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Added support for millisecond granularity in the stopwatch. r=nisheeth a=rickg

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attinasi%netscape.com 2000-02-18 18:51:39 +00:00
parent 6370c96e21
commit b0140120d7
1 changed files with 47 additions and 9 deletions
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56
modules/libutil/src/stopwatch.cpp
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@ -9,7 +9,15 @@
#include "windows.h"
#endif
double gTicks = 1.0e-7;
// #define MILLISECOND_RESOLUTION to track time with greater precision
// If not defined the resolution is to the second only
//
#define MILLISECOND_RESOLUTION
#ifdef MILLISECOND_RESOLUTION
double gTicks = 1.0e-4; // for millisecond resolution
#else
double gTicks = 1.0e-7; // for second resolution
#endif
Stopwatch::Stopwatch() {
@ -109,6 +117,8 @@ void Stopwatch::Continue() {
}
// NOTE: returns seconds regardless of the state of the MILLISECOND_RESOLUTION #define
//
double Stopwatch::RealTime() {
if (fState != kUndefined) {
@ -116,9 +126,31 @@ double Stopwatch::RealTime() {
Stop();
}
#ifdef MILLISECOND_RESOLUTION
return fTotalRealTime/1000;
#else
return fTotalRealTime;
#endif
}
// NOTE: returns milliseconds regardless of the state of the MILLISECOND_RESOLUTION #define
//
double Stopwatch::RealTimeInMilliseconds() {
if (fState != kUndefined) {
if (fState == kRunning)
Stop();
}
#ifdef MILLISECOND_RESOLUTION
return fTotalRealTime;
#else
return fTotalRealTime * 1000; // we don;t have milliseconds, so fake it
#endif
}
// NOTE: returns seconds regardless of the state of the MILLISECOND_RESOLUTION define
//
double Stopwatch::CpuTime() {
if (fState != kUndefined) {
@ -126,7 +158,11 @@ double Stopwatch::CpuTime() {
Stop();
}
#ifdef MILLISECOND_RESOLUTION
return fTotalCpuTime / 1000; // adjust from milliseconds to seconds
#else
return fTotalCpuTime;
#endif
}
@ -215,17 +251,19 @@ double Stopwatch::GetCPUTime(){
void Stopwatch::Print(void) {
// Print the real and cpu time passed between the start and stop events.
double realt = RealTime();
double realt = RealTimeInMilliseconds();
int hours = int(realt / 3600);
realt -= hours * 3600;
int min = int(realt / 60);
realt -= min * 60;
int sec = int(realt);
int hours = int(realt / 3600000);
realt -= hours * 3600000;
int min = int(realt / 60000);
realt -= min * 60000;
int sec = int(realt/1000);
realt -= sec * 1000;
int ms = int(realt);
#ifdef MOZ_PERF_METRICS
RAPTOR_STOPWATCH_TRACE(("Real time %d:%d:%d, CP time %.3f\n", hours, min, sec, CpuTime()));
RAPTOR_STOPWATCH_TRACE(("Real time %d:%d:%d.%d, CP time %.3f\n", hours, min, sec, ms, CpuTime()));
#else
printf("Real time %d:%d:%d, CP time %.3f\n", hours, min, sec, CpuTime());
printf("Real time %d:%d:%d%.%d, CP time %.3f\n", hours, min, sec, ms, CpuTime());
#endif
}