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GET /api/patches/2132472/?format=api
{ "id": 2132472, "url": "http://patchwork.ozlabs.org/api/patches/2132472/?format=api", "web_url": "http://patchwork.ozlabs.org/project/ubuntu-kernel/patch/b7f64f097bf9623f6125d8c6687a8b122b27be1e.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": "<b7f64f097bf9623f6125d8c6687a8b122b27be1e.1756973061.git.massimiliano.pellizzer@canonical.com>", "list_archive_url": null, "date": "2025-09-04T08:11:30", "name": "[SRU,J,05/12] perf vendor events s390: Add cache metrics for z15", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "117332ddd0214a16a38aa3ef4c5b26f2a628210a", "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/b7f64f097bf9623f6125d8c6687a8b122b27be1e.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/2132472/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2132472/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 4cHXKf5m1vz1y1P\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 4 Sep 2025 18:13:10 +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 1uu55c-0001lY-35; Thu, 04 Sep 2025 08:13:04 +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-0001bW-EO\n for kernel-team@lists.ubuntu.com; Thu, 04 Sep 2025 08:13:00 +0000", "from mail-ej1-f72.google.com (mail-ej1-f72.google.com\n [209.85.218.72])\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 8A2F43F7BB\n for <kernel-team@lists.ubuntu.com>; Thu, 4 Sep 2025 08:12:59 +0000 (UTC)", "by mail-ej1-f72.google.com with SMTP id\n a640c23a62f3a-afcb7338319so57460166b.0\n for <kernel-team@lists.ubuntu.com>; Thu, 04 Sep 2025 01:12:59 -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 01:12:56 -0700 (PDT)" ], "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20230601; t=1756973577; x=1757578377;\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=ZV3S/xURNp16kc3oA/MrD43mh7Cd1Dh7uSty5ADvP20=;\n b=VD6sHv7U+AN42fgRC+eOu85UsgUKnFSfQzWtqgEV9LW3vH+dB5ocmKluhErbG447uc\n JGG4onbMja1pMLG8UiNX3mXfmqsU7jqbkVIaSA8X0XfqJkeaEguc64Zy98z9Lug2abFN\n agGMEdIRUWgxLrJy5l82Z9Nyjomaz2/75NZkHX21laP+TUufH5S758fB3nP+pqvBLlmP\n 7YQPSvs0HoIAW5jVQGfPjkrIi0iF4ne/Ya6shWXR4hC+Q7/9k0yxiH5JswVmaKrPaRk/\n dSB98zvHbSVGgacd6etL9n5atQQx99gWdVIOxd3hET4MtTl0Io4wq7m0sxzAO2Oz1TEU\n yy2Q==", "X-Gm-Message-State": "AOJu0Yz0Zfzvxj0LuEkfDd6j7zH7BLbYeryTI4Jyu/+wq5s/coUr/e/p\n wvGtB2fo/6rv/RV9lwDhFx4ZDqreBuGQzvdXZAVj69sZqjF20MzDE6N/q+5H/jSI12tPKjKq9Fv\n NwZ32guHk73kvcFmMKP4GvyheEZl3WD3BzWWMZ326coGXd5JBraJ0cD9d97uPzY1ZWbW5Gjrnt/\n J4URIVvEMIERsfpw==", "X-Gm-Gg": "ASbGnctAg5+a+qG11gkFCpq9E2+bczFWq+RA67Q4N7/uvqW6OxbzeXjs4YZ5dL+/DeD\n wXMVz/8St3LMb18M551pzwo5KaSEwiMbTC7nrWj82qngqW2AXbdgLmosEMexhElVmiO4vqPhPB8\n DZbpauSHcC7zxZSfWqTCCVnAaCsKJrhaX2n/Ax8o0VHq2hFclx5u87EDfgyeUYU+XBLt35UeKfB\n 50XpsX1C5P1l6Nr/WgLoburuMwmPPRpVROpwUP7vXyJw/MkS2SdLcftVHBaNbuNk4QL77k+Ebh9\n cHVpLzh7h31uVndxCWNDKmkZcxv9CWZ1+I+KVQnf1sT49tj0FQU2n2HNIMx4jKkUn2cs/9v7Gwg\n 4ZW91b1Y6h2oe9S8Pwt1RAIgN4EG4k94dfB0lKYBz2pZX", "X-Received": [ "by 2002:a17:907:268b:b0:afc:b38f:5d72 with SMTP id\n a640c23a62f3a-b01d9732b08mr1929218566b.38.1756973577113;\n Thu, 04 Sep 2025 01:12:57 -0700 (PDT)", "by 2002:a17:907:268b:b0:afc:b38f:5d72 with SMTP id\n a640c23a62f3a-b01d9732b08mr1929215166b.38.1756973576648;\n Thu, 04 Sep 2025 01:12:56 -0700 (PDT)" ], "X-Google-Smtp-Source": "\n AGHT+IHv/SssSeSgfX+YRHXjiYRQH7rDkysOpDWbbUPMaKfQJSohvLiu57s2NRuYhYPfZ5sAb3xdQw==", "From": "Massimiliano Pellizzer <massimiliano.pellizzer@canonical.com>", "To": "kernel-team@lists.ubuntu.com", "Subject": "[SRU][J][PATCH 05/12] perf vendor events s390: Add cache metrics for\n z15", "Date": "Thu, 4 Sep 2025 10:11:30 +0200", "Message-ID": "\n <b7f64f097bf9623f6125d8c6687a8b122b27be1e.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 z15\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\nOutpuf after:\n # ./perf stat -M l4rp -- find /\n .... find output deleted\n\n Performance counter stats for 'find /':\n\n 5 L1I_OFFDRAWER_L4_SOURCED_WRITES # 0.01 l4rp\n 187 L1D_OFFDRAWER_L4_SOURCED_WRITES\n 0 L1I_OFFDRAWER_L3_SOURCED_WRITES\n 231,333,165 L1I_DIR_WRITES\n 3,303 L1D_OFFDRAWER_L3_SOURCED_WRITES\n 47,461 L1D_OFFDRAWER_L3_SOURCED_WRITES_IV\n 0 L1I_OFFDRAWER_L3_SOURCED_WRITES_IV\n 126,706,244 L1D_DIR_WRITES\n\n 27.870355461 seconds time elapsed\n\n 0.521562000 seconds user\n 12.494503000 seconds sys\n #\n\nSigned-off-by: Thomas Richter <tmricht@linux.ibm.com>\nAcked-By: Sumanth Korikkar <sumanthk@linux.ibm.com>\nAcked-by: Ian Rogers <irogers@google.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 bdecfecac8aba6ca5e2fde8f09b4fba1d1326997)\nSigned-off-by: Massimiliano Pellizzer <massimiliano.pellizzer@canonical.com>\n---\n .../arch/s390/cf_z15/transaction.json | 25 +++++++++++++++++++\n 1 file changed, 25 insertions(+)", "diff": "diff --git a/tools/perf/pmu-events/arch/s390/cf_z15/transaction.json b/tools/perf/pmu-events/arch/s390/cf_z15/transaction.json\nindex 86bf83b4504e..cca237bdb7ba 100644\n--- a/tools/perf/pmu-events/arch/s390/cf_z15/transaction.json\n+++ b/tools/perf/pmu-events/arch/s390/cf_z15/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", "05/12" ] }