From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 12DF5CAC5B1 for ; Thu, 25 Sep 2025 16:21:54 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4cXf9s3gQKz2yqP; Fri, 26 Sep 2025 02:21:53 +1000 (AEST) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=148.163.156.1 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1758817313; cv=none; b=OmHZWdjhEQwiT5RLUKOH+OxN6fS4BpagFcwwk3FyDRfqHEgPr6eWgRPLZDaCbDp/b4CKVqHeyiPTq6x0nBiVs726YO5ML4kUA9NQoxxs4oQSFQE3URGpsDYIAEM8hQNkQy4pns4Xtoes8uBVEoNs39lXoCeqEph/XVTCdgnCbo0KyNBHPRpbeI55pEDiR878ZcLDa54Uz+NBKhn6m/z3KFFJc7mdYGys0ym/2FXaOK2PatveKOpl6O0dlqu+5OF6BtvfRcSove1hxjaTfRmkFcOYYjAJPAxQHn02E7ifYmw537GFAjhK7J77yS/JcDQi/Ztb4tY8cRxN2CLwU9pGGA== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1758817313; c=relaxed/relaxed; bh=uD/8nLKVWM+Lp2qYVbaC6377nn0bz6Ew4o5O6RI0L8g=; h=Content-Type:Mime-Version:Subject:From:In-Reply-To:Date:Cc: Message-Id:References:To; b=jbBBtd0j5aTZoqpxwPv748jMGJyW7PWt9SH82I7MW/nuzN/uDqx5qyeYin18Pi+kIphOLG6zXxuTbrQi/Wd+HHuix6RqLRCHdx2TBdzD0zAm2IZ7lGLur9Pl4vYr//s3T8/WW03ZG74VtLt9NU4+bXUFg534tnDGLAsrgz4U/2ryjXxCJ8NIN5cYExm+p7KnV+Spw0xhvELfytxc86QvKX+ZIW75DlOvtowkzqivaAAGKZArlLKKb/dxQxJ0zFgpvUT1owwVb5/5hdss6PvtmMjftU0Pr8IbFbpZUNyjbSmlRMztEax2fDwV+QZSPhZTc1JgzlYswd0lz+ADGh3Klg== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=linux.ibm.com; dkim=pass (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=M0dl3LGI; dkim-atps=neutral; spf=pass (client-ip=148.163.156.1; helo=mx0a-001b2d01.pphosted.com; envelope-from=atrajeev@linux.ibm.com; receiver=lists.ozlabs.org) smtp.mailfrom=linux.ibm.com Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=linux.ibm.com 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=M0dl3LGI; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linux.ibm.com (client-ip=148.163.156.1; helo=mx0a-001b2d01.pphosted.com; envelope-from=atrajeev@linux.ibm.com; receiver=lists.ozlabs.org) 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 4cXf9r2X4vz2ySm for ; Fri, 26 Sep 2025 02:21:52 +1000 (AEST) Received: from pps.filterd (m0353729.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 58PG9t0p027646; Thu, 25 Sep 2025 16:21:45 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=pp1; bh=uD/8nL KVWM+Lp2qYVbaC6377nn0bz6Ew4o5O6RI0L8g=; b=M0dl3LGIuM8UqpgSELTF2k toetGXmAAq5JtDPA+3cTUyGJ2UOwXhWUiALAJqslb8Vx/jNbrRPXp4RjVmp29oAV HPw0T11QpA3MS+6oBcPRzC8OHhpO7mHaeMaM/Tt/OrgwVplKR+RzqFABko/Eb1Jk Tg51xGHYcDY0vQnkDAmStmCrF/GJA2PmoJdalBtqfSNdTySgdGSggdelT5pgL9rh 8v8+XAA4sZEw3oTvdbV+tS0mF1Qo5MT1Ml2bnwBl9o8dS7xw712ay+eJBhxuIPO4 e1XDQH8Jef3WKU8qeV3MVMP05j0LCvuTO5lzzb/GZExDDYWSA2o4NfdGWDZfFSpg == Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 499ky6f0nh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 25 Sep 2025 16:21:45 +0000 (GMT) Received: from m0353729.ppops.net (m0353729.ppops.net [127.0.0.1]) by pps.reinject (8.18.1.12/8.18.0.8) with ESMTP id 58PGLiOE015140; Thu, 25 Sep 2025 16:21:44 GMT Received: from ppma23.wdc07v.mail.ibm.com (5d.69.3da9.ip4.static.sl-reverse.com [169.61.105.93]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 499ky6f0nb-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 25 Sep 2025 16:21:44 +0000 (GMT) Received: from pps.filterd (ppma23.wdc07v.mail.ibm.com [127.0.0.1]) by ppma23.wdc07v.mail.ibm.com (8.18.1.2/8.18.1.2) with ESMTP id 58PDCFAk019743; Thu, 25 Sep 2025 16:21:43 GMT Received: from smtprelay06.fra02v.mail.ibm.com ([9.218.2.230]) by ppma23.wdc07v.mail.ibm.com (PPS) with ESMTPS id 49a83kes9m-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 25 Sep 2025 16:21:43 +0000 Received: from smtpav07.fra02v.mail.ibm.com (smtpav07.fra02v.mail.ibm.com [10.20.54.106]) by smtprelay06.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 58PGLdLF26542388 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 25 Sep 2025 16:21:39 GMT Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 789332004B; Thu, 25 Sep 2025 16:21:39 +0000 (GMT) Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9F7A920040; Thu, 25 Sep 2025 16:21:33 +0000 (GMT) Received: from smtpclient.apple (unknown [9.61.241.244]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTPS; Thu, 25 Sep 2025 16:21:33 +0000 (GMT) Content-Type: text/plain; charset=utf-8 X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3776.700.51\)) Subject: Re: [PATCH V3 0/6] perf/tools: Add interface to expose vpa dtl From: Athira Rajeev In-Reply-To: Date: Thu, 25 Sep 2025 21:51:19 +0530 Cc: Jiri Olsa , Madhavan Srinivasan , "open list:PERFORMANCE EVENTS SUBSYSTEM" , linuxppc-dev , Aboorva Devarajan , Shrikanth Hegde , hbathini@linux.vnet.ibm.com, Aditya Bodkhe , Venkat Rao Bagalkote , Tejas Manhas Content-Transfer-Encoding: quoted-printable Message-Id: <6BB167B7-6479-44E7-9175-E67E500DB9E2@linux.ibm.com> References: <20250916052536.93911-1-atrajeev@linux.ibm.com> To: Adrian Hunter , Ian Rogers , Namhyung Kim , Arnaldo Carvalho de Melo X-Mailer: Apple Mail (2.3776.700.51) X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: biCr0rqG765JJcxil91zs-AIYvTzUvDY X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTIwMDAyMCBTYWx0ZWRfX9eJepzwrR6vn nCSAd0dschZgUjv5BZtO4Yg6MR5Gl/7cPNH53ivLxOnHXGy2Bh9CBNPhPkGpQ1jYxa+vLBKyU0M P4uHNzX0k5vZ4fowaS7lJinXwkRUb8ilVdeCabmKMb4Em+J6FgFpJUBfo6HahXrZW/YiYV/PSz0 8+DLhZF02ArxoPlA1pvFP22+9UCvEeeMTTitEwlQzCWqnFZ2ktNFguQX3E2qT2SGwkD+pqs8c7W SBpXR0MSEzEN3k/R6qoWVx1LEkuphOvrAHxTXI9ONfK01bk0HyPPXmGzHSDbnG/BlY4l0Mhxybe 5X4bILZZ3fJc9InUzPKq7QR7VKUNcnoN7K/1/3r4DWDckmCg62OWO9J7N49BMnlU1w74sTQnh1M zU1ljrQk X-Authority-Analysis: v=2.4 cv=XYGJzJ55 c=1 sm=1 tr=0 ts=68d56c19 cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=IkcTkHD0fZMA:10 a=yJojWOMRYYMA:10 a=QyXUC8HyAAAA:8 a=9a-m9Z7WuIiSYxGGx3EA:9 a=QEXdDO2ut3YA:10 X-Proofpoint-GUID: ZEZYSBFwn1R1TnxEf7Us3v0PioL1MvtV X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-25_01,2025-09-25_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 phishscore=0 clxscore=1015 adultscore=0 malwarescore=0 suspectscore=0 impostorscore=0 priorityscore=1501 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2509200020 > On 17 Sep 2025, at 11:28=E2=80=AFAM, Adrian Hunter = wrote: >=20 > On 16/09/2025 08:25, Athira Rajeev wrote: >> The pseries Shared Processor Logical Partition(SPLPAR) machines can >> retrieve a log of dispatch and preempt events from the hypervisor >> using data from Disptach Trace Log(DTL) buffer. With this = information, >> user can retrieve when and why each dispatch & preempt has occurred. >> The vpa-dtl PMU exposes the Virtual Processor Area(VPA) DTL counters >> via perf. >>=20 >> - Patch 1 to 6 is perf tools side code changes to enable perf >> report/script on perf.data file >=20 > For all patches 1 to 6: >=20 > Reviewed-by: Adrian Hunter Hi All, Looking for further comments if any on this patchset. The kernel side patches for this feature which was sent as separate = series is pulled to powerpc tree by Maddy If the tools side changes looks good, can we have this merged to perf = tools tree ? Thanks Athira >=20