linux-kernel - Re: 'perf test sigtrap' failing on PREEMPT_RT

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Date: Fri, 8 Mar 2024 18:59:07 +0100
From: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Mike Galbraith <efault@....de>, Peter Zijlstra <peterz@...radead.org>,
	Marco Elver <elver@...gle.com>, linux-rt-users@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Juri Lelli <juri.lelli@...hat.com>,
	Clark Williams <williams@...hat.com>,
	Alessandro Carminati <acarmina@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Artem Savkov <asavkov@...hat.com>
Subject: Re: 'perf test sigtrap' failing on PREEMPT_RT_FULL

On 2024-03-06 17:54:45 [+0100], To Arnaldo Carvalho de Melo wrote:
> Not sure what the best course of action is here but based on what I
> learned last time you reported this I think we need delayed signals…
> Let me look into this. We had it and then removed it because we had no
> users of it at some point but probably nobody took perf into account.

=> https://lore.kernel.org/20240308175810.2894694-1-bigeasy@linutronix.de

> - Arnaldo

Sebastian