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GET /api/1.1/patches/2232495/?format=api
{ "id": 2232495, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2232495/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260504154205.21394-1-atrajeev@linux.ibm.com/", "project": { "id": 2, "url": "http://patchwork.ozlabs.org/api/1.1/projects/2/?format=api", "name": "Linux PPC development", "link_name": "linuxppc-dev", "list_id": "linuxppc-dev.lists.ozlabs.org", "list_email": "linuxppc-dev@lists.ozlabs.org", "web_url": "https://github.com/linuxppc/wiki/wiki", "scm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git", "webscm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/" }, "msgid": "<20260504154205.21394-1-atrajeev@linux.ibm.com>", "date": "2026-05-04T15:42:04", "name": "[V4,1/2] tools/perf: Fix the check for parameterized field in event term", "commit_ref": null, "pull_url": null, "state": "handled-elsewhere", "archived": false, "hash": "3640932a68b018b9aef7095e174af1b058e46af0", "submitter": { "id": 90290, "url": "http://patchwork.ozlabs.org/api/1.1/people/90290/?format=api", "name": "Athira Rajeev", "email": "atrajeev@linux.ibm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260504154205.21394-1-atrajeev@linux.ibm.com/mbox/", "series": [ { "id": 502686, "url": "http://patchwork.ozlabs.org/api/1.1/series/502686/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=502686", "date": "2026-05-04T15:42:04", "name": "[V4,1/2] tools/perf: Fix the check for parameterized field in event term", "version": 4, "mbox": "http://patchwork.ozlabs.org/series/502686/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2232495/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2232495/checks/", "tags": {}, "headers": { "Return-Path": "\n <linuxppc-dev+bounces-20424-incoming=patchwork.ozlabs.org@lists.ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linuxppc-dev@lists.ozlabs.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256\n header.s=pp1 header.b=fwtRl8ql;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=2404:9400:21b9:f100::1; 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lists.ozlabs.org;\n dmarc=pass (p=none dis=none) header.from=linux.ibm.com;\n dkim=pass (2048-bit key;\n unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256\n header.s=pp1 header.b=fwtRl8ql; dkim-atps=neutral;\n spf=pass (client-ip=148.163.158.5; helo=mx0b-001b2d01.pphosted.com;\n envelope-from=atrajeev@linux.ibm.com;\n receiver=lists.ozlabs.org) smtp.mailfrom=linux.ibm.com", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc\n\t:content-transfer-encoding:date:from:message-id:mime-version\n\t:subject:to; s=pp1; bh=iU+kuad77WgAER0Xt0/0sHxheaJL/nbFKFSiMXKtY\n\tnY=; b=fwtRl8qlT+oReezR5b2x0NLGODYDBrryqhojpNE+IHGEoekz4RIndOkaA\n\tejSt72pW89MZMXsyY2CFYBT1fMcvzv9Kny1RK78ViztI9lDE43dGSYTTikdPkzxe\n\t+cIvuE5EnxDPLQ6qUEGDYRfQ8GnB+g3rmoJucAA8M+8N1rNAkYqX6gXx7/K2QB2T\n\t9G4KInwIWb55OOdqUMnNndMBwgQAaoaL32GSCWknYVc/TJTyJLbWpCH7QxJjwL5r\n\t7fttYoGoM31wXq9kUgMH1XBcxwGVfsgMBJ4juzj+oArieqPJUnfYZPsNJqs2ns90\n\tAQtK6pqczb4JuL2AuxVaVzOdcKBZg==", "From": "Athira Rajeev <atrajeev@linux.ibm.com>", "To": "acme@kernel.org, jolsa@kernel.org, adrian.hunter@intel.com,\n mpetlan@redhat.com, tmricht@linux.ibm.com, maddy@linux.ibm.com,\n irogers@google.com, namhyung@kernel.org", "Cc": "linux-perf-users@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,\n atrajeev@linux.ibm.com, hbathini@linux.vnet.ibm.com,\n Tejas.Manhas1@ibm.com, Tanushree.Shah@ibm.com, shivani@linux.ibm.com", "Subject": "[PATCH V4 1/2] tools/perf: Fix the check for parameterized field in\n event term", "Date": "Mon, 4 May 2026 21:12:04 +0530", "Message-Id": "<20260504154205.21394-1-atrajeev@linux.ibm.com>", "X-Mailer": "git-send-email 2.39.5 (Apple Git-154)", "X-Mailing-List": "linuxppc-dev@lists.ozlabs.org", "List-Id": "<linuxppc-dev.lists.ozlabs.org>", "List-Help": "<mailto:linuxppc-dev+help@lists.ozlabs.org>", "List-Owner": "<mailto:linuxppc-dev+owner@lists.ozlabs.org>", "List-Post": "<mailto:linuxppc-dev@lists.ozlabs.org>", "List-Archive": "<https://lore.kernel.org/linuxppc-dev/>,\n <https://lists.ozlabs.org/pipermail/linuxppc-dev/>", "List-Subscribe": "<mailto:linuxppc-dev+subscribe@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-digest@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-nomail@lists.ozlabs.org>", "List-Unsubscribe": "<mailto:linuxppc-dev+unsubscribe@lists.ozlabs.org>", "Precedence": "list", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-TM-AS-GCONF": "00", "X-Proofpoint-Reinject": "loops=2 maxloops=12", "X-Authority-Analysis": "v=2.4 cv=XPQAjwhE c=1 sm=1 tr=0 ts=69f8be5a cx=c_pps\n a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17\n a=KlCRr-_lrQmZq1rU:21 a=NGcC8JguVDcA:10 a=VkNPw1HP01LnGYTKEx00:22\n a=RnoormkPH1_aCDwRdu11:22 a=Y2IxJ9c9Rs8Kov3niI8_:22 a=VnNF1IyMAAAA:8\n a=g2m9RzfYH6J901Z4KtUA:9", "X-Proofpoint-ORIG-GUID": "nexF7THWWWeXZv-unOZSwrOuqnh5ojho", "X-Proofpoint-GUID": "Z74undJVeWR371vXreh52SxflY17yq4-", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwNTA0MDE1MiBTYWx0ZWRfX5tfB1+DguB4H\n uC+j6R5uZb71wmilrBx21DgF3KlGJSc7uohgDc+J5uaCy+J423PVqOnAkxHklWoYO+7SCRtUM/v\n dT3tTf4zSyRo+uFdVmeY/Mi2T3b+18kqx4TBNBCMFyR8B4P4a8+dUzBj+ss0wXhg5o0As/erp2m\n FyqESk4c0GkGMNidlvnd18H3AWNAhUc0xo2+2/D53gHsefBlbA3GyfjZOLjzPpp8/ooazkz1ij8\n 7HR1GzkT88VAm5RBnx1ZpD5Nr+z2EOI/8XZnE4fRWQUkT7esC7W/MClcsJ2nqwtqbZNJLSMmPcM\n ewYw+T5V+hmcGl0T/mgGIbG7zjvx+ZkFTKhzlw55IhIa2L+gS0vui1h9eNkMPGUcoIJwZ0+qAUE\n SIfM89tgLkLAgWsD3J/MCC45gM7BzyezGLQW33HuSDVfArkkBOrcFlxRbDSzKpDoCa1S0hwDw75\n MdU8Ko/Cu3vmW0xUZGA==", "X-Proofpoint-Virus-Version": "vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49\n definitions=2026-05-04_05,2026-04-30_02,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n bulkscore=0 lowpriorityscore=0 suspectscore=0 adultscore=0 spamscore=0\n priorityscore=1501 impostorscore=0 phishscore=0 malwarescore=0 clxscore=1015\n classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0\n reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2605040152", "X-Spam-Status": "No, score=-0.7 required=3.0 tests=DKIM_SIGNED,DKIM_VALID,\n\tRCVD_IN_DNSWL_LOW,RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,\n\tSPF_PASS autolearn=disabled version=4.0.1 OzLabs 8", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org" }, "content": "The format_alias() function in util/pmu.c has a check to\ndetect whether the event has parameterized field ( =? ).\nThe string alias->terms contains the event and if the event\nhas user configurable parameter, there will be presence of\nsub string \"=?\" in the alias->terms.\n\nSnippet of code:\n\n /* Paramemterized events have the parameters shown. */\n if (strstr(alias->terms, \"=?\")) {\n /* No parameters. */\n snprintf(buf, len, \"%.*s/%s/\", (int)pmu_name_len, pmu->name, alias->name);\n\nif \"strstr\" contains the substring, it returns a pointer\nand hence enters the above check which is not the expected\ncheck. And hence \"perf list\" doesn't have the parameterized\nfields in the result.\n\nFix this check to use:\n\nif (!strstr(alias->terms, \"=?\")) {\n\nWith this change, perf list shows the events correctly with\nthe strings showing parameters.\n\nBefore the fix:\n\n # ./perf list|grep -w PM_PAU_CYC\n hv_24x7/PM_PAU_CYC/ [Kernel PMU event]\n\nWith this fix:\n\n # ./perf list|grep -w PM_PAU_CYC\n hv_24x7/PM_PAU_CYC,chip=?/ [Kernel PMU event]\n\nSigned-off-by: Athira Rajeev <atrajeev@linux.ibm.com>\n---\nChangelog:\nv3 -> v4:\nUpdated commit message to show real example\naddressing review comment from Namhyung.\n\nv2 -> v3:\nSplit the strstr correction in a single patch\n\n tools/perf/util/pmu.c | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)", "diff": "diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c\nindex 23337d2fa281..0b8d58543f17 100644\n--- a/tools/perf/util/pmu.c\n+++ b/tools/perf/util/pmu.c\n@@ -2117,7 +2117,7 @@ static char *format_alias(char *buf, int len, const struct perf_pmu *pmu,\n \t\t\t\t\t\t skip_duplicate_pmus);\n \n \t/* Paramemterized events have the parameters shown. */\n-\tif (strstr(alias->terms, \"=?\")) {\n+\tif (!strstr(alias->terms, \"=?\")) {\n \t\t/* No parameters. */\n \t\tsnprintf(buf, len, \"%.*s/%s/\", (int)pmu_name_len, pmu->name, alias->name);\n \t\treturn buf;\n", "prefixes": [ "V4", "1/2" ] }