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0032000: Foundation Classes - collect OSD_Timer time in message report

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Added Message_MetricType_WallClock metric type handled by Message_AttributeMeter.
Added public OSD_Timer::GetWallClockTime() method.
This commit is contained in:
nds
2020-12-16 12:29:06 +03:00
committed by bugmaster
parent 53f46612d9
commit 9283bba22f
5 changed files with 68 additions and 44 deletions
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88
src/OSD/OSD_Timer.cxx
View File

@@ -16,50 +16,11 @@
#include <OSD_Timer.hxx>
#ifndef _WIN32
#include <sys/time.h>
//=======================================================================
//function : GetWallClockTime
//purpose : Get current time in seconds with system-defined precision
//=======================================================================
static inline Standard_Real GetWallClockTime ()
{
struct timeval tv;
// use time of first call as base for computing total time,
// to avoid loss of precision due to big values of tv_sec (counted since 1970)
static time_t startSec = (gettimeofday (&tv, NULL) ? 0 : tv.tv_sec);
return gettimeofday (&tv, NULL) ? 0. : (tv.tv_sec - startSec) + 0.000001 * tv.tv_usec;
}
#ifdef _WIN32
#include <windows.h>
#else
#include <windows.h>
//=======================================================================
//function : GetWallClockTime
//purpose : Get current time in seconds with system-defined precision
//=======================================================================
static inline Standard_Real GetWallClockTime ()
{
// compute clock frequence on first call
static LARGE_INTEGER freq;
static BOOL isOk = QueryPerformanceFrequency (&freq);
LARGE_INTEGER time;
return isOk && QueryPerformanceCounter (&time) ?
(Standard_Real)time.QuadPart / (Standard_Real)freq.QuadPart :
#if defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0600)
0.001 * GetTickCount64();
#else
0.001 * GetTickCount();
#include <sys/time.h>
#endif
}
#endif /* _WIN32 */
namespace
{
@@ -78,6 +39,49 @@ namespace
theMinutes = (aSec - theHours * 3600) / 60;
theSeconds = theTimeSec - theHours * 3600 - theMinutes * 60;
}
#ifdef _WIN32
//! Define a structure for initializing global constant of pair values.
struct PerfCounterFreq
{
LARGE_INTEGER Freq;
Standard_Boolean IsOk;
PerfCounterFreq()
{
IsOk = QueryPerformanceFrequency (&Freq) != FALSE;
}
};
#endif
}
//=======================================================================
//function : GetWallClockTime
//purpose :
//=======================================================================
Standard_Real OSD_Timer::GetWallClockTime()
{
#ifdef _WIN32
// compute clock frequence on first call
static const PerfCounterFreq aFreq;
LARGE_INTEGER aTime;
return aFreq.IsOk && QueryPerformanceCounter (&aTime)
? (Standard_Real )aTime.QuadPart / (Standard_Real )aFreq.Freq.QuadPart
#if defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0600)
: 0.001 * GetTickCount64();
#else
: 0.001 * GetTickCount();
#endif
#else
struct timeval aTime;
// use time of first call as base for computing total time,
// to avoid loss of precision due to big values of tv_sec (counted since 1970)
static const time_t aStartSec = (gettimeofday (&aTime, NULL) == 0 ? aTime.tv_sec : 0);
return gettimeofday (&aTime, NULL) == 0
? (aTime.tv_sec - aStartSec) + 0.000001 * aTime.tv_usec
: 0.0;
#endif
}
//=======================================================================

8
src/OSD/OSD_Timer.hxx
View File

@@ -40,6 +40,14 @@
//! // t1 and t2.
class OSD_Timer : public OSD_Chronometer
{
public:
//! Returns current time in seconds with system-defined precision.
//! The could be a system uptime or a time from some date.
//! Returned value is intended for precise elapsed time measurements as a delta between timestamps.
//! On Windows implemented via QueryPerformanceCounter(), on other systems via gettimeofday().
Standard_EXPORT static Standard_Real GetWallClockTime();
public:
DEFINE_STANDARD_ALLOC