linux-kernel - Re: [PATCH v1] perf evlist: Force adding default events only to core PMUs

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Date: Tue, 28 May 2024 14:42:51 -0700
From: Linus Torvalds <torvalds@...ux-foundation.org>
To: Ian Rogers <irogers@...gle.com>
Cc: Leo Yan <leo.yan@...ux.dev>, Peter Zijlstra <peterz@...radead.org>, 
	Ingo Molnar <mingo@...hat.com>, Arnaldo Carvalho de Melo <acme@...nel.org>, Namhyung Kim <namhyung@...nel.org>, 
	Mark Rutland <mark.rutland@....com>, 
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>, 
	Adrian Hunter <adrian.hunter@...el.com>, Kan Liang <kan.liang@...ux.intel.com>, 
	James Clark <james.clark@....com>, Dominique Martinet <asmadeus@...ewreck.org>, 
	linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] perf evlist: Force adding default events only to core PMUs

On Tue, 28 May 2024 at 14:37, Ian Rogers <irogers@...gle.com> wrote:
>
> I think stability in the context of this problem is an abstract term
> especially given the low amount of ARM support for PMUs.

Just stop arguing.

The 'cycles' thing is documented. It's CP:U cycles. This is just a *fact*.

I have now blocked you. You will get no more replies from me, because
it's not worth my time.

I simply have better things to do that deal with people who cannot
accept documented and existing behavior, and spend days arguing that
their broken fix was a "fix".

Just go play in any of the other open source projects that (sadly)
don't have regression rules.

               Linus