From nobody Wed Dec 17 14:21:50 2025 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 CE06AEE49AC for ; Mon, 21 Aug 2023 08:36:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234123AbjHUIgw (ORCPT ); Mon, 21 Aug 2023 04:36:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42568 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234077AbjHUIgn (ORCPT ); Mon, 21 Aug 2023 04:36:43 -0400 Received: from out30-111.freemail.mail.aliyun.com (out30-111.freemail.mail.aliyun.com [115.124.30.111]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4A127DB; Mon, 21 Aug 2023 01:36:38 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R141e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046049;MF=renyu.zj@linux.alibaba.com;NM=1;PH=DS;RN=21;SR=0;TI=SMTPD_---0VqEq8EK_1692606994; Received: from srmbuffer011165236051.sqa.net(mailfrom:renyu.zj@linux.alibaba.com fp:SMTPD_---0VqEq8EK_1692606994) by smtp.aliyun-inc.com; Mon, 21 Aug 2023 16:36:34 +0800 From: Jing Zhang To: John Garry , Ian Rogers Cc: Will Deacon , James Clark , Arnaldo Carvalho de Melo , Mark Rutland , Mike Leach , Leo Yan , Namhyung Kim , Peter Zijlstra , Ingo Molnar , Alexander Shishkin , Jiri Olsa , 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 v7 8/8] perf vendor events: Add JSON metrics for Arm CMN Date: Mon, 21 Aug 2023 16:36:17 +0800 Message-Id: <1692606977-92009-9-git-send-email-renyu.zj@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1692606977-92009-1-git-send-email-renyu.zj@linux.alibaba.com> References: <1692606977-92009-1-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 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 Reviewed-by: John Garry --- .../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/too= ls/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 sn= oop 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 indicate= s 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 b= ridge 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 R= N-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*" + } +] --=20 1.8.3.1