[lttng-dev] ***UNCHECKED*** Re: Re: urcu workqueue thread uses 99% of cpu while workqueue is empty

Minlan Wang wangminlan at szsandstone.com
Wed Jun 22 23:57:22 EDT 2022

On Wed, Jun 22, 2022 at 11:45:28PM -0400, Minlan Wang wrote:
> The session output is in attachment: 0623_futex-20220623-112754.tar.bz2
Hi, Mathieu,
There are several workqueues in the process i tracked.
The one used to trigger the issuse is this:
thread with vtid=21054, and futex = 0x5652A1035C40


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