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/*
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*
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* Copyright 2017, Google Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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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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AddToLabel(out, state);
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auto 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);
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}
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void TrackCounters::AddToLabel(std::ostream &out, benchmark::State &state) {
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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:" << ((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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<< " 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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