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/*
*
* 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.
*
*/
#ifndef TEST_CPP_MICROBENCHMARKS_COUNTERS_H
#define TEST_CPP_MICROBENCHMARKS_COUNTERS_H
#include <sstream>
#include <vector>
#include <grpc/support/port_platform.h>
#include "src/core/lib/debug/stats.h"
#include "test/core/util/memory_counters.h"
#include <benchmark/benchmark.h>
#include <grpc++/impl/grpc_library.h>
class Library {
public:
static Library& get() {
static Library lib;
return lib;
}
grpc_resource_quota* rq() { return rq_; }
private:
Library() {
#ifdef GPR_LOW_LEVEL_COUNTERS
grpc_memory_counters_init();
#endif
init_lib_.init();
rq_ = grpc_resource_quota_create("bm");
}
~Library() { init_lib_.shutdown(); }
grpc::internal::GrpcLibrary init_lib_;
grpc_resource_quota* rq_;
};
#ifdef GPR_LOW_LEVEL_COUNTERS
extern gpr_atm gpr_mu_locks;
extern gpr_atm gpr_counter_atm_cas;
extern gpr_atm gpr_counter_atm_add;
extern gpr_atm gpr_now_call_count;
#endif
class TrackCounters {
public:
TrackCounters() { grpc_stats_collect(&stats_begin_); }
virtual void Finish(benchmark::State& state);
virtual void AddLabel(const grpc::string& label);
virtual void AddToLabel(std::ostream& out, benchmark::State& state);
private:
grpc_stats_data stats_begin_;
std::vector<grpc::string> labels_;
#ifdef GPR_LOW_LEVEL_COUNTERS
const size_t mu_locks_at_start_ = gpr_atm_no_barrier_load(&gpr_mu_locks);
const size_t atm_cas_at_start_ =
gpr_atm_no_barrier_load(&gpr_counter_atm_cas);
const size_t atm_add_at_start_ =
gpr_atm_no_barrier_load(&gpr_counter_atm_add);
const size_t now_calls_at_start_ =
gpr_atm_no_barrier_load(&gpr_now_call_count);
grpc_memory_counters counters_at_start_ = grpc_memory_counters_snapshot();
#endif
};
#endif