1 // Copyright 2015 Google Inc. All rights reserved 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 // +build ignore 16 17 #include "timeutil.h" 18 19 #include <sys/time.h> 20 #include <time.h> 21 22 #include "log.h" 23 24 double GetTime() { 25 #if defined(__linux__) 26 struct timespec ts; 27 clock_gettime(CLOCK_REALTIME, &ts); 28 return ts.tv_sec + ts.tv_nsec * 0.001 * 0.001 * 0.001; 29 #else 30 struct timeval tv; 31 if (gettimeofday(&tv, NULL) < 0) 32 PERROR("gettimeofday"); 33 return tv.tv_sec + tv.tv_usec * 0.001 * 0.001; 34 #endif 35 } 36 37 ScopedTimeReporter::ScopedTimeReporter(const char* name) 38 : name_(name), start_(GetTime()) { 39 } 40 41 ScopedTimeReporter::~ScopedTimeReporter() { 42 double elapsed = GetTime() - start_; 43 LOG_STAT("%s: %f", name_, elapsed); 44 } 45
