{"id":2132477,"url":"http://patchwork.ozlabs.org/api/patches/2132477/?format=json","web_url":"http://patchwork.ozlabs.org/project/ubuntu-kernel/patch/292a2439342b6bde439432a91abf54c2e9e0ac1e.1756973061.git.massimiliano.pellizzer@canonical.com/","project":{"id":15,"url":"http://patchwork.ozlabs.org/api/projects/15/?format=json","name":"Ubuntu Kernel","link_name":"ubuntu-kernel","list_id":"kernel-team.lists.ubuntu.com","list_email":"kernel-team@lists.ubuntu.com","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<292a2439342b6bde439432a91abf54c2e9e0ac1e.1756973061.git.massimiliano.pellizzer@canonical.com>","list_archive_url":null,"date":"2025-09-04T08:11:29","name":"[SRU,J,04/12] perf vendor events s390: Add cache metrics for z14","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"98f6d795dbb27d79e8ca792a92e081650d3a8f0a","submitter":{"id":89057,"url":"http://patchwork.ozlabs.org/api/people/89057/?format=json","name":"Massimiliano Pellizzer","email":"massimiliano.pellizzer@canonical.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/ubuntu-kernel/patch/292a2439342b6bde439432a91abf54c2e9e0ac1e.1756973061.git.massimiliano.pellizzer@canonical.com/mbox/","series":[{"id":472179,"url":"http://patchwork.ozlabs.org/api/series/472179/?format=json","web_url":"http://patchwork.ozlabs.org/project/ubuntu-kernel/list/?series=472179","date":"2025-09-04T08:11:25","name":"CPU-MF Counters for new IBM Z hardware - perf part (LP: #2103415)","version":1,"mbox":"http://patchwork.ozlabs.org/series/472179/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2132477/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2132477/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":"legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ubuntu.com\n (client-ip=185.125.189.65; helo=lists.ubuntu.com;\n envelope-from=kernel-team-bounces@lists.ubuntu.com;\n receiver=patchwork.ozlabs.org)","Received":["from lists.ubuntu.com (lists.ubuntu.com [185.125.189.65])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4cHXKx6TfWz1xyS\n\tfor ; Thu, 4 Sep 2025 18:13:25 +1000 (AEST)","from localhost ([127.0.0.1] helo=lists.ubuntu.com)\n\tby lists.ubuntu.com with esmtp (Exim 4.86_2)\n\t(envelope-from )\n\tid 1uu55p-0002OD-Jb; Thu, 04 Sep 2025 08:13:17 +0000","from smtp-relay-internal-0.internal ([10.131.114.225]\n helo=smtp-relay-internal-0.canonical.com)\n by lists.ubuntu.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.86_2) (envelope-from )\n id 1uu55Y-0001bT-MN\n for kernel-team@lists.ubuntu.com; Thu, 04 Sep 2025 08:13:00 +0000","from mail-ej1-f69.google.com (mail-ej1-f69.google.com\n [209.85.218.69])\n (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest\n SHA256)\n (No client certificate requested)\n by smtp-relay-internal-0.canonical.com (Postfix) with ESMTPS id 4F3753F7BA\n for ; Thu, 4 Sep 2025 08:12:58 +0000 (UTC)","by mail-ej1-f69.google.com with SMTP id\n a640c23a62f3a-afcb72a8816so57014066b.0\n for ; Thu, 04 Sep 2025 01:12:58 -0700 (PDT)","from framework-canonical.lan\n (net-31-156-181-205.cust.vodafonedsl.it. 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charset=\"utf-8\"","Content-Transfer-Encoding":"base64","Errors-To":"kernel-team-bounces@lists.ubuntu.com","Sender":"\"kernel-team\" "},"content":"From: Thomas Richter \n\nBugLink: https://bugs.launchpad.net/bugs/2103415\n\nAdd metrics for s390 z14\n\n- Percentage sourced from Level 2 cache\n- Percentage sourced from Level 3 on same chip cache\n- Percentage sourced from Level 4 Local cache on same book\n- Percentage sourced from Level 4 Remote cache on different book\n- Percentage sourced from memory\n\nFor details about the formulas see this documentation:\n\n https://www.ibm.com/support/pages/system/files/inline-files/CPU%20MF%20Formulas%20including%20z16%20-%20May%202022_1.pdf\n\nOutput after:\n\n # ./perf stat -M l4rp -- find /\n .... find output deleted\n\n Performance counter stats for 'find /':\n\n 0 L1I_OFFDRAWER_L4_SOURCED_WRITES # 0.01 l4rp\n 84 L1D_OFFDRAWER_L4_SOURCED_WRITES\n 0 L1I_OFFDRAWER_L3_SOURCED_WRITES\n 71,535,353 L1I_DIR_WRITES\n 219 L1D_OFFDRAWER_L3_SOURCED_WRITES\n 16,436 L1D_OFFDRAWER_L3_SOURCED_WRITES_IV\n 0 L1I_OFFDRAWER_L3_SOURCED_WRITES_IV\n 46,343,940 L1D_DIR_WRITES\n\n 10.530805537 seconds time elapsed\n\n 0.774396000 seconds user\n 1.602714000 seconds sys\n\n #\n\nSigned-off-by: Thomas Richter \nAcked-by: Ian Rogers \nAcked-By: Sumanth Korikkar \nCc: Heiko Carstens \nCc: Sven Schnelle \nCc: Vasily Gorbik \nLink: https://lore.kernel.org/r/20230313080201.2440201-3-tmricht@linux.ibm.com\nSigned-off-by: Arnaldo Carvalho de Melo \n(cherry picked from commit add7894a25d1c572b2e472557f2b1150dbc991ee)\nSigned-off-by: Massimiliano Pellizzer \n---\n .../arch/s390/cf_z14/transaction.json | 25 +++++++++++++++++++\n 1 file changed, 25 insertions(+)","diff":"diff --git a/tools/perf/pmu-events/arch/s390/cf_z14/transaction.json b/tools/perf/pmu-events/arch/s390/cf_z14/transaction.json\nindex 86bf83b4504e..cca237bdb7ba 100644\n--- a/tools/perf/pmu-events/arch/s390/cf_z14/transaction.json\n+++ b/tools/perf/pmu-events/arch/s390/cf_z14/transaction.json\n@@ -18,5 +18,30 @@\n \"BriefDescription\": \"Level One Miss per 100 Instructions\",\n \"MetricName\": \"l1mp\",\n \"MetricExpr\": \"((L1I_DIR_WRITES + L1D_DIR_WRITES) / INSTRUCTIONS) * 100\"\n+ },\n+ {\n+ \"BriefDescription\": \"Percentage sourced from Level 2 cache\",\n+ \"MetricName\": \"l2p\",\n+ \"MetricExpr\": \"((L1D_L2D_SOURCED_WRITES + L1I_L2I_SOURCED_WRITES) / (L1I_DIR_WRITES + L1D_DIR_WRITES)) * 100\"\n+ },\n+ {\n+ \"BriefDescription\": \"Percentage sourced from Level 3 on same chip cache\",\n+ \"MetricName\": \"l3p\",\n+ \"MetricExpr\": \"((L1D_ONCHIP_L3_SOURCED_WRITES + L1D_ONCHIP_L3_SOURCED_WRITES_IV + L1I_ONCHIP_L3_SOURCED_WRITES + L1I_ONCHIP_L3_SOURCED_WRITES_IV) / (L1I_DIR_WRITES + L1D_DIR_WRITES)) * 100\"\n+ },\n+ {\n+ \"BriefDescription\": \"Percentage sourced from Level 4 Local cache on same book\",\n+ \"MetricName\": \"l4lp\",\n+ \"MetricExpr\": \"((L1D_ONCLUSTER_L3_SOURCED_WRITES + L1D_ONCLUSTER_L3_SOURCED_WRITES_IV + L1D_ONDRAWER_L4_SOURCED_WRITES + L1I_ONCLUSTER_L3_SOURCED_WRITES + L1I_ONCLUSTER_L3_SOURCED_WRITES_IV + L1I_ONDRAWER_L4_SOURCED_WRITES + L1D_OFFCLUSTER_L3_SOURCED_WRITES + L1D_OFFCLUSTER_L3_SOURCED_WRITES_IV + L1D_ONCHIP_L3_SOURCED_WRITES_RO + L1I_OFFCLUSTER_L3_SOURCED_WRITES + L1I_OFFCLUSTER_L3_SOURCED_WRITES_IV) / (L1I_DIR_WRITES + L1D_DIR_WRITES)) * 100\"\n+ },\n+ {\n+ \"BriefDescription\": \"Percentage sourced from Level 4 Remote cache on different book\",\n+ \"MetricName\": \"l4rp\",\n+ \"MetricExpr\": \"((L1D_OFFDRAWER_L3_SOURCED_WRITES + L1D_OFFDRAWER_L3_SOURCED_WRITES_IV + L1D_OFFDRAWER_L4_SOURCED_WRITES + L1I_OFFDRAWER_L3_SOURCED_WRITES + L1I_OFFDRAWER_L3_SOURCED_WRITES_IV + L1I_OFFDRAWER_L4_SOURCED_WRITES) / (L1I_DIR_WRITES + L1D_DIR_WRITES)) * 100\"\n+ },\n+ {\n+ \"BriefDescription\": \"Percentage sourced from memory\",\n+ \"MetricName\": \"memp\",\n+ \"MetricExpr\": \"((L1D_ONCHIP_MEMORY_SOURCED_WRITES + L1D_ONCLUSTER_MEMORY_SOURCED_WRITES + L1D_OFFCLUSTER_MEMORY_SOURCED_WRITES + L1D_OFFDRAWER_MEMORY_SOURCED_WRITES + L1I_ONCHIP_MEMORY_SOURCED_WRITES + L1I_ONCLUSTER_MEMORY_SOURCED_WRITES + L1I_OFFCLUSTER_MEMORY_SOURCED_WRITES + L1I_OFFDRAWER_MEMORY_SOURCED_WRITES) / (L1I_DIR_WRITES + L1D_DIR_WRITES)) * 100\"\n }\n ]\n","prefixes":["SRU","J","04/12"]}