165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn/* 265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Copyright (C) 2011 The Android Open Source Project 365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * 465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Licensed under the Apache License, Version 2.0 (the "License"); 565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * you may not use this file except in compliance with the License. 665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * You may obtain a copy of the License at 765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * 865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * http://www.apache.org/licenses/LICENSE-2.0 965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * 1065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Unless required by applicable law or agreed to in writing, software 1165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * distributed under the License is distributed on an "AS IS" BASIS, 1265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * See the License for the specific language governing permissions and 1465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * limitations under the License. 1565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 1665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn#include "base/logging.h" 1865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn#include "base/utilities.h" 1965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn#include "core/time_util.h" 2165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn#include <map> 2365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn#include <string> 2465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn#include <sys/time.h> 2565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennnamespace android { 2765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennnamespace filterfw { 2865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennuint64_t getTimeUs() { 3065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn static long basesec; 3165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn struct timeval tv; 3265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn uint64_t nowtime; 3365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn gettimeofday(&tv, 0); 3465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (basesec == 0) { 3565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn basesec = tv.tv_sec; 3665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 3765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn nowtime = (uint64_t)(tv.tv_sec - basesec) * (uint64_t)1000000 + 3865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn (uint64_t)tv.tv_usec; 3965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return nowtime; 4065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 4165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennconst uint64_t NamedStopWatch::kDefaultLoggingPeriodInFrames = 100; 4365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius RennNamedStopWatch::NamedStopWatch(const std::string& name) 4565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn : mName(name), 4665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mLoggingPeriodInFrames(kDefaultLoggingPeriodInFrames), 4765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mStartUSec(0), 4865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mNumCalls(0), 4965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mTotalUSec(0) { 5065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 5165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennvoid NamedStopWatch::Start() { 5365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mStartUSec = getTimeUs(); 5465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 5565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennvoid NamedStopWatch::Stop() { 5765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (!mStartUSec) { 5865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return; 5965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 6065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn uint64_t stopUSec = getTimeUs(); 6165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (stopUSec > mStartUSec) { 6265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn ++mNumCalls; 6365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mTotalUSec += stopUSec - mStartUSec; 6465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mNumCalls % mLoggingPeriodInFrames == 0) { 6565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn const float mSec = TotalUSec() * 1.0E-3f / NumCalls(); 6665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn ALOGE("%s: %f ms", Name().c_str(), mSec); 6765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 6865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 6965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mStartUSec = 0; 7065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 7165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennnamespace { 7365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennstatic NamedStopWatch* GetWatchForName(const string& watch_name) { 7465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // TODO: this leaks the NamedStopWatch objects. Replace it with a 7565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // singleton to avoid that and make it thread safe. 7665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn static map<string, NamedStopWatch*> watches; 7765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn NamedStopWatch* watch = FindPtrOrNull(watches, watch_name); 7865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (!watch) { 7965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn watch = new NamedStopWatch(watch_name); 8065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn watches[watch_name] = watch; 8165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 8265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return watch; 8365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn}; 8465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} // namespace 8565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius RennScopedTimer::ScopedTimer(const string& stop_watch_name) { 8765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mWatch = GetWatchForName(stop_watch_name); 8865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mWatch->Start(); 8965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 9065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 9165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} // namespace filterfw 9265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} // namespace android 93