From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759731Ab0COHnh (ORCPT ); Mon, 15 Mar 2010 03:43:37 -0400 Received: from hera.kernel.org ([140.211.167.34]:51244 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759620Ab0COHnd (ORCPT ); Mon, 15 Mar 2010 03:43:33 -0400 Date: Mon, 15 Mar 2010 07:42:45 GMT From: tip-bot for Cyrill Gorcunov Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@redhat.com, gorcunov@openvz.org, peterz@infradead.org, ming.m.lin@intel.com, tglx@linutronix.de, mingo@elte.hu Reply-To: mingo@redhat.com, hpa@zytor.com, linux-kernel@vger.kernel.org, gorcunov@openvz.org, peterz@infradead.org, ming.m.lin@intel.com, tglx@linutronix.de, mingo@elte.hu In-Reply-To: <1268629102.3355.11.camel@minggr.sh.intel.com> References: <1268629102.3355.11.camel@minggr.sh.intel.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf, x86: Enable not tagged retired instruction counting on P4s Message-ID: Git-Commit-ID: e4495262826d1eabca3529fa6ac22394eb348132 X-Mailer: tip-git-log-daemon 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]); Mon, 15 Mar 2010 07:42:45 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: e4495262826d1eabca3529fa6ac22394eb348132 Gitweb: http://git.kernel.org/tip/e4495262826d1eabca3529fa6ac22394eb348132 Author: Cyrill Gorcunov AuthorDate: Mon, 15 Mar 2010 12:58:22 +0800 Committer: Ingo Molnar CommitDate: Mon, 15 Mar 2010 08:14:34 +0100 perf, x86: Enable not tagged retired instruction counting on P4s This should turn on instruction counting on P4s, which was missing in the first version of the new PMU driver. It's inaccurate for now, we still need dependant event to tag mops before we can count them precisely. The result is that the number of instruction may be lifted up. Signed-off-by: Cyrill Gorcunov Signed-off-by: Lin Ming Cc: Peter Zijlstra LKML-Reference: <1268629102.3355.11.camel@minggr.sh.intel.com> Signed-off-by: Ingo Molnar --- arch/x86/include/asm/perf_event_p4.h | 8 ++++---- arch/x86/kernel/cpu/perf_event_p4.c | 8 +++----- 2 files changed, 7 insertions(+), 9 deletions(-) diff --git a/arch/x86/include/asm/perf_event_p4.h b/arch/x86/include/asm/perf_event_p4.h index 829f471..b47b9e9 100644 --- a/arch/x86/include/asm/perf_event_p4.h +++ b/arch/x86/include/asm/perf_event_p4.h @@ -324,8 +324,8 @@ static inline u32 p4_default_escr_conf(int cpu, int exclude_os, int exclude_usr) #define P4_SSE_INPUT_ASSIST P4_EVENT_PACK(0x34, 0x01) /* - * MSR_P4_FIRM_ESCR: 8, 9 - * MSR_P4_FIRM_ESCR: 10, 11 + * MSR_P4_FIRM_ESCR0: 8, 9 + * MSR_P4_FIRM_ESCR1: 10, 11 */ #define P4_PACKED_SP_UOP P4_EVENT_PACK(0x08, 0x01) @@ -462,8 +462,8 @@ static inline u32 p4_default_escr_conf(int cpu, int exclude_os, int exclude_usr) #define P4_INSTR_RETIRED P4_EVENT_PACK(0x02, 0x04) /* - * MSR_P4_CRU_ESCR2: 12, 13, 16 - * MSR_P4_CRU_ESCR3: 14, 15, 17 + * MSR_P4_CRU_ESCR0: 12, 13, 16 + * MSR_P4_CRU_ESCR1: 14, 15, 17 */ #define P4_UOPS_RETIRED P4_EVENT_PACK(0x01, 0x04) diff --git a/arch/x86/kernel/cpu/perf_event_p4.c b/arch/x86/kernel/cpu/perf_event_p4.c index ef861da..a11ce73 100644 --- a/arch/x86/kernel/cpu/perf_event_p4.c +++ b/arch/x86/kernel/cpu/perf_event_p4.c @@ -60,13 +60,11 @@ struct p4_event_template p4_templates[] = { [2] = { .opcode = P4_INSTR_RETIRED, .config = 0, - .dep = 0, /* needs front-end tagging */ + .dep = -1, /* needs front-end tagging */ .emask = P4_EVENT_ATTR(P4_INSTR_RETIRED, NBOGUSNTAG) | - P4_EVENT_ATTR(P4_INSTR_RETIRED, NBOGUSTAG) | - P4_EVENT_ATTR(P4_INSTR_RETIRED, BOGUSNTAG) | - P4_EVENT_ATTR(P4_INSTR_RETIRED, BOGUSTAG), - .escr_msr = { MSR_P4_CRU_ESCR2, MSR_P4_CRU_ESCR3 }, + P4_EVENT_ATTR(P4_INSTR_RETIRED, BOGUSNTAG), + .escr_msr = { MSR_P4_CRU_ESCR0, MSR_P4_CRU_ESCR1 }, .cntr = { 12, 14 }, }, [3] = {