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=1793818860; b=eypgBU5j8ZJuV7+yHj+9cOITi0/26VMcvz1IiWxegUfDOAwLih+Yr7YJCvOJON7mIPuQ VEjhn+kFigPYNfjeB82ShZZqLINNH51eWU3WDggMDgpo8r16y44nCX2e1sGOpkNRszGNr ibu7Ao2JwejudPa9GZz7vj25Sje2d1admFd/u26NSA3eEC+Lwf5YgbTBsk7zozBZwgk+z PSfUAwPJqW78k04X932nHTw5Zk/M0PECXRbEYCRQSUMbeHk5rdscDc8ry91jNBTutlWwy uAt+bEKHakxIlNGbGQq41Cx03hO/gGiQ8Bk1UTzB1KBg3NWnOpvr1y/CaLplYpdEfkA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793818860; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=hbfRAH47qojiT6dKxq3x2l/yz14osDCgG7xxcNFqpgI=; b=s/HAAVYHRbSUCMKSmq/BF+3dWYQuRB7uD8wM8ZWmgZJX/nyWMQ+rcuX7+bWavPRKhCzo +ST0f+snhQHDMcSgRZ02WCeP/B15ecnUQkFsO2KMx/2akdOh+eBENhDkYYPY1waGFJEVD 0+T3mV+Pmf//JtWIfgf5PyO+AkaOlF6Mw2jQ7gIZLoKyNpU7l3xfeKuFRh+UdGVuYZZtE nKVvesdH5epjcAEI4SkJMStQz76/MiswLEs2N0CdAH4dks4cKY5OHydn1yIV8XcODVjkE 4EQQ1Aa/h17Zx1qr1le3NnSK6oVmw4dZBgne+/E+gnUv/dbzWqzzvUr0mesoJrF1bpA== 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=cbWLlJFD; 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 2DDC8606A31B for ; Wed, 4 Nov 2026 19:00:59 +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=cbWLlJFD Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6EFFD1F00919; Wed, 4 Nov 2026 19:00:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793818859; bh=hbfRAH47qojiT6dKxq3x2l/yz14osDCgG7xxcNFqpgI=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=cbWLlJFDhXMU+V6j7E/LuwI0hx8orq6pJSv8lhRdpmqPN6mQFEoZaa1BXJ9LFCYtF T98szGsyzoBiBuRwYff7uTd8hIz3Aj8kg9HypjzwxaA9XHMaCeEl2xAR2Yu7aUS6Ir +ECRgjSmCOjAf9/XOG4TXKm4OHV6f9z6hfwDgbfSgpZnqsUOTmd9RahEFo8F1tSTAt 3Zwxbz7ui4TVvxK9qBnm6u/sTRG46kdJT8LwQ2R/L4rNFDqXxD2/L7UavtQXlVfuaF UewoSRvjg55uVteGmIafibU/odd4JR+E9Z5gGIsWGv6nxWkW4BXUKUGkytn6nryJ3/ NAE4bi6W7wswQ== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v6 07/13] alpha/perf: attach ProfileMe status as PERF_SAMPLE_RAW data Reply-To: sashiko-reviews@lists.linux.dev To: "Matt Turner" Cc: linux-perf-users@vger.kernel.org In-Reply-To: <20261104-alpha-profileme-v6-7-63362e9290a3@gmail.com> References: <20261104-alpha-profileme-v6-0-63362e9290a3@gmail.com> <20261104-alpha-profileme-v6-7-63362e9290a3@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Wed, 04 Nov 2026 19:00:58 +0000 X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > A ProfileMe sample's PC alone does not say what happened to the profiled > instruction. I_STAT and PCTR_CTL do: whether it trapped and why, was > mispredicted, stalled, or was killed on a wrong path, and what PCTR1 > counted during the window. >=20 > With PERF_SAMPLE_RAW, attach PMPC, I_STAT and PCTR_CTL to each ProfileMe > sample in a versioned struct alpha_profileme_sample. PMPC is included > because a PALmode PMPC is not the sample's IP. Killed instructions can be > told apart by PM_KILLED_BM and VAL. The 64-bit fields are packed after > the 32-bit version, since the payload follows the 32-bit raw size in the > sample record: they are then 8-byte aligned in the record, which needs > no padding. >=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/20261104-alpha-prof= ileme-v6-0-63362e9290a3@gmail.com?part=3D7