1686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang/* 2686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang * Copyright (C) 2017 The Android Open Source Project 3686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang * 4686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang * Licensed under the Apache License, Version 2.0 (the "License"); 5686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang * you may not use this file except in compliance with the License. 6686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang * You may obtain a copy of the License at 7686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang * 8686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang * http://www.apache.org/licenses/LICENSE-2.0 9686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang * 10686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang * Unless required by applicable law or agreed to in writing, software 11686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang * distributed under the License is distributed on an "AS IS" BASIS, 12686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang * See the License for the specific language governing permissions and 14686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang * limitations under the License. 15686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang */ 16686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang 17686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang#ifndef ANDROID_SERVERS_CAMERA_LATENCY_HISTOGRAM_H_ 18686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang#define ANDROID_SERVERS_CAMERA_LATENCY_HISTOGRAM_H_ 19686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang 20686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang#include <vector> 21686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang 22686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang#include <utils/Timers.h> 23686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang#include <utils/Mutex.h> 24686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang 25686f644f981badd481d8781bf80b221544df7b1fShuzhen Wangnamespace android { 26686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang 27686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang// Histogram for camera latency characteristic 28686f644f981badd481d8781bf80b221544df7b1fShuzhen Wangclass CameraLatencyHistogram { 29686f644f981badd481d8781bf80b221544df7b1fShuzhen Wangpublic: 30686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang CameraLatencyHistogram() = delete; 31686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang CameraLatencyHistogram(int32_t binSizeMs, int32_t binCount=10); 32686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang void add(nsecs_t start, nsecs_t end); 33686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang void reset(); 34686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang 35686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang void dump(int fd, const char* name) const; 36686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang void log(const char* format, ...); 37686f644f981badd481d8781bf80b221544df7b1fShuzhen Wangprivate: 38686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang int32_t mBinSizeMs; 39686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang int32_t mBinCount; 40686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang std::vector<int64_t> mBins; 41686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang uint64_t mTotalCount; 42686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang 43686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang void formatHistogramText(String8& lineBins, String8& lineBinCounts) const; 44686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang}; // class CameraLatencyHistogram 45686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang 46686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang}; // namespace android 47686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang 48686f644f981badd481d8781bf80b221544df7b1fShuzhen Wang#endif // ANDROID_SERVERS_CAMERA_LATENCY_HISTOGRAM_H_ 49