15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/profiler/tracked_time.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "build/build_config.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <mmsystem.h> // Declare timeGetTime()... after including build_config. 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace tracked_objects { 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Duration::Duration() : ms_(0) {} 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Duration::Duration(int32 duration) : ms_(duration) {} 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Duration& Duration::operator+=(const Duration& other) { 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ms_ += other.ms_; 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return *this; 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Duration Duration::operator+(const Duration& other) const { 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return Duration(ms_ + other.ms_); 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool Duration::operator==(const Duration& other) const { 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ms_ == other.ms_; 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool Duration::operator!=(const Duration& other) const { 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ms_ != other.ms_; 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool Duration::operator>(const Duration& other) const { 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ms_ > other.ms_; 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Duration Duration::FromMilliseconds(int ms) { return Duration(ms); } 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int32 Duration::InMilliseconds() const { return ms_; } 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//------------------------------------------------------------------------------ 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TrackedTime::TrackedTime() : ms_(0) {} 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TrackedTime::TrackedTime(int32 ms) : ms_(ms) {} 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TrackedTime::TrackedTime(const base::TimeTicks& time) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : ms_((time - base::TimeTicks()).InMilliseconds()) { 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TrackedTime TrackedTime::Now() { 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Use lock-free accessor to 32 bit time. 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Note that TimeTicks::Now() is built on this, so we have "compatible" 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // times when we down-convert a TimeTicks sample. 5858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) return TrackedTime(base::TimeTicks::UnprotectedNow()); 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Posix has nice cheap 64 bit times, so we just down-convert it. 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return TrackedTime(base::TimeTicks::Now()); 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // OS_WIN 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Duration TrackedTime::operator-(const TrackedTime& other) const { 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return Duration(ms_ - other.ms_); 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TrackedTime TrackedTime::operator+(const Duration& other) const { 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return TrackedTime(ms_ + other.ms_); 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool TrackedTime::is_null() const { return ms_ == 0; } 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace tracked_objects 76