From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 A8EF715E8B; Mon, 30 Dec 2024 15:58:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735574300; cv=none; b=hkRTg6/GW/Ijw9VqiOZEKbsz4i6zZ90xbAtGkTvKl8KZPvxXxrTrVYRkn+tG8HGQhwTkMwncR50Dbn5sYBIIWhsp9G0WesjfCrj6bljJMIFRZzGZMGpXxSrCXSD342YSBZQqsxYHs1EkSHghXMDoKYhXbphsGBAnHk5FxgwBdOw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735574300; c=relaxed/simple; bh=8U8b6ZZ582ffljalWmb0PGooxF7abQX23dgQ1ppN3Bg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Hzny6JG/M/g47Q5Nyk0Y2BVlcyhb6g9vc6njaQyXxH9B2KSyKsliOqA0yqueqfcqaOsXmmhD4NAP/ENbKXjkp9lvB55OLb06xvbR/oWDgRVIQpdWoTCUFrk1DemdABW81XvCR4jU/vglGX2wG2qE055P2vnSPjHAWqChVI5HBvw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=F2TgEsbA; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="F2TgEsbA" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1781FC4CED0; Mon, 30 Dec 2024 15:58:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1735574300; bh=8U8b6ZZ582ffljalWmb0PGooxF7abQX23dgQ1ppN3Bg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=F2TgEsbARSVeZa9dzxQpiBaUDzSj3S5SdnRRIYPdUqoAhbzi6JoEbVLSkqTODfaHH Hw1cLudv9ltErdQUdhgZcF8Ah3Cj9FDTMCY2Ibs1DR/epKOnIYCgrmLKI4LN/fY2Ez 1e9GqvID18O8nnGYqwBU6hnppb9ZzgYgSbOGMo8E= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Kan Liang , "Peter Zijlstra (Intel)" Subject: [PATCH 6.12 096/114] perf/x86/intel/ds: Add PEBS format 6 Date: Mon, 30 Dec 2024 16:43:33 +0100 Message-ID: <20241230154221.801336182@linuxfoundation.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241230154218.044787220@linuxfoundation.org> References: <20241230154218.044787220@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Kan Liang commit b8c3a2502a205321fe66c356f4b70cabd8e1a5fc upstream. The only difference between 5 and 6 is the new counters snapshotting group, without the following counters snapshotting enabling patches, it's impossible to utilize the feature in a PEBS record. It's safe to share the same code path with format 5. Add format 6, so the end user can at least utilize the legacy PEBS features. Fixes: a932aa0e868f ("perf/x86: Add Lunar Lake and Arrow Lake support") Signed-off-by: Kan Liang Signed-off-by: Peter Zijlstra (Intel) Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20241216204505.748363-1-kan.liang@linux.intel.com Signed-off-by: Greg Kroah-Hartman --- arch/x86/events/intel/ds.c | 1 + 1 file changed, 1 insertion(+) --- a/arch/x86/events/intel/ds.c +++ b/arch/x86/events/intel/ds.c @@ -2496,6 +2496,7 @@ void __init intel_ds_init(void) x86_pmu.large_pebs_flags |= PERF_SAMPLE_TIME; break; + case 6: case 5: x86_pmu.pebs_ept = 1; fallthrough;