From patchwork Mon Oct 31 11:11:33 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jing Zhang X-Patchwork-Id: 13025610 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 96561FA3740 for ; Mon, 31 Oct 2022 11:13:26 +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=uuJ7EV3VvS3+BmJuqClZHmbNAf30j47zm14HNu/36Ug=; b=dee6TEGjuqFH86 AKgY5YLKqZnFhJrufSqMpfiCXOzBL8MSXMII/2zFkT2gq5DsupJTeFB+aYe26pyUQEdUK9zjjyHe6 eDaxg2ebDIHhnCzJXI27l5duoWWdt9cNnY8WKTvCngLSKDMz+/NY70+4PGN1N9LIsE9oqEmjZEFQw GBJoFxXWcXPmOetF1WRWWEXRombT3uhXcsYHHN6Q+IhGKZqHt2XJuU+Qqdn5LnqMJvvWHCZaiUp79 2lts7/TDfChmLVT3EKG1x3tVlFc9s57uj8zLWUemaXyxupcCuZPiYllBaIreFioJB/TZ2SW9LHe+V Lf/CkU0nQBUc2BnBUINw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1opSiS-00B5Np-5A; Mon, 31 Oct 2022 11:12:28 +0000 Received: from out30-54.freemail.mail.aliyun.com ([115.124.30.54]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1opShp-00B52d-Q0 for linux-arm-kernel@lists.infradead.org; Mon, 31 Oct 2022 11:11:54 +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_---0VTVxoIw_1667214705; Received: from j66e01291.sqa.eu95.tbsite.net(mailfrom:renyu.zj@linux.alibaba.com fp:SMTPD_---0VTVxoIw_1667214705) by smtp.aliyun-inc.com; Mon, 31 Oct 2022 19:11:46 +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 5/6] perf vendor events arm64: Add PE utilization metrics for neoverse-n2 Date: Mon, 31 Oct 2022 19:11:33 +0800 Message-Id: <1667214694-89839-6-git-send-email-renyu.zj@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 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> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221031_041150_020396_BA53B719 X-CRM114-Status: UNSURE ( 7.57 ) 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 PE utilization related metrics. Signed-off-by: Jing Zhang --- .../arch/arm64/arm/neoverse-n2/metrics.json | 28 ++++++++++++++++++++++ 1 file changed, 28 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 6b5aaf7..230e93a 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 @@ -152,5 +152,33 @@ "BriefDescription": "The rate of branches mis-predited to the overall branches", "MetricGroup": "Branch", "MetricName": "branch_miss_pred_rate" + }, + { + "MetricExpr": "instructions / CPU_CYCLES", + "PublicDescription": "The average number of instructions executed for each cycle.", + "BriefDescription": "Instructions per cycle", + "MetricGroup": "PEutilization", + "MetricName": "ipc" + }, + { + "MetricExpr": "OP_RETIRED / OP_SPEC", + "PublicDescription": "Fraction of operations retired", + "BriefDescription": "Fraction of operations retired", + "MetricGroup": "PEutilization", + "MetricName": "retired_rate" + }, + { + "MetricExpr": "1 - OP_RETIRED / OP_SPEC", + "PublicDescription": "Fraction of operations wasted", + "BriefDescription": "Fraction of operations wasted", + "MetricGroup": "PEutilization", + "MetricName": "wasted_rate" + }, + { + "MetricExpr": "(1 - STALL_SLOT / (CPU_CYCLES * 5)) * OP_RETIRED / OP_SPEC", + "PublicDescription": "Utilization of CPU", + "BriefDescription": "Utilization of CPU", + "MetricGroup": "PEutilization", + "MetricName": "cpu_utilization" } ] \ No newline at end of file