Merge branch 'master' of https://github.com/grpc/grpc into grpc_tracing

21 files changed, 446 insertions, 151 deletions

diff --git a/src/core/ext/transport/cronet/transport/cronet_transport.c b/src/core/ext/transport/cronet/transport/cronet_transport.c
index 029c15014e..366690acf2 100644
--- a/src/core/ext/transport/cronet/transport/cronet_transport.c
+++ b/src/core/ext/transport/cronet/transport/cronet_transport.c
@@ -294,7 +294,7 @@ static void remove_from_storage(struct stream_obj *s,
 /*
   Cycle through ops and try to take next action. Break when either
   an action with callback is taken, or no action is possible.
-  This can be executed from the Cronet network thread via cronet callback
+  This can get executed from the Cronet network thread via cronet callback
   or on the application supplied thread via the perform_stream_op function.
 */
 static void execute_from_storage(stream_obj *s) {
@@ -329,6 +329,7 @@ static void execute_from_storage(stream_obj *s) {
 static void on_failed(cronet_bidirectional_stream *stream, int net_error) {
   CRONET_LOG(GPR_DEBUG, "on_failed(%p, %d)", stream, net_error);
   stream_obj *s = (stream_obj *)stream->annotation;
+  gpr_mu_lock(&s->mu);
   cronet_bidirectional_stream_destroy(s->cbs);
   s->state.state_callback_received[OP_FAILED] = true;
   s->cbs = NULL;
@@ -340,6 +341,7 @@ static void on_failed(cronet_bidirectional_stream *stream, int net_error) {
     gpr_free(s->state.ws.write_buffer);
     s->state.ws.write_buffer = NULL;
   }
+  gpr_mu_unlock(&s->mu);
   execute_from_storage(s);
 }
 
@@ -349,6 +351,7 @@ static void on_failed(cronet_bidirectional_stream *stream, int net_error) {
 static void on_canceled(cronet_bidirectional_stream *stream) {
   CRONET_LOG(GPR_DEBUG, "on_canceled(%p)", stream);
   stream_obj *s = (stream_obj *)stream->annotation;
+  gpr_mu_lock(&s->mu);
   cronet_bidirectional_stream_destroy(s->cbs);
   s->state.state_callback_received[OP_CANCELED] = true;
   s->cbs = NULL;
@@ -360,6 +363,7 @@ static void on_canceled(cronet_bidirectional_stream *stream) {
     gpr_free(s->state.ws.write_buffer);
     s->state.ws.write_buffer = NULL;
   }
+  gpr_mu_unlock(&s->mu);
   execute_from_storage(s);
 }
 
@@ -369,9 +373,11 @@ static void on_canceled(cronet_bidirectional_stream *stream) {
 static void on_succeeded(cronet_bidirectional_stream *stream) {
   CRONET_LOG(GPR_DEBUG, "on_succeeded(%p)", stream);
   stream_obj *s = (stream_obj *)stream->annotation;
+  gpr_mu_lock(&s->mu);
   cronet_bidirectional_stream_destroy(s->cbs);
   s->state.state_callback_received[OP_SUCCEEDED] = true;
   s->cbs = NULL;
+  gpr_mu_unlock(&s->mu);
   execute_from_storage(s);
 }
 
@@ -381,6 +387,7 @@ static void on_succeeded(cronet_bidirectional_stream *stream) {
 static void on_request_headers_sent(cronet_bidirectional_stream *stream) {
   CRONET_LOG(GPR_DEBUG, "W: on_request_headers_sent(%p)", stream);
   stream_obj *s = (stream_obj *)stream->annotation;
+  gpr_mu_lock(&s->mu);
   s->state.state_op_done[OP_SEND_INITIAL_METADATA] = true;
   s->state.state_callback_received[OP_SEND_INITIAL_METADATA] = true;
   /* Free the memory allocated for headers */
@@ -388,6 +395,7 @@ static void on_request_headers_sent(cronet_bidirectional_stream *stream) {
     gpr_free(s->header_array.headers);
     s->header_array.headers = NULL;
   }
+  gpr_mu_unlock(&s->mu);
   execute_from_storage(s);
 }
 
@@ -401,6 +409,7 @@ static void on_response_headers_received(
   CRONET_LOG(GPR_DEBUG, "R: on_response_headers_received(%p, %p, %s)", stream,
              headers, negotiated_protocol);
   stream_obj *s = (stream_obj *)stream->annotation;
+  gpr_mu_lock(&s->mu);
   memset(&s->state.rs.initial_metadata, 0,
          sizeof(s->state.rs.initial_metadata));
   grpc_chttp2_incoming_metadata_buffer_init(&s->state.rs.initial_metadata);
@@ -412,6 +421,7 @@ static void on_response_headers_received(
             grpc_mdstr_from_string(headers->headers[i].value)));
   }
   s->state.state_callback_received[OP_RECV_INITIAL_METADATA] = true;
+  gpr_mu_unlock(&s->mu);
   execute_from_storage(s);
 }
 
@@ -422,11 +432,13 @@ static void on_write_completed(cronet_bidirectional_stream *stream,
                                const char *data) {
   stream_obj *s = (stream_obj *)stream->annotation;
   CRONET_LOG(GPR_DEBUG, "W: on_write_completed(%p, %s)", stream, data);
+  gpr_mu_lock(&s->mu);
   if (s->state.ws.write_buffer) {
     gpr_free(s->state.ws.write_buffer);
     s->state.ws.write_buffer = NULL;
   }
   s->state.state_callback_received[OP_SEND_MESSAGE] = true;
+  gpr_mu_unlock(&s->mu);
   execute_from_storage(s);
 }
 
@@ -438,6 +450,7 @@ static void on_read_completed(cronet_bidirectional_stream *stream, char *data,
   stream_obj *s = (stream_obj *)stream->annotation;
   CRONET_LOG(GPR_DEBUG, "R: on_read_completed(%p, %p, %d)", stream, data,
              count);
+  gpr_mu_lock(&s->mu);
   s->state.state_callback_received[OP_RECV_MESSAGE] = true;
   if (count > 0) {
     s->state.rs.received_bytes += count;
@@ -448,11 +461,14 @@ static void on_read_completed(cronet_bidirectional_stream *stream, char *data,
       cronet_bidirectional_stream_read(
           s->cbs, s->state.rs.read_buffer + s->state.rs.received_bytes,
           s->state.rs.remaining_bytes);
+      gpr_mu_unlock(&s->mu);
     } else {
+      gpr_mu_unlock(&s->mu);
       execute_from_storage(s);
     }
   } else {
     s->state.rs.read_stream_closed = true;
+    gpr_mu_unlock(&s->mu);
     execute_from_storage(s);
   }
 }
@@ -466,6 +482,7 @@ static void on_response_trailers_received(
   CRONET_LOG(GPR_DEBUG, "R: on_response_trailers_received(%p,%p)", stream,
              trailers);
   stream_obj *s = (stream_obj *)stream->annotation;
+  gpr_mu_lock(&s->mu);
   memset(&s->state.rs.trailing_metadata, 0,
          sizeof(s->state.rs.trailing_metadata));
   s->state.rs.trailing_metadata_valid = false;
@@ -481,6 +498,7 @@ static void on_response_trailers_received(
     s->state.rs.trailing_metadata_valid = true;
   }
   s->state.state_callback_received[OP_RECV_TRAILING_METADATA] = true;
+  gpr_mu_unlock(&s->mu);
   execute_from_storage(s);
 }
 
@@ -757,14 +775,15 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx,
              op_can_be_run(stream_op, stream_state, &oas->state,
                            OP_RECV_INITIAL_METADATA)) {
     CRONET_LOG(GPR_DEBUG, "running: %p  OP_RECV_INITIAL_METADATA", oas);
-    if (!stream_state->state_op_done[OP_CANCEL_ERROR]) {
+    if (stream_state->state_op_done[OP_CANCEL_ERROR] ||
+        stream_state->state_callback_received[OP_FAILED]) {
+      grpc_exec_ctx_sched(exec_ctx, stream_op->recv_initial_metadata_ready,
+                          GRPC_ERROR_CANCELLED, NULL);
+    } else {
       grpc_chttp2_incoming_metadata_buffer_publish(
           &oas->s->state.rs.initial_metadata, stream_op->recv_initial_metadata);
       grpc_exec_ctx_sched(exec_ctx, stream_op->recv_initial_metadata_ready,
                           GRPC_ERROR_NONE, NULL);
-    } else {
-      grpc_exec_ctx_sched(exec_ctx, stream_op->recv_initial_metadata_ready,
-                          GRPC_ERROR_CANCELLED, NULL);
     }
     stream_state->state_op_done[OP_RECV_INITIAL_METADATA] = true;
     result = ACTION_TAKEN_NO_CALLBACK;
@@ -772,32 +791,40 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx,
              op_can_be_run(stream_op, stream_state, &oas->state,
                            OP_SEND_MESSAGE)) {
     CRONET_LOG(GPR_DEBUG, "running: %p  OP_SEND_MESSAGE", oas);
-    gpr_slice_buffer write_slice_buffer;
-    gpr_slice slice;
-    gpr_slice_buffer_init(&write_slice_buffer);
-    grpc_byte_stream_next(NULL, stream_op->send_message, &slice,
-                          stream_op->send_message->length, NULL);
-    /* Check that compression flag is OFF. We don't support compression yet. */
-    if (stream_op->send_message->flags != 0) {
-      gpr_log(GPR_ERROR, "Compression is not supported");
-      GPR_ASSERT(stream_op->send_message->flags == 0);
-    }
-    gpr_slice_buffer_add(&write_slice_buffer, slice);
-    if (write_slice_buffer.count != 1) {
-      /* Empty request not handled yet */
-      gpr_log(GPR_ERROR, "Empty request is not supported");
-      GPR_ASSERT(write_slice_buffer.count == 1);
-    }
-    if (write_slice_buffer.count > 0) {
-      size_t write_buffer_size;
-      create_grpc_frame(&write_slice_buffer, &stream_state->ws.write_buffer,
-                        &write_buffer_size);
-      CRONET_LOG(GPR_DEBUG, "cronet_bidirectional_stream_write (%p, %p)",
-                 s->cbs, stream_state->ws.write_buffer);
-      stream_state->state_callback_received[OP_SEND_MESSAGE] = false;
-      cronet_bidirectional_stream_write(s->cbs, stream_state->ws.write_buffer,
-                                        (int)write_buffer_size, false);
-      result = ACTION_TAKEN_WITH_CALLBACK;
+    if (stream_state->state_callback_received[OP_FAILED]) {
+      result = NO_ACTION_POSSIBLE;
+      CRONET_LOG(GPR_DEBUG, "Stream is either cancelled or failed.");
+    } else {
+      gpr_slice_buffer write_slice_buffer;
+      gpr_slice slice;
+      gpr_slice_buffer_init(&write_slice_buffer);
+      grpc_byte_stream_next(NULL, stream_op->send_message, &slice,
+                            stream_op->send_message->length, NULL);
+      /* Check that compression flag is OFF. We don't support compression yet.
+       */
+      if (stream_op->send_message->flags != 0) {
+        gpr_log(GPR_ERROR, "Compression is not supported");
+        GPR_ASSERT(stream_op->send_message->flags == 0);
+      }
+      gpr_slice_buffer_add(&write_slice_buffer, slice);
+      if (write_slice_buffer.count != 1) {
+        /* Empty request not handled yet */
+        gpr_log(GPR_ERROR, "Empty request is not supported");
+        GPR_ASSERT(write_slice_buffer.count == 1);
+      }
+      if (write_slice_buffer.count > 0) {
+        size_t write_buffer_size;
+        create_grpc_frame(&write_slice_buffer, &stream_state->ws.write_buffer,
+                          &write_buffer_size);
+        CRONET_LOG(GPR_DEBUG, "cronet_bidirectional_stream_write (%p, %p)",
+                   s->cbs, stream_state->ws.write_buffer);
+        stream_state->state_callback_received[OP_SEND_MESSAGE] = false;
+        cronet_bidirectional_stream_write(s->cbs, stream_state->ws.write_buffer,
+                                          (int)write_buffer_size, false);
+        result = ACTION_TAKEN_WITH_CALLBACK;
+      } else {
+        result = NO_ACTION_POSSIBLE;
+      }
     }
     stream_state->state_op_done[OP_SEND_MESSAGE] = true;
     oas->state.state_op_done[OP_SEND_MESSAGE] = true;
@@ -805,7 +832,9 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx,
              op_can_be_run(stream_op, stream_state, &oas->state,
                            OP_RECV_MESSAGE)) {
     CRONET_LOG(GPR_DEBUG, "running: %p  OP_RECV_MESSAGE", oas);
-    if (stream_state->state_op_done[OP_CANCEL_ERROR]) {
+    if (stream_state->state_op_done[OP_CANCEL_ERROR] ||
+        stream_state->state_callback_received[OP_FAILED]) {
+      CRONET_LOG(GPR_DEBUG, "Stream is either cancelled or failed.");
       grpc_exec_ctx_sched(exec_ctx, stream_op->recv_message_ready,
                           GRPC_ERROR_CANCELLED, NULL);
       stream_state->state_op_done[OP_RECV_MESSAGE] = true;
@@ -861,8 +890,10 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx,
             true; /* Indicates that at least one read request has been made */
         cronet_bidirectional_stream_read(s->cbs, stream_state->rs.read_buffer,
                                          stream_state->rs.remaining_bytes);
+        result = ACTION_TAKEN_WITH_CALLBACK;
+      } else {
+        result = NO_ACTION_POSSIBLE;
       }
-      result = ACTION_TAKEN_WITH_CALLBACK;
     } else if (stream_state->rs.remaining_bytes == 0) {
       CRONET_LOG(GPR_DEBUG, "read operation complete");
       gpr_slice read_data_slice =
@@ -903,11 +934,17 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx,
              op_can_be_run(stream_op, stream_state, &oas->state,
                            OP_SEND_TRAILING_METADATA)) {
     CRONET_LOG(GPR_DEBUG, "running: %p  OP_SEND_TRAILING_METADATA", oas);
-    CRONET_LOG(GPR_DEBUG, "cronet_bidirectional_stream_write (%p, 0)", s->cbs);
-    stream_state->state_callback_received[OP_SEND_MESSAGE] = false;
-    cronet_bidirectional_stream_write(s->cbs, "", 0, true);
+    if (stream_state->state_callback_received[OP_FAILED]) {
+      result = NO_ACTION_POSSIBLE;
+      CRONET_LOG(GPR_DEBUG, "Stream is either cancelled or failed.");
+    } else {
+      CRONET_LOG(GPR_DEBUG, "cronet_bidirectional_stream_write (%p, 0)",
+                 s->cbs);
+      stream_state->state_callback_received[OP_SEND_MESSAGE] = false;
+      cronet_bidirectional_stream_write(s->cbs, "", 0, true);
+      result = ACTION_TAKEN_WITH_CALLBACK;
+    }
     stream_state->state_op_done[OP_SEND_TRAILING_METADATA] = true;
-    result = ACTION_TAKEN_WITH_CALLBACK;
   } else if (stream_op->cancel_error &&
              op_can_be_run(stream_op, stream_state, &oas->state,
                            OP_CANCEL_ERROR)) {
diff --git a/src/csharp/Grpc.Core/GrpcEnvironment.cs b/src/csharp/Grpc.Core/GrpcEnvironment.cs
index 574e900a0e..3ed2df203d 100644
--- a/src/csharp/Grpc.Core/GrpcEnvironment.cs
+++ b/src/csharp/Grpc.Core/GrpcEnvironment.cs
@@ -351,11 +351,11 @@ namespace Grpc.Core
                 {
                     if (!hooksRegistered)
                     {
-                        // TODO(jtattermusch): register shutdownhooks for CoreCLR as well
-#if !NETSTANDARD1_5
-
-                        AppDomain.CurrentDomain.ProcessExit += ShutdownHookHandler;
-                        AppDomain.CurrentDomain.DomainUnload += ShutdownHookHandler;
+#if NETSTANDARD1_5
+                        System.Runtime.Loader.AssemblyLoadContext.Default.Unloading += (assemblyLoadContext) => { HandleShutdown(); };
+#else
+                        AppDomain.CurrentDomain.ProcessExit += (sender, eventArgs) => { HandleShutdown(); };
+                        AppDomain.CurrentDomain.DomainUnload += (sender, eventArgs) => { HandleShutdown(); };
 #endif
                     }
                     hooksRegistered = true;
@@ -363,9 +363,9 @@ namespace Grpc.Core
             }
 
             /// <summary>
-            /// Handler for AppDomain.DomainUnload and AppDomain.ProcessExit hooks.
+            /// Handler for AppDomain.DomainUnload, AppDomain.ProcessExit and AssemblyLoadContext.Unloading hooks.
             /// </summary>
-            private static void ShutdownHookHandler(object sender, EventArgs e)
+            private static void HandleShutdown()
             {
                 Task.WaitAll(GrpcEnvironment.ShutdownChannelsAsync(), GrpcEnvironment.KillServersAsync());
             }
diff --git a/src/csharp/Grpc.Core/project.json b/src/csharp/Grpc.Core/project.json
index 50c328abe1..aa1e4cc7fb 100644
--- a/src/csharp/Grpc.Core/project.json
+++ b/src/csharp/Grpc.Core/project.json
@@ -38,6 +38,7 @@
     "netstandard1.5": {
       "dependencies": {
         "NETStandard.Library": "1.6.0",
+        "System.Runtime.Loader": "4.0.0",
         "System.Threading.Thread": "4.0.0"
       }
     }
diff --git a/src/csharp/Grpc.IntegrationTesting.Client/project.json b/src/csharp/Grpc.IntegrationTesting.Client/project.json
index 81faee63dc..1b900c8af3 100644
--- a/src/csharp/Grpc.IntegrationTesting.Client/project.json
+++ b/src/csharp/Grpc.IntegrationTesting.Client/project.json
@@ -13,8 +13,10 @@
           "includeFiles": [ "../Grpc.Core/Version.cs" ]
         },
         "copyToOutput": {
-          "include": "data/*",
           "mappings": {
+            "data/ca.pem": "../Grpc.IntegrationTesting/data/ca.pem",
+            "data/server1.key": "../Grpc.IntegrationTesting/data/server1.key",
+            "data/server1.pem": "../Grpc.IntegrationTesting/data/server1.pem",
             "grpc_csharp_ext.x64.dll": "../../../vsprojects/x64/Debug/grpc_csharp_ext.dll",
             "grpc_csharp_ext.x86.dll": "../../../vsprojects/Debug/grpc_csharp_ext.dll",
             "libgrpc_csharp_ext.x64.so": "../../../libs/dbg/libgrpc_csharp_ext.so",
@@ -33,8 +35,10 @@
           "includeFiles": [ "../Grpc.Core/Version.cs" ]
         },
         "copyToOutput": {
-          "include": "data/*",
           "mappings": {
+            "data/ca.pem": "../Grpc.IntegrationTesting/data/ca.pem",
+            "data/server1.key": "../Grpc.IntegrationTesting/data/server1.key",
+            "data/server1.pem": "../Grpc.IntegrationTesting/data/server1.pem",
             "grpc_csharp_ext.x64.dll": "../../../vsprojects/x64/Release/grpc_csharp_ext.dll",
             "grpc_csharp_ext.x86.dll": "../../../vsprojects/Release/grpc_csharp_ext.dll",
             "libgrpc_csharp_ext.x64.so": "../../../libs/opt/libgrpc_csharp_ext.so",
diff --git a/src/csharp/Grpc.IntegrationTesting.QpsWorker/project.json b/src/csharp/Grpc.IntegrationTesting.QpsWorker/project.json
index 81faee63dc..1b900c8af3 100644
--- a/src/csharp/Grpc.IntegrationTesting.QpsWorker/project.json
+++ b/src/csharp/Grpc.IntegrationTesting.QpsWorker/project.json
@@ -13,8 +13,10 @@
           "includeFiles": [ "../Grpc.Core/Version.cs" ]
         },
         "copyToOutput": {
-          "include": "data/*",
           "mappings": {
+            "data/ca.pem": "../Grpc.IntegrationTesting/data/ca.pem",
+            "data/server1.key": "../Grpc.IntegrationTesting/data/server1.key",
+            "data/server1.pem": "../Grpc.IntegrationTesting/data/server1.pem",
             "grpc_csharp_ext.x64.dll": "../../../vsprojects/x64/Debug/grpc_csharp_ext.dll",
             "grpc_csharp_ext.x86.dll": "../../../vsprojects/Debug/grpc_csharp_ext.dll",
             "libgrpc_csharp_ext.x64.so": "../../../libs/dbg/libgrpc_csharp_ext.so",
@@ -33,8 +35,10 @@
           "includeFiles": [ "../Grpc.Core/Version.cs" ]
         },
         "copyToOutput": {
-          "include": "data/*",
           "mappings": {
+            "data/ca.pem": "../Grpc.IntegrationTesting/data/ca.pem",
+            "data/server1.key": "../Grpc.IntegrationTesting/data/server1.key",
+            "data/server1.pem": "../Grpc.IntegrationTesting/data/server1.pem",
             "grpc_csharp_ext.x64.dll": "../../../vsprojects/x64/Release/grpc_csharp_ext.dll",
             "grpc_csharp_ext.x86.dll": "../../../vsprojects/Release/grpc_csharp_ext.dll",
             "libgrpc_csharp_ext.x64.so": "../../../libs/opt/libgrpc_csharp_ext.so",
diff --git a/src/csharp/Grpc.IntegrationTesting.Server/project.json b/src/csharp/Grpc.IntegrationTesting.Server/project.json
index 81faee63dc..1b900c8af3 100644
--- a/src/csharp/Grpc.IntegrationTesting.Server/project.json
+++ b/src/csharp/Grpc.IntegrationTesting.Server/project.json
@@ -13,8 +13,10 @@
           "includeFiles": [ "../Grpc.Core/Version.cs" ]
         },
         "copyToOutput": {
-          "include": "data/*",
           "mappings": {
+            "data/ca.pem": "../Grpc.IntegrationTesting/data/ca.pem",
+            "data/server1.key": "../Grpc.IntegrationTesting/data/server1.key",
+            "data/server1.pem": "../Grpc.IntegrationTesting/data/server1.pem",
             "grpc_csharp_ext.x64.dll": "../../../vsprojects/x64/Debug/grpc_csharp_ext.dll",
             "grpc_csharp_ext.x86.dll": "../../../vsprojects/Debug/grpc_csharp_ext.dll",
             "libgrpc_csharp_ext.x64.so": "../../../libs/dbg/libgrpc_csharp_ext.so",
@@ -33,8 +35,10 @@
           "includeFiles": [ "../Grpc.Core/Version.cs" ]
         },
         "copyToOutput": {
-          "include": "data/*",
           "mappings": {
+            "data/ca.pem": "../Grpc.IntegrationTesting/data/ca.pem",
+            "data/server1.key": "../Grpc.IntegrationTesting/data/server1.key",
+            "data/server1.pem": "../Grpc.IntegrationTesting/data/server1.pem",
             "grpc_csharp_ext.x64.dll": "../../../vsprojects/x64/Release/grpc_csharp_ext.dll",
             "grpc_csharp_ext.x86.dll": "../../../vsprojects/Release/grpc_csharp_ext.dll",
             "libgrpc_csharp_ext.x64.so": "../../../libs/opt/libgrpc_csharp_ext.so",
diff --git a/src/csharp/Grpc.IntegrationTesting.StressClient/project.json b/src/csharp/Grpc.IntegrationTesting.StressClient/project.json
index 81faee63dc..1b900c8af3 100644
--- a/src/csharp/Grpc.IntegrationTesting.StressClient/project.json
+++ b/src/csharp/Grpc.IntegrationTesting.StressClient/project.json
@@ -13,8 +13,10 @@
           "includeFiles": [ "../Grpc.Core/Version.cs" ]
         },
         "copyToOutput": {
-          "include": "data/*",
           "mappings": {
+            "data/ca.pem": "../Grpc.IntegrationTesting/data/ca.pem",
+            "data/server1.key": "../Grpc.IntegrationTesting/data/server1.key",
+            "data/server1.pem": "../Grpc.IntegrationTesting/data/server1.pem",
             "grpc_csharp_ext.x64.dll": "../../../vsprojects/x64/Debug/grpc_csharp_ext.dll",
             "grpc_csharp_ext.x86.dll": "../../../vsprojects/Debug/grpc_csharp_ext.dll",
             "libgrpc_csharp_ext.x64.so": "../../../libs/dbg/libgrpc_csharp_ext.so",
@@ -33,8 +35,10 @@
           "includeFiles": [ "../Grpc.Core/Version.cs" ]
         },
         "copyToOutput": {
-          "include": "data/*",
           "mappings": {
+            "data/ca.pem": "../Grpc.IntegrationTesting/data/ca.pem",
+            "data/server1.key": "../Grpc.IntegrationTesting/data/server1.key",
+            "data/server1.pem": "../Grpc.IntegrationTesting/data/server1.pem",
             "grpc_csharp_ext.x64.dll": "../../../vsprojects/x64/Release/grpc_csharp_ext.dll",
             "grpc_csharp_ext.x86.dll": "../../../vsprojects/Release/grpc_csharp_ext.dll",
             "libgrpc_csharp_ext.x64.so": "../../../libs/opt/libgrpc_csharp_ext.so",
diff --git a/src/csharp/Grpc.IntegrationTesting/project.json b/src/csharp/Grpc.IntegrationTesting/project.json
index db91a1614c..0225abb414 100644
--- a/src/csharp/Grpc.IntegrationTesting/project.json
+++ b/src/csharp/Grpc.IntegrationTesting/project.json
@@ -13,8 +13,10 @@
           "includeFiles": [ "../Grpc.Core/Version.cs" ]
         },
         "copyToOutput": {
-          "include": "data/*",
           "mappings": {
+            "data/ca.pem": "../Grpc.IntegrationTesting/data/ca.pem",
+            "data/server1.key": "../Grpc.IntegrationTesting/data/server1.key",
+            "data/server1.pem": "../Grpc.IntegrationTesting/data/server1.pem",
             "grpc_csharp_ext.x64.dll": "../../../vsprojects/x64/Debug/grpc_csharp_ext.dll",
             "grpc_csharp_ext.x86.dll": "../../../vsprojects/Debug/grpc_csharp_ext.dll",
             "libgrpc_csharp_ext.x64.so": "../../../libs/dbg/libgrpc_csharp_ext.so",
@@ -33,8 +35,10 @@
           "includeFiles": [ "../Grpc.Core/Version.cs" ]
         },
         "copyToOutput": {
-          "include": "data/*",
           "mappings": {
+            "data/ca.pem": "../Grpc.IntegrationTesting/data/ca.pem",
+            "data/server1.key": "../Grpc.IntegrationTesting/data/server1.key",
+            "data/server1.pem": "../Grpc.IntegrationTesting/data/server1.pem",
             "grpc_csharp_ext.x64.dll": "../../../vsprojects/x64/Release/grpc_csharp_ext.dll",
             "grpc_csharp_ext.x86.dll": "../../../vsprojects/Release/grpc_csharp_ext.dll",
             "libgrpc_csharp_ext.x64.so": "../../../libs/opt/libgrpc_csharp_ext.so",
diff --git a/templates/src/csharp/Grpc.Core/project.json.template b/templates/src/csharp/Grpc.Core/project.json.template
index ed5d649936..fcbef536c6 100644
--- a/templates/src/csharp/Grpc.Core/project.json.template
+++ b/templates/src/csharp/Grpc.Core/project.json.template
@@ -40,6 +40,7 @@
       "netstandard1.5": {
         "dependencies": {
           "NETStandard.Library": "1.6.0",
+          "System.Runtime.Loader": "4.0.0",
           "System.Threading.Thread": "4.0.0"
         }
       }
diff --git a/templates/src/csharp/build_options.include b/templates/src/csharp/build_options.include
index 2371f5a3c3..bda2d76074 100644
--- a/templates/src/csharp/build_options.include
+++ b/templates/src/csharp/build_options.include
@@ -16,10 +16,12 @@
           "includeFiles": [ "../Grpc.Core/Version.cs" ]
         },
         "copyToOutput": {
-          % if includeData:
-          "include": "data/*",
-          % endif
           "mappings": {
+            % if includeData:
+            "data/ca.pem": "../Grpc.IntegrationTesting/data/ca.pem",
+            "data/server1.key": "../Grpc.IntegrationTesting/data/server1.key",
+            "data/server1.pem": "../Grpc.IntegrationTesting/data/server1.pem",
+            % endif
             "grpc_csharp_ext.x64.dll": "../../../vsprojects/x64/Debug/grpc_csharp_ext.dll",
             "grpc_csharp_ext.x86.dll": "../../../vsprojects/Debug/grpc_csharp_ext.dll",
             "libgrpc_csharp_ext.x64.so": "../../../libs/dbg/libgrpc_csharp_ext.so",
@@ -38,10 +40,12 @@
           "includeFiles": [ "../Grpc.Core/Version.cs" ]
         },
         "copyToOutput": {
-          % if includeData:
-          "include": "data/*",
-          % endif
           "mappings": {
+            % if includeData:
+            "data/ca.pem": "../Grpc.IntegrationTesting/data/ca.pem",
+            "data/server1.key": "../Grpc.IntegrationTesting/data/server1.key",
+            "data/server1.pem": "../Grpc.IntegrationTesting/data/server1.pem",
+            % endif
             "grpc_csharp_ext.x64.dll": "../../../vsprojects/x64/Release/grpc_csharp_ext.dll",
             "grpc_csharp_ext.x86.dll": "../../../vsprojects/Release/grpc_csharp_ext.dll",
             "libgrpc_csharp_ext.x64.so": "../../../libs/opt/libgrpc_csharp_ext.so",
diff --git a/templates/tools/dockerfile/csharp_dotnetcli_deps.include b/templates/tools/dockerfile/csharp_dotnetcli_deps.include
new file mode 100644
index 0000000000..430f3fa3f2
--- /dev/null
+++ b/templates/tools/dockerfile/csharp_dotnetcli_deps.include
@@ -0,0 +1,13 @@
+# Install dotnet SDK based on https://www.microsoft.com/net/core#debian
+RUN apt-get update && apt-get install -y curl libunwind8 gettext
+RUN curl -sSL -o dotnet.tar.gz https://go.microsoft.com/fwlink/?LinkID=809130
+RUN mkdir -p /opt/dotnet && tar zxf dotnet.tar.gz -C /opt/dotnet
+RUN ln -s /opt/dotnet/dotnet /usr/local/bin
+
+# Trigger the population of the local package cache
+ENV NUGET_XMLDOC_MODE skip
+RUN mkdir warmup ${'\\'}
+    && cd warmup ${'\\'}
+    && dotnet new ${'\\'}
+    && cd .. ${'\\'}
+    && rm -rf warmup
diff --git a/templates/tools/dockerfile/interoptest/grpc_interop_csharpcoreclr/Dockerfile.template b/templates/tools/dockerfile/interoptest/grpc_interop_csharpcoreclr/Dockerfile.template
new file mode 100644
index 0000000000..092f04dac6
--- /dev/null
+++ b/templates/tools/dockerfile/interoptest/grpc_interop_csharpcoreclr/Dockerfile.template
@@ -0,0 +1,41 @@
+%YAML 1.2
+--- |
+  # Copyright 2015, 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.
+  
+  FROM debian:jessie
+  
+  <%include file="../../apt_get_basic.include"/>
+  <%include file="../../python_deps.include"/>
+  <%include file="../../csharp_deps.include"/>
+  <%include file="../../csharp_dotnetcli_deps.include"/>
+  <%include file="../../run_tests_addons.include"/>
+  # Define the default command.
+  CMD ["bash"]
+  
diff --git a/templates/tools/dockerfile/test/csharp_coreclr_x64/Dockerfile.template b/templates/tools/dockerfile/test/csharp_coreclr_x64/Dockerfile.template
index 24dad48807..092f04dac6 100644
--- a/templates/tools/dockerfile/test/csharp_coreclr_x64/Dockerfile.template
+++ b/templates/tools/dockerfile/test/csharp_coreclr_x64/Dockerfile.template
@@ -34,21 +34,7 @@
   <%include file="../../apt_get_basic.include"/>
   <%include file="../../python_deps.include"/>
   <%include file="../../csharp_deps.include"/>
-  
-  # Install dotnet SDK based on https://www.microsoft.com/net/core#debian
-  RUN apt-get update && apt-get install -y curl libunwind8 gettext
-  RUN curl -sSL -o dotnet.tar.gz https://go.microsoft.com/fwlink/?LinkID=809130
-  RUN mkdir -p /opt/dotnet && tar zxf dotnet.tar.gz -C /opt/dotnet
-  RUN ln -s /opt/dotnet/dotnet /usr/local/bin
-  
-  # Trigger the population of the local package cache
-  ENV NUGET_XMLDOC_MODE skip
-  RUN mkdir warmup ${'\\'}
-      && cd warmup ${'\\'}
-      && dotnet new ${'\\'}
-      && cd .. ${'\\'}
-      && rm -rf warmup
-  
+  <%include file="../../csharp_dotnetcli_deps.include"/>
   <%include file="../../run_tests_addons.include"/>
   # Define the default command.
   CMD ["bash"]
diff --git a/test/cpp/grpclb/grpclb_test.cc b/test/cpp/grpclb/grpclb_test.cc
index a4aa97391b..6f6fb83c23 100644
--- a/test/cpp/grpclb/grpclb_test.cc
+++ b/test/cpp/grpclb/grpclb_test.cc
@@ -37,7 +37,6 @@
 #include <cstring>
 #include <string>
 
-extern "C" {
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
@@ -47,6 +46,7 @@ extern "C" {
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 
+extern "C" {
 #include "src/core/ext/client_config/client_channel.h"
 #include "src/core/lib/channel/channel_stack.h"
 #include "src/core/lib/support/string.h"
diff --git a/tools/dockerfile/interoptest/grpc_interop_csharpcoreclr/Dockerfile b/tools/dockerfile/interoptest/grpc_interop_csharpcoreclr/Dockerfile
new file mode 100644
index 0000000000..efe6e39118
--- /dev/null
+++ b/tools/dockerfile/interoptest/grpc_interop_csharpcoreclr/Dockerfile
@@ -0,0 +1,126 @@
+# Copyright 2015, 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.
+
+FROM debian:jessie
+
+# Install Git and basic packages.
+RUN apt-get update && apt-get install -y \
+  autoconf \
+  autotools-dev \
+  build-essential \
+  bzip2 \
+  ccache \
+  curl \
+  gcc \
+  gcc-multilib \
+  git \
+  golang \
+  gyp \
+  lcov \
+  libc6 \
+  libc6-dbg \
+  libc6-dev \
+  libgtest-dev \
+  libtool \
+  make \
+  perl \
+  strace \
+  python-dev \
+  python-setuptools \
+  python-yaml \
+  telnet \
+  unzip \
+  wget \
+  zip && apt-get clean
+
+#================
+# Build profiling
+RUN apt-get update && apt-get install -y time && apt-get clean
+
+#====================
+# Python dependencies
+
+# Install dependencies
+
+RUN apt-get update && apt-get install -y \
+    python-all-dev \
+    python3-all-dev \
+    python-pip
+
+# Install Python packages from PyPI
+RUN pip install pip --upgrade
+RUN pip install virtualenv
+RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.0.0a2 six==1.10.0
+
+#================
+# C# dependencies
+
+# Update to a newer version of mono
+RUN apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
+RUN echo "deb http://download.mono-project.com/repo/debian wheezy main" | tee /etc/apt/sources.list.d/mono-xamarin.list
+RUN echo "deb http://download.mono-project.com/repo/debian wheezy-apache24-compat main" | tee -a /etc/apt/sources.list.d/mono-xamarin.list
+RUN echo "deb http://download.mono-project.com/repo/debian wheezy-libjpeg62-compat main" | tee -a /etc/apt/sources.list.d/mono-xamarin.list
+RUN echo "deb http://download.mono-project.com/repo/debian wheezy-libtiff-compat main" | tee -a /etc/apt/sources.list.d/mono-xamarin.list
+
+# Install dependencies
+RUN apt-get update && apt-get -y dist-upgrade && apt-get install -y \
+    mono-devel \
+    ca-certificates-mono \
+    nuget \
+    && apt-get clean
+
+RUN nuget update -self
+
+# Install dotnet SDK based on https://www.microsoft.com/net/core#debian
+RUN apt-get update && apt-get install -y curl libunwind8 gettext
+RUN curl -sSL -o dotnet.tar.gz https://go.microsoft.com/fwlink/?LinkID=809130
+RUN mkdir -p /opt/dotnet && tar zxf dotnet.tar.gz -C /opt/dotnet
+RUN ln -s /opt/dotnet/dotnet /usr/local/bin
+
+# Trigger the population of the local package cache
+ENV NUGET_XMLDOC_MODE skip
+RUN mkdir warmup \
+    && cd warmup \
+    && dotnet new \
+    && cd .. \
+    && rm -rf warmup
+
+# Prepare ccache
+RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
+RUN ln -s /usr/bin/ccache /usr/local/bin/g++
+RUN ln -s /usr/bin/ccache /usr/local/bin/cc
+RUN ln -s /usr/bin/ccache /usr/local/bin/c++
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang++
+
+
+RUN mkdir /var/local/jenkins
+
+# Define the default command.
+CMD ["bash"]
diff --git a/tools/dockerfile/interoptest/grpc_interop_csharpcoreclr/build_interop.sh b/tools/dockerfile/interoptest/grpc_interop_csharpcoreclr/build_interop.sh
new file mode 100755
index 0000000000..77cd65cce3
--- /dev/null
+++ b/tools/dockerfile/interoptest/grpc_interop_csharpcoreclr/build_interop.sh
@@ -0,0 +1,43 @@
+#!/bin/bash
+# Copyright 2015, 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.
+#
+# Builds C# interop server and client in a base image.
+set -e
+
+mkdir -p /var/local/git
+git clone --recursive /var/local/jenkins/grpc /var/local/git/grpc
+
+# copy service account keys if available
+cp -r /var/local/jenkins/service_account $HOME || true
+
+cd /var/local/git/grpc
+
+# build C# interop client & server
+tools/run_tests/run_tests.py -l csharp -c dbg --compiler coreclr --build_only
diff --git a/tools/dockerfile/test/csharp_coreclr_x64/Dockerfile b/tools/dockerfile/test/csharp_coreclr_x64/Dockerfile
index 4921815190..efe6e39118 100644
--- a/tools/dockerfile/test/csharp_coreclr_x64/Dockerfile
+++ b/tools/dockerfile/test/csharp_coreclr_x64/Dockerfile
@@ -97,7 +97,6 @@ RUN apt-get update && apt-get -y dist-upgrade && apt-get install -y \
 
 RUN nuget update -self
 
-
 # Install dotnet SDK based on https://www.microsoft.com/net/core#debian
 RUN apt-get update && apt-get install -y curl libunwind8 gettext
 RUN curl -sSL -o dotnet.tar.gz https://go.microsoft.com/fwlink/?LinkID=809130
diff --git a/tools/run_tests/performance/scenario_config.py b/tools/run_tests/performance/scenario_config.py
index 409ee8d4c8..e81b34c48e 100644
--- a/tools/run_tests/performance/scenario_config.py
+++ b/tools/run_tests/performance/scenario_config.py
@@ -29,6 +29,8 @@
 
 # performance scenario configuration for various languages
 
+import math
+
 WARMUP_SECONDS=5
 JAVA_WARMUP_SECONDS=15  # Java needs more warmup time for JIT to kick in.
 BENCHMARK_SECONDS=30
@@ -64,17 +66,17 @@ BIG_GENERIC_PAYLOAD = {
   }
 }
 
-# deep is the number of RPCs outstanding on a channel in non-ping-pong tests
-# (the value used is 1 otherwise)
-DEEP=100
+# target number of RPCs outstanding on across all client channels in
+# non-ping-pong tests (since we can only specify per-channel numbers, the
+# actual target will be slightly higher)
+OUTSTANDING_REQUESTS={
+    'async': 10000,
+    'sync': 1000
+}
 
 # wide is the number of client channels in multi-channel tests (1 otherwise)
 WIDE=64
 
-# For most synchronous clients, DEEP*WIDE threads will be created.
-SYNC_DEEP=10
-SYNC_WIDE=8
-
 
 def _get_secargs(is_secure):
   if is_secure:
@@ -140,14 +142,8 @@ def _ping_pong_scenario(name, rpc_type,
     scenario['client_config']['payload_config'] = EMPTY_PROTO_PAYLOAD
 
   if unconstrained_client:
-    if unconstrained_client == 'async':
-      deep = DEEP
-      wide = WIDE
-    elif unconstrained_client == 'sync':
-      deep = SYNC_DEEP
-      wide = SYNC_WIDE
-    else:
-      raise Exception('Illegal value of unconstrained_client option.')
+    wide = channels if channels is not None else WIDE
+    deep = int(math.ceil(1.0 * OUTSTANDING_REQUESTS[unconstrained_client] / wide))
 
     scenario['num_clients'] = 0  # use as many client as available.
     scenario['client_config']['outstanding_rpcs_per_channel'] = deep
@@ -158,9 +154,6 @@ def _ping_pong_scenario(name, rpc_type,
     scenario['client_config']['client_channels'] = 1
     scenario['client_config']['async_client_threads'] = 1
 
-  if channels is not None:
-    scenario['client_config']['client_channels'] = channels
-
   if client_language:
     # the CLIENT_LANGUAGE field is recognized by run_performance_tests.py
     scenario['CLIENT_LANGUAGE'] = client_language
@@ -254,7 +247,7 @@ class CXXLanguage:
 
         for channels in [1, 3, 10, 31, 100, 316, 1000]:
           yield _ping_pong_scenario(
-              'cpp_protobuf_async_unary_qps_unconstrained_%s_%d_channels' % (secstr, channels),
+              'cpp_protobuf_%s_unary_qps_unconstrained_%s_%d_channels' % (synchronicity, secstr, channels),
               rpc_type='UNARY',
               client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
               unconstrained_client=synchronicity, secure=secure,
diff --git a/tools/run_tests/run_interop_tests.py b/tools/run_tests/run_interop_tests.py
index 5feda65de8..389d070d63 100755
--- a/tools/run_tests/run_interop_tests.py
+++ b/tools/run_tests/run_interop_tests.py
@@ -127,6 +127,35 @@ class CSharpLanguage:
     return 'csharp'
 
 
+class CSharpCoreCLRLanguage:
+
+  def __init__(self):
+    self.client_cwd = 'src/csharp/Grpc.IntegrationTesting.Client/bin/Debug/netcoreapp1.0'
+    self.server_cwd = 'src/csharp/Grpc.IntegrationTesting.Server/bin/Debug/netcoreapp1.0'
+    self.safename = str(self)
+
+  def client_cmd(self, args):
+    return ['dotnet', 'exec', 'Grpc.IntegrationTesting.Client.dll'] + args
+
+  def cloud_to_prod_env(self):
+    return {}
+
+  def server_cmd(self, args):
+    return ['dotnet', 'exec', 'Grpc.IntegrationTesting.Server.dll', '--use_tls=true'] + args
+
+  def global_env(self):
+    return {}
+
+  def unimplemented_test_cases(self):
+    return _SKIP_SERVER_COMPRESSION
+
+  def unimplemented_test_cases_server(self):
+    return _SKIP_COMPRESSION
+
+  def __str__(self):
+    return 'csharpcoreclr'
+
+
 class JavaLanguage:
 
   def __init__(self):
@@ -367,6 +396,7 @@ class PythonLanguage:
 _LANGUAGES = {
     'c++' : CXXLanguage(),
     'csharp' : CSharpLanguage(),
+    'csharpcoreclr' : CSharpCoreCLRLanguage(),
     'go' : GoLanguage(),
     'java' : JavaLanguage(),
     'node' : NodeLanguage(),
@@ -377,7 +407,7 @@ _LANGUAGES = {
 }
 
 # languages supported as cloud_to_cloud servers
-_SERVERS = ['c++', 'node', 'csharp', 'java', 'go', 'ruby', 'python']
+_SERVERS = ['c++', 'node', 'csharp', 'csharpcoreclr', 'java', 'go', 'ruby', 'python']
 
 _TEST_CASES = ['large_unary', 'empty_unary', 'ping_pong',
                'empty_stream', 'client_streaming', 'server_streaming',
@@ -435,7 +465,7 @@ def auth_options(language, test_case):
   default_account_arg = '--default_service_account=830293263384-compute@developer.gserviceaccount.com'
 
   if test_case in ['jwt_token_creds', 'per_rpc_creds', 'oauth2_auth_token']:
-    if language in ['csharp', 'node', 'php', 'php7', 'python', 'ruby']:
+    if language in ['csharp', 'csharpcoreclr', 'node', 'php', 'php7', 'python', 'ruby']:
       env['GOOGLE_APPLICATION_CREDENTIALS'] = key_filepath
     else:
       cmdargs += [key_file_arg]
diff --git a/tools/run_tests/run_performance_tests.py b/tools/run_tests/run_performance_tests.py
index 76a4061c85..25f5d4639f 100755
--- a/tools/run_tests/run_performance_tests.py
+++ b/tools/run_tests/run_performance_tests.py
@@ -300,7 +300,8 @@ def create_scenarios(languages, workers_by_lang, remote_host=None, regex='.*',
   for language in languages:
     for scenario_json in language.scenarios():
       if re.search(args.regex, scenario_json['name']):
-        if category in scenario_json.get('CATEGORIES', []) or category == 'all':
+        categories = scenario_json.get('CATEGORIES', [])
+        if category in categories or (category == 'all' and categories != ['sweep']):
           workers = workers_by_lang[str(language)]
           # 'SERVER_LANGUAGE' is an indicator for this script to pick
           # a server in different language.
diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index 3b9c9ae6e4..27d3cf08f7 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -29619,7 +29619,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 157, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -29646,7 +29646,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_one_server_core_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 1, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_one_server_core_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 1, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 157, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -29727,7 +29727,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"SYNC_SERVER\"}, \"client_config\": {\"client_type\": \"SYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 8, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 10, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"SYNC_SERVER\"}, \"client_config\": {\"client_type\": \"SYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -29754,7 +29754,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"SYNC_SERVER\"}, \"client_config\": {\"client_type\": \"SYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 8, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 10, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"SYNC_SERVER\"}, \"client_config\": {\"client_type\": \"SYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -29781,7 +29781,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_secure_1_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 10, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_qps_unconstrained_secure_1_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1000, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -29802,13 +29802,13 @@
       "posix", 
       "windows"
     ], 
-    "shortname": "json_run_localhost:cpp_protobuf_async_unary_qps_unconstrained_secure_1_channels", 
+    "shortname": "json_run_localhost:cpp_protobuf_sync_unary_qps_unconstrained_secure_1_channels", 
     "timeout_seconds": 180
   }, 
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_secure_3_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 3, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 10, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_qps_unconstrained_secure_3_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 3, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 334, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -29829,13 +29829,13 @@
       "posix", 
       "windows"
     ], 
-    "shortname": "json_run_localhost:cpp_protobuf_async_unary_qps_unconstrained_secure_3_channels", 
+    "shortname": "json_run_localhost:cpp_protobuf_sync_unary_qps_unconstrained_secure_3_channels", 
     "timeout_seconds": 180
   }, 
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_secure_10_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 10, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 10, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_qps_unconstrained_secure_10_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 10, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -29856,13 +29856,13 @@
       "posix", 
       "windows"
     ], 
-    "shortname": "json_run_localhost:cpp_protobuf_async_unary_qps_unconstrained_secure_10_channels", 
+    "shortname": "json_run_localhost:cpp_protobuf_sync_unary_qps_unconstrained_secure_10_channels", 
     "timeout_seconds": 180
   }, 
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_secure_31_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 31, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 10, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_qps_unconstrained_secure_31_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 31, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 33, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -29883,13 +29883,13 @@
       "posix", 
       "windows"
     ], 
-    "shortname": "json_run_localhost:cpp_protobuf_async_unary_qps_unconstrained_secure_31_channels", 
+    "shortname": "json_run_localhost:cpp_protobuf_sync_unary_qps_unconstrained_secure_31_channels", 
     "timeout_seconds": 180
   }, 
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_secure_100_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 100, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 10, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_qps_unconstrained_secure_100_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 100, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 10, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -29910,13 +29910,13 @@
       "posix", 
       "windows"
     ], 
-    "shortname": "json_run_localhost:cpp_protobuf_async_unary_qps_unconstrained_secure_100_channels", 
+    "shortname": "json_run_localhost:cpp_protobuf_sync_unary_qps_unconstrained_secure_100_channels", 
     "timeout_seconds": 180
   }, 
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_secure_316_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 316, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 10, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_qps_unconstrained_secure_316_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 316, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 4, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -29937,13 +29937,13 @@
       "posix", 
       "windows"
     ], 
-    "shortname": "json_run_localhost:cpp_protobuf_async_unary_qps_unconstrained_secure_316_channels", 
+    "shortname": "json_run_localhost:cpp_protobuf_sync_unary_qps_unconstrained_secure_316_channels", 
     "timeout_seconds": 180
   }, 
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_secure_1000_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1000, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 10, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_qps_unconstrained_secure_1000_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1000, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -29964,7 +29964,7 @@
       "posix", 
       "windows"
     ], 
-    "shortname": "json_run_localhost:cpp_protobuf_async_unary_qps_unconstrained_secure_1000_channels", 
+    "shortname": "json_run_localhost:cpp_protobuf_sync_unary_qps_unconstrained_secure_1000_channels", 
     "timeout_seconds": 180
   }, 
   {
@@ -30024,7 +30024,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 157, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -30051,7 +30051,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 157, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -30078,7 +30078,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_secure_1_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_secure_1_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 10000, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -30105,7 +30105,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_secure_3_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 3, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_secure_3_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 3, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 3334, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -30132,7 +30132,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_secure_10_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 10, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_secure_10_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 10, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1000, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -30159,7 +30159,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_secure_31_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 31, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_secure_31_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 31, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 323, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -30213,7 +30213,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_secure_316_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 316, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_secure_316_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 316, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 32, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -30240,7 +30240,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_secure_1000_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1000, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_secure_1000_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1000, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 10, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -30294,7 +30294,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 157, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -30321,7 +30321,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_one_server_core_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 1, \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_one_server_core_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 1, \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 157, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -30402,7 +30402,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": null, \"server_type\": \"SYNC_SERVER\"}, \"client_config\": {\"client_type\": \"SYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 8, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 10, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": null, \"server_type\": \"SYNC_SERVER\"}, \"client_config\": {\"client_type\": \"SYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -30429,7 +30429,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": null, \"server_type\": \"SYNC_SERVER\"}, \"client_config\": {\"client_type\": \"SYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 8, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 10, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": null, \"server_type\": \"SYNC_SERVER\"}, \"client_config\": {\"client_type\": \"SYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -30456,7 +30456,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_insecure_1_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": null, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 10, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_qps_unconstrained_insecure_1_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": null, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1000, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -30477,13 +30477,13 @@
       "posix", 
       "windows"
     ], 
-    "shortname": "json_run_localhost:cpp_protobuf_async_unary_qps_unconstrained_insecure_1_channels", 
+    "shortname": "json_run_localhost:cpp_protobuf_sync_unary_qps_unconstrained_insecure_1_channels", 
     "timeout_seconds": 180
   }, 
   {
     "args": [
       "--scenarios_json", 
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@@ -30504,13 +30504,13 @@
       "posix", 
       "windows"
     ], 
-    "shortname": "json_run_localhost:cpp_protobuf_async_unary_qps_unconstrained_insecure_3_channels", 
+    "shortname": "json_run_localhost:cpp_protobuf_sync_unary_qps_unconstrained_insecure_3_channels", 
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@@ -30531,13 +30531,13 @@
       "posix", 
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-    "shortname": "json_run_localhost:cpp_protobuf_async_unary_qps_unconstrained_insecure_10_channels", 
+    "shortname": "json_run_localhost:cpp_protobuf_sync_unary_qps_unconstrained_insecure_10_channels", 
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@@ -30558,13 +30558,13 @@
       "posix", 
       "windows"
     ], 
-    "shortname": "json_run_localhost:cpp_protobuf_async_unary_qps_unconstrained_insecure_31_channels", 
+    "shortname": "json_run_localhost:cpp_protobuf_sync_unary_qps_unconstrained_insecure_31_channels", 
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@@ -30585,13 +30585,13 @@
       "posix", 
       "windows"
     ], 
-    "shortname": "json_run_localhost:cpp_protobuf_async_unary_qps_unconstrained_insecure_100_channels", 
+    "shortname": "json_run_localhost:cpp_protobuf_sync_unary_qps_unconstrained_insecure_100_channels", 
     "timeout_seconds": 180
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@@ -30612,13 +30612,13 @@
       "posix", 
       "windows"
     ], 
-    "shortname": "json_run_localhost:cpp_protobuf_async_unary_qps_unconstrained_insecure_316_channels", 
+    "shortname": "json_run_localhost:cpp_protobuf_sync_unary_qps_unconstrained_insecure_316_channels", 
     "timeout_seconds": 180
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@@ -30639,7 +30639,7 @@
       "posix", 
       "windows"
     ], 
-    "shortname": "json_run_localhost:cpp_protobuf_async_unary_qps_unconstrained_insecure_1000_channels", 
+    "shortname": "json_run_localhost:cpp_protobuf_sync_unary_qps_unconstrained_insecure_1000_channels", 
     "timeout_seconds": 180
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@@ -30699,7 +30699,7 @@
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-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": null, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": null, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 157, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
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@@ -30726,7 +30726,7 @@
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+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": null, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 157, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
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@@ -30753,7 +30753,7 @@
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+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_insecure_1_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": null, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 10000, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
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@@ -30780,7 +30780,7 @@
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+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_insecure_3_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": null, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 3, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 3334, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
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@@ -30807,7 +30807,7 @@
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+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_insecure_10_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": null, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 10, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1000, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
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@@ -30834,7 +30834,7 @@
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+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_insecure_31_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": null, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 31, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 323, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
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@@ -30888,7 +30888,7 @@
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+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_insecure_316_channels\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": null, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 316, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 32, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
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@@ -30915,7 +30915,7 @@
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