| /* |
| * |
| * Copyright 2017 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| #include "test/cpp/microbenchmarks/helpers.h" |
| |
| void TrackCounters::Finish(benchmark::State &state) { |
| std::ostringstream out; |
| AddToLabel(out, state); |
| std::string label = out.str(); |
| if (label.length() && label[0] == ' ') { |
| label = label.substr(1); |
| } |
| state.SetLabel(label.c_str()); |
| } |
| |
| void TrackCounters::AddToLabel(std::ostream &out, benchmark::State &state) { |
| grpc_stats_data stats_end; |
| grpc_stats_collect(&stats_end); |
| grpc_stats_data stats; |
| grpc_stats_diff(&stats_end, &stats_begin_, &stats); |
| for (int i = 0; i < GRPC_STATS_COUNTER_COUNT; i++) { |
| out << " " << grpc_stats_counter_name[i] |
| << "/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); |
| } |
| #ifdef GPR_LOW_LEVEL_COUNTERS |
| grpc_memory_counters counters_at_end = grpc_memory_counters_snapshot(); |
| out << " locks/iter:" << ((double)(gpr_atm_no_barrier_load(&gpr_mu_locks) - |
| mu_locks_at_start_) / |
| (double)state.iterations()) |
| << " atm_cas/iter:" |
| << ((double)(gpr_atm_no_barrier_load(&gpr_counter_atm_cas) - |
| atm_cas_at_start_) / |
| (double)state.iterations()) |
| << " atm_add/iter:" |
| << ((double)(gpr_atm_no_barrier_load(&gpr_counter_atm_add) - |
| atm_add_at_start_) / |
| (double)state.iterations()) |
| << " nows/iter:" |
| << ((double)(gpr_atm_no_barrier_load(&gpr_now_call_count) - |
| now_calls_at_start_) / |
| (double)state.iterations()) |
| << " allocs/iter:" |
| << ((double)(counters_at_end.total_allocs_absolute - |
| counters_at_start_.total_allocs_absolute) / |
| (double)state.iterations()); |
| #endif |
| } |