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Implement getTimeRecord natively in Win32, properly conditionalize the

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getrusage implementation on HAVE_GETRUSAGE


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14050 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-06-07 19:34:51 +00:00
parent a822160402
commit b4db5f3e4b
1 changed files with 28 additions and 7 deletions
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35
lib/Support/Timer.cpp
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@ -13,18 +13,19 @@
#include "Support/Timer.h"
#include "Support/CommandLine.h"
#include <algorithm>
#include <iostream>
#include <functional>
#include <fstream>
#include <map>
#include "Config/sys/resource.h"
#include "Config/sys/time.h"
#include "Config/unistd.h"
#include "Config/malloc.h"
#include <iostream>
#include <algorithm>
#include <functional>
#include <fstream>
#include <map>
#include "Config/windows.h"
using namespace llvm;
// GetLibSupportInfoOutputFile - Return a file stream to print our output on...
// GetLibSupportInfoOutputFile - Return a file stream to print our output on.
namespace llvm { extern std::ostream *GetLibSupportInfoOutputFile(); }
// getLibSupportInfoOutputFilename - This ugly hack is brought to you courtesy
@ -113,6 +114,23 @@ struct TimeRecord {
};
static TimeRecord getTimeRecord(bool Start) {
#if defined(HAVE_WINDOWS_H)
unsigned __int64 ProcCreate, ProcExit, KernelTime, UserTime, CurTime;
GetProcessTimes(GetCurrentProcess(), (FILETIME*)&ProcCreate,
(FILETIME*)&ProcExit, (FILETIME*)&KernelTime,
(FILETIME*)&UserTime);
GetSystemTimeAsFileTime((FILETIME*)&CurTime);
// FILETIME's are # of 100 nanosecond ticks.
double ScaleFactor = 1.0/(10*1000*1000);
TimeRecord Result;
Result.Elapsed = (CurTime-ProcCreate)*ScaleFactor; // Wall time
Result.UserTime = UserTime*ScaleFactor;
Result.SystemTime = KernelTime*ScaleFactor;
return Result;
#elif defined(HAVE_GETRUSAGE)
struct rusage RU;
struct timeval T;
long MemUsed = 0;
@ -134,8 +152,11 @@ static TimeRecord getTimeRecord(bool Start) {
Result.UserTime = RU.ru_utime.tv_sec + RU.ru_utime.tv_usec/1000000.0;
Result.SystemTime = RU.ru_stime.tv_sec + RU.ru_stime.tv_usec/1000000.0;
Result.MemUsed = MemUsed;
return Result;
#else
// Can't get resource usage.
return TimeRecord();
#endif
}
static std::vector<Timer*> ActiveTimers;