From patchwork Mon Oct 31 11:11:28 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jing Zhang X-Patchwork-Id: 13025607 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 771D4C38A02 for ; Mon, 31 Oct 2022 11:13:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date:Subject:Cc:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=ekamm4mrKftaiabGpdxNuOoJHz/sKBQYMOQpHFCWDGY=; b=Tw+Be4nvR1sUj3 rR6gu+7RWltIZeaC+8fLn5mN/NL3Y+DG87BfYKkZAgArpFY28uDzk4IJcSqNw+rPBYnAqzvVuahdl zdBSdCxu0Sbk55ynk171y4zb8Kxh2nvX3HCyfPemllBjrRXGfvCGN/B9Hk2eDLEBtT/uk6ftJ/cpG S3pcRl1Teggy8AwDZzFpR18gNhzJxuO6FgQx+ksHpVZX7AX+X6Qv2xFxPZo3UQqRQ15Jbb4TrpmOb VRMAMcavioJl3c7ElUZPHBaQ9Ajl+jRIlqe9p8X1eXF9KtsTmYxZ1jvmjka8GM8aLsnpKiQXrbK8c BXFtjhaYle5JDzBcbuew==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1opSht-00B578-OC; Mon, 31 Oct 2022 11:11:53 +0000 Received: from out30-44.freemail.mail.aliyun.com ([115.124.30.44]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1opSho-00B51u-QZ for linux-arm-kernel@lists.infradead.org; Mon, 31 Oct 2022 11:11:51 +0000 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R181e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046059;MF=renyu.zj@linux.alibaba.com;NM=1;PH=DS;RN=18;SR=0;TI=SMTPD_---0VTVxoG-_1667214695; Received: from j66e01291.sqa.eu95.tbsite.net(mailfrom:renyu.zj@linux.alibaba.com fp:SMTPD_---0VTVxoG-_1667214695) by smtp.aliyun-inc.com; Mon, 31 Oct 2022 19:11:41 +0800 From: Jing Zhang To: linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Cc: John Garry , Will Deacon , James Clark , Mike Leach , Leo Yan , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Andrew Kilroy , Shuai Xue , Zhuo Song Subject: [PATCH RFC 0/6] Add metrics for neoverse-n2 Date: Mon, 31 Oct 2022 19:11:28 +0800 Message-Id: <1667214694-89839-1-git-send-email-renyu.zj@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221031_041149_065521_3E458046 X-CRM114-Status: UNSURE ( 8.30 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This series add six metricgroups for neoverse-n2, among which, the formula of topdown L1 is from the document: https://documentation-service.arm.com/static/60250c7395978b529036da86?token= Since neoverse-n2 does not yet support topdown L2, metricgroups such as Cache, TLB, Branch, InstructionsMix, and PEutilization are added to help further analysis of performance bottlenecks. with this series on neoverse-n2: $./perf list metricgroup List of pre-defined events (to be used in -e): Metric Groups: Branch Cache InstructionMix PEutilization TLB TopDownL1 $./perf list ... Metric Groups: Branch: branch_miss_pred_rate [The rate of branches mis-predited to the overall branches] branch_mpki [The rate of branches mis-predicted per kilo instructions] branch_pki [The rate of branches retired per kilo instructions] Cache: l1d_cache_miss_rate [The rate of L1 D-Cache misses to the overall L1 D-Cache] l1d_cache_mpki [The rate of L1 D-Cache misses per kilo instructions] ... $sudo ./perf stat -a -M TLB sleep 1 Performance counter stats for 'system wide': 35,861,936 L1I_TLB # 0.00 itlb_walk_rate (74.91%) 5,661 ITLB_WALK (74.91%) 97,279,240 INST_RETIRED # 0.07 itlb_mpki (74.91%) 6,851 ITLB_WALK (74.91%) 26,391 DTLB_WALK # 0.00 dtlb_walk_rate (75.07%) 35,585,545 L1D_TLB (75.07%) 85,923,244 INST_RETIRED # 0.35 dtlb_mpki (75.11%) 29,992 DTLB_WALK (75.11%) 1.003450755 seconds time elapsed Jing Zhang (6): perf vendor events arm64: Add topdown L1 metrics for neoverse-n2 perf vendor events arm64: Add TLB metrics for neoverse-n2 perf vendor events arm64: Add cache metrics for neoverse-n2 perf vendor events arm64: Add branch metrics for neoverse-n2 perf vendor events arm64: Add PE utilization metrics for neoverse-n2 perf vendor events arm64: Add instruction mix metrics for neoverse-n2 .../arch/arm64/arm/neoverse-n2/metrics.json | 247 +++++++++++++++++++++ 1 file changed, 247 insertions(+) create mode 100644 tools/perf/pmu-events/arch/arm64/arm/neoverse-n2/metrics.json