From patchwork Fri Dec 23 12:37:23 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jing Zhang X-Patchwork-Id: 13080964 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 DD217C4332F for ; Fri, 23 Dec 2022 12:43:18 +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:References:In-Reply-To: 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: List-Owner; bh=rOA3JpD+NN7aKDl6IsdVRqgeNngv4gLb3keN+LcRWGQ=; b=qZ+z7AEp52OvHq V+b8Uc+gFOdyvBIZIteolTFNeUH6/hGUMQ+GyKNr++CuCnOmDGg4qLatICwPzhuDvxWddF3s09tio 5QqOx3vD7sqZqFThTLKgXC8nhRxhXGyGQoLzpN3F9ko70kWEmecJXRkQDzlh51W9aFCK1rZtOGeGC 1cbAq7xfvtwu1HiYw3l8kumAwKRK+pfETdIJn3hATr5QNf3HuBQoTps9G4yUg6FjJtlGkO3eiVLg0 iZnQMuzBrI6NIYeXtqJhCwwI62HPnwLkjRzCpMlR9dVP7QMlP/FKccS1GymDqLabc0MUzQ/MYCaqy 95o4keWadYyvAG/8tYBw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1p8hNO-0083Hs-I4; Fri, 23 Dec 2022 12:42:15 +0000 Received: from out30-7.freemail.mail.aliyun.com ([115.124.30.7]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1p8hKv-0081hg-1T for linux-arm-kernel@lists.infradead.org; Fri, 23 Dec 2022 12:39:46 +0000 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R111e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018045176;MF=renyu.zj@linux.alibaba.com;NM=1;PH=DS;RN=21;SR=0;TI=SMTPD_---0VXwwMZL_1671799173; Received: from srmbuffer011165236051.sqa.eu95(mailfrom:renyu.zj@linux.alibaba.com fp:SMTPD_---0VXwwMZL_1671799173) by smtp.aliyun-inc.com; Fri, 23 Dec 2022 20:39:34 +0800 From: Jing Zhang To: John Garry , Ian Rogers , Xing Zhengjun , Will Deacon , James Clark , Mike Leach , Leo Yan Cc: linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, 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: [PATCH v4 4/6] perf vendor events arm64: Add branch metrics for neoverse-n2 Date: Fri, 23 Dec 2022 20:37:23 +0800 Message-Id: <1671799045-1108027-5-git-send-email-renyu.zj@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1671799045-1108027-1-git-send-email-renyu.zj@linux.alibaba.com> References: <1671799045-1108027-1-git-send-email-renyu.zj@linux.alibaba.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221223_043941_285765_1DB5ECA4 X-CRM114-Status: UNSURE ( 7.07 ) 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 Add branch related metrics. Signed-off-by: Jing Zhang --- .../arch/arm64/arm/neoverse-n2/metrics.json | 19 +++++++++++++++++++ 1 file changed, 19 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 817d80c..73d50f6 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 @@ -145,5 +145,24 @@ "MetricGroup": "Cache", "MetricName": "ll_cache_read_hit_rate", "ScaleUnit": "100%" + }, + { + "MetricExpr": "BR_MIS_PRED_RETIRED / INST_RETIRED * 1000", + "BriefDescription": "The rate of branches mis-predicted per kilo instructions", + "MetricGroup": "Branch", + "MetricName": "branch_mpki" + }, + { + "MetricExpr": "BR_RETIRED / INST_RETIRED * 1000", + "BriefDescription": "The rate of branches retired per kilo instructions", + "MetricGroup": "Branch", + "MetricName": "branch_pki" + }, + { + "MetricExpr": "BR_MIS_PRED_RETIRED / BR_RETIRED", + "BriefDescription": "The rate of branches mis-predited to the overall branches", + "MetricGroup": "Branch", + "MetricName": "branch_miss_pred_rate", + "ScaleUnit": "100%" } ]