linux-kernel - Re: [PATCH] tracing/osnoise: Force quiescent states while tracing

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Message-ID: <9befaa4d-b032-0b26-761e-9e2e06b1a64b@kernel.org>
Date:   Fri, 4 Mar 2022 15:39:01 +0100
From:   Daniel Bristot de Oliveira <bristot@...nel.org>
To:     Nicolas Saenz Julienne <nsaenzju@...hat.com>
Cc:     mingo@...hat.com, linux-kernel@...r.kernel.org,
        mtosatti@...hat.com, paulmck@...nel.org, rostedt@...dmis.org
Subject: Re: [PATCH] tracing/osnoise: Force quiescent states while tracing

On 3/4/22 15:36, Nicolas Saenz Julienne wrote:
>> Hey Nicolas,
>>
>> While testing this patch with rtla osnoise on the 5.17.0-rc6-rt10+, when I hit
>> ^c on osnoise top, the system freezes :-/.
>>
>> Could you try that on your system?
> Yes of course, I'll get a build going.
> 
> Were you using nohz_full?

Yep!

mce=off tsc=nowatchdog nohz=on intel_pstate=disable nosoftlockup isolcpus=11-23
nohz_full=11-23 rcu_nocbs=11-23

(I know what people thing about isolcpus, I am just lazy).

-- Daniel