From patchwork Wed Apr 29 06:04:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anju T Sudhakar X-Patchwork-Id: 1278967 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 49Bp3m539Mz9sSG for ; Wed, 29 Apr 2020 16:08:36 +1000 (AEST) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.vnet.ibm.com Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 49Bp3m3GWvzDr15 for ; Wed, 29 Apr 2020 16:08:36 +1000 (AEST) 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=148.163.158.5; helo=mx0b-001b2d01.pphosted.com; envelope-from=anju@linux.vnet.ibm.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.vnet.ibm.com Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (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 49BnzJ5FWmzDqkL for ; Wed, 29 Apr 2020 16:04:41 +1000 (AEST) Received: from pps.filterd (m0127361.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 03T63kUg095440; Wed, 29 Apr 2020 02:04:32 -0400 Received: from ppma03ams.nl.ibm.com (62.31.33a9.ip4.static.sl-reverse.com [169.51.49.98]) by mx0a-001b2d01.pphosted.com with ESMTP id 30mg17st2u-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 29 Apr 2020 02:04:32 -0400 Received: from pps.filterd (ppma03ams.nl.ibm.com [127.0.0.1]) by ppma03ams.nl.ibm.com (8.16.0.27/8.16.0.27) with SMTP id 03T5sbaf023927; Wed, 29 Apr 2020 06:04:30 GMT Received: from b06cxnps4074.portsmouth.uk.ibm.com (d06relay11.portsmouth.uk.ibm.com [9.149.109.196]) by ppma03ams.nl.ibm.com with ESMTP id 30mcu5qqfd-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 29 Apr 2020 06:04:30 +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 03T64SqK57016424 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 29 Apr 2020 06:04:28 GMT Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5F8FFA4064; Wed, 29 Apr 2020 06:04:28 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 90BFCA4054; Wed, 29 Apr 2020 06:04:26 +0000 (GMT) Received: from localhost.localdomain.com (unknown [9.85.127.103]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 29 Apr 2020 06:04:26 +0000 (GMT) From: Anju T Sudhakar To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH 0/2] powerpc/perf: Add support for perf extended regs in powerpc Date: Wed, 29 Apr 2020 11:34:13 +0530 Message-Id: <20200429060415.25930-1-anju@linux.vnet.ibm.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.676 definitions=2020-04-29_01:2020-04-28, 2020-04-29 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1011 malwarescore=0 suspectscore=1 lowpriorityscore=0 spamscore=0 phishscore=0 priorityscore=1501 adultscore=0 bulkscore=0 mlxlogscore=999 mlxscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2004290043 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: ravi.bangoria@linux.ibm.com, maddy@linux.vnet.ibm.com, linux-kernel@vger.kernel.org, acme@kernel.org, anju@linux.vnet.ibm.com, jolsa@kernel.org Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" Patch set to add support for perf extended register capability in powerpc. The capability flag PERF_PMU_CAP_EXTENDED_REGS, is used to indicate the PMU which support extended registers. The generic code define the mask of extended registers as 0 for non supported architectures. patch 2/2 defines this PERF_PMU_CAP_EXTENDED_REGS mask to output the values of mmcr0,mmcr1,mmcr2 for POWER9. x86/perf_regs.h is included by util/intel-pt.c, which will get compiled when buiding perf on powerpc. Since x86/perf_regs.h has `PERF_EXTENDED_REG_MASK` defined, defining `PERF_EXTENDED_REG_MASK` for powerpc to add support for perf extended regs will result in perf build error on powerpc. Currently powerpc architecture is not having support for auxtrace. So as a workaround for this issue, patch 1/2 set NO_AUXTRACE for powerpc. (Any other solutions are welcome.) Patch 2/2 also add extended regs to sample_reg_mask in the tool side to use with `-I?` option. Anju T Sudhakar (2): tools/perf: set no_auxtrace for powerpc powerpc/perf: Add support for outputting extended regs in perf intr_regs arch/powerpc/include/asm/perf_event_server.h | 5 +++ arch/powerpc/include/uapi/asm/perf_regs.h | 13 +++++++- arch/powerpc/perf/core-book3s.c | 1 + arch/powerpc/perf/perf_regs.c | 29 ++++++++++++++-- arch/powerpc/perf/power9-pmu.c | 1 + .../arch/powerpc/include/uapi/asm/perf_regs.h | 13 +++++++- tools/perf/arch/powerpc/Makefile | 1 + tools/perf/arch/powerpc/include/perf_regs.h | 6 +++- tools/perf/arch/powerpc/util/perf_regs.c | 33 +++++++++++++++++++ 9 files changed, 96 insertions(+), 6 deletions(-)