From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 69FB33E3140 for ; Wed, 16 Sep 2026 18:44:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789584322; cv=none; b=o39kRdRw9qjLPWI1iQxwBw8JiVgLgbfN340CP/z+/h/K4U60DobXPdS05KIARQN6dsL3CeHQKqb3KseDsoWU9+RX/Ftc3kaEIf7OdNcaI4avne5k6qf6xyVIQzUGuwC8DIc9p3Ka8csRFsBy3aNCqWVEZsjsD5iuYPGw3canyDE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789584322; c=relaxed/simple; bh=bubCCqIlXl6/2nXR83xBdCL+1Ica5B9gBmJlyXTpAk4=; h=From:Subject:To:Cc:In-Reply-To:References:Content-Type:Date: Message-Id; b=u4jlnFvxw0F6TgWgUKANsRid3wYstVJgIRE9HRAOebUIx1q2AYyvkg52ltQlh+Cyw6EVVd1ErvhfK9entmUjizFe2vW1oLD3l5dY+XbVv+xWe6cHCC1M5bsYB/fBVJczVT4aMsVlUGdXLEFb8BQmYARlH44jIoM/c/aqsteP6pQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=TZMS+4t2; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="TZMS+4t2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DF0201F00893; Wed, 16 Sep 2026 18:44:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789584295; bh=avLYZ+ZnJUa2fu1BpSUjtmku3YfBrcKjcyrHMutuvgM=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=TZMS+4t2IBKxkjiqb2l4xXnZYJhkIqwzcdX0kdc9fLu9vzibuBIDseVIMEb0uFQlu vVBPc0Yj8K3/kdqjWiH+6EDNcbH9DqJgCtAn8NWWWxJn4tJk6xRxszGbN5bH0/BlUy cCPk79PxtiGwV6urZm6kP4/o7sMe6l+ZUVdKce9+eIlSzldxRH6+ztkiqm0QOn3BNs TJp1WqbiICKVPk6DSWOqU/cMghcWe95uJDNYFqd/yqfNVmLQy3VAqCo95h2JaRnFmg LqPp5mCtBKHu5LiVt0nAMX0D+Zguw8Ty9ZjvbuloWk5JyKFkD1KreXA+z+Pj+j+vRb bvA7zeBgKatNQ== From: sashiko-bot@kernel.org Subject: Re: [PATCH 10/12] perf annotate-data: Resolve type DIEs in the debug file they came from Reply-To: sashiko-reviews@lists.linux.dev To: "Arnaldo Carvalho de Melo" Cc: linux-perf-users@vger.kernel.org In-Reply-To: <20260916183215.54305-11-acme@kernel.org> References: <20260916183215.54305-1-acme@kernel.org> <20260916183215.54305-11-acme@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Wed, 16 Sep 2026 18:44:54 +0000 Message-Id: <20260916184454.DF0201F00893@smtp.kernel.org> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > From: Arnaldo Carvalho de Melo >=20 > A 'perf report -s type' on a 783 MB AMD IBS data type profiling session > hangs, burning all of a CPU and producing no output: >=20 > =E2=AC=A2 [acme@toolbx perf-tools-next]$ perf report --progress -s type= -i perf.data.ibs > /dev/null > Processing events... [100.0%] 746M / 746M > Merging related events... [ 58.0%] 293828 / 506686 > Merging related events... [ 59.0%] 298894 / 506686 > Merging related events... [ 60.0%] 303960 / 506686 > Merging related events... [ 61.0%] 309026 / 506686 > [ ... nothing else, ever ... ] >=20 > It is a spin and not a slow path: with perf-stuck the CPU time used > grows by a whole interval on every sample, while the [stack] mapping, > [ ... ] >=20 > Fixes: 06b2ce75386df04b ("perf annotate-data: Maintain variable type info= ") > Fixes: 55ee3d005d62279d ("perf annotate-data: Add a cache for global vari= able types") > Assisted-by: LLM > Signed-off-by: Arnaldo Carvalho de Melo Sashiko has reviewed this patch and found no issues. It looks great! --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20260916183215.5430= 5-1-acme@kernel.org?part=3D10