From patchwork Sun Jul 23 08:21:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jing Zhang X-Patchwork-Id: 13323111 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 8AF3CC001DC for ; Sun, 23 Jul 2023 08:23:06 +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=h4CK6dv4Qr110/dNDkf1KujT62cYXcJTwxSd2Mpehxs=; b=lZ6DSyTrESvk3E 62lB5m8AL9Azxakkns0fQF8RtmOUZPN/ZYUmCct9nFrhQ77oNGgPca9omfVCzlh6G3oJBEjjQQFxk dRPibCg+9b2eVFDET0QPwvAsjgaKLQCBspmhxKLAuvYIAQx26aZ76iKGOs0biID/NPi6kaaHLob35 g41nKVSzznPXDz5Oj2MCFk06Q8HLpYqWOajQvix1qvjaxhl8HJhD4eFep9O5qQ+3huNy0RhHDwxnO H8hnCpdJIlZd0XRVJVngXg5r8dnMmAgYvSxp8BW09NQofws4uj5jJ3DAjs8UnS3f5+9xAAsUT8/qH uy9ydBhkNskx0OUL4ufw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qNUMg-000a6x-21; Sun, 23 Jul 2023 08:22:54 +0000 Received: from out30-113.freemail.mail.aliyun.com ([115.124.30.113]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qNUMO-000a0K-0B for linux-arm-kernel@lists.infradead.org; Sun, 23 Jul 2023 08:22:40 +0000 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R751e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046051;MF=renyu.zj@linux.alibaba.com;NM=1;PH=DS;RN=20;SR=0;TI=SMTPD_---0Vnzn8WJ_1690100545; Received: from srmbuffer011165236051.sqa.net(mailfrom:renyu.zj@linux.alibaba.com fp:SMTPD_---0Vnzn8WJ_1690100545) by smtp.aliyun-inc.com; Sun, 23 Jul 2023 16:22:26 +0800 From: Jing Zhang To: John Garry , Ian Rogers Cc: Will Deacon , Mark Rutland , Robin Murphy , James Clark , Mike Leach , Leo Yan , Ilkka Koskinen , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Adrian Hunter , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-doc@vger.kernel.org, Zhuo Song , Jing Zhang , Shuai Xue Subject: [PATCH v4 4/4] perf vendor events: Add metrics for Arm CMN Date: Sun, 23 Jul 2023 16:21:53 +0800 Message-Id: <1690100513-61165-5-git-send-email-renyu.zj@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1690100513-61165-1-git-send-email-renyu.zj@linux.alibaba.com> References: <1690100513-61165-1-git-send-email-renyu.zj@linux.alibaba.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230723_012236_971629_270F40A4 X-CRM114-Status: GOOD ( 12.19 ) 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 JSON metrics for Arm CMN. Currently just add part of CMN PMU metrics which are general and compatible for any SoC with CMN-ANY. Signed-off-by: Jing Zhang --- .../pmu-events/arch/arm64/arm/cmn/sys/metric.json | 74 ++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cmn/sys/metric.json diff --git a/tools/perf/pmu-events/arch/arm64/arm/cmn/sys/metric.json b/tools/perf/pmu-events/arch/arm64/arm/cmn/sys/metric.json new file mode 100644 index 0000000..64db534 --- /dev/null +++ b/tools/perf/pmu-events/arch/arm64/arm/cmn/sys/metric.json @@ -0,0 +1,74 @@ +[ + { + "MetricName": "slc_miss_rate", + "BriefDescription": "The system level cache miss rate.", + "MetricGroup": "cmn", + "MetricExpr": "hnf_cache_miss / hnf_slc_sf_cache_access", + "ScaleUnit": "100%", + "Unit": "arm_cmn", + "Compat": "434*;436*;43c*;43a*" + }, + { + "MetricName": "hnf_message_retry_rate", + "BriefDescription": "HN-F message retry rate indicates whether a lack of credits is causing the bottlenecks.", + "MetricGroup": "cmn", + "MetricExpr": "hnf_pocq_retry / hnf_pocq_reqs_recvd", + "ScaleUnit": "100%", + "Unit": "arm_cmn", + "Compat": "434*;436*;43c*;43a*" + }, + { + "MetricName": "sf_hit_rate", + "BriefDescription": "Snoop filter hit rate can be used to measure the snoop filter efficiency.", + "MetricGroup": "cmn", + "MetricExpr": "hnf_sf_hit / hnf_slc_sf_cache_access", + "ScaleUnit": "100%", + "Unit": "arm_cmn", + "Compat": "434*;436*;43c*;43a*" + }, + { + "MetricName": "mc_message_retry_rate", + "BriefDescription": "The memory controller request retries rate indicates whether the memory controller is the bottleneck.", + "MetricGroup": "cmn", + "MetricExpr": "hnf_mc_retries / hnf_mc_reqs", + "ScaleUnit": "100%", + "Unit": "arm_cmn", + "Compat": "434*;436*;43c*;43a*" + }, + { + "MetricName": "rni_actual_read_bandwidth.all", + "BriefDescription": "This event measure the actual bandwidth that RN-I bridge sends to the interconnect.", + "MetricGroup": "cmn", + "MetricExpr": "rnid_rxdat_flits * 32 / 1e6 / duration_time", + "ScaleUnit": "1MB/s", + "Unit": "arm_cmn", + "Compat": "434*;436*;43c*;43a*" + }, + { + "MetricName": "rni_actual_write_bandwidth.all", + "BriefDescription": "This event measures the actual write bandwidth at RN-I bridges.", + "MetricGroup": "cmn", + "MetricExpr": "rnid_txdat_flits * 32 / 1e6 / duration_time", + "ScaleUnit": "1MB/s", + "Unit": "arm_cmn", + "Compat": "434*;436*;43c*;43a*" + }, + { + "MetricName": "rni_retry_rate", + "BriefDescription": "RN-I bridge retry rate indicates whether the memory controller is the bottleneck.", + "MetricGroup": "cmn", + "MetricExpr": "rnid_txreq_flits_retried / rnid_txreq_flits_total", + "ScaleUnit": "100%", + "Unit": "arm_cmn", + "Compat": "434*;436*;43c*;43a*" + }, + { + "MetricName": "sbsx_actual_write_bandwidth.all", + "BriefDescription": "sbsx actual write bandwidth.", + "MetricGroup": "cmn", + "MetricExpr": "sbsx_txdat_flitv * 32 / 1e6 / duration_time", + "ScaleUnit": "1MB/s", + "Unit": "arm_cmn", + "Compat": "434*;436*;43c*;43a*" + } +]