From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932944Ab2GFGan (ORCPT ); Fri, 6 Jul 2012 02:30:43 -0400 Received: from terminus.zytor.com ([198.137.202.10]:49139 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932508Ab2GFGal (ORCPT ); Fri, 6 Jul 2012 02:30:41 -0400 Date: Thu, 5 Jul 2012 23:30:28 -0700 From: "tip-bot for Yan, Zheng" Message-ID: Cc: linux-kernel@vger.kernel.org, eranian@google.com, hpa@zytor.com, mingo@kernel.org, a.p.zijlstra@chello.nl, zheng.z.yan@intel.com, tglx@linutronix.de Reply-To: mingo@kernel.org, hpa@zytor.com, eranian@google.com, linux-kernel@vger.kernel.org, a.p.zijlstra@chello.nl, zheng.z.yan@intel.com, tglx@linutronix.de In-Reply-To: <1340780953-21130-1-git-send-email-zheng.z.yan@intel.com> References: <1340780953-21130-1-git-send-email-zheng.z.yan@intel.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf/x86: Use 0xff as pseudo code for fixed uncore event Git-Commit-ID: eca26c9950f4d3e9c92ba275e9f4aee834aa1913 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 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.6 (terminus.zytor.com [127.0.0.1]); Thu, 05 Jul 2012 23:30:33 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: eca26c9950f4d3e9c92ba275e9f4aee834aa1913 Gitweb: http://git.kernel.org/tip/eca26c9950f4d3e9c92ba275e9f4aee834aa1913 Author: Yan, Zheng AuthorDate: Wed, 27 Jun 2012 15:09:12 +0800 Committer: Ingo Molnar CommitDate: Thu, 5 Jul 2012 21:55:58 +0200 perf/x86: Use 0xff as pseudo code for fixed uncore event Stephane Eranian suggestted using 0xff as pseudo code for fixed uncore event and using the umask value to determine which of the fixed events we want to map to. So far there is at most one fixed counter in a uncore PMU. So just change the definition of UNCORE_FIXED_EVENT to 0xff. Suggested-by: Stephane Eranian Signed-off-by: Yan, Zheng Signed-off-by: Peter Zijlstra Link: http://lkml.kernel.org/r/1340780953-21130-1-git-send-email-zheng.z.yan@intel.com Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/perf_event_intel_uncore.c | 4 ++-- arch/x86/kernel/cpu/perf_event_intel_uncore.h | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c index 6f43f95..c42a3f7 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c +++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c @@ -179,7 +179,7 @@ static struct attribute *snbep_uncore_pcu_formats_attr[] = { }; static struct uncore_event_desc snbep_uncore_imc_events[] = { - INTEL_UNCORE_EVENT_DESC(clockticks, "event=0xff,umask=0xff"), + INTEL_UNCORE_EVENT_DESC(clockticks, "event=0xff,umask=0x00"), INTEL_UNCORE_EVENT_DESC(cas_count_read, "event=0x04,umask=0x03"), INTEL_UNCORE_EVENT_DESC(cas_count_write, "event=0x04,umask=0x0c"), { /* end: all zeroes */ }, @@ -616,7 +616,7 @@ static struct attribute_group nhm_uncore_format_group = { }; static struct uncore_event_desc nhm_uncore_events[] = { - INTEL_UNCORE_EVENT_DESC(clockticks, "event=0xff,umask=0xff"), + INTEL_UNCORE_EVENT_DESC(clockticks, "event=0xff,umask=0x00"), INTEL_UNCORE_EVENT_DESC(qmc_writes_full_any, "event=0x2f,umask=0x0f"), INTEL_UNCORE_EVENT_DESC(qmc_normal_reads_any, "event=0x2c,umask=0x0f"), INTEL_UNCORE_EVENT_DESC(qhl_request_ioh_reads, "event=0x20,umask=0x01"), diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.h b/arch/x86/kernel/cpu/perf_event_intel_uncore.h index 4d52db0..88498c7 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_uncore.h +++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.h @@ -9,7 +9,7 @@ #define UNCORE_PMU_HRTIMER_INTERVAL (60 * NSEC_PER_SEC) -#define UNCORE_FIXED_EVENT 0xffff +#define UNCORE_FIXED_EVENT 0xff #define UNCORE_PMC_IDX_MAX_GENERIC 8 #define UNCORE_PMC_IDX_FIXED UNCORE_PMC_IDX_MAX_GENERIC #define UNCORE_PMC_IDX_MAX (UNCORE_PMC_IDX_FIXED + 1)