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SubjectRe: [PATCH] workqueue: Fix type of cpu in trace event
On Wed, May 04, 2022 at 11:32:03AM +0900, Wonhyuk Yang wrote:
> The trace event "workqueue_queue_work" use unsigned int type for
> req_cpu, cpu. This casue confusing cpu number like below log.
>
> $ cat /sys/kernel/debug/tracing/trace
> cat-317 [001] ...: workqueue_queue_work: ... req_cpu=8192 cpu=4294967295
>
> So, change unsigned type to signed type in the trace event. After
> applying this patch, cpu number will be printed as -1 instead of
> 4294967295 as folllows.
>
> $ cat /sys/kernel/debug/tracing/trace
> cat-1338 [002] ...: workqueue_queue_work: ... req_cpu=8192 cpu=-1
>
> Cc: Baik Song An <bsahn@etri.re.kr>
> Cc: Hong Yeon Kim <kimhy@etri.re.kr>
> Cc: Taeung Song <taeung@reallinux.co.kr>
> Cc: linuxgeek@linuxgeek.io
> Signed-off-by: Wonhyuk Yang <vvghjk1234@gmail.com>

Applied to wq/for-5.19-fixes.

Thanks.

--
tejun

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