1.1 --- a/src/os/windows/vm/os_windows.cpp Sat Jun 01 10:00:56 2013 +0200
1.2 +++ b/src/os/windows/vm/os_windows.cpp Tue May 28 09:32:06 2013 +0200
1.3 @@ -813,15 +813,21 @@
1.4 return result;
1.5 }
1.6
1.7 -// For now, we say that Windows does not support vtime. I have no idea
1.8 -// whether it can actually be made to (DLD, 9/13/05).
1.9 -
1.10 -bool os::supports_vtime() { return false; }
1.11 +bool os::supports_vtime() { return true; }
1.12 bool os::enable_vtime() { return false; }
1.13 bool os::vtime_enabled() { return false; }
1.14 +
1.15 double os::elapsedVTime() {
1.16 - // better than nothing, but not much
1.17 - return elapsedTime();
1.18 + FILETIME created;
1.19 + FILETIME exited;
1.20 + FILETIME kernel;
1.21 + FILETIME user;
1.22 + if (GetThreadTimes(GetCurrentThread(), &created, &exited, &kernel, &user) != 0) {
1.23 + // the resolution of windows_to_java_time() should be sufficient (ms)
1.24 + return (double) (windows_to_java_time(kernel) + windows_to_java_time(user)) / MILLIUNITS;
1.25 + } else {
1.26 + return elapsedTime();
1.27 + }
1.28 }
1.29
1.30 jlong os::javaTimeMillis() {
