From mboxrd@z Thu Jan 1 00:00:00 1970 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 648D2FA3740 for ; Mon, 31 Oct 2022 11:11:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230142AbiJaLLq (ORCPT ); Mon, 31 Oct 2022 07:11:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53434 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230107AbiJaLLp (ORCPT ); Mon, 31 Oct 2022 07:11:45 -0400 Received: from out30-43.freemail.mail.aliyun.com (out30-43.freemail.mail.aliyun.com [115.124.30.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C7B03BE12; Mon, 31 Oct 2022 04:11:43 -0700 (PDT) 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 Precedence: bulk List-ID: X-Mailing-List: linux-perf-users@vger.kernel.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 -- 1.8.3.1