From nobody Mon Apr 13 14:33:15 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 7DFCCC433FE for ; Mon, 14 Nov 2022 07:42:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235945AbiKNHmn (ORCPT ); Mon, 14 Nov 2022 02:42:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37612 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235785AbiKNHml (ORCPT ); Mon, 14 Nov 2022 02:42:41 -0500 Received: from out30-43.freemail.mail.aliyun.com (out30-43.freemail.mail.aliyun.com [115.124.30.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AF252140A2; Sun, 13 Nov 2022 23:42:40 -0800 (PST) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R101e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018045168;MF=renyu.zj@linux.alibaba.com;NM=1;PH=DS;RN=19;SR=0;TI=SMTPD_---0VUjWi0h_1668411757; Received: from j66e01291.sqa.eu95.tbsite.net(mailfrom:renyu.zj@linux.alibaba.com fp:SMTPD_---0VUjWi0h_1668411757) by smtp.aliyun-inc.com; Mon, 14 Nov 2022 15:42:38 +0800 From: Jing Zhang To: linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, John Garry , Will Deacon , James Clark , Mike Leach , Leo Yan Cc: 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: [RFC PATCH v2 1/6] perf vendor events arm64: Add topdown L1 metrics for neoverse-n2 Date: Mon, 14 Nov 2022 15:41:55 +0800 Message-Id: <1668411720-3581-2-git-send-email-renyu.zj@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1668411720-3581-1-git-send-email-renyu.zj@linux.alibaba.com> References: <1668411720-3581-1-git-send-email-renyu.zj@linux.alibaba.com> 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> 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" The calculation formula of topdown L1 is from the document: https://documentation-service.arm.com/static/60250c7395978b529036da86?token= =3D However, due to the wrong count of stall_slot and stall_slot_frontend in neoverse-n2, the real stall_slot and real stall_slot_frontend need to subtract cpu_cycles, so when calculating the topdownL1 metrics, stall_slot and stall_slot_frontend are corrected. Since neoverse-n2 does not yet support topdown L2, metricgroups such as Cache, TLB, Branch, InstructionsMix, and PEutilization will be added to further analysis of performance bottlenecks in the following patches. Signed-off-by: Jing Zhang --- .../arch/arm64/arm/neoverse-n2/metrics.json | 30 ++++++++++++++++++= ++++ 1 file changed, 30 insertions(+) create mode 100644 tools/perf/pmu-events/arch/arm64/arm/neoverse-n2/metric= s.json 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 new file mode 100644 index 0000000..0048dfe --- /dev/null +++ b/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2/metrics.json @@ -0,0 +1,30 @@ +[ + { + "MetricExpr": "(stall_slot_frontend - cpu_cycles) / (5 * cpu_cycle= s)", + "PublicDescription": "Frontend bound L1 topdown metric", + "BriefDescription": "Frontend bound L1 topdown metric", + "MetricGroup": "TopDownL1", + "MetricName": "frontend_bound" + }, + { + "MetricExpr": "(1 - op_retired / op_spec) * (1 - (stall_slot - cpu= _cycles) / (5 * cpu_cycles))", + "PublicDescription": "Wasted L1 topdown metric", + "BriefDescription": "Wasted L1 topdown metric", + "MetricGroup": "TopDownL1", + "MetricName": "wasted" + }, + { + "MetricExpr": "(op_retired / op_spec) * (1 - (stall_slot - cpu_cyc= les) / (5 * cpu_cycles))", + "PublicDescription": "Retiring L1 topdown metric", + "BriefDescription": "Retiring L1 topdown metric", + "MetricGroup": "TopDownL1", + "MetricName": "retiring" + }, + { + "MetricExpr": "stall_slot_backend / (5 * cpu_cycles)", + "PublicDescription": "Backend Bound L1 topdown metric", + "BriefDescription": "Backend Bound L1 topdown metric", + "MetricGroup": "TopDownL1", + "MetricName": "backend_bound" + } +] \ No newline at end of file --=20 1.8.3.1 From nobody Mon Apr 13 14:33:15 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 7BA86C4332F for ; Mon, 14 Nov 2022 07:42:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235972AbiKNHmu (ORCPT ); Mon, 14 Nov 2022 02:42:50 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37622 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235785AbiKNHmo (ORCPT ); Mon, 14 Nov 2022 02:42:44 -0500 Received: from out30-131.freemail.mail.aliyun.com (out30-131.freemail.mail.aliyun.com [115.124.30.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E2F0C12778; Sun, 13 Nov 2022 23:42:42 -0800 (PST) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R201e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018045170;MF=renyu.zj@linux.alibaba.com;NM=1;PH=DS;RN=19;SR=0;TI=SMTPD_---0VUjWi16_1668411758; Received: from j66e01291.sqa.eu95.tbsite.net(mailfrom:renyu.zj@linux.alibaba.com fp:SMTPD_---0VUjWi16_1668411758) by smtp.aliyun-inc.com; Mon, 14 Nov 2022 15:42:39 +0800 From: Jing Zhang To: linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, John Garry , Will Deacon , James Clark , Mike Leach , Leo Yan Cc: 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: [RFC PATCH v2 2/6] perf vendor events arm64: Add TLB metrics for neoverse-n2 Date: Mon, 14 Nov 2022 15:41:56 +0800 Message-Id: <1668411720-3581-3-git-send-email-renyu.zj@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1668411720-3581-1-git-send-email-renyu.zj@linux.alibaba.com> References: <1668411720-3581-1-git-send-email-renyu.zj@linux.alibaba.com> 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> 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 TLB 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 0048dfe..324ca12 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 @@ -26,5 +26,33 @@ "BriefDescription": "Backend Bound L1 topdown metric", "MetricGroup": "TopDownL1", "MetricName": "backend_bound" + }, + { + "MetricExpr": "ITLB_WALK / INST_RETIRED * 1000", + "PublicDescription": "The rate of TLB Walks per kilo instructions = for instruction accesses", + "BriefDescription": "The rate of TLB Walks per kilo instructions f= or instruction accesses", + "MetricGroup": "TLB", + "MetricName": "itlb_mpki" + }, + { + "MetricExpr": "ITLB_WALK / L1I_TLB", + "PublicDescription": "The rate of ITLB Walks to the overall TLB lo= okups initiated from the instruction side", + "BriefDescription": "The rate of ITLB Walks to the overall TLB loo= kups", + "MetricGroup": "TLB", + "MetricName": "itlb_walk_rate" + }, + { + "MetricExpr": "DTLB_WALK / INST_RETIRED * 1000", + "PublicDescription": "The rate of TLB Walks per kilo instructions = for data accesses", + "BriefDescription": "The rate of TLB Walks per kilo instructions f= or data accesses", + "MetricGroup": "TLB", + "MetricName": "dtlb_mpki" + }, + { + "MetricExpr": "DTLB_WALK / L1D_TLB", + "PublicDescription": "The rate of DTLB Walks to the overall TLB lo= okups made by the program", + "BriefDescription": "The rate of DTLB Walks to the overall TLB loo= kups", + "MetricGroup": "TLB", + "MetricName": "dtlb_walk_rate" } ] \ No newline at end of file --=20 1.8.3.1 From nobody Mon Apr 13 14:33:15 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 547D8C433FE for ; Mon, 14 Nov 2022 07:42:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235977AbiKNHmx (ORCPT ); Mon, 14 Nov 2022 02:42:53 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37626 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235946AbiKNHmo (ORCPT ); Mon, 14 Nov 2022 02:42:44 -0500 Received: from out30-131.freemail.mail.aliyun.com (out30-131.freemail.mail.aliyun.com [115.124.30.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E7D97140A2; Sun, 13 Nov 2022 23:42:42 -0800 (PST) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R121e4;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=19;SR=0;TI=SMTPD_---0VUjWi1j_1668411759; Received: from j66e01291.sqa.eu95.tbsite.net(mailfrom:renyu.zj@linux.alibaba.com fp:SMTPD_---0VUjWi1j_1668411759) by smtp.aliyun-inc.com; Mon, 14 Nov 2022 15:42:40 +0800 From: Jing Zhang To: linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, John Garry , Will Deacon , James Clark , Mike Leach , Leo Yan Cc: 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: [RFC PATCH v2 3/6] perf vendor events arm64: Add cache metrics for neoverse-n2 Date: Mon, 14 Nov 2022 15:41:57 +0800 Message-Id: <1668411720-3581-4-git-send-email-renyu.zj@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1668411720-3581-1-git-send-email-renyu.zj@linux.alibaba.com> References: <1668411720-3581-1-git-send-email-renyu.zj@linux.alibaba.com> 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> 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 cache related metrics. Signed-off-by: Jing Zhang --- .../arch/arm64/arm/neoverse-n2/metrics.json | 77 ++++++++++++++++++= ++++ 1 file changed, 77 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 324ca12..1690ef6 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 @@ -54,5 +54,82 @@ "BriefDescription": "The rate of DTLB Walks to the overall TLB loo= kups", "MetricGroup": "TLB", "MetricName": "dtlb_walk_rate" + }, + { + "MetricExpr": "L1I_CACHE_REFILL / INST_RETIRED * 1000", + "PublicDescription": "The rate of L1 I-Cache misses per kilo instr= uctions", + "BriefDescription": "The rate of L1 I-Cache misses per kilo instru= ctions", + "MetricGroup": "Cache", + "MetricName": "l1i_cache_mpki" + }, + { + "MetricExpr": "L1I_CACHE_REFILL / L1I_CACHE", + "PublicDescription": "The rate of L1 I-Cache misses to the overall= L1 I-Cache", + "BriefDescription": "The rate of L1 I-Cache misses to the overall = L1 I-Cache", + "MetricGroup": "Cache", + "MetricName": "l1i_cache_miss_rate" + }, + { + "MetricExpr": "L1D_CACHE_REFILL / INST_RETIRED * 1000", + "PublicDescription": "The rate of L1 D-Cache misses per kilo instr= uctions", + "BriefDescription": "The rate of L1 D-Cache misses per kilo instru= ctions", + "MetricGroup": "Cache", + "MetricName": "l1d_cache_mpki" + }, + { + "MetricExpr": "L1D_CACHE_REFILL / L1D_CACHE", + "PublicDescription": "The rate of L1 D-Cache misses to the overall= L1 D-Cache", + "BriefDescription": "The rate of L1 D-Cache misses to the overall = L1 D-Cache", + "MetricGroup": "Cache", + "MetricName": "l1d_cache_miss_rate" + }, + { + "MetricExpr": "L2D_CACHE_REFILL / INST_RETIRED * 1000", + "PublicDescription": "The rate of L2 D-Cache misses per kilo instr= uctions", + "BriefDescription": "The rate of L2 D-Cache misses per kilo instru= ctions", + "MetricGroup": "Cache", + "MetricName": "l2d_cache_mpki" + }, + { + "MetricExpr": "L2D_CACHE_REFILL / L2D_CACHE", + "PublicDescription": "The rate of L2 D-Cache misses to the overall= L2 D-Cache", + "BriefDescription": "The rate of L2 D-Cache misses to the overall = L2 D-Cache", + "MetricGroup": "Cache", + "MetricName": "l2d_cache_miss_rate" + }, + { + "MetricExpr": "L3D_CACHE_REFILL / INST_RETIRED * 1000", + "PublicDescription": "The rate of L3 D-Cache misses per kilo instr= uctions", + "BriefDescription": "The rate of L3 D-Cache misses per kilo instru= ctions", + "MetricGroup": "Cache", + "MetricName": "l3d_cache_mpki" + }, + { + "MetricExpr": "L3D_CACHE_REFILL / L3D_CACHE", + "PublicDescription": "The rate of L3 D-Cache misses to the overall= L3 D-Cache", + "BriefDescription": "The rate of L3 D-Cache misses to the overall = L3 D-Cache", + "MetricGroup": "Cache", + "MetricName": "l3d_cache_miss_rate" + }, + { + "MetricExpr": "LL_CACHE_MISS_RD / INST_RETIRED * 1000", + "PublicDescription": "The rate of LL Cache read misses per kilo in= structions", + "BriefDescription": "The rate of LL Cache read misses per kilo ins= tructions", + "MetricGroup": "Cache", + "MetricName": "ll_cache_read_mpki" + }, + { + "MetricExpr": "LL_CACHE_MISS_RD / LL_CACHE_RD", + "PublicDescription": "The rate of LL Cache read misses to the over= all LL Cache read", + "BriefDescription": "The rate of LL Cache read misses to the overa= ll LL Cache read", + "MetricGroup": "Cache", + "MetricName": "ll_cache_read_miss_rate" + }, + { + "MetricExpr": "(LL_CACHE_RD - LL_CACHE_MISS_RD) / LL_CACHE_RD", + "PublicDescription": "The rate of LL Cache read hit to the overall= LL Cache read", + "BriefDescription": "The rate of LL Cache read hit to the overall = LL Cache read", + "MetricGroup": "Cache", + "MetricName": "ll_cache_read_hit_rate" } ] \ No newline at end of file --=20 1.8.3.1 From nobody Mon Apr 13 14:33:15 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 190F3C4332F for ; Mon, 14 Nov 2022 07:43:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235998AbiKNHnD (ORCPT ); Mon, 14 Nov 2022 02:43:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37692 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235967AbiKNHmr (ORCPT ); Mon, 14 Nov 2022 02:42:47 -0500 Received: from out30-44.freemail.mail.aliyun.com (out30-44.freemail.mail.aliyun.com [115.124.30.44]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1BBA5186F9; Sun, 13 Nov 2022 23:42:44 -0800 (PST) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R411e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018045168;MF=renyu.zj@linux.alibaba.com;NM=1;PH=DS;RN=19;SR=0;TI=SMTPD_---0VUjWi2J_1668411760; Received: from j66e01291.sqa.eu95.tbsite.net(mailfrom:renyu.zj@linux.alibaba.com fp:SMTPD_---0VUjWi2J_1668411760) by smtp.aliyun-inc.com; Mon, 14 Nov 2022 15:42:41 +0800 From: Jing Zhang To: linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, John Garry , Will Deacon , James Clark , Mike Leach , Leo Yan Cc: 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: [RFC PATCH v2 4/6] perf vendor events arm64: Add branch metrics for neoverse-n2 Date: Mon, 14 Nov 2022 15:41:58 +0800 Message-Id: <1668411720-3581-5-git-send-email-renyu.zj@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1668411720-3581-1-git-send-email-renyu.zj@linux.alibaba.com> References: <1668411720-3581-1-git-send-email-renyu.zj@linux.alibaba.com> 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> 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 branch related metrics. Signed-off-by: Jing Zhang --- .../arch/arm64/arm/neoverse-n2/metrics.json | 21 +++++++++++++++++= ++++ 1 file changed, 21 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 1690ef6..e960a66 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 @@ -131,5 +131,26 @@ "BriefDescription": "The rate of LL Cache read hit to the overall = LL Cache read", "MetricGroup": "Cache", "MetricName": "ll_cache_read_hit_rate" + }, + { + "MetricExpr": "BR_MIS_PRED / INST_RETIRED * 1000", + "PublicDescription": "The rate of branches mis-predicted per kilo = instructions", + "BriefDescription": "The rate of branches mis-predicted per kilo i= nstructions", + "MetricGroup": "Branch", + "MetricName": "branch_mpki" + }, + { + "MetricExpr": "(BR_PRED - BR_MIS_PRED) / INST_RETIRED * 1000", + "PublicDescription": "The rate of branches retired per kilo instru= ctions", + "BriefDescription": "The rate of branches retired per kilo instruc= tions", + "MetricGroup": "Branch", + "MetricName": "branch_pki" + }, + { + "MetricExpr": "BR_MIS_PRED / BR_PRED", + "PublicDescription": "The rate of branches mis-predited to the ove= rall branches", + "BriefDescription": "The rate of branches mis-predited to the over= all branches", + "MetricGroup": "Branch", + "MetricName": "branch_miss_pred_rate" } ] \ No newline at end of file --=20 1.8.3.1 From nobody Mon Apr 13 14:33:15 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 320A6C43219 for ; Mon, 14 Nov 2022 07:43:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235989AbiKNHnA (ORCPT ); Mon, 14 Nov 2022 02:43:00 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37684 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235965AbiKNHmr (ORCPT ); Mon, 14 Nov 2022 02:42:47 -0500 Received: from out30-131.freemail.mail.aliyun.com (out30-131.freemail.mail.aliyun.com [115.124.30.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C538418B16; Sun, 13 Nov 2022 23:42:45 -0800 (PST) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R971e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018045168;MF=renyu.zj@linux.alibaba.com;NM=1;PH=DS;RN=19;SR=0;TI=SMTPD_---0VUjWi2q_1668411761; Received: from j66e01291.sqa.eu95.tbsite.net(mailfrom:renyu.zj@linux.alibaba.com fp:SMTPD_---0VUjWi2q_1668411761) by smtp.aliyun-inc.com; Mon, 14 Nov 2022 15:42:42 +0800 From: Jing Zhang To: linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, John Garry , Will Deacon , James Clark , Mike Leach , Leo Yan Cc: 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: [RFC PATCH v2 5/6] perf vendor events arm64: Add PE utilization metrics for neoverse-n2 Date: Mon, 14 Nov 2022 15:41:59 +0800 Message-Id: <1668411720-3581-6-git-send-email-renyu.zj@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1668411720-3581-1-git-send-email-renyu.zj@linux.alibaba.com> References: <1668411720-3581-1-git-send-email-renyu.zj@linux.alibaba.com> 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> 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 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 e960a66..3c14971 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 over= all 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 --=20 1.8.3.1 From nobody Mon Apr 13 14:33:15 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 D8B11C433FE for ; Mon, 14 Nov 2022 07:43:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236009AbiKNHnI (ORCPT ); Mon, 14 Nov 2022 02:43:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38174 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235986AbiKNHm6 (ORCPT ); Mon, 14 Nov 2022 02:42:58 -0500 Received: from out30-56.freemail.mail.aliyun.com (out30-56.freemail.mail.aliyun.com [115.124.30.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E270E18B37; Sun, 13 Nov 2022 23:42:48 -0800 (PST) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R721e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018045170;MF=renyu.zj@linux.alibaba.com;NM=1;PH=DS;RN=19;SR=0;TI=SMTPD_---0VUjWi3C_1668411762; Received: from j66e01291.sqa.eu95.tbsite.net(mailfrom:renyu.zj@linux.alibaba.com fp:SMTPD_---0VUjWi3C_1668411762) by smtp.aliyun-inc.com; Mon, 14 Nov 2022 15:42:43 +0800 From: Jing Zhang To: linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, John Garry , Will Deacon , James Clark , Mike Leach , Leo Yan Cc: 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: [RFC PATCH v2 6/6] perf vendor events arm64: Add instruction mix metrics for neoverse-n2 Date: Mon, 14 Nov 2022 15:42:00 +0800 Message-Id: <1668411720-3581-7-git-send-email-renyu.zj@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1668411720-3581-1-git-send-email-renyu.zj@linux.alibaba.com> References: <1668411720-3581-1-git-send-email-renyu.zj@linux.alibaba.com> 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> 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 instruction mix related metrics. Signed-off-by: Jing Zhang --- .../arch/arm64/arm/neoverse-n2/metrics.json | 63 ++++++++++++++++++= ++++ 1 file changed, 63 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 3c14971..8ff1dfe 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 @@ -180,5 +180,68 @@ "BriefDescription": "Utilization of CPU", "MetricGroup": "PEutilization", "MetricName": "cpu_utilization" + }, + { + "MetricExpr": "LD_SPEC / INST_SPEC", + "PublicDescription": "The rate of load instructions speculatively = executed to overall instructions speclatively executed", + "BriefDescription": "The rate of load instructions speculatively e= xecuted to overall instructions speclatively executed", + "MetricGroup": "InstructionMix", + "MetricName": "load_spec_rate" + }, + { + "MetricExpr": "ST_SPEC / INST_SPEC", + "PublicDescription": "The rate of store instructions speculatively= executed to overall instructions speclatively executed", + "BriefDescription": "The rate of store instructions speculatively = executed to overall instructions speclatively executed", + "MetricGroup": "InstructionMix", + "MetricName": "store_spec_rate" + }, + { + "MetricExpr": "DP_SPEC / INST_SPEC", + "PublicDescription": "The rate of integer data-processing instruct= ions speculatively executed to overall instructions speclatively executed", + "BriefDescription": "The rate of integer data-processing instructi= ons speculatively executed to overall instructions speclatively executed", + "MetricGroup": "InstructionMix", + "MetricName": "date_process_spec_rate" + }, + { + "MetricExpr": "ASE_SPEC / INST_SPEC", + "PublicDescription": "The rate of advanced SIMD instructions specu= latively executed to overall instructions speclatively executed", + "BriefDescription": "The rate of advanced SIMD instructions specul= atively executed to overall instructions speclatively executed", + "MetricGroup": "InstructionMix", + "MetricName": "advanced_simd_spec_rate" + }, + { + "MetricExpr": "VFP_SPEC / INST_SPEC", + "PublicDescription": "The rate of floating point instructions spec= ulatively executed to overall instructions speclatively executed", + "BriefDescription": "The rate of floating point instructions specu= latively executed to overall instructions speclatively executed", + "MetricGroup": "InstructionMix", + "MetricName": "float_point_spec_rate" + }, + { + "MetricExpr": "CRYPTO_SPEC / INST_SPEC", + "PublicDescription": "The rate of crypto instructions speculativel= y executed to overall instructions speclatively executed", + "BriefDescription": "The rate of crypto instructions speculatively= executed to overall instructions speclatively executed", + "MetricGroup": "InstructionMix", + "MetricName": "crypto_spec_rate" + }, + { + "MetricExpr": "BR_IMMED_SPEC / INST_SPEC", + "PublicDescription": "The rate of branch immediate instructions sp= eculatively executed to overall instructions speclatively executed", + "BriefDescription": "The rate of branch immediate instructions spe= culatively executed to overall instructions speclatively executed", + "MetricGroup": "InstructionMix", + "MetricName": "branch_immed_spec_rate" + }, + { + "MetricExpr": "BR_RETURN_SPEC / INST_SPEC", + "PublicDescription": "The rate of procedure return instructions sp= eculatively executed to overall instructions speclatively executed", + "BriefDescription": "The rate of procedure return instructions spe= culatively executed to overall instructions speclatively executed", + "MetricGroup": "InstructionMix", + "MetricName": "branch_return_spec_rate" + }, + { + "MetricExpr": "BR_INDIRECT_SPEC / INST_SPEC", + "PublicDescription": "The rate of indirect branch instructions spe= culatively executed to overall instructions speclatively executed", + "BriefDescription": "The rate of indirect branch instructions spec= ulatively executed to overall instructions speclatively executed", + "MetricGroup": "InstructionMix", + "MetricName": "branch_indirect_spec_rate" } ] \ No newline at end of file --=20 1.8.3.1