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_generic_async_streaming_ping_pong_insecure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_ping_pong_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 1, "security_params": null, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}], "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "threads_per_cq": 0}, "client_config": {"security_params": null, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_protobuf_async_streaming_qps_unconstrained_1mps_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_qps_unconstrained_1mps_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "messages_per_stream": 1, "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\''}
diff --git a/test/cpp/qps/qps_benchmark_script.bzl b/test/cpp/qps/qps_benchmark_script.bzl
new file mode 100644
index 0000000..90902c0
--- /dev/null
+++ b/test/cpp/qps/qps_benchmark_script.bzl
@@ -0,0 +1,72 @@
+# Copyright 2018 gRPC authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+#
+# This is for the gRPC build system. This isn't intended to be used outsite of
+# the BUILD file for gRPC. It contains the mapping for the template system we
+# use to generate other platform's build system files.
+#
+# Please consider that there should be a high bar for additions and changes to
+# this file.
+# Each rule listed must be re-written for Google's internal build system, and
+# each change must be ported from one to the other.
+#
+
+load("//bazel:grpc_build_system.bzl", "grpc_cc_binary", "grpc_cc_test")
+load("//test/cpp/qps:qps_json_driver_scenarios.bzl", "QPS_JSON_DRIVER_SCENARIOS")
+load("//test/cpp/qps:json_run_localhost_scenarios.bzl", "JSON_RUN_LOCALHOST_SCENARIOS")
+
+def qps_json_driver_batch():
+    for scenario in QPS_JSON_DRIVER_SCENARIOS:
+        grpc_cc_test(
+            name = "qps_json_driver_test_%s" % scenario,
+            srcs = ["qps_json_driver.cc"],
+            args = [
+                "--run_inproc",
+                "--scenarios_json",
+                QPS_JSON_DRIVER_SCENARIOS[scenario],
+            ],
+            external_deps = [
+                "gflags",
+            ],
+            deps = [
+                ":benchmark_config",
+                ":driver_impl",
+                "//:grpc++",
+                "//test/cpp/util:test_config",
+                "//test/cpp/util:test_util",
+            ],
+        )
+
+def json_run_localhost_batch():
+    for scenario in JSON_RUN_LOCALHOST_SCENARIOS:
+        grpc_cc_test(
+            name = "json_run_localhost_%s" % scenario,
+            srcs = ["json_run_localhost.cc"],
+            args = [
+                "--scenarios_json",
+                JSON_RUN_LOCALHOST_SCENARIOS[scenario],
+            ],
+            data = [
+                "//test/cpp/qps:qps_json_driver",
+                "//test/cpp/qps:qps_worker",
+            ],
+            deps = [
+                "//:gpr",
+                "//test/core/util:gpr_test_util",
+                "//test/core/util:grpc_test_util",
+                "//test/cpp/util:test_config",
+                "//test/cpp/util:test_util",
+            ],
+        )
diff --git a/test/cpp/qps/qps_json_driver_scenario_gen.py b/test/cpp/qps/qps_json_driver_scenario_gen.py
new file mode 100755
index 0000000..393f968
--- /dev/null
+++ b/test/cpp/qps/qps_json_driver_scenario_gen.py
@@ -0,0 +1,38 @@
+#!/usr/bin/env python2.7
+
+# Copyright 2018 gRPC authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import gen_build_yaml as gen
+import json
+
+def generate_args():
+    all_scenario_set = gen.generate_yaml()
+    all_scenario_set = all_scenario_set['tests']
+    qps_json_driver_scenario_set = \
+        [item for item in all_scenario_set if item['name'] == 'qps_json_driver']
+    qps_json_driver_arg_set = \
+        [item['args'][2] for item in qps_json_driver_scenario_set \
+        if 'args' in item and len(item['args']) > 2]
+    deserialized_scenarios = [json.loads(item)['scenarios'][0] \
+                            for item in qps_json_driver_arg_set]
+    all_scenarios = {scenario['name'].encode('ascii', 'ignore'): \
+                   '\'{\'scenarios\' : [' + json.dumps(scenario) + ']}\'' \
+                   for scenario in deserialized_scenarios}
+
+    serialized_scenarios_str = str(all_scenarios).encode('ascii', 'ignore')
+    with open('qps_json_driver_scenarios.bzl', 'w') as f:
+        f.write('QPS_JSON_DRIVER_SCENARIOS = ' + serialized_scenarios_str + '\n')
+
+generate_args()
diff --git a/test/cpp/qps/qps_json_driver_scenarios.bzl b/test/cpp/qps/qps_json_driver_scenarios.bzl
new file mode 100644
index 0000000..6e2c28a
--- /dev/null
+++ b/test/cpp/qps/qps_json_driver_scenarios.bzl
@@ -0,0 +1 @@
+QPS_JSON_DRIVER_SCENARIOS = {'cpp_protobuf_sync_streaming_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_streaming_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 16, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_protobuf_sync_streaming_qps_unconstrained_1mps_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_streaming_qps_unconstrained_1mps_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 16, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "messages_per_stream": 1, "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_async_unary_ping_pong_insecure_1MB': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_unary_ping_pong_insecure_1MB", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 1048576, "req_size": 1048576}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_protobuf_sync_streaming_qps_unconstrained_10mps_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_sync_streaming_qps_unconstrained_10mps_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "SYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 16, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "messages_per_stream": 10, "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_protobuf_async_unary_qps_unconstrained_2waysharedcq_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_unary_qps_unconstrained_2waysharedcq_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 2, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 2}, "num_clients": 0}]}\'', 'cpp_protobuf_async_unary_qps_unconstrained_1cq_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_unary_qps_unconstrained_1cq_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 1000000, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 13, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 1000000}, "num_clients": 0}]}\'', 'cpp_protobuf_async_streaming_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 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"throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 16, "rpc_type": "STREAMING_FROM_SERVER", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "SYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_protobuf_async_unary_qps_unconstrained_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_unary_qps_unconstrained_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 3, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "UNARY", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 3}, "num_clients": 0}]}\'', 'cpp_generic_async_streaming_qps_unconstrained_10mps_insecure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_qps_unconstrained_10mps_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 0, "security_params": null, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "threads_per_cq": 0}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "messages_per_stream": 10, "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\'', 'cpp_generic_async_streaming_ping_pong_insecure': '\'{\'scenarios\' : [{"name": "cpp_generic_async_streaming_ping_pong_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"async_server_threads": 1, "security_params": null, "server_type": "ASYNC_GENERIC_SERVER", "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}], "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "threads_per_cq": 0}, "client_config": {"security_params": null, "channel_args": [{"str_value": "latency", "name": "grpc.optimization_target"}], "async_client_threads": 1, "outstanding_rpcs_per_channel": 1, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "payload_config": {"bytebuf_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 1, "threads_per_cq": 0}, "num_clients": 1}]}\'', 'cpp_protobuf_async_streaming_qps_unconstrained_1mps_insecure': '\'{\'scenarios\' : [{"name": "cpp_protobuf_async_streaming_qps_unconstrained_1mps_insecure", "warmup_seconds": 0, "benchmark_seconds": 1, "num_servers": 1, "server_config": {"security_params": null, "server_type": "ASYNC_SERVER", "async_server_threads": 0, "threads_per_cq": 0, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}]}, "client_config": {"security_params": null, "channel_args": [{"str_value": "throughput", "name": "grpc.optimization_target"}, {"int_value": 1, "name": "grpc.minimal_stack"}], "async_client_threads": 0, "outstanding_rpcs_per_channel": 100, "rpc_type": "STREAMING", "load_params": {"closed_loop": {}}, "histogram_params": {"resolution": 0.01, "max_possible": 60000000000.0}, "client_type": "ASYNC_CLIENT", "messages_per_stream": 1, "payload_config": {"simple_params": {"resp_size": 0, "req_size": 0}}, "client_channels": 64, "threads_per_cq": 0}, "num_clients": 0}]}\''}
diff --git a/tools/buildgen/generate_build_additions.sh b/tools/buildgen/generate_build_additions.sh
old mode 100644
new mode 100755
diff --git a/tools/run_tests/sanity/check_qps_scenario_changes.py b/tools/run_tests/sanity/check_qps_scenario_changes.py
new file mode 100755
index 0000000..635fee6
--- /dev/null
+++ b/tools/run_tests/sanity/check_qps_scenario_changes.py
@@ -0,0 +1,33 @@
+#!/usr/bin/env python
+
+# Copyright 2018 gRPC authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import os
+import sys
+import subprocess
+
+os.chdir(os.path.join(os.path.dirname(sys.argv[0]), '../../../test/cpp/qps'))
+subprocess.call(['./json_run_localhost_scenario_gen.py'])
+subprocess.call(['./qps_json_driver_scenario_gen.py'])
+
+output = subprocess.check_output(['git', 'status', '--porcelain'])
+qps_json_driver_bzl = 'test/cpp/qps/qps_json_driver_scenarios.bzl'
+json_run_localhost_bzl = 'test/cpp/qps/json_run_localhost_scenarios.bzl'
+
+if qps_json_driver_bzl in output or json_run_localhost_bzl in output:
+    print('qps benchmark scenarios have been updated, please commit '
+          'test/cpp/qps/qps_json_driver_scenarios.bzl and/or '
+          'test/cpp/qps/json_run_localhost_scenarios.bzl')
+    sys.exit(1)
diff --git a/tools/run_tests/sanity/sanity_tests.yaml b/tools/run_tests/sanity/sanity_tests.yaml
index fd9b34a..1913edd 100644
--- a/tools/run_tests/sanity/sanity_tests.yaml
+++ b/tools/run_tests/sanity/sanity_tests.yaml
@@ -3,6 +3,7 @@
 - script: tools/run_tests/sanity/check_bazel_workspace.py
 - script: tools/run_tests/sanity/check_cache_mk.sh
 - script: tools/run_tests/sanity/check_owners.sh
+- script: tools/run_tests/sanity/check_qps_scenario_changes.py
 - script: tools/run_tests/sanity/check_shellcheck.sh
 - script: tools/run_tests/sanity/check_submodules.sh
 - script: tools/run_tests/sanity/check_test_filtering.py