1 //------------------------------------------------------------------------------ 2 // Copyright (c) 2001-2004, OpenBeOS 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 37 BStopWatch::BStopWatch(const char *name, bool silent) 38 : 39 fName(name), 40 fSilent(silent) 41 { 42 Reset(); 43 } 44 45 46 BStopWatch::~BStopWatch() 47 { 48 if (!fSilent){ 49 printf("StopWatch \"%s\": %d usecs.", 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 63 void 64 BStopWatch::Suspend() 65 { 66 if (!fSuspendTime) 67 fSuspendTime = system_time(); 68 } 69 70 71 void 72 BStopWatch::Resume() 73 { 74 if (fSuspendTime) 75 fStart = system_time() - fSuspendTime - fStart; 76 } 77 78 79 bigtime_t 80 BStopWatch::Lap() 81 { 82 if (!fSuspendTime){ 83 if (fLap<9) 84 fLap++; 85 fLaps[fLap] = system_time(); 86 87 return system_time() - fStart; 88 } else 89 return 0; 90 } 91 92 93 bigtime_t 94 BStopWatch::ElapsedTime() const 95 { 96 if (fSuspendTime) 97 return fSuspendTime - fStart; 98 else 99 return system_time() - fStart; 100 } 101 102 103 void 104 BStopWatch::Reset() 105 { 106 fStart = system_time(); // store current time 107 fSuspendTime = 0; 108 fLap = 0; // clear laps 109 for (int i = 0; i < 10; i++) 110 fLaps[i] = fStart; 111 } 112 113 114 const char * 115 BStopWatch::Name() const 116 { 117 return fName != NULL ? fName : ""; 118 } 119 120 121 // just for future binary compatibility 122 void BStopWatch::_ReservedStopWatch1() {} 123 void BStopWatch::_ReservedStopWatch2() {} 124