Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1466839

Re: runaway latency detection

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

Show all headers | View raw



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?

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

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

csiph-web