1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "base/test/perf_log.h" 6 7 #include "base/file_util.h" 8 #include "base/logging.h" 9 10 namespace base { 11 12 static FILE* perf_log_file = NULL; 13 14 bool InitPerfLog(const FilePath& log_file) { 15 if (perf_log_file) { 16 // trying to initialize twice 17 NOTREACHED(); 18 return false; 19 } 20 21 perf_log_file = OpenFile(log_file, "w"); 22 return perf_log_file != NULL; 23 } 24 25 void FinalizePerfLog() { 26 if (!perf_log_file) { 27 // trying to cleanup without initializing 28 NOTREACHED(); 29 return; 30 } 31 base::CloseFile(perf_log_file); 32 } 33 34 void LogPerfResult(const char* test_name, double value, const char* units) { 35 if (!perf_log_file) { 36 NOTREACHED(); 37 return; 38 } 39 40 fprintf(perf_log_file, "%s\t%g\t%s\n", test_name, value, units); 41 printf("%s\t%g\t%s\n", test_name, value, units); 42 fflush(stdout); 43 } 44 45 } // namespace base 46
