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Groups > linux.kernel > #1687957
| From | Vince Weaver <vincent.weaver@maine.edu> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: perf: bisected sampling bug in Linux 4.11-rc1 |
| Date | 2017-07-15 16:40 +0200 |
| Message-ID | <u3woG-2Bg-13@gated-at.bofh.it> (permalink) |
| References | <u3dcm-75z-29@gated-at.bofh.it> <u3t7s-JR-35@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Sat, 15 Jul 2017, Ingo Molnar wrote: > > * Vince Weaver <vincent.weaver@maine.edu> wrote: > > > 487f05e18aa4efacee6357480f293a5afe6593b5 is the first bad commit > > > > commit 487f05e18aa4efacee6357480f293a5afe6593b5 > > Author: Alexander Shishkin <alexander.shishkin@linux.intel.com> > > Date: Thu Jan 19 18:43:30 2017 +0200 > > > > perf/core: Optimize event rescheduling on active contexts > > BTW., just to prepare for the eventuality: below is a (completely untested...) > revert of this commit, against recent kernels, with conflicts fixed up. > > Does this fix your testcase? Yes, applying this to current git fixes the testcase and doesn't seem to break anything else. Although there is a separate issue also introduced in 4.11-rc1 that still fails a different testcase. I'm in the middle of bisecting that one and probably won't have the result of the bisect until Monday. Vince
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perf: bisected sampling bug in Linux 4.11-rc1 Vince Weaver <vincent.weaver@maine.edu> - 2017-07-14 20:10 +0200
Re: perf: bisected sampling bug in Linux 4.11-rc1 Vince Weaver <vincent.weaver@maine.edu> - 2017-07-14 20:30 +0200
Re: perf: bisected sampling bug in Linux 4.11-rc1 Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2017-07-14 22:10 +0200
Re: perf: bisected sampling bug in Linux 4.11-rc1 Vince Weaver <vincent.weaver@maine.edu> - 2017-07-14 22:20 +0200
Re: perf: bisected sampling bug in Linux 4.11-rc1 Ingo Molnar <mingo@kernel.org> - 2017-07-15 13:10 +0200
Re: perf: bisected sampling bug in Linux 4.11-rc1 Vince Weaver <vincent.weaver@maine.edu> - 2017-07-15 16:40 +0200
Re: perf: bisected sampling bug in Linux 4.11-rc1 Vince Weaver <vincent.weaver@maine.edu> - 2017-07-16 05:10 +0200
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