Add call size bm_diff

Makefile

@@ -8298,6 +8298,7 @@ LIBBENCHMARK_SRC = \
     third_party/benchmark/src/commandlineflags.cc \
     third_party/benchmark/src/complexity.cc \
     third_party/benchmark/src/console_reporter.cc \
+    third_party/benchmark/src/counter.cc \
     third_party/benchmark/src/csv_reporter.cc \
     third_party/benchmark/src/json_reporter.cc \
     third_party/benchmark/src/reporter.cc \

grpc.gyp

@@ -2316,6 +2316,7 @@
         'third_party/benchmark/src/commandlineflags.cc',
         'third_party/benchmark/src/complexity.cc',
         'third_party/benchmark/src/console_reporter.cc',
+        'third_party/benchmark/src/counter.cc',
         'third_party/benchmark/src/csv_reporter.cc',
         'third_party/benchmark/src/json_reporter.cc',
         'third_party/benchmark/src/reporter.cc',

test/cpp/microbenchmarks/helpers.cc

@@ -16,6 +16,8 @@
  *
  */
 
+#include <string.h>
+
 #include "test/cpp/microbenchmarks/helpers.h"
 
 void TrackCounters::Finish(benchmark::State &state) {
@@ -45,10 +47,14 @@ void TrackCounters::AddToLabel(std::ostream &out, benchmark::State &state) {
         << "/iter:" << ((double)stats.counters[i] / (double)state.iterations());
   }
   for (int i = 0; i < GRPC_STATS_HISTOGRAM_COUNT; i++) {
-    out << " " << grpc_stats_histogram_name[i] << "-median:"
-        << grpc_stats_histo_percentile(&stats, (grpc_stats_histograms)i, 50.0)
-        << " " << grpc_stats_histogram_name[i] << "-99p:"
-        << grpc_stats_histo_percentile(&stats, (grpc_stats_histograms)i, 99.0);
+    std::ostringstream median_ss;
+    median_ss << grpc_stats_histogram_name[i] << "-median";
+    state.counters[median_ss.str()] = benchmark::Counter(
+        grpc_stats_histo_percentile(&stats, (grpc_stats_histograms)i, 50.0));
+    std::ostringstream tail_ss;
+    tail_ss << grpc_stats_histogram_name[i] << "-99p";
+    state.counters[tail_ss.str()] = benchmark::Counter(
+        grpc_stats_histo_percentile(&stats, (grpc_stats_histograms)i, 99.0));
   }
 #ifdef GPR_LOW_LEVEL_COUNTERS
   grpc_memory_counters counters_at_end = grpc_memory_counters_snapshot();

third_party/benchmark

@@ -1 +1 @@
-Subproject commit 44c25c892a6229b20db7cd9dc05584ea865896de
+Subproject commit 5b7683f49e1e9223cf9927b24f6fd3d6bd82e3f8

tools/profiling/microbenchmarks/bm_diff/bm_constants.py

@@ -23,7 +23,7 @@ _AVAILABLE_BENCHMARK_TESTS = [
   'bm_metadata', 'bm_fullstack_trickle'
 ]
 
-_INTERESTING = ('cpu_time', 'real_time', 'locks_per_iteration',
+_INTERESTING = ('cpu_time', 'real_time', 'call_initial_size-median', 'locks_per_iteration',
         'allocs_per_iteration', 'writes_per_iteration',
         'atm_cas_per_iteration', 'atm_add_per_iteration',
         'nows_per_iteration', 'cli_transport_stalls_per_iteration', 

tools/run_tests/generated/sources_and_headers.json

@@ -7453,7 +7453,6 @@
     "headers": [
       "third_party/benchmark/include/benchmark/benchmark.h", 
       "third_party/benchmark/include/benchmark/benchmark_api.h", 
-      "third_party/benchmark/include/benchmark/macros.h", 
       "third_party/benchmark/include/benchmark/reporter.h", 
       "third_party/benchmark/src/arraysize.h", 
       "third_party/benchmark/src/benchmark_api_internal.h", 
@@ -7461,6 +7460,7 @@
       "third_party/benchmark/src/colorprint.h", 
       "third_party/benchmark/src/commandlineflags.h", 
       "third_party/benchmark/src/complexity.h", 
+      "third_party/benchmark/src/counter.h", 
       "third_party/benchmark/src/cycleclock.h", 
       "third_party/benchmark/src/internal_macros.h", 
       "third_party/benchmark/src/log.h", 

tools/run_tests/sanity/check_submodules.sh

@@ -26,7 +26,7 @@ want_submodules=`mktemp /tmp/submXXXXXX`
 
 git submodule | awk '{ print $1 }' | sort > $submodules
 cat << EOF | awk '{ print $1 }' | sort > $want_submodules
- 44c25c892a6229b20db7cd9dc05584ea865896de third_party/benchmark (v0.1.0-343-g44c25c8)
+ 5b7683f49e1e9223cf9927b24f6fd3d6bd82e3f8 third_party/benchmark (v1.2.0)
  be2ee342d3781ddb954f91f8a7e660c6f59e87e5 third_party/boringssl (heads/chromium-stable)
  886e7d75368e3f4fab3f4d0d3584e4abfc557755 third_party/boringssl-with-bazel (version_for_cocoapods_7.0-857-g886e7d7)
  30dbc81fb5ffdc98ea9b14b1918bfe4e8779b26e third_party/gflags (v2.2.0)