From nobody Mon Feb 9 23:04:26 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 D70D4C761AF for ; Mon, 27 Mar 2023 02:46:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232027AbjC0Cqh (ORCPT ); Sun, 26 Mar 2023 22:46:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57490 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231959AbjC0Cqa (ORCPT ); Sun, 26 Mar 2023 22:46:30 -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 6F1F244B1; Sun, 26 Mar 2023 19:46:28 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R261e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046060;MF=renyu.zj@linux.alibaba.com;NM=1;PH=DS;RN=17;SR=0;TI=SMTPD_---0VeeqFPn_1679885184; Received: from srmbuffer011165236051.sqa.net(mailfrom:renyu.zj@linux.alibaba.com fp:SMTPD_---0VeeqFPn_1679885184) by smtp.aliyun-inc.com; Mon, 27 Mar 2023 10:46:25 +0800 From: Jing Zhang To: John Garry , Ian Rogers , Will Deacon , James Clark , Mike Leach , Leo Yan , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Adrian Hunter Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, Shuai Xue , Zhuo Song , Jing Zhang Subject: [PATCH RFC 2/4] perf vendor events: Add JSON metrics for cmn700 Date: Mon, 27 Mar 2023 10:46:10 +0800 Message-Id: <1679885172-95021-3-git-send-email-renyu.zj@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1679885172-95021-1-git-send-email-renyu.zj@linux.alibaba.com> References: <1679885172-95021-1-git-send-email-renyu.zj@linux.alibaba.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add JSON metrics for cmn700. Currently just add part of cmn700 PMU events and metrics which are general and compatible for any SoC. Signed-off-by: Jing Zhang --- .../pmu-events/arch/arm64/arm/cmn700/sys/cmn.json | 188 +++++++++++++++++= ++++ .../arch/arm64/arm/cmn700/sys/metrics.json | 74 ++++++++ tools/perf/pmu-events/jevents.py | 1 + 3 files changed, 263 insertions(+) create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cmn700/sys/cmn.json create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cmn700/sys/metrics= .json diff --git a/tools/perf/pmu-events/arch/arm64/arm/cmn700/sys/cmn.json b/too= ls/perf/pmu-events/arch/arm64/arm/cmn700/sys/cmn.json new file mode 100644 index 0000000..a060d1d --- /dev/null +++ b/tools/perf/pmu-events/arch/arm64/arm/cmn700/sys/cmn.json @@ -0,0 +1,188 @@ +[ + { + "EventName": "hnf_cache_miss", + "BriefDescription": "Counts total cache misses in first lookup result (h= igh priority)", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "hnf_slc_sf_cache_access", + "BriefDescription": "Counts number of cache accesses in first access (hi= gh priority)", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "hnf_cache_fill", + "BriefDescription": "Counts total allocations in HN SLC (all cache line = allocations to SLC)", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "hnf_pocq_retry", + "BriefDescription": "Counts number of retried requests", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "hnf_pocq_reqs_recvd", + "BriefDescription": "Counts number of requests that HN receives", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "hnf_sf_hit", + "BriefDescription": "Counts number of SF hits", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "hnf_sf_evictions", + "BriefDescription": "Counts number of SF eviction cache invalidations in= itiated", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "hnf_dir_snoops_sent", + "BriefDescription": "Counts number of directed snoops sent (not includin= g SF back invalidation)", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "hnf_brd_snoops_sent", + "BriefDescription": "Counts number of multicast snoops sent (not includi= ng SF back invalidation)", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "hnf_mc_retries", + "BriefDescription": "Counts number of retried transactions by the MC", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "hnf_mc_reqs", + "BriefDescription": "Counts number of requests that are sent to MC", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "hnf_qos_hh_retry", + "BriefDescription": "Counts number of times a HighHigh priority request = is protocolretried at the HN=E2=80=91F", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "rnid_s0_rdata_beats", + "BriefDescription": "Number of RData beats (RVALID and RREADY) dispatche= d on port 0. This event measures the read bandwidth, including CMO response= s.", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "rnid_s1_rdata_beats", + "BriefDescription": "Number of RData beats (RVALID and RREADY) dispatche= d on port 1. This event measures the read bandwidth, including CMO response= s.", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "rnid_s2_rdata_beats", + "BriefDescription": "Number of RData beats (RVALID and RREADY) dispatche= d on port 2. This event measures the read bandwidth, including CMO response= s.", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "rnid_rxdat_flits", + "BriefDescription": "Number of RXDAT flits received. This event measures= the true read data bandwidth, excluding CMOs.", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "rnid_txdat_flits", + "BriefDescription": "Number of TXDAT flits dispatched. This event measur= es the write bandwidth.", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "rnid_txreq_flits_total", + "BriefDescription": "Number of TXREQ flits dispatched. This event measur= es the total request bandwidth.", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "rnid_txreq_flits_retried", + "BriefDescription": "Number of retried TXREQ flits dispatched. This even= t measures the retry rate.", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "sbsx_txdat_flitv", + "BriefDescription": "Number of TXDAT flits dispatched from XP to SBSX. T= his event is a measure of the write bandwidth.", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "sbsx_txrsp_retryack", + "BriefDescription": "Number of RXREQ flits dispatched. This event is a m= easure of the retry rate.", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "sbsx_arvalid_no_arready", + "BriefDescription": "Number of cycles the SBSX bridge is stalled because= of backpressure on AR channel.", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "sbsx_awvalid_no_awready", + "BriefDescription": "Number of cycles the SBSX bridge is stalled because= of backpressure on AW channel.", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "sbsx_wvalid_no_wready", + "BriefDescription": "Number of cycles the SBSX bridge is stalled because= of backpressure on W channel.", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "hni_txdat_stall", + "BriefDescription": "TXDAT valid but no link credit available.", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "hni_txrsp_retryack", + "BriefDescription": "Number of RXREQ flits dispatched. This event is a m= easure of the retry rate.", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "hni_arvalid_no_arready", + "BriefDescription": "Number of cycles the HN-I bridge is stalled because= of backpressure on AR channel.", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "hni_awvalid_no_awready", + "BriefDescription": "Number of cycles the HN-I bridge is stalled because= of backpressure on AW channel.", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "hni_wvalid_no_wready", + "BriefDescription": "Number of cycles the HN-I bridge is stalled because= of backpressure on W channel.", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "hni_arready_no_arvalid", + "BriefDescription": "Number of cycles the AR channel is waiting for new = requests from HN-I bridge.", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "EventName": "hni_awready_no_awvalid", + "BriefDescription": "Number of cycles the AW channel is waiting for new = requests from HN-I bridge.", + "Unit": "cmn700", + "Compat": "CMN700" + } +] diff --git a/tools/perf/pmu-events/arch/arm64/arm/cmn700/sys/metrics.json b= /tools/perf/pmu-events/arch/arm64/arm/cmn700/sys/metrics.json new file mode 100644 index 0000000..430567b --- /dev/null +++ b/tools/perf/pmu-events/arch/arm64/arm/cmn700/sys/metrics.json @@ -0,0 +1,74 @@ +[ + { + "MetricName": "slc_miss_rate", + "BriefDescription": "The system level cache miss rate include.", + "MetricGroup": "cmn700", + "MetricExpr": "hnf_cache_miss / hnf_slc_sf_cache_access", + "ScaleUnit": "100%", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "MetricName": "hnf_message_retry_rate", + "BriefDescription": "HN-F message retry rate indicates whether a lack of= credits is causing the bottlenecks.", + "MetricGroup": "cmn700", + "MetricExpr": "hnf_pocq_retry / hnf_pocq_reqs_recvd", + "ScaleUnit": "100%", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "MetricName": "sf_hit_rate", + "BriefDescription": "Snoop filter hit rate can be used to measure the Sn= oop Filter efficiency.", + "MetricGroup": "cmn700", + "MetricExpr": "hnf_sf_hit / hnf_slc_sf_cache_access", + "ScaleUnit": "100%", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "MetricName": "mc_message_retry_rate", + "BriefDescription": "The memory controller request retries rate indicate= s whether the memory controller is the bottleneck.", + "MetricGroup": "cmn700", + "MetricExpr": "hnf_mc_retries / hnf_mc_reqs", + "ScaleUnit": "100%", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "MetricName": "rni_actual_read_bandwidth.all", + "BriefDescription": "This event measure the actual bandwidth(MB/sec) tha= t RN-I bridge sends to the interconnect.", + "MetricGroup": "cmn700", + "MetricExpr": "rnid_rxdat_flits * 32 / 1e6 / duration_time", + "ScaleUnit": "1MB/s", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "MetricName": "rni_actual_write_bandwidth.all", + "BriefDescription": "This event measures the actual write bandwidth(MB/s= ec) at RN-I bridges.", + "MetricGroup": "cmn700", + "MetricExpr": "rnid_txdat_flits * 32 / 1e6 / duration_time", + "ScaleUnit": "1MB/s", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "MetricName": "rni_retry_rate", + "BriefDescription": "RN-I bridge retry rate indicates whether the memory= controller is the bottleneck.", + "MetricGroup": "cmn700", + "MetricExpr": "rnid_txreq_flits_retried / rnid_txreq_flits_total", + "ScaleUnit": "100%", + "Unit": "cmn700", + "Compat": "CMN700" + }, + { + "MetricName": "sbsx_actual_write_bandwidth.all", + "BriefDescription": "sbsx actual write bandwidth(MB/sec).", + "MetricGroup": "cmn700", + "MetricExpr": "sbsx_txdat_flitv * 32 / 1e6 / duration_time", + "ScaleUnit": "1MB/s", + "Unit": "cmn700", + "Compat": "CMN700" + } +] diff --git a/tools/perf/pmu-events/jevents.py b/tools/perf/pmu-events/jeven= ts.py index 2bcd07c..20ed492 100755 --- a/tools/perf/pmu-events/jevents.py +++ b/tools/perf/pmu-events/jevents.py @@ -256,6 +256,7 @@ class JsonEvent: 'DFPMC': 'amd_df', 'cpu_core': 'cpu_core', 'cpu_atom': 'cpu_atom', + 'cmn700': 'cmn700', } return table[unit] if unit in table else f'uncore_{unit.lower()}' =20 --=20 1.8.3.1