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 44FA33DB32B for ; Wed, 16 Sep 2026 12:01:05 +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=1789560074; cv=none; b=JvVQ9TmDHZxxWLUZcVsN5eEc2Zr9lR1P2FHiCi4VT90h2lpFsjBgGy8pRcrOgGXIqEJOs5E7o/UFwp1b8qaSiRs3FD6I2FnTmJC8OOsmLknCyWmreDvZQscvR0YWCruZ60BTFtcBEJ9V83PvTB2Msw8/dC6r8vWnLOaEK7oMTiw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789560074; c=relaxed/simple; bh=2zufNHMU+QG2XDMLvtMKK1cq+T4nR1CBmReUnb4BPOQ=; h=From:Subject:To:Cc:In-Reply-To:References:Content-Type:Date: Message-Id; b=NuwxEF68jGt5R/bJ0sFhM3KgQ30zkki0nqOc+Ld46AOvK++Tk8bWVWgEfPOx8zxpJ3QWkZ1knnvriI9P13E9eKgEaNGycxP7sSRBbRjMMRaxG0rN4IJVJ5tQhB3XuRnGKmiV+LALiDJ+KIfoQLaowXoBFICHMHevfU6vTcVKRyE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CSDAF8V8; 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="CSDAF8V8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2293C1F00893; Wed, 16 Sep 2026 12:01:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789560063; bh=wFLb8PTHP1B2bubT0hxb1f9MRytSxVi3NjQq8dG7Nww=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=CSDAF8V8Q51ylnZ5KJZrkWG5sy3LEirabOZbSmElUwI4+m5iMuuQ9Ufe13JxvHjEf JHEwOncMtP+N0lPdQ3jzG5uYWOqCEQejF2SmEKKliRb/u30pZf4TANk4KZPnH93uuG O8IKNredLqLwtNHW+CdQn2c+E8wyj5pHGjm4SYKdcPEPyPMtYzu0zbtrnrr0ZsZFbS LHac79SZcTIZhb9bWEcZ5PTwNy4Od25/0lFWBCf99D2KjySrU69GnbDhpxU/wyT5q8 5ZmRe2BhgYQhT8bD/gdH8zyVFM7fFqCGJySe593X+WXeLKOWOW8y1y/FCCVpKWry5o Z0HC/BXgupmOA== 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: <20260916114740.48230-11-acme@kernel.org> References: <20260916114740.48230-1-acme@kernel.org> <20260916114740.48230-11-acme@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Wed, 16 Sep 2026 12:01:02 +0000 Message-Id: <20260916120103.2293C1F00893@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/20260916114740.4823= 0-1-acme@kernel.org?part=3D10