From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752973AbcKRJHM (ORCPT ); Fri, 18 Nov 2016 04:07:12 -0500 Received: from terminus.zytor.com ([198.137.202.10]:51032 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752920AbcKRJHJ (ORCPT ); Fri, 18 Nov 2016 04:07:09 -0500 Date: Fri, 18 Nov 2016 01:06:28 -0800 From: tip-bot for Janakarajan Natarajan Message-ID: Cc: mingo@kernel.org, jolsa@redhat.com, torvalds@linux-foundation.org, Janakarajan.Natarajan@amd.com, alexander.shishkin@linux.intel.com, peterz@infradead.org, suravee.suthikulpanit@amd.com, hpa@zytor.com, eranian@google.com, acme@redhat.com, linux-kernel@vger.kernel.org, tglx@linutronix.de, vincent.weaver@maine.edu, acme@kernel.org, bp@suse.de Reply-To: alexander.shishkin@linux.intel.com, Janakarajan.Natarajan@amd.com, mingo@kernel.org, torvalds@linux-foundation.org, jolsa@redhat.com, linux-kernel@vger.kernel.org, acme@redhat.com, bp@suse.de, vincent.weaver@maine.edu, acme@kernel.org, tglx@linutronix.de, hpa@zytor.com, peterz@infradead.org, suravee.suthikulpanit@amd.com, eranian@google.com In-Reply-To: <1479399306-13375-1-git-send-email-Janakarajan.Natarajan@amd.com> References: <1479399306-13375-1-git-send-email-Janakarajan.Natarajan@amd.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/urgent] perf/x86: Add perf support for AMD family-17h processors Git-Commit-ID: e40ed1542dd779e5037a22c6b534e57127472365 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: e40ed1542dd779e5037a22c6b534e57127472365 Gitweb: http://git.kernel.org/tip/e40ed1542dd779e5037a22c6b534e57127472365 Author: Janakarajan Natarajan AuthorDate: Thu, 17 Nov 2016 10:15:06 -0600 Committer: Ingo Molnar CommitDate: Fri, 18 Nov 2016 09:45:57 +0100 perf/x86: Add perf support for AMD family-17h processors This patch enables perf core PMU support for the new AMD family-17h processors. In family-17h, there is no PMC-event constraint. All events, irrespective of the type, can be measured using any of the six generic performance counters. Signed-off-by: Janakarajan Natarajan Acked-by: Borislav Petkov Cc: Alexander Shishkin Cc: Arnaldo Carvalho de Melo Cc: Arnaldo Carvalho de Melo Cc: Jiri Olsa Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Stephane Eranian Cc: Suravee Suthikulpanit Cc: Thomas Gleixner Cc: Vince Weaver Link: http://lkml.kernel.org/r/1479399306-13375-1-git-send-email-Janakarajan.Natarajan@amd.com Signed-off-by: Ingo Molnar --- arch/x86/events/amd/core.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/arch/x86/events/amd/core.c b/arch/x86/events/amd/core.c index f5f4b3f..afb222b 100644 --- a/arch/x86/events/amd/core.c +++ b/arch/x86/events/amd/core.c @@ -662,7 +662,13 @@ static int __init amd_core_pmu_init(void) pr_cont("Fam15h "); x86_pmu.get_event_constraints = amd_get_event_constraints_f15h; break; - + case 0x17: + pr_cont("Fam17h "); + /* + * In family 17h, there are no event constraints in the PMC hardware. + * We fallback to using default amd_get_event_constraints. + */ + break; default: pr_err("core perfctr but no constraints; unknown hardware!\n"); return -ENODEV;