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Date: Tue, 2 Dec 2025 05:45:32 +0100
From: Ingo Molnar <mingo@kernel.org>
To: Ian Rogers <irogers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Namhyung Kim <namhyung@kernel.org>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Jiri Olsa <jolsa@kernel.org>,
	Adrian Hunter <adrian.hunter@intel.com>,
	James Clark <james.clark@linaro.org>,
	linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1 1/4] perf stat: Allow no events to open if this is a
 "--null" run
Message-ID: <aS5u7BkXnA2Q19-8@gmail.com>
References: <20251201230904.290733-1-irogers@google.com>
 <aS5tRnf801Sm3z8P@gmail.com>
 <aS5t5hCk0vde4QvY@gmail.com>
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* Ingo Molnar <mingo@kernel.org> wrote:

> 
> * Ingo Molnar <mingo@kernel.org> wrote:
> 
> > Note that without the cpumask workaround patch I sent 
> > 'perf stat --null' still segfaults on perf-tools-next 
> > even with the above patch applied - I suppose that's 
> > expected, right?
> 
> Ignore me, I just saw your fix series:
> 
>   git git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools-next.git perf-tools-next

With all 4 patches applied to v6.18 'perf stat --null' 
works fine:

  Tested-by: Ingo Molnar <mingo@kernel.org>

Thanks,

	Ingo