Messages in this thread | | | Date | Mon, 27 Jun 2022 17:21:12 +0900 | From | Tejun Heo <> | Subject | Re: re. Spurious wakeup on a newly created kthread |
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Hello, Michal.
On Mon, Jun 27, 2022 at 10:07:22AM +0200, Michal Hocko wrote: > So if somebody has woken up our thread from inside kthread() then it > doesn't have that pointer on the stack and I couldn't it find elsewhere > either. Maybe somebody has an idea where to look at.
One way could be bpftrace'ing or printking __wake_up_common() and friends to dump backtrace if it's trying to wake a kthread whose comm starts with kworker/ and doesn't have (struct worker *)kthread_data(task)->pool set.
Thanks.
-- tejun
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