Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753391Ab2FLFiH (ORCPT ); Tue, 12 Jun 2012 01:38:07 -0400 Received: from mga14.intel.com ([143.182.124.37]:15233 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752050Ab2FLFiA (ORCPT ); Tue, 12 Jun 2012 01:38:00 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.71,315,1320652800"; d="scan'208";a="111014182" From: "Yan, Zheng" To: a.p.zijlstra@chello.nl, mingo@elte.hu, jolsa@redhat.com, eranian@google.com, andi@firstfloor.org, linux-kernel@vger.kernel.org Cc: "Yan, Zheng" Subject: [PATCH V5 03/13] perf: Allow pmu to choose cpu on which to install event Date: Tue, 12 Jun 2012 13:37:38 +0800 Message-Id: <1339479468-3815-4-git-send-email-zheng.z.yan@intel.com> X-Mailer: git-send-email 1.7.10.2 In-Reply-To: <1339479468-3815-1-git-send-email-zheng.z.yan@intel.com> References: <1339479468-3815-1-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 Content-Length: 1581 Lines: 51 From: "Yan, Zheng" Allow the pmu->event_init callback to change event->cpu, so pmu can choose cpu on which to install event. Signed-off-by: Zheng Yan --- kernel/events/core.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/kernel/events/core.c b/kernel/events/core.c index d71a2d6..2c05027 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -6302,7 +6302,7 @@ SYSCALL_DEFINE5(perf_event_open, /* * Get the target context (task or percpu): */ - ctx = find_get_context(pmu, task, cpu); + ctx = find_get_context(pmu, task, event->cpu); if (IS_ERR(ctx)) { err = PTR_ERR(ctx); goto err_alloc; @@ -6375,16 +6375,16 @@ SYSCALL_DEFINE5(perf_event_open, mutex_lock(&ctx->mutex); if (move_group) { - perf_install_in_context(ctx, group_leader, cpu); + perf_install_in_context(ctx, group_leader, event->cpu); get_ctx(ctx); list_for_each_entry(sibling, &group_leader->sibling_list, group_entry) { - perf_install_in_context(ctx, sibling, cpu); + perf_install_in_context(ctx, sibling, event->cpu); get_ctx(ctx); } } - perf_install_in_context(ctx, event, cpu); + perf_install_in_context(ctx, event, event->cpu); ++ctx->generation; perf_unpin_context(ctx); mutex_unlock(&ctx->mutex); -- 1.7.10.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/