linux-kernel - Re: [BUG] perf segfaults when combining --overwrite and intel

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Message-ID: <20250429095627.GI551819@e132581.arm.com>
Date: Tue, 29 Apr 2025 10:56:27 +0100
From: Leo Yan <leo.yan@....com>
To: Tomas Glozar <tglozar@...hat.com>
Cc: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	linux-perf-users@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>,
	Wander Costa <wcosta@...hat.com>
Subject: Re: [BUG] perf segfaults when combining --overwrite and intel_pt
 event

On Mon, Apr 28, 2025 at 04:16:58PM +0200, Tomas Glozar wrote:

[...]

> However, the data cannot be read:
> 
> $ perf report
> 0x7620 [0x30]: failed to process type: 71 [Invalid argument]

I can reproduce this issue, it is likely caused by failing parsing the
PERF_RECORD_AUXTRACE sample.  I will look into it.

Thanks for reporting the issue.

Leo