From patchwork Fri Jul 17 14:38:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Athira Rajeev X-Patchwork-Id: 1331186 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=kvm-ppc-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=linux.vnet.ibm.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4B7Yff1K8wz9sVZ for ; Sat, 18 Jul 2020 00:39:22 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726882AbgGQOjV (ORCPT ); Fri, 17 Jul 2020 10:39:21 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:23194 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728014AbgGQOjV (ORCPT ); Fri, 17 Jul 2020 10:39:21 -0400 Received: from pps.filterd (m0187473.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 06HEWMUR076546; Fri, 17 Jul 2020 10:39:10 -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 32792yb85j-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 17 Jul 2020 10:39:10 -0400 Received: from pps.filterd (ppma03ams.nl.ibm.com [127.0.0.1]) by ppma03ams.nl.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 06HEUr9N021699; Fri, 17 Jul 2020 14:39:06 GMT Received: from b06cxnps3075.portsmouth.uk.ibm.com (d06relay10.portsmouth.uk.ibm.com [9.149.109.195]) by ppma03ams.nl.ibm.com with ESMTP id 327527xtjp-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 17 Jul 2020 14:39:06 +0000 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 06HEd4aP31785448 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jul 2020 14:39:04 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 01AD94C046; Fri, 17 Jul 2020 14:39:04 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 630554C04A; Fri, 17 Jul 2020 14:39:01 +0000 (GMT) Received: from localhost.localdomain.localdomain (unknown [9.77.207.73]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Fri, 17 Jul 2020 14:39:01 +0000 (GMT) From: Athira Rajeev To: mpe@ellerman.id.au Cc: linuxppc-dev@lists.ozlabs.org, maddy@linux.vnet.ibm.com, mikey@neuling.org, kvm-ppc@vger.kernel.org, kvm@vger.kernel.org, ego@linux.vnet.ibm.com, svaidyan@in.ibm.com, acme@kernel.org, jolsa@kernel.org Subject: [v3 10/15] powerpc/perf: Add Power10 BHRB filter support for PERF_SAMPLE_BRANCH_IND_CALL/COND Date: Fri, 17 Jul 2020 10:38:22 -0400 Message-Id: <1594996707-3727-11-git-send-email-atrajeev@linux.vnet.ibm.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1594996707-3727-1-git-send-email-atrajeev@linux.vnet.ibm.com> References: <1594996707-3727-1-git-send-email-atrajeev@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-07-17_06:2020-07-17,2020-07-17 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=1 mlxlogscore=975 priorityscore=1501 lowpriorityscore=0 clxscore=1015 adultscore=0 impostorscore=0 spamscore=0 malwarescore=0 bulkscore=0 mlxscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2007170103 Sender: kvm-ppc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm-ppc@vger.kernel.org PowerISA v3.1 introduce filtering support for PERF_SAMPLE_BRANCH_IND_CALL/COND. The patch adds BHRB filter support for "ind_call" and "cond" in power10_bhrb_filter_map(). Signed-off-by: Athira Rajeev --- arch/powerpc/perf/power10-pmu.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/perf/power10-pmu.c b/arch/powerpc/perf/power10-pmu.c index ba19f40..b02aabb 100644 --- a/arch/powerpc/perf/power10-pmu.c +++ b/arch/powerpc/perf/power10-pmu.c @@ -83,6 +83,8 @@ /* MMCRA IFM bits - POWER10 */ #define POWER10_MMCRA_IFM1 0x0000000040000000UL +#define POWER10_MMCRA_IFM2 0x0000000080000000UL +#define POWER10_MMCRA_IFM3 0x00000000C0000000UL #define POWER10_MMCRA_BHRB_MASK 0x00000000C0000000UL /* Table of alternatives, sorted by column 0 */ @@ -233,8 +235,15 @@ static u64 power10_bhrb_filter_map(u64 branch_sample_type) if (branch_sample_type & PERF_SAMPLE_BRANCH_ANY_RETURN) return -1; - if (branch_sample_type & PERF_SAMPLE_BRANCH_IND_CALL) - return -1; + if (branch_sample_type & PERF_SAMPLE_BRANCH_IND_CALL) { + pmu_bhrb_filter |= POWER10_MMCRA_IFM2; + return pmu_bhrb_filter; + } + + if (branch_sample_type & PERF_SAMPLE_BRANCH_COND) { + pmu_bhrb_filter |= POWER10_MMCRA_IFM3; + return pmu_bhrb_filter; + } if (branch_sample_type & PERF_SAMPLE_BRANCH_CALL) return -1;