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 D68E52F290B for ; Mon, 14 Sep 2026 01:46:01 +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=1789350363; cv=none; b=g5dkiVhL12oLrVOw0MTGRIkSGx9KJYzwNRlWgcHaYvyjXLhl+vswJZBoE+I+iel98CXtfyUfqpcxHK/kphaBGh+62VRui3T4RzZWPmcU+8gc7xy842pN3oLnnYHArRvFN9Savl2UnEML24aysHrHoDEPol2lzRKf/olE3zEaxi4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789350363; c=relaxed/simple; bh=u5zb+Gqms3kUXgBXlKz8RjHt3E9jQtaYgEy8+Vl2y+k=; h=From:Subject:To:Cc:In-Reply-To:References:Content-Type:Date: Message-Id; b=OxPWgt9IXdmcg/0f2oPya1bjwhDDH4nOkvDEs3L8XptMGfxa9dKOFh7EQh/0aNTrDHFo4TxJM4WfsBJdKKWgHVvo1x2/cqrCEPaDHvkM1rrDmKPXRXVFq105QAR91f6KSE0DduNe7no1RIPxQj8dACTeTo8ZwfL4caJHLq2hhLw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lduIog18; 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="lduIog18" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9A2E61F000FF; Mon, 14 Sep 2026 01:46:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789350361; bh=NoUrKnAHYD8PJRqpzIaBoNeQ+WtKbjaXqHOl8pcl5Kk=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=lduIog18zIvC1S3yY44WtGXYAjnqPHQK6r4v/fq5Z1vwkDWL6REmxUbQ9Qt+rvNM8 AcDbpKhGNZOjFWVgii9FPdoImqqcKMeKZFu8b8LzdXJOSnX6b6kNjSZoUvT83div5Y nu0sgy4cQ0VMJuFayeOofRaG7xFTNpImzfXGsXra61L7NQzCXRmVIq6OiYA8O5HnBk R1+KNkKNDp1nTogi1/u3rysmwP3OquyWa+tnxMpyHaSvbHN68EHxKHOm55QuNxuFEo vroYQQd2fry8xDqwCNdN9O/zPc37yTuFzoUScju+NXo5for72eazeRh052C9XuuoCV tjo2RRdru3EEA== From: sashiko-bot@kernel.org Subject: Re: [PATCH 7/8] 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: <20260914013604.7702-8-acme@kernel.org> References: <20260914013604.7702-1-acme@kernel.org> <20260914013604.7702-8-acme@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Mon, 14 Sep 2026 01:46:01 +0000 Message-Id: <20260914014601.9A2E61F000FF@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/20260914013604.7702= -1-acme@kernel.org?part=3D7