Messages in this thread | | | Subject | Re: [PATCH] process cputimer is moving faster than its corresponding clock | From | Olivier Langlois <> | Date | Fri, 26 Apr 2013 21:51:16 -0400 |
| |
On Fri, 2013-04-26 at 15:08 -0400, KOSAKI Motohiro wrote: > > I need to add that I can only confirm that to be true with > > sum_exec_runtime. > > > > To affirm it to be true for stime and utime would require more > > investigation. I didn't look them at all. I was only concerned with > > sum_exec_runtime. > > > > I will prepare a v2 of the patch accounting all the feedbacks that I > > received from KOSAKI Motohiro, Frederic Weisbecker and Peter Zijlstra > > and send it back here for further discussion. > > > > Thank you very much all! > > Do you mean your utime test case still failure? If you share your test-case, > I'm going to look at your issue too. > Sure with pleasure. My testcase is glibc-2.17/rt/tst-cputimer1.c
That being said, it strictly test CPUCLOCK_SCHED timers. Hence my focus when modifying the code was strictly on sum_exec_runtime.
If utime and stime components of cputimer are moving faster than their associated clock, this is something that I did not address.
| |