From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793333599; b=fEFGCJE60QNb1dFNbQT6UHdXRoB5XoNUOGYT9as4bytSjb6Yu+sPGGysKiQY4gheQ0U4 61/7AnoE/LH7gDpq+Yx3c27fco9Wib1LLF+0G5neT5Aw9bclB/G7+SiqJgrFHTgwfne73 0Qz0FGIeWBj4ETmLLuy1F3Joqw7LHcfXsXnYsSFjcnQRPvYe4xWEEOc37wQeYmxtbfl6O CmeGPOVh9I8KYgxB5JR7jUQYptNCnlYlda4Z5X+oSZpAL4IAMmumOJMC1/Pqc40moDCZF 0zHUzsUwCVJUk56NF1CNEwX44p+Ka+noCX+rwKHxlvO/EWHgVQV6cupUQ1wS3Y5+2yA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793333599; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=Y2cHiXOFjThrnKA1dE7KD2mxOb0MEw7yNX+4wfLAZ/U=; b=X/ttWVrq1GZz5F/NPigBgHhTOPudpuVC5zzCeNCKs8T20WJK+JWRR2UmPgf/Q3AE0ed0 Th4bf5IX+gUkjAhfxPkorJf5lZdE+gWbiUQSFO/ZSqxlgo7pl2OYaFAtxp6cvll0P3QdS 7HdTJn7wfreVu4e2ojhZ1lj1JVEiNxu8sASgHN3dhqTiRfnPTulz8vk8vJ5XuEWON6wDY Sy9XCYPf5/p8UpyN74I/WAL0sbRZJQs2zpc3Ufl9Y5t8X6Gjhcvtrp1BJOV855oL+LOhQ 7qhIyMYoTkVyzUzh8IWt/HAHsDiPt8spWdfdwdA1bvW8XxDm76Bhd9ObvXuCjcEwXjQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=bpU9PWht; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2B9A8606A32E for ; Fri, 30 Oct 2026 04:13:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=bpU9PWht Received: by smtp.kernel.org (Postfix) with ESMTPSA id 96C311F00A16; Fri, 30 Oct 2026 04:13:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793333598; bh=Y2cHiXOFjThrnKA1dE7KD2mxOb0MEw7yNX+4wfLAZ/U=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=bpU9PWhtMN2ZOlIGxLmUF5OxAc8tcAie4gCPk0JbU8/J3qxvd0vBdfTRShqjSxNOy rNeFTqQmxqwqQLSwvAt7NiNtOBKGObAh6xcu+PGSzhev9ar0o5CJCGgRAiNYIeeWq3 2JsSs04A/J4spfqrPFJs+YwXfmrb/Cc7txBYJ9xp8tmQeSWlal6kwBeHbX7keTKAD5 ZvaeTwVuUaQTojP1W5DU67bjcXL/YYtURrDPWuMPVgSxj6+HXx37V3bnapGRtGyxux 5cl5UHHJIDU3S+GXNo5Lj9GzEDWMVj3qJKQHTwwuYZZpCmwOD+4f6MK07VnTx3B07G 7PAgPd7U3hsZw== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v2 2/2] perf python: Add alpha-profileme.py Reply-To: sashiko-reviews@lists.linux.dev To: "Matt Turner" Cc: linux-perf-users@vger.kernel.org In-Reply-To: <20261030-perf-alpha-profileme-v2-2-9ce2f0b0e622@gmail.com> References: <20261030-perf-alpha-profileme-v2-0-9ce2f0b0e622@gmail.com> <20261030-perf-alpha-profileme-v2-2-9ce2f0b0e622@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Fri, 30 Oct 2026 04:13:18 +0000 X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > perf report shows where Alpha ProfileMe samples land but cannot > aggregate the raw status attached to them. >=20 > Add a standalone script, using the perf Python module, that summarizes > it by symbol or, with --pc, by instruction, in the style of DCPI: the > fraction of samples killed on a wrong path, not retired, mispredicted, > taken or stalled, the mean PCTR1 window count, and trap counts by type. > Mispredict and trap types are only counted when I_STAT[TRP] is set, > since they are stale otherwise. Redirect traps are counted by their > PALcode entry offset in PMPC. >=20 > On an EV7, sampling a loop whose branch tests random data reports that > branch mispredicted in 21% of its samples, and 0% with sorted data. >=20 > Signed-off-by: Matt Turner Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261030-perf-alpha= -profileme-v2-0-9ce2f0b0e622@gmail.com?part=3D2