From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754264Ab1EFHlR (ORCPT ); Fri, 6 May 2011 03:41:17 -0400 Received: from hera.kernel.org ([140.211.167.34]:52882 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754012Ab1EFHlP (ORCPT ); Fri, 6 May 2011 03:41:15 -0400 Date: Fri, 6 May 2011 07:40:49 GMT From: tip-bot for Lin Ming Message-ID: Cc: linux-kernel@vger.kernel.org, acme@redhat.com, hpa@zytor.com, mingo@redhat.com, a.p.zijlstra@chello.nl, efault@gmx.de, fweisbec@gmail.com, rostedt@goodmis.org, ming.m.lin@intel.com, tglx@linutronix.de, mingo@elte.hu Reply-To: mingo@redhat.com, hpa@zytor.com, acme@redhat.com, linux-kernel@vger.kernel.org, a.p.zijlstra@chello.nl, efault@gmx.de, fweisbec@gmail.com, rostedt@goodmis.org, ming.m.lin@intel.com, tglx@linutronix.de, mingo@elte.hu In-Reply-To: <1304666042-17577-1-git-send-email-ming.m.lin@intel.com> References: <1304666042-17577-1-git-send-email-ming.m.lin@intel.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf events, x86: Add SandyBridge stalled-cycles-frontend/backend events Git-Commit-ID: e04d1b23f9706186187dcb0be1a752e48dcc540b X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.3 (hera.kernel.org [127.0.0.1]); Fri, 06 May 2011 07:40:50 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: e04d1b23f9706186187dcb0be1a752e48dcc540b Gitweb: http://git.kernel.org/tip/e04d1b23f9706186187dcb0be1a752e48dcc540b Author: Lin Ming AuthorDate: Fri, 6 May 2011 07:14:02 +0000 Committer: Ingo Molnar CommitDate: Fri, 6 May 2011 09:37:03 +0200 perf events, x86: Add SandyBridge stalled-cycles-frontend/backend events Extend the Intel SandyBridge PMU driver with definitions for generic front-end and back-end stall events. ( As commit 3011203 "perf events, x86: Add Westmere stalled-cycles-frontend/backend events" says, these are only approximations. ) Signed-off-by: Lin Ming Cc: Peter Zijlstra Cc: Arnaldo Carvalho de Melo Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Steven Rostedt Link: http://lkml.kernel.org/r/1304666042-17577-1-git-send-email-ming.m.lin@intel.com Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/perf_event_intel.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c index e61539b..7cf2ec5 100644 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ b/arch/x86/kernel/cpu/perf_event_intel.c @@ -1474,6 +1474,12 @@ static __init int intel_pmu_init(void) x86_pmu.event_constraints = intel_snb_event_constraints; x86_pmu.pebs_constraints = intel_snb_pebs_events; + + /* UOPS_ISSUED.ANY,c=1,i=1 to count stall cycles */ + intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = 0x180010e; + /* UOPS_DISPATCHED.THREAD,c=1,i=1 to count stall cycles*/ + intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = 0x18001b1; + pr_cont("SandyBridge events, "); break;