[llvm-commits] CVS: llvm/lib/System/Win32/Process.cpp

[Reid Spencer]

Changes in directory llvm/lib/System/Win32:

Process.cpp updated: 1.2 -> 1.3
---
Log message:

For PR351: http://llvm.cs.uiuc.edu/PR351 :
* Implement GetMallocUsage to get usage of malloc heap
* Implement GetMemoryUsage to get total memory usage of process
* Implement GetTimeUsage to get elapsed/user/system time

---
Diffs of the changes:  (+43 -0)

Index: llvm/lib/System/Win32/Process.cpp
diff -u llvm/lib/System/Win32/Process.cpp:1.2 llvm/lib/System/Win32/Process.cpp:1.3
--- llvm/lib/System/Win32/Process.cpp:1.2	Tue Nov 16 01:00:23 2004
+++ llvm/lib/System/Win32/Process.cpp	Sun Dec 19 18:59:28 2004
@@ -41,5 +41,48 @@
   return PageSize;
 }
 
+void* 
+uint64_t 
+Process::GetMallocUsage()
+{
+#ifdef HAVE_MALLINFO
+  struct mallinfo mi = ::mallinfo();
+  return mi.uordblks;
+#warning Cannot get malloc info on this platform
+  return 0;
+#endif
+}
+
+uint64_t
+Process::GetTotalMemoryUsage()
+{
+#ifdef HAVE_MALLINFO
+  struct mallinfo mi = ::mallinfo();
+  return mi.uordblks + mi.hblkhd
+#else
+#warning Cannot get total memory size on this platform
+  return 0;
+#endif
+}
+
+void
+Process::GetTimeUsage(
+  TimeValue& elapsed, TimeValue& user_time, TimeValue& sys_time)
+{
+  elapsed = TimeValue::now();
+
+  unsigned __int64 ProcCreate, ProcExit, KernelTime, UserTime;
+  GetProcessTimes(GetCurrentProcess(), (FILETIME*)&ProcCreate, 
+                  (FILETIME*)&ProcExit, (FILETIME*)&KernelTime, 
+                  (FILETIME*)&UserTime
+  );
+
+  // FILETIME's are # of 100 nanosecond ticks (1/10th of a microsecond)
+  user_time.seconds( UserTime / 10000000 );
+  user_time.nanoseconds( (UserTime % 10000000) * 100 );
+  sys_time.seconds( KernelTime / 10000000 );
+  user_time.nanoseconds( (UserTime % 10000000) * 100 );
+}
+
 }
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