Messages in this thread | | | From | Valentin Schneider <> | Subject | Re: [REGRESSION] 5-10% increase in IO latencies with nohz balance patch | Date | Mon, 29 Nov 2021 18:31:17 +0000 |
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On 29/11/21 13:15, Josef Bacik wrote: > On Mon, Nov 29, 2021 at 06:03:24PM +0000, Valentin Schneider wrote: >> Would you happen to have execution traces by any chance? If not I should be >> able to get one out of that fsperf thingie. >> > > I don't, if you want to tell me how I can do it right now. I've disabled > everything on this box for now so it's literally just sitting there waiting to > have things done to it. Thanks, >
I see you have Ftrace enabled in your config, so that ought to do it:
trace-cmd record -e 'sched:*' -e 'cpu_idle' $your_test_cmd
> Josef
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