Received: by 2002:a05:6a10:d5a5:0:0:0:0 with SMTP id gn37csp391061pxb; Wed, 6 Oct 2021 07:11:22 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxUg2jOwLTrzh6eymHdk4oeLwvC5RMvqI0rpDs54ni8oELaqw3i5CpJSEMWG00xIQCplZLX X-Received: by 2002:a05:6512:2290:: with SMTP id f16mr10057174lfu.668.1633529482447; Wed, 06 Oct 2021 07:11:22 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1633529482; cv=none; d=google.com; s=arc-20160816; b=j0YmkBhNke6SWGlGKLNnpGXzUM8Sn3jp4FU9tPhO1r1LNYIyXCiEj8WvIYgTB7Ms7U h5Fap5AnpUGB6+o+8ueuFF6oJkSQUapsSavm+C35uqEzosDDLtsQSxyD+BqHrQQdDA9g p2rh9nj7ixO1DII8lHGm0qfeOrkRRYh+qWD97VTe4LrWkk+jNGOT3Gvfgm683AeCHe23 E8zf2QIy0qgB1FYDrop2pc/HaeVQk05q3PJKa7xOBD5p5kiNRPeFoWXlqyNWnC4ruCEQ Yfs+dX1B0ZrSaLZZb6WzsoljLCTZUHz7uYHct3SnMkj8r3Dj0t4AjPsSXlydPeD7+xJI wkOQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=FHCUv/3u3I78+RjFGyiAnVP9CErGqtgjNzaUmk54as0=; b=vr/ANQqdR1AjMDC7ovvlNPGdZtz/Ph3e2WWz7zn/QyzSuAhGe6sZiZXQNt9hSuPNwc 6s/KRwPZLv/RrTmUrtZofcv0TZ8q3xPqB36EpJuYis63GLHLeaHp+t+ncZKf2D7OLjB1 gzbaISGSe/hg/LkgIqK0c7BrSWeZZuXxBBFjOUYHuUJDezvehGDxaicbJfmgxW0hzDG1 QDtEucOWfIpczbYToyYW6/SVBRwwoJBeFo86ieeuDhy5BBHljQ0bhsVnzMEzjTQ2wpT2 K1WW/5+5mGEbCYy6gFx073+eJlTwttAe+mMocIM9pSv6ENbUiNH7IvQojYCtych034FK NJZQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@ibm.com header.s=pp1 header.b=mTkZufZz; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=ibm.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id s7si31888523ejd.294.2021.10.06.07.10.51; Wed, 06 Oct 2021 07:11:22 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@ibm.com header.s=pp1 header.b=mTkZufZz; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=ibm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238867AbhJFOKS (ORCPT + 99 others); Wed, 6 Oct 2021 10:10:18 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:8854 "EHLO mx0b-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238841AbhJFOKR (ORCPT ); Wed, 6 Oct 2021 10:10:17 -0400 Received: from pps.filterd (m0098417.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 196E7Zds022669; Wed, 6 Oct 2021 10:07:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=FHCUv/3u3I78+RjFGyiAnVP9CErGqtgjNzaUmk54as0=; b=mTkZufZzy0oInho/8+j5v/omB2FpQTUDqfvYpukmsxXNy3uB9PfUiR4YBCsjYsnA2mYF fHXgHKecosUGrO448GtLBMn5ul9Q5RFFYD+kh2DeGsQloglRDQ4bNrwYWqbgIVtHNldd ZkSXiQGva19JKTG8xTigecmevGBhBEIB3AudrEZ4kLq32UOyXE6txsJS2adk1Vn6LAIR cqsw5zTjctXdFFI/Nm1N8Y4+wAijVs+1u+EKrTQzNlOkn3kcpUedthlpRo9vfugmEvNd DNyyReIIbldQ+I9qzeOh2Nh2A+NugwLlY24SWRx1HLhyOx6YoDBa5cs02HRhuXvmGa6A zA== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 3bh38b4txm-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 06 Oct 2021 10:07:52 -0400 Received: from m0098417.ppops.net (m0098417.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.43/8.16.0.43) with SMTP id 196E7pog023254; Wed, 6 Oct 2021 10:07:51 -0400 Received: from ppma06fra.de.ibm.com (48.49.7a9f.ip4.static.sl-reverse.com [159.122.73.72]) by mx0a-001b2d01.pphosted.com with ESMTP id 3bh38b4tww-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 06 Oct 2021 10:07:51 -0400 Received: from pps.filterd (ppma06fra.de.ibm.com [127.0.0.1]) by ppma06fra.de.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 196E79Gn029305; Wed, 6 Oct 2021 14:07:49 GMT Received: from b06cxnps4074.portsmouth.uk.ibm.com (d06relay11.portsmouth.uk.ibm.com [9.149.109.196]) by ppma06fra.de.ibm.com with ESMTP id 3beepjunw4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 06 Oct 2021 14:07:49 +0000 Received: from b06wcsmtp001.portsmouth.uk.ibm.com (b06wcsmtp001.portsmouth.uk.ibm.com [9.149.105.160]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 196E7jIc50790852 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 6 Oct 2021 14:07:45 GMT Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 44734A4060; Wed, 6 Oct 2021 14:07:45 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A9C69A405F; Wed, 6 Oct 2021 14:07:36 +0000 (GMT) Received: from li-e8dccbcc-2adc-11b2-a85c-bc1f33b9b810.ibm.com.com (unknown [9.43.124.20]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 6 Oct 2021 14:07:36 +0000 (GMT) From: Kajol Jain To: mpe@ellerman.id.au, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, peterz@infradead.org, mingo@redhat.com, acme@kernel.org, jolsa@kernel.org, namhyung@kernel.org, ak@linux.intel.com Cc: linux-perf-users@vger.kernel.org, maddy@linux.ibm.com, atrajeev@linux.vnet.ibm.com, rnsastry@linux.ibm.com, yao.jin@linux.intel.com, ast@kernel.org, daniel@iogearbox.net, songliubraving@fb.com, kan.liang@linux.intel.com, mark.rutland@arm.com, alexander.shishkin@linux.intel.com, paulus@samba.org, kjain@linux.ibm.com Subject: [PATCH v3 2/4] perf: Add mem_hops field in perf_mem_data_src structure Date: Wed, 6 Oct 2021 19:36:52 +0530 Message-Id: <20211006140654.298352-3-kjain@linux.ibm.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20211006140654.298352-1-kjain@linux.ibm.com> References: <20211006140654.298352-1-kjain@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: BRAbdHL_RJOxo40Ail5dDUiPcTaKPgxW X-Proofpoint-GUID: q0tu4e8QxYFFHJjppavCZbtitm7B1hKm X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.391,FMLib:17.0.607.475 definitions=2021-10-06_03,2021-10-06_01,2020-04-07_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 suspectscore=0 malwarescore=0 phishscore=0 spamscore=0 priorityscore=1501 mlxlogscore=999 mlxscore=0 bulkscore=0 impostorscore=0 clxscore=1015 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2109230001 definitions=main-2110060089 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Going forward, future generation systems can have more hierarchy within the node/package level but currently we don't have any data source encoding field in perf, which can be used to represent this level of data. Add a new field called 'mem_hops' in the perf_mem_data_src structure which can be used to represent intra-node/package or inter-node/off-package details. This field is of size 3 bits where PERF_MEM_HOPS_{NA, 0..6} value can be used to present different hop levels data. Also add corresponding macros to define mem_hop field values and shift value. Currently we define macro for HOPS_0 which corresponds to data coming from another core but same node. For ex: Encodings for mem_hops fields with L2 cache: L2 - local L2 L2 | REMOTE | HOPS_0 - remote core, same node L2 Signed-off-by: Kajol Jain --- include/uapi/linux/perf_event.h | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h index e1701e9c7858..2fc09579e24a 100644 --- a/include/uapi/linux/perf_event.h +++ b/include/uapi/linux/perf_event.h @@ -1210,14 +1210,16 @@ union perf_mem_data_src { mem_remote:1, /* remote */ mem_snoopx:2, /* snoop mode, ext */ mem_blk:3, /* access blocked */ - mem_rsvd:21; + mem_hops:3, /* hop level */ + mem_rsvd:18; }; }; #elif defined(__BIG_ENDIAN_BITFIELD) union perf_mem_data_src { __u64 val; struct { - __u64 mem_rsvd:21, + __u64 mem_rsvd:18, + mem_hops:3, /* hop level */ mem_blk:3, /* access blocked */ mem_snoopx:2, /* snoop mode, ext */ mem_remote:1, /* remote */ @@ -1313,6 +1315,11 @@ union perf_mem_data_src { #define PERF_MEM_BLK_ADDR 0x04 /* address conflict */ #define PERF_MEM_BLK_SHIFT 40 +/* hop level */ +#define PERF_MEM_HOPS_0 0x01 /* remote core, same node */ +/* 2-7 available */ +#define PERF_MEM_HOPS_SHIFT 43 + #define PERF_MEM_S(a, s) \ (((__u64)PERF_MEM_##a##_##s) << PERF_MEM_##a##_SHIFT) -- 2.26.2