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 D503B372EC0 for ; Sun, 13 Sep 2026 02:44:44 +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=1789267485; cv=none; b=sji57arx/yVJDZMQ5t5+ZiEJ6pfpFZkbBII7TM/E6IQpnl0LMOhhviaicuJU8GssHZeK3HDEYZJXUMNu5MDDErR+uDayVq1LNjhPMA6KaXdKQm723UNuyGJiJVZmeaOz77RcDjknGvQPCVg2CNub41bMmRaIbZLRfqjg24vQopg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789267485; c=relaxed/simple; bh=HORQz/kgMWqONj0JROVqFNYg11G7IKdjBD6LxbuKpNI=; h=From:Subject:To:Cc:In-Reply-To:References:Content-Type:Date: Message-Id; b=rPZsz07BJ3Hr2Nok8R6dH9e14Exgog50rRAdm/8JB+AoJk5+KsudLDUJBgv+aSesQSDw3aTqOcpts7h0yAa/tld74iakqrCPHTz+mb7267IfHAYlq/k6QWvC2enETv3QmBzwnhHp/4UCgx0CClQmmBFC3VtPJqP+ezMIhWEpKEQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ACvcf5dR; 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="ACvcf5dR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9AE281F000FF; Sun, 13 Sep 2026 02:44:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789267484; bh=mHK8KIdYGV5hsItniCJ1MnvFsxj5mgB2Irbimqj+pow=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=ACvcf5dR2aARKGylJeKVi1UlJ9FkJLFirizyjbykJ0gE9FODptJ5Yn6Oobhr41SkK G5t1UQk0or2So2Ns/JtIty0KmH2k+OUtuKmXq1nLKdYKx9rpmy6rceKCtB0ydxXxbD EFgcCX0XHvxDgrpB7ly2gAeLxumwx9gRouWhaAWVjSvPR2+GDcShHEkQZ09EwtS4ki 7hcrkAY3Z8T6YghcAHZ6hVQZsvBp3OXWYETZ0Zj36Di7IAvWrJAZr3Ej77wl1sW1H6 0E9TaLf3cveWe1YXqrvNEjIjeUrR0+zrlxTDbx3R/UuXupOM7yEkBybkLVgeX7UZDH qs6c2hOoYbwKQ== From: sashiko-bot@kernel.org Subject: Re: [PATCH v1 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: <20260913023459.112654-8-acme@kernel.org> References: <20260913023459.112654-1-acme@kernel.org> <20260913023459.112654-8-acme@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Sun, 13 Sep 2026 02:44:44 +0000 Message-Id: <20260913024444.9AE281F000FF@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/20260913023459.1126= 54-1-acme@kernel.org?part=3D7