Messages in this thread | | | Date | Thu, 26 May 2022 08:55:58 -1000 | From | Tejun Heo <> | Subject | Re: [PATCH] workqueue: Fix type of cpu in trace event |
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On Tue, May 24, 2022 at 04:29:12PM -0400, Steven Rostedt wrote: > On Wed, 4 May 2022 11:32:03 +0900 > Wonhyuk Yang <vvghjk1234@gmail.com> 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. > > > > I was going through my backlog of pending patches and came across this. > Note, that trace events are maintained by the subsystem they belong to. > This change is for workqueues, not tracing (as your subject correctly > states). > > I Cc'd Tejun here as he maintains this code.
I'll apply it to the wq tree once rc1 drops.
Thanks.
-- tejun
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