Re: [PATCH V5 04/20] trace/osnoise: Use start/stop_per_cpu_kthreads() on osnoise_cpus_write()

From: Daniel Bristot de Oliveira
Date: Tue Oct 26 2021 - 04:23:38 EST


On 10/26/21 03:08, Steven Rostedt wrote:
> On Mon, 25 Oct 2021 19:40:29 +0200
> Daniel Bristot de Oliveira <bristot@xxxxxxxxxx> wrote:
>
>> When writing a new CPU mask via osnoise/cpus, if the tracer is running,
>> the workload is restarted to follow the new cpumask. The restart is
>> currently done using osnoise_workload_start/stop(), which disables the
>> workload *and* the instrumentation. However, disabling the
>> instrumentation is not necessary.
>>
>> Calling start/stop_per_cpu_kthreads() is enough to apply the new
>> osnoise/cpus config.
>>
>> No functional change.
>
> I nuked the "No functional change.". You can't have the changes of the
> above and say there wasn't functional changes, as the first paragraph
> explains the functional changes.

ack, /me takes note.

-- Daniel
>
> -- Steve
>