From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758471Ab2EBCHd (ORCPT ); Tue, 1 May 2012 22:07:33 -0400 Received: from mga09.intel.com ([134.134.136.24]:46532 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756556Ab2EBCH0 (ORCPT ); Tue, 1 May 2012 22:07:26 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.67,351,1309762800"; d="scan'208";a="138970365" From: "Yan, Zheng" To: a.p.zijlstra@chello.nl, mingo@elte.hu, andi@firstfloor.org, eranian@google.com, jolsa@redhat.com, ming.m.lin@intel.com Cc: linux-kernel@vger.kernel.org Subject: [PATCH 1/9] perf: Export perf_assign_events Date: Wed, 2 May 2012 10:07:12 +0800 Message-Id: <1335924440-11242-2-git-send-email-zheng.z.yan@intel.com> X-Mailer: git-send-email 1.7.7.6 In-Reply-To: <1335924440-11242-1-git-send-email-zheng.z.yan@intel.com> References: <1335924440-11242-1-git-send-email-zheng.z.yan@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Yan, Zheng" Export perf_assign_events so the uncore code can use it to schedule events. Signed-off-by: Zheng Yan --- arch/x86/kernel/cpu/perf_event.c | 6 +++--- arch/x86/kernel/cpu/perf_event.h | 2 ++ 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index e33e9cf..eec3d09 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -637,7 +637,7 @@ static bool __perf_sched_find_counter(struct perf_sched *sched) c = sched->constraints[sched->state.event]; /* Prefer fixed purpose counters */ - if (x86_pmu.num_counters_fixed) { + if (c->idxmsk64 & ((u64)-1 << X86_PMC_IDX_FIXED)) { idx = X86_PMC_IDX_FIXED; for_each_set_bit_from(idx, c->idxmsk, X86_PMC_IDX_MAX) { if (!__test_and_set_bit(idx, sched->state.used)) @@ -704,8 +704,8 @@ static bool perf_sched_next_event(struct perf_sched *sched) /* * Assign a counter for each event. */ -static int perf_assign_events(struct event_constraint **constraints, int n, - int wmin, int wmax, int *assign) +int perf_assign_events(struct event_constraint **constraints, int n, + int wmin, int wmax, int *assign) { struct perf_sched sched; diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h index 6638aaf..e6dfc00 100644 --- a/arch/x86/kernel/cpu/perf_event.h +++ b/arch/x86/kernel/cpu/perf_event.h @@ -466,6 +466,8 @@ static inline void __x86_pmu_enable_event(struct hw_perf_event *hwc, void x86_pmu_enable_all(int added); +int perf_assign_events(struct event_constraint **constraints, int n, + int wmin, int wmax, int *assign); int x86_schedule_events(struct cpu_hw_events *cpuc, int n, int *assign); void x86_pmu_stop(struct perf_event *event, int flags); -- 1.7.7.6