1//------------------------------------------------------------------------------ 2// Copyright (c) 2001-2004, Haiku 3// 4// Permission is hereby granted, free of charge, to any person obtaining a 5// copy of this software and associated documentation files (the "Software"), 6// to deal in the Software without restriction, including without limitation 7// the rights to use, copy, modify, merge, publish, distribute, sublicense, 8// and/or sell copies of the Software, and to permit persons to whom the 9// Software is furnished to do so, subject to the following conditions: 10// 11// The above copyright notice and this permission notice shall be included in 12// all copies or substantial portions of the Software. 13// 14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 19// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 20// DEALINGS IN THE SOFTWARE. 21// 22// File Name: StopWatch.cpp 23// Author(s): unknown 24// 25// Description: Timer Class, mostly useful for debugging 26// 27// 28// 29//------------------------------------------------------------------------------ 30 31#include <OS.h> // for system_time() 32#include <StopWatch.h> 33 34#include <stdio.h> 35 36 37BStopWatch::BStopWatch(const char *name, bool silent) 38 : 39 fName(name), 40 fSilent(silent) 41{ 42 Reset(); 43} 44 45 46BStopWatch::~BStopWatch() 47{ 48 if (!fSilent){ 49 printf("StopWatch \"%s\": %d usecs.\n", fName, (int)ElapsedTime()); 50 51 if (fLap) { 52 for (int i = 1; i <= fLap; i++){ 53 if (!((i-1)%4)) 54 printf("\n "); 55 printf("[%d: %d#%d] ", i, (int)(fLaps[i]-fStart), (int)(fLaps[i] - fLaps[i -1 ])); 56 } 57 printf("\n"); 58 } 59 } 60} 61 62 63void 64BStopWatch::Suspend() 65{ 66 if (!fSuspendTime) 67 fSuspendTime = system_time(); 68} 69 70 71void 72BStopWatch::Resume() 73{ 74 if (fSuspendTime) { 75 fStart += system_time() - fSuspendTime; 76 fSuspendTime = 0; 77 } 78} 79 80 81bigtime_t 82BStopWatch::Lap() 83{ 84 if (!fSuspendTime){ 85 if (fLap<9) 86 fLap++; 87 fLaps[fLap] = system_time(); 88 89 return system_time() - fStart; 90 } else 91 return 0; 92} 93 94 95bigtime_t 96BStopWatch::ElapsedTime() const 97{ 98 if (fSuspendTime) 99 return fSuspendTime - fStart; 100 else 101 return system_time() - fStart; 102} 103 104 105void 106BStopWatch::Reset() 107{ 108 fStart = system_time(); // store current time 109 fSuspendTime = 0; 110 fLap = 0; // clear laps 111 for (int i = 0; i < 10; i++) 112 fLaps[i] = fStart; 113} 114 115 116const char * 117BStopWatch::Name() const 118{ 119 return fName != NULL ? fName : ""; 120} 121 122 123// just for future binary compatibility 124void BStopWatch::_ReservedStopWatch1() {} 125void BStopWatch::_ReservedStopWatch2() {} 126 127