From patchwork Wed Nov 24 02:46:00 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Athira Rajeev X-Patchwork-Id: 1558863 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=gFxW5UP2; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee1:b9f1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by bilbo.ozlabs.org (Postfix) with ESMTPS id 4HzQPp1zGvz9sRN for ; Wed, 24 Nov 2021 13:46:38 +1100 (AEDT) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4HzQPm2nPMz305j for ; Wed, 24 Nov 2021 13:46:36 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=gFxW5UP2; dkim-atps=neutral X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=linux.vnet.ibm.com (client-ip=148.163.156.1; helo=mx0a-001b2d01.pphosted.com; envelope-from=atrajeev@linux.vnet.ibm.com; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=gFxW5UP2; dkim-atps=neutral Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4HzQPT3gG4z2yNq for ; Wed, 24 Nov 2021 13:46:20 +1100 (AEDT) Received: from pps.filterd (m0098409.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 1AO2HT8w016109; Wed, 24 Nov 2021 02:46:12 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding; s=pp1; bh=swtTjTYU4F7FKSVNga46f4iEucdRPoQ2Ky5p6tnYHkU=; b=gFxW5UP27MjN8u0MwkkwEADDVPdJnC7oFCRqSCzwxB0WWfMvJJMD4QCx7S/CP/82IaeO rf2XYcW3lwsAQVkdgeH/+xW3hx/RpC4jP1hMipD2q26DhcY0W0jSk/H6r1q5DD9If8u8 58vMMcLizUAtfg8XLb4vZzNiEUqypVKkVRImkFuxS9KI3jdRc5cfFrUccZLqKvEW5wUn tjpdlZXava/vMJgBj2HmNvv3ynveNMvyrGYlazBlDzCFbraPU2++XNGwZBCTLou9Gnzd 3CVFuk7R7k9/BJ5RC6X9ThFOThLW2I4VpmCOSt8ot1JjSt1G1u2TawkBJU25ptXmXvVz 0w== Received: from ppma04ams.nl.ibm.com (63.31.33a9.ip4.static.sl-reverse.com [169.51.49.99]) by mx0a-001b2d01.pphosted.com with ESMTP id 3chcfurbfh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 24 Nov 2021 02:46:12 +0000 Received: from pps.filterd (ppma04ams.nl.ibm.com [127.0.0.1]) by ppma04ams.nl.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 1AO2bA5B027149; Wed, 24 Nov 2021 02:46:10 GMT Received: from b06cxnps3074.portsmouth.uk.ibm.com (d06relay09.portsmouth.uk.ibm.com [9.149.109.194]) by ppma04ams.nl.ibm.com with ESMTP id 3cernavty6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 24 Nov 2021 02:46:10 +0000 Received: from d06av26.portsmouth.uk.ibm.com (d06av26.portsmouth.uk.ibm.com [9.149.105.62]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 1AO2k7ck25821460 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 24 Nov 2021 02:46:07 GMT Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2A2B2AE04D; Wed, 24 Nov 2021 02:46:07 +0000 (GMT) Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7C53EAE056; Wed, 24 Nov 2021 02:46:04 +0000 (GMT) Received: from localhost.localdomain (unknown [9.163.28.45]) by d06av26.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 24 Nov 2021 02:46:04 +0000 (GMT) From: Athira Rajeev To: mpe@ellerman.id.au Subject: [PATCH] powerpc/perf: Fix task context setting for trace imc Date: Wed, 24 Nov 2021 08:16:00 +0530 Message-Id: <20211124024600.18509-1-atrajeev@linux.vnet.ibm.com> X-Mailer: git-send-email 2.33.0 MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: gJ1aMFCQAWUwk_s4uyAa3457MCznJ6iJ X-Proofpoint-ORIG-GUID: gJ1aMFCQAWUwk_s4uyAa3457MCznJ6iJ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.0.607.475 definitions=2021-11-23_08,2021-11-23_01,2020-04-07_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 clxscore=1015 lowpriorityscore=0 adultscore=0 impostorscore=0 priorityscore=1501 bulkscore=0 mlxlogscore=999 phishscore=0 mlxscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2111240012 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kjain@linux.ibm.com, maddy@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org, rnsastry@linux.ibm.com Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" Trace IMC (In-Memory collection counters) in powerpc is useful for application level profiling. For trace_imc, presently task context (task_ctx_nr) is set to perf_hw_context. But perf_hw_context is to be used for cpu PMU. So for trace_imc, even though it is per thread PMU, it is preferred to use sw_context inorder to be able to do application level monitoring. Hence change the task_ctx_nr to use perf_sw_context. Fixes: 012ae244845f ("powerpc/perf: Trace imc PMU functions") Signed-off-by: Athira Rajeev Reviewed-by: Madhavan Srinivasan --- arch/powerpc/perf/imc-pmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c index e106909ff9c3..f3b3262bdf02 100644 --- a/arch/powerpc/perf/imc-pmu.c +++ b/arch/powerpc/perf/imc-pmu.c @@ -1457,7 +1457,7 @@ static int trace_imc_event_init(struct perf_event *event) event->hw.idx = -1; - event->pmu->task_ctx_nr = perf_hw_context; + event->pmu->task_ctx_nr = perf_sw_context; event->destroy = reset_global_refc; return 0; }