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=1793564227; b=BLGe2Qoi0Jvwsr7F93Sfhfr4JS2zN0Xn1LCSP2kFaTJNMF0TXmidNDQb2yIWy3ljotSV rJodfw8S+7X0LRKRc6j35dY0nWBYMBYu3HntAcpNofd+Y0T4xcN+36uYWgu37/zN3eSsM CYSwseX2dQfOlCpZ1e586+XCA05S3LA9hhnSyZhqfPjS7SWm5R/1hrk0DvCuHHlnMGdhn 6cvpmzldQM9EUyQ46z3wYn7FhpstP49zX2ut9MzCaxOvy5kVC7hoR+hAiQPD2hZQqXncj fWhD9VwW8rmT0LZH0LIK7c6fYYle4bfa72gh0tepI/hqWy3rU3WRZML+aKFnalu1fbA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793564227; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=1ZCilPZOVJqcqoajAIkG/L/cOW0tv4Ddj9ZQx0ens5A=; b=hDWwKTYXSYOoESPLldtOtNSW4XwIRsbXQFnBG4TieMNvcmNKO1Ahu/XUb3rxqbyGTddR h2vSnJnr6RZqP0wFDwHqxJjgOBSA1VIbZfmAV7Sh5jidfXoNeU4uqp8brfElC7Hr5PEu4 mK2yr7iQXas9bp0UNwKfuakXutz112n1VemI5DrpWRMkagOXEAkWLY7rI9iDXtarLBxtS QqUWFNDcbe0cYjILCeZNr+B6D2K6B6SqXoJ+OFLyPujd8aXidPGYrfna6cuC40Vjlk6eO S2UtBBQqiaiJ4jb5BavUvOJqFrx84PecnXiYxsvO3SBPnpWMhiGoLHrf+EUhbKhc/Gw== 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=lp1071Tn; 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 DE431606A325 for ; Sun, 1 Nov 2026 20:17:06 +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=lp1071Tn Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4C39E1F000C1; Sun, 1 Nov 2026 20:17:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793564226; bh=1ZCilPZOVJqcqoajAIkG/L/cOW0tv4Ddj9ZQx0ens5A=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=lp1071TnY8OE7WgbmCl10IOosj9GbIEHtw+nRf1PcA+rzrUZw6ehmGnjtlhGHN7/m FlWOeSmTOgfasifAv8ywDhrK7YucjnwNMUlGJGuoZWJ3TA6NR2rAYILABN01lGQkPM qqV4VjcLNvqk816X8xOighOfx3YD+SqHO201QiXFLh1OY1y1vuoJM8DbSYbHzDAA4J HnkdfkqcnGm+hV32IO3Wkmcuj83AoHQRAK88OJQnFBgJW98NktFrbkE11uzHLBy9JP A06XcOKinyz1f8PAMVozytifgPLzE39RPG+XDtK00cC5GOe8YsEwBfNcga53B19ztf fDIRuO7ZzYpnA== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v3 6/7] 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: <20261101-alpha-profileme-v3-6-92d511b5a044@gmail.com> References: <20261101-alpha-profileme-v3-0-92d511b5a044@gmail.com> <20261101-alpha-profileme-v3-6-92d511b5a044@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Sun, 01 Nov 2026 20:17:05 +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/20261101-alpha-prof= ileme-v3-0-92d511b5a044@gmail.com?part=3D6