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/*
* Copyright (c) 2019 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "modules/audio_processing/test/api_call_statistics.h"
#include <algorithm>
#include <fstream>
#include <iostream>
#include <limits>
#include <memory>
#include <string>
#include "absl/strings/string_view.h"
#include "rtc_base/time_utils.h"
namespace webrtc {
namespace test {
void ApiCallStatistics::Add(int64_t duration_nanos, CallType call_type) {
calls_.push_back(CallData(duration_nanos, call_type));
}
void ApiCallStatistics::PrintReport() const {
int64_t min_render = std::numeric_limits<int64_t>::max();
int64_t min_capture = std::numeric_limits<int64_t>::max();
int64_t max_render = 0;
int64_t max_capture = 0;
int64_t sum_render = 0;
int64_t sum_capture = 0;
int64_t num_render = 0;
int64_t num_capture = 0;
int64_t avg_render = 0;
int64_t avg_capture = 0;
for (auto v : calls_) {
if (v.call_type == CallType::kRender) {
++num_render;
min_render = std::min(min_render, v.duration_nanos);
max_render = std::max(max_render, v.duration_nanos);
sum_render += v.duration_nanos;
} else {
++num_capture;
min_capture = std::min(min_capture, v.duration_nanos);
max_capture = std::max(max_capture, v.duration_nanos);
sum_capture += v.duration_nanos;
}
}
min_render /= rtc::kNumNanosecsPerMicrosec;
max_render /= rtc::kNumNanosecsPerMicrosec;
sum_render /= rtc::kNumNanosecsPerMicrosec;
min_capture /= rtc::kNumNanosecsPerMicrosec;
max_capture /= rtc::kNumNanosecsPerMicrosec;
sum_capture /= rtc::kNumNanosecsPerMicrosec;
avg_render = num_render > 0 ? sum_render / num_render : 0;
avg_capture = num_capture > 0 ? sum_capture / num_capture : 0;
std::cout << std::endl
<< "Total time: " << (sum_capture + sum_render) * 1e-6 << " s"
<< std::endl
<< " Render API calls:" << std::endl
<< " min: " << min_render << " us" << std::endl
<< " max: " << max_render << " us" << std::endl
<< " avg: " << avg_render << " us" << std::endl
<< " Capture API calls:" << std::endl
<< " min: " << min_capture << " us" << std::endl
<< " max: " << max_capture << " us" << std::endl
<< " avg: " << avg_capture << " us" << std::endl;
}
void ApiCallStatistics::WriteReportToFile(absl::string_view filename) const {
std::unique_ptr<std::ofstream> out =
std::make_unique<std::ofstream>(std::string(filename));
for (auto v : calls_) {
if (v.call_type == CallType::kRender) {
*out << "render, ";
} else {
*out << "capture, ";
}
*out << (v.duration_nanos / rtc::kNumNanosecsPerMicrosec) << std::endl;
}
}
ApiCallStatistics::CallData::CallData(int64_t duration_nanos,
CallType call_type)
: duration_nanos(duration_nanos), call_type(call_type) {}
} // namespace test
} // namespace webrtc