From nobody Wed Apr 8 22:48:32 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 8F455FA3740 for ; Mon, 31 Oct 2022 11:11:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230287AbiJaLLw (ORCPT ); Mon, 31 Oct 2022 07:11:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53440 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230134AbiJaLLq (ORCPT ); Mon, 31 Oct 2022 07:11:46 -0400 Received: from out30-54.freemail.mail.aliyun.com (out30-54.freemail.mail.aliyun.com [115.124.30.54]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CDF66B847; Mon, 31 Oct 2022 04:11:44 -0700 (PDT) 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=ay29a033018045176;MF=renyu.zj@linux.alibaba.com;NM=1;PH=DS;RN=18;SR=0;TI=SMTPD_---0VTVxoHU_1667214701; Received: from j66e01291.sqa.eu95.tbsite.net(mailfrom:renyu.zj@linux.alibaba.com fp:SMTPD_---0VTVxoHU_1667214701) by smtp.aliyun-inc.com; Mon, 31 Oct 2022 19:11:42 +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 1/6] perf vendor events arm64: Add topdown L1 metrics for neoverse-n2 Date: Mon, 31 Oct 2022 19:11:29 +0800 Message-Id: <1667214694-89839-2-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> 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 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..b6b3b19 --- /dev/null +++ b/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2/metrics.json @@ -0,0 +1,30 @@ +[ + { + "MetricExpr": "stall_slot_frontend / (5 * cpu_cycles)", + "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 / (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 / (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 Wed Apr 8 22:48:32 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 A1AA3FA3744 for ; Mon, 31 Oct 2022 11:11:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230231AbiJaLL4 (ORCPT ); Mon, 31 Oct 2022 07:11:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53446 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230174AbiJaLLr (ORCPT ); Mon, 31 Oct 2022 07:11:47 -0400 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 E9AEBC75B; Mon, 31 Oct 2022 04:11:45 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R111e4;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=18;SR=0;TI=SMTPD_---0VTVxoHo_1667214702; Received: from j66e01291.sqa.eu95.tbsite.net(mailfrom:renyu.zj@linux.alibaba.com fp:SMTPD_---0VTVxoHo_1667214702) by smtp.aliyun-inc.com; Mon, 31 Oct 2022 19:11:43 +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 2/6] perf vendor events arm64: Add TLB metrics for neoverse-n2 Date: Mon, 31 Oct 2022 19:11:30 +0800 Message-Id: <1667214694-89839-3-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> 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 b6b3b19..066d905 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 Wed Apr 8 22:48:32 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 242ACFA3740 for ; Mon, 31 Oct 2022 11:12:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230339AbiJaLL7 (ORCPT ); Mon, 31 Oct 2022 07:11:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53454 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230202AbiJaLLs (ORCPT ); Mon, 31 Oct 2022 07:11:48 -0400 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 E02ACB847; Mon, 31 Oct 2022 04:11:46 -0700 (PDT) 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=18;SR=0;TI=SMTPD_---0VTVxoIB_1667214703; Received: from j66e01291.sqa.eu95.tbsite.net(mailfrom:renyu.zj@linux.alibaba.com fp:SMTPD_---0VTVxoIB_1667214703) by smtp.aliyun-inc.com; Mon, 31 Oct 2022 19:11:44 +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 3/6] perf vendor events arm64: Add cache metrics for neoverse-n2 Date: Mon, 31 Oct 2022 19:11:31 +0800 Message-Id: <1667214694-89839-4-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> 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 066d905..2dc6d9e 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 Wed Apr 8 22:48:32 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 4FE96C38A02 for ; Mon, 31 Oct 2022 11:12:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230353AbiJaLMD (ORCPT ); Mon, 31 Oct 2022 07:12:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53462 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230205AbiJaLLt (ORCPT ); Mon, 31 Oct 2022 07:11:49 -0400 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 B1705BE12; Mon, 31 Oct 2022 04:11:47 -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=ay29a033018045168;MF=renyu.zj@linux.alibaba.com;NM=1;PH=DS;RN=18;SR=0;TI=SMTPD_---0VTVxoIV_1667214704; Received: from j66e01291.sqa.eu95.tbsite.net(mailfrom:renyu.zj@linux.alibaba.com fp:SMTPD_---0VTVxoIV_1667214704) by smtp.aliyun-inc.com; Mon, 31 Oct 2022 19:11:45 +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 4/6] perf vendor events arm64: Add branch metrics for neoverse-n2 Date: Mon, 31 Oct 2022 19:11:32 +0800 Message-Id: <1667214694-89839-5-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> 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 2dc6d9e..6b5aaf7 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 Wed Apr 8 22:48:32 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 62CE7C38A02 for ; Mon, 31 Oct 2022 11:12:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230428AbiJaLMK (ORCPT ); Mon, 31 Oct 2022 07:12:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53492 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230236AbiJaLLu (ORCPT ); Mon, 31 Oct 2022 07:11:50 -0400 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 A6848D131; Mon, 31 Oct 2022 04:11:49 -0700 (PDT) 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> 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 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 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 Wed Apr 8 22:48:32 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 914DEFA3740 for ; Mon, 31 Oct 2022 11:12:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230368AbiJaLMF (ORCPT ); Mon, 31 Oct 2022 07:12:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53504 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230248AbiJaLLw (ORCPT ); Mon, 31 Oct 2022 07:11:52 -0400 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 AF691D2FC; Mon, 31 Oct 2022 04:11:50 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R591e4;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_---0VTVxoJQ_1667214706; Received: from j66e01291.sqa.eu95.tbsite.net(mailfrom:renyu.zj@linux.alibaba.com fp:SMTPD_---0VTVxoJQ_1667214706) by smtp.aliyun-inc.com; Mon, 31 Oct 2022 19:11:47 +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 6/6] perf vendor events arm64: Add instruction mix metrics for neoverse-n2 Date: Mon, 31 Oct 2022 19:11:34 +0800 Message-Id: <1667214694-89839-7-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> 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 230e93a..2a3e50d 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