From: Tejun Heo <tj@kernel.org>
To: Wonhyuk Yang <vvghjk1234@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>,
Ingo Molnar <mingo@redhat.com>, Baik Song An <bsahn@etri.re.kr>,
Hong Yeon Kim <kimhy@etri.re.kr>,
Taeung Song <taeung@reallinux.co.kr>,
linuxgeek@linuxgeek.io, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] workqueue: Fix type of cpu in trace event
Date: Tue, 7 Jun 2022 07:10:19 -1000 [thread overview]
Message-ID: <Yp+Ge8aITdgczA33@slm.duckdns.org> (raw)
In-Reply-To: <20220504023204.598531-1-vvghjk1234@gmail.com>
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
prev parent reply other threads:[~2022-06-07 17:10 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-04 2:32 Wonhyuk Yang
2022-05-24 20:29 ` Steven Rostedt
2022-05-26 18:55 ` Tejun Heo
2022-06-07 17:10 ` Tejun Heo [this message]
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