Received: by 2002:a05:6a10:d5a5:0:0:0:0 with SMTP id gn37csp4403990pxb; Tue, 5 Oct 2021 02:21:40 -0700 (PDT) X-Google-Smtp-Source: ABdhPJz7eamg7y6KFFrPd1EeYAlkp1SaP+7zl7IV/Fdtukys8ao2TCcqyMBKaMzQrFGyNgE0k0z+ X-Received: by 2002:a62:2c09:0:b0:44c:4f9a:cb92 with SMTP id s9-20020a622c09000000b0044c4f9acb92mr13586124pfs.73.1633425700528; Tue, 05 Oct 2021 02:21:40 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1633425700; cv=none; d=google.com; s=arc-20160816; b=JdONY2VxN/MNHtkcsLFKk34LPHepy0W4OoT25BVDLYXnoBORRjhP2V+4hYkOpCw/nb SKQ8kV1GahsORYv/ZlWOb1xcbbi25KvRH/Tv/3wQr0lbzeTx7S3OCJVgZciAblnvpwjh thXkvJxxlYK4J+YPNmJuHKKTQRMPnLNV0EbJswmsBUNQ4180+2XMfv5fhebkYuCIiVcZ 7AsY4V9tcD/Q3ICOOQ7hcExZIjImRt3zOzzJyuMvFLjPle7guX2fRdUwugLyQx6D9Rjb khA2lU3ByQHd9WoJnaQn/tHSROx/DToy79xLs0qAv2ZBvAhKT7SDGODwi3fxBW+mX13a T17Q== 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=e3zv0JpoXA3ce2SJV8E5dZPU5DKTXjfoMrciq3YCN8k=; b=bpWbtlv/J1zm7T3gFo9/qABcDYhvlXxo9ZjMllOkm0gzDtVdxWioa0868E54C5WDcj haY84OH9sST8yXZ6S0hMxN5LLWUnVjXAbE5WUVCYhUFpRhU/9ulw4yHXPjK4LKUEeIlt HtfuQc+JcyE+U/QANNi+tVoyCcqV9oTamtc4rPQTOz9HnyGaRa4oodpBNIuIkXOuTgfY VaZLqXJNXpt754PKWpETflZGREuhoZHrsJpheKs4w+TQF/udpTUhp4L+rIy/ylK3/zVz dPSZ8tWL0xU9gLKpDU27ogoaALZR+XnKTyZlADap4KwQLilx8IEYEY3QZSF+b0353ChD fIXA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@ibm.com header.s=pp1 header.b=RgiNgdqo; 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 f9si1415107pjs.10.2021.10.05.02.21.27; Tue, 05 Oct 2021 02:21:40 -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=RgiNgdqo; 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 S233079AbhJEJWB (ORCPT + 99 others); Tue, 5 Oct 2021 05:22:01 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:14624 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232992AbhJEJV6 (ORCPT ); Tue, 5 Oct 2021 05:21:58 -0400 Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 1959C8bo015142; Tue, 5 Oct 2021 05:19:37 -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=e3zv0JpoXA3ce2SJV8E5dZPU5DKTXjfoMrciq3YCN8k=; b=RgiNgdqoLNDluuwd7QZOnaQKQXlzKA7Dbc8ccxOKAAvMSFDnVJ+ND22bIUhNxmjwlq/M V/eU1b4KjhIPHZEL039GmwDjaSpIwAMvHVCyUJJw09YAygcE3wEHesM3tzz+B0zu/8Bs Ap0zlwk+53jxnDYXL2FbCNLl8qZXmg4hzRRs0SBZTX3VkIDsJCjmZbloNbcS+231V+6z G2pIp+9yL8wKufk/DKpbyOiToNulmvaUP+EWA8HTxlQUamoQGg0YNlQj4qT4aUpWJrNU 3jJicWb/7fQ2224re2ucdmEe1NTAdtcorPfKPI2AKzraYVStUBwqE+EgM8j1APyNyo24 gQ== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 3bgkv1r4ce-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 05 Oct 2021 05:19:37 -0400 Received: from m0098399.ppops.net (m0098399.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.43/8.16.0.43) with SMTP id 1959EOG1023990; Tue, 5 Oct 2021 05:19:36 -0400 Received: from ppma06ams.nl.ibm.com (66.31.33a9.ip4.static.sl-reverse.com [169.51.49.102]) by mx0a-001b2d01.pphosted.com with ESMTP id 3bgkv1r4bv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 05 Oct 2021 05:19:36 -0400 Received: from pps.filterd (ppma06ams.nl.ibm.com [127.0.0.1]) by ppma06ams.nl.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 1959CVqm022033; Tue, 5 Oct 2021 09:19:33 GMT Received: from b06cxnps4076.portsmouth.uk.ibm.com (d06relay13.portsmouth.uk.ibm.com [9.149.109.198]) by ppma06ams.nl.ibm.com with ESMTP id 3beepjgfwb-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 05 Oct 2021 09:19:33 +0000 Received: from b06wcsmtp001.portsmouth.uk.ibm.com (b06wcsmtp001.portsmouth.uk.ibm.com [9.149.105.160]) by b06cxnps4076.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 1959JSwF33817010 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 5 Oct 2021 09:19:28 GMT Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3E3E8A4054; Tue, 5 Oct 2021 09:19:27 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 54F62A40AE; Tue, 5 Oct 2021 09:19:19 +0000 (GMT) Received: from li-e8dccbcc-2adc-11b2-a85c-bc1f33b9b810.ibm.com.com (unknown [9.43.64.84]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTP; Tue, 5 Oct 2021 09:19:19 +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 2/4] perf: Add mem_hops field in perf_mem_data_src structure Date: Tue, 5 Oct 2021 14:48:35 +0530 Message-Id: <20211005091837.250044-2-kjain@linux.ibm.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20211005091837.250044-1-kjain@linux.ibm.com> References: <20211005091837.250044-1-kjain@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: -cBzxC_e7112ReJt_3E8M92XVZNzpXbS X-Proofpoint-ORIG-GUID: pQqNou_LK5UT9GDQAXj9VMEF-m0FvYjY 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=2021-10-04_05,2021-10-04_01,2020-04-07_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 priorityscore=1501 lowpriorityscore=0 suspectscore=0 phishscore=0 adultscore=0 clxscore=1015 mlxscore=0 impostorscore=0 bulkscore=0 spamscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2109230001 definitions=main-2110050052 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Going forward, future generation systems can have more hierarchy within the chip/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-chip/package or inter-chip/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 chip. For ex: Encodings for mem_hops fields with L2 cache: L2 - local L2 L2 | REMOTE | HOPS_0 - remote core, same chip 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..42680563228c 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 chip */ +/* 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