Hi, Mathieu,
This is the last one.
0623_futex-20220623-112754.tar.bz2.ad
Description: Binary data
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On Wed, Jun 22, 2022 at 04:52:00PM -0400, Mathieu Desnoyers wrote:
[...]
> remote: https://review.lttng.org/c/userspace-rcu/+/8441 Fix: workqueue:
> futex wait: handle spurious futex wakeups [NEW]
I tried this patch in our environment, it worked fine, the issue does not
appear anymore.
- On Jun 22, 2022, at 11:57 PM, Minlan Wang wangmin...@szsandstone.com
wrote:
> 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 pr
On Thu, Jun 23, 2022 at 10:09:55AM -0400, Mathieu Desnoyers wrote:
>
> By looking at the trace, here is one problematic scenario which end up
> emitting "workqueue:futex_wait_again":
>
> [23:33:48.060581417] (+0.06985) localhost.localdomain
> workqueue:futex_no_wait: { cpu_id = 4 }, { vpid
