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82 lines
2.8 KiB
82 lines
2.8 KiB
/*
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*
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* Copyright 2017 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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#include <string.h>
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#include "test/cpp/microbenchmarks/helpers.h"
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void TrackCounters::Finish(benchmark::State& state) {
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std::ostringstream out;
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for (const auto& l : labels_) {
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out << l << ' ';
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}
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AddToLabel(out, state);
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std::string label = out.str();
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if (label.length() && label[0] == ' ') {
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label = label.substr(1);
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}
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state.SetLabel(label.c_str());
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}
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void TrackCounters::AddLabel(const grpc::string& label) {
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labels_.push_back(label);
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}
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void TrackCounters::AddToLabel(std::ostream& out, benchmark::State& state) {
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#ifdef GRPC_COLLECT_STATS
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grpc_stats_data stats_end;
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grpc_stats_collect(&stats_end);
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grpc_stats_data stats;
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grpc_stats_diff(&stats_end, &stats_begin_, &stats);
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for (int i = 0; i < GRPC_STATS_COUNTER_COUNT; i++) {
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out << " " << grpc_stats_counter_name[i] << "/iter:"
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<< (static_cast<double>(stats.counters[i]) /
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static_cast<double>(state.iterations()));
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}
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for (int i = 0; i < GRPC_STATS_HISTOGRAM_COUNT; i++) {
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out << " " << grpc_stats_histogram_name[i] << "-median:"
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<< grpc_stats_histo_percentile(&stats, (grpc_stats_histograms)i, 50.0)
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<< " " << grpc_stats_histogram_name[i] << "-99p:"
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<< grpc_stats_histo_percentile(&stats, (grpc_stats_histograms)i, 99.0);
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}
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#endif
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#ifdef GPR_LOW_LEVEL_COUNTERS
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grpc_memory_counters counters_at_end = grpc_memory_counters_snapshot();
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out << " locks/iter:"
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<< ((double)(gpr_atm_no_barrier_load(&gpr_mu_locks) -
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mu_locks_at_start_) /
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(double)state.iterations())
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<< " atm_cas/iter:"
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<< ((double)(gpr_atm_no_barrier_load(&gpr_counter_atm_cas) -
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atm_cas_at_start_) /
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(double)state.iterations())
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<< " atm_add/iter:"
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<< ((double)(gpr_atm_no_barrier_load(&gpr_counter_atm_add) -
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atm_add_at_start_) /
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(double)state.iterations())
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<< " nows/iter:"
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<< ((double)(gpr_atm_no_barrier_load(&gpr_now_call_count) -
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now_calls_at_start_) /
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(double)state.iterations())
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<< " allocs/iter:"
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<< ((double)(counters_at_end.total_allocs_absolute -
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counters_at_start_.total_allocs_absolute) /
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(double)state.iterations());
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#endif
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}
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