From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932719AbcH1VDq (ORCPT ); Sun, 28 Aug 2016 17:03:46 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:40729 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932555AbcH1VCH (ORCPT ); Sun, 28 Aug 2016 17:02:07 -0400 X-IBM-Helo: d28dlp01.in.ibm.com X-IBM-MailFrom: maddy@linux.vnet.ibm.com X-IBM-RcptTo: linux-kernel@vger.kernel.org From: Madhavan Srinivasan To: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Cc: Madhavan Srinivasan , Thomas Gleixner , Ingo Molnar , Peter Zijlstra , Jiri Olsa , Arnaldo Carvalho de Melo , Stephane Eranian , Russell King , Catalin Marinas , Will Deacon , Benjamin Herrenschmidt , Michael Ellerman , Sukadev Bhattiprolu Subject: [PATCH 07/13] powerpc/perf: Add support for perf_arch_regs for Power7 processor Date: Mon, 29 Aug 2016 02:30:52 +0530 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1472418058-28659-1-git-send-email-maddy@linux.vnet.ibm.com> References: <1472418058-28659-1-git-send-email-maddy@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16082821-0052-0000-0000-000002DDF1CD X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16082821-0053-0000-0000-00000E4F44BC Message-Id: <1472418058-28659-8-git-send-email-maddy@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2016-08-28_10:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1604210000 definitions=main-1608280206 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add code to define support functions and registers mask for Power7 processor. Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Peter Zijlstra Cc: Jiri Olsa Cc: Arnaldo Carvalho de Melo Cc: Stephane Eranian Cc: Russell King Cc: Catalin Marinas Cc: Will Deacon Cc: Benjamin Herrenschmidt Cc: Michael Ellerman Cc: Sukadev Bhattiprolu Signed-off-by: Madhavan Srinivasan --- arch/powerpc/perf/power7-pmu.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/arch/powerpc/perf/power7-pmu.c b/arch/powerpc/perf/power7-pmu.c index a383c23a9070..1eac466d4881 100644 --- a/arch/powerpc/perf/power7-pmu.c +++ b/arch/powerpc/perf/power7-pmu.c @@ -13,6 +13,7 @@ #include #include #include +#include /* * Bits in event code for POWER7 @@ -427,6 +428,31 @@ static const struct attribute_group *power7_pmu_attr_groups[] = { NULL, }; +#define POWER7_ARCH_REGS_MASK (PERF_ARCH_REG_PVR |\ + PERF_ARCH_REG_PMC1 | PERF_ARCH_REG_PMC2 |\ + PERF_ARCH_REG_PMC3 | PERF_ARCH_REG_PMC4 |\ + PERF_ARCH_REG_PMC5 | PERF_ARCH_REG_PMC6 |\ + PERF_ARCH_REG_MMCR0 | PERF_ARCH_REG_MMCR1 |\ + PERF_ARCH_REG_SIER | PERF_ARCH_REG_SIAR |\ + PERF_ARCH_REG_SDAR | PERF_ARCH_REG_MMCRA) + +static void power7_get_arch_regs(struct perf_arch_regs *regs) +{ + regs->regs[PERF_ARCH_REG_POWERPC_PVR] = mfspr(SPRN_PVR); + regs->regs[PERF_ARCH_REG_POWERPC_PMC1] = mfspr(SPRN_PMC1); + regs->regs[PERF_ARCH_REG_POWERPC_PMC2] = mfspr(SPRN_PMC2); + regs->regs[PERF_ARCH_REG_POWERPC_PMC3] = mfspr(SPRN_PMC3); + regs->regs[PERF_ARCH_REG_POWERPC_PMC4] = mfspr(SPRN_PMC4); + regs->regs[PERF_ARCH_REG_POWERPC_PMC5] = mfspr(SPRN_PMC5); + regs->regs[PERF_ARCH_REG_POWERPC_PMC6] = mfspr(SPRN_PMC6); + regs->regs[PERF_ARCH_REG_POWERPC_MMCR0] = mfspr(SPRN_MMCR0); + regs->regs[PERF_ARCH_REG_POWERPC_MMCR1] = mfspr(SPRN_MMCR1); + regs->regs[PERF_ARCH_REG_POWERPC_SIER] = mfspr(SPRN_SIER); + regs->regs[PERF_ARCH_REG_POWERPC_SIAR] = mfspr(SPRN_SIAR); + regs->regs[PERF_ARCH_REG_POWERPC_SDAR] = mfspr(SPRN_SDAR); + regs->regs[PERF_ARCH_REG_POWERPC_MMCRA] = mfspr(SPRN_MMCRA); +} + static struct power_pmu power7_pmu = { .name = "POWER7", .n_counter = 6, @@ -442,6 +468,8 @@ static struct power_pmu power7_pmu = { .n_generic = ARRAY_SIZE(power7_generic_events), .generic_events = power7_generic_events, .cache_events = &power7_cache_events, + .ar_mask = POWER7_ARCH_REGS_MASK, + .get_arch_regs = power7_get_arch_regs, }; static int __init init_power7_pmu(void) -- 2.7.4