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Groups > linux.kernel > #1466839
| From | Nikolay Borisov <n.borisov.lkml@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: runaway latency detection |
| Date | 2016-08-20 20:00 +0200 |
| Message-ID | <s8iIN-64d-13@gated-at.bofh.it> (permalink) |
| References | <s8hWp-5Mt-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 20.08.2016 20:03, T. Smith wrote: > The goal is to isolate causes of indeterminism when using the PREEMPT_RT kernel configuration with full preemption and to characterize latency and jitter using ftrace, any recommendations? What hardware is it ? If it's x86 it's entirely possible you are seeing SMI. Perhaps you should look into disabling those if you are on x86?
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runaway latency detection "T. Smith" <tlsmith3777@gmail.com> - 2016-08-20 19:10 +0200
Re: runaway latency detection Nikolay Borisov <n.borisov.lkml@gmail.com> - 2016-08-20 20:00 +0200
Re: runaway latency detection Steven Rostedt <rostedt@goodmis.org> - 2016-08-21 05:50 +0200
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