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GET /api/patches/2132477/?format=api
{ "id": 2132477, "url": "http://patchwork.ozlabs.org/api/patches/2132477/?format=api", "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=api", "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=api", "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=api", "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": "<kernel-team-bounces@lists.ubuntu.com>", "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 <incoming@patchwork.ozlabs.org>; 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 <kernel-team-bounces@lists.ubuntu.com>)\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 <massimiliano.pellizzer@canonical.com>)\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 <kernel-team@lists.ubuntu.com>; Thu, 4 Sep 2025 08:12:58 +0000 (UTC)", "by mail-ej1-f69.google.com with SMTP id\n a640c23a62f3a-afcb72a8816so57014066b.0\n for <kernel-team@lists.ubuntu.com>; Thu, 04 Sep 2025 01:12:58 -0700 (PDT)", "from framework-canonical.lan\n (net-31-156-181-205.cust.vodafonedsl.it. [31.156.181.205])\n by smtp.gmail.com with ESMTPSA id\n a640c23a62f3a-b041565ca98sm1131743766b.86.2025.09.04.01.12.55\n for <kernel-team@lists.ubuntu.com>\n (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n Thu, 04 Sep 2025 01:12:55 -0700 (PDT)" ], "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20230601; t=1756973576; x=1757578376;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:to:from:x-gm-message-state:from:to:cc\n :subject:date:message-id:reply-to;\n bh=imCvAanhtvSZJY4UCxS6zbgwoWXB3sz2AZdh1yG2Hx4=;\n b=ZIO2u6tQgdJ149Tq0QFbyQCa3vr1z5XgTg+MZ1ePFTt0oTy4c0pIYmbDRI1q1prPgH\n qGJaa9j8HFIyfNX2K3i/H7hi7X8wkLoNT/dT3pUcs9p3/TJ2RaJ68V1DRHuk0cVVHT1P\n fqY8Rc+i6KYwkjrg9algrg3jKWzXBiwAFZuXC1h8g+KsXalPC7SY/UnorjjCCcf8JIA4\n 3Z9FFCn2WKQEQPTnfAsSgvePVr1IXnzNyH9BvwVbbo5mniB8TTF5JhjdYQQirz3miBKm\n Wfg6R647B86Obd/5egzwLdqlPcZ+zNs2N133NeTTCFaLrZL8HMCmcWhXP7ucpeogQaCc\n 3VRw==", "X-Gm-Message-State": "AOJu0YwU7+fIK7BkonItOstC+BGNenx3LiEGRIdjwnpx5om53uEjqX1k\n ktgjzOUqaUGqHHfQgvT9MxKw8PLWY5zSNxnEH2lhk2lyDlgCCePZl6tlxznYFutyE3lVMJ2MKuh\n aT+yNs+yqnVIZh9gY/8AUDHsY/2rlEWiv7O05AQw8VtrQ+6WHZ9NUOOrHkNkvPzPyu1D0otQbXN\n hCEgf7Xf8ijQHQ5A==", "X-Gm-Gg": "ASbGncv7i6TfsqXiD55trG/aVznuCPgAExyC2nLezme2pHNOTnyxwOiv1gKQM4j4mlY\n I5mvWs/qobr2rzmcohGKNYSj9R1D0K/f1t/hdyBcQ3x0TmTRLH0lvZdKoI3NYsK1ZjtCbVQcwNU\n lMDIi3q0lSGevQPsL2/wLsnAS7x7GlWtUFqh40VJGfZnIMZOxbG6RP6H4PCWxP5JA2qTfY/DZ5m\n CfzrSnXnLLewRKe5NzAkwWlwwzEt4aQbbQl51PrnotbKXkqN5HQlY25deTVHexRkwvt0VX45GlU\n rCgcI7gpKHOm9uJi+b+/+AeN7dOBDYUiwX5YCQcgTKxAVKWDOPMUP6s3nRVWNTSfpsf3LDmIODK\n bDEMVBQ8egYRNzXlvZcv/hws1GhWvu8gp46tej+/tZlAI", "X-Received": [ "by 2002:a17:907:1c0d:b0:aff:13da:f0e with SMTP id\n a640c23a62f3a-b01d8c74f97mr1744544266b.21.1756973576220;\n Thu, 04 Sep 2025 01:12:56 -0700 (PDT)", "by 2002:a17:907:1c0d:b0:aff:13da:f0e with SMTP id\n a640c23a62f3a-b01d8c74f97mr1744542266b.21.1756973575825;\n Thu, 04 Sep 2025 01:12:55 -0700 (PDT)" ], "X-Google-Smtp-Source": "\n AGHT+IFr6/8w5+UmHFs7AQFv/c39qWmgUaIU6TAp5hTY+C3yfM6kcooRSKvgcxjsVzAZvHaLBLd+2A==", "From": "Massimiliano Pellizzer <massimiliano.pellizzer@canonical.com>", "To": "kernel-team@lists.ubuntu.com", "Subject": "[SRU][J][PATCH 04/12] perf vendor events s390: Add cache metrics for\n z14", "Date": "Thu, 4 Sep 2025 10:11:29 +0200", "Message-ID": "\n <292a2439342b6bde439432a91abf54c2e9e0ac1e.1756973061.git.massimiliano.pellizzer@canonical.com>", "X-Mailer": "git-send-email 2.48.1", "In-Reply-To": "<cover.1756973061.git.massimiliano.pellizzer@canonical.com>", "References": "\n <175697071248.21594.2440727989420834998@framework-canonical.public>\n <cover.1756973061.git.massimiliano.pellizzer@canonical.com>", "MIME-Version": "1.0", "X-BeenThere": "kernel-team@lists.ubuntu.com", "X-Mailman-Version": "2.1.20", "Precedence": "list", "List-Id": "Kernel team discussions <kernel-team.lists.ubuntu.com>", "List-Unsubscribe": "<https://lists.ubuntu.com/mailman/options/kernel-team>,\n <mailto:kernel-team-request@lists.ubuntu.com?subject=unsubscribe>", "List-Archive": "<https://lists.ubuntu.com/archives/kernel-team>", "List-Post": "<mailto:kernel-team@lists.ubuntu.com>", "List-Help": "<mailto:kernel-team-request@lists.ubuntu.com?subject=help>", "List-Subscribe": "<https://lists.ubuntu.com/mailman/listinfo/kernel-team>,\n <mailto:kernel-team-request@lists.ubuntu.com?subject=subscribe>", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "base64", "Errors-To": "kernel-team-bounces@lists.ubuntu.com", "Sender": "\"kernel-team\" <kernel-team-bounces@lists.ubuntu.com>" }, "content": "From: Thomas Richter <tmricht@linux.ibm.com>\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 <tmricht@linux.ibm.com>\nAcked-by: Ian Rogers <irogers@google.com>\nAcked-By: Sumanth Korikkar <sumanthk@linux.ibm.com>\nCc: Heiko Carstens <hca@linux.ibm.com>\nCc: Sven Schnelle <svens@linux.ibm.com>\nCc: Vasily Gorbik <gor@linux.ibm.com>\nLink: https://lore.kernel.org/r/20230313080201.2440201-3-tmricht@linux.ibm.com\nSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>\n(cherry picked from commit add7894a25d1c572b2e472557f2b1150dbc991ee)\nSigned-off-by: Massimiliano Pellizzer <massimiliano.pellizzer@canonical.com>\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" ] }