linux-kernel - Re: [PATCH 3/5] perf: Add pmu get/put

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Message-ID: <20241031094551.GT14555@noisy.programming.kicks-ass.net>
Date: Thu, 31 Oct 2024 10:45:51 +0100
From: Peter Zijlstra <peterz@...radead.org>
To: Lucas De Marchi <lucas.demarchi@...el.com>
Cc: linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Umesh Nerlige Ramappa <umesh.nerlige.ramappa@...el.com>,
	Ian Rogers <irogers@...gle.com>,
	Tvrtko Ursulin <tvrtko.ursulin@...lia.com>
Subject: Re: [PATCH 3/5] perf: Add pmu get/put

On Thu, Oct 31, 2024 at 12:07:42AM -0500, Lucas De Marchi wrote:
> On Wed, Oct 23, 2024 at 12:07:58AM -0500, Lucas De Marchi wrote:
> > On Tue, Oct 22, 2024 at 11:52:10PM +0200, Peter Zijlstra wrote:
> > > On Fri, Oct 18, 2024 at 02:46:31PM -0500, Lucas De Marchi wrote:
> > > 
> > > > I will give this a try with i915 and/or xe.
> > > 
> > > Less horrible version here:
> > > 
> > > git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git perf/pmu-unregister
> > > 
> > > I've just pushed it out to the robots, but it builds, passes perf test
> > > and your dummy_pmu testcase (for me, on my one testbox and .config
> > > etc..)
> > 
> > It passed for me as well with both dummy_pmu and with i915. I have some
> > changes to igt (i915/xe testsuite) that should bring some more coverage.
> > I minimized the pending test changes I had and posted to trigger CI:
> > 
> > https://patchwork.freedesktop.org/series/140355/
> 
> Our CI also didn't trigger that pmu issue and the test could run
> succesfully.

Excellent.

> I did get a report from kernel test robot though:
> 
> https://lore.kernel.org/all/202410281436.8246527d-lkp@intel.com/

Yeah, I think I fixed that one, but the robot gifted me another one that
I still need to find time to address. I'm hoping this weel.

I'll repost properly once I fix it.

Thanks!