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/*
* Copyright (C) 2011 The Android Open Source Project
*
* 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 ART_SRC_TIMING_LOGGER_H_
#define ART_SRC_TIMING_LOGGER_H_
#include "logging.h"
#include "utils.h"
#include <stdint.h>
#include <string>
#include <vector>
namespace art {
class TimingLogger {
public:
explicit TimingLogger(const char* name) : name_(name) {
AddSplit("");
}
void AddSplit(const std::string& label) {
times_.push_back(NanoTime());
labels_.push_back(label);
}
void Dump() {
LOG(INFO) << name_ << ": begin";
for (size_t i = 1; i < times_.size(); ++i) {
LOG(INFO) << name_ << StringPrintf(": %8lld ms, ", NsToMs(times_[i] - times_[i-1])) << labels_[i];
}
LOG(INFO) << name_ << ": end, " << NsToMs(GetTotalNs()) << " ms";
}
uint64_t GetTotalNs() {
return times_.back() - times_.front();
}
private:
std::string name_;
std::vector<uint64_t> times_;
std::vector<std::string> labels_;
};
} // namespace art
#endif // ART_SRC_TIMING_LOGGER_H_
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