From nobody Mon Apr 13 15:49:06 2026 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 190F3C4332F for ; Mon, 14 Nov 2022 07:43:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235998AbiKNHnD (ORCPT ); Mon, 14 Nov 2022 02:43:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37692 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235967AbiKNHmr (ORCPT ); Mon, 14 Nov 2022 02:42:47 -0500 Received: from out30-44.freemail.mail.aliyun.com (out30-44.freemail.mail.aliyun.com [115.124.30.44]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1BBA5186F9; Sun, 13 Nov 2022 23:42:44 -0800 (PST) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R411e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018045168;MF=renyu.zj@linux.alibaba.com;NM=1;PH=DS;RN=19;SR=0;TI=SMTPD_---0VUjWi2J_1668411760; Received: from j66e01291.sqa.eu95.tbsite.net(mailfrom:renyu.zj@linux.alibaba.com fp:SMTPD_---0VUjWi2J_1668411760) by smtp.aliyun-inc.com; Mon, 14 Nov 2022 15:42:41 +0800 From: Jing Zhang To: linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, John Garry , Will Deacon , James Clark , Mike Leach , Leo Yan Cc: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Andrew Kilroy , Shuai Xue , Zhuo Song , Jing Zhang Subject: [RFC PATCH v2 4/6] perf vendor events arm64: Add branch metrics for neoverse-n2 Date: Mon, 14 Nov 2022 15:41:58 +0800 Message-Id: <1668411720-3581-5-git-send-email-renyu.zj@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1668411720-3581-1-git-send-email-renyu.zj@linux.alibaba.com> References: <1668411720-3581-1-git-send-email-renyu.zj@linux.alibaba.com> In-Reply-To: <1667214694-89839-1-git-send-email-renyu.zj@linux.alibaba.com> References: <1667214694-89839-1-git-send-email-renyu.zj@linux.alibaba.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Add branch related metrics. Signed-off-by: Jing Zhang --- .../arch/arm64/arm/neoverse-n2/metrics.json | 21 +++++++++++++++++= ++++ 1 file changed, 21 insertions(+) diff --git a/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2/metrics.json = b/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2/metrics.json index 1690ef6..e960a66 100644 --- a/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2/metrics.json +++ b/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2/metrics.json @@ -131,5 +131,26 @@ "BriefDescription": "The rate of LL Cache read hit to the overall = LL Cache read", "MetricGroup": "Cache", "MetricName": "ll_cache_read_hit_rate" + }, + { + "MetricExpr": "BR_MIS_PRED / INST_RETIRED * 1000", + "PublicDescription": "The rate of branches mis-predicted per kilo = instructions", + "BriefDescription": "The rate of branches mis-predicted per kilo i= nstructions", + "MetricGroup": "Branch", + "MetricName": "branch_mpki" + }, + { + "MetricExpr": "(BR_PRED - BR_MIS_PRED) / INST_RETIRED * 1000", + "PublicDescription": "The rate of branches retired per kilo instru= ctions", + "BriefDescription": "The rate of branches retired per kilo instruc= tions", + "MetricGroup": "Branch", + "MetricName": "branch_pki" + }, + { + "MetricExpr": "BR_MIS_PRED / BR_PRED", + "PublicDescription": "The rate of branches mis-predited to the ove= rall branches", + "BriefDescription": "The rate of branches mis-predited to the over= all branches", + "MetricGroup": "Branch", + "MetricName": "branch_miss_pred_rate" } ] \ No newline at end of file --=20 1.8.3.1