[llvm-commits] CVS: llvm/lib/Support/Timer.cpp
Chris Lattner
lattner at cs.uiuc.edu
Mon Jun 7 14:40:01 PDT 2004
Changes in directory llvm/lib/Support:
Timer.cpp updated: 1.29 -> 1.30
---
Log message:
Implement getTimeRecord natively in Win32, properly conditionalize the
getrusage implementation on HAVE_GETRUSAGE
---
Diffs of the changes: (+28 -7)
Index: llvm/lib/Support/Timer.cpp
diff -u llvm/lib/Support/Timer.cpp:1.29 llvm/lib/Support/Timer.cpp:1.30
--- llvm/lib/Support/Timer.cpp:1.29 Sun Dec 14 15:27:33 2003
+++ llvm/lib/Support/Timer.cpp Mon Jun 7 14:34:51 2004
@@ -13,18 +13,19 @@
#include "Support/Timer.h"
#include "Support/CommandLine.h"
-#include "Config/sys/resource.h"
-#include "Config/sys/time.h"
-#include "Config/unistd.h"
-#include "Config/malloc.h"
-#include <iostream>
#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 "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 @@
};
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 @@
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;
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