base/test/perf_time_logger.cc

   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_time_logger.h"
   6
   7 #include "base/test/perf_log.h"
   8
   9 namespace base {
  10
  11 PerfTimeLogger::PerfTimeLogger(const char* test_name)
  12     : logged_(false), test_name_(test_name) {}
  13
  14 PerfTimeLogger::~PerfTimeLogger() {
  15   if (!logged_)
  16     Done();
  17 }
  18
  19 void PerfTimeLogger::Done() {
  20   // we use a floating-point millisecond value because it is more
  21   // intuitive than microseconds and we want more precision than
  22   // integer milliseconds
  23   LogPerfResult(test_name_.c_str(), timer_.Elapsed().InMillisecondsF(), "ms");
  24   logged_ = true;
  25 }
  26
  27 }  // namespace base