Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757250AbYLOOYo (ORCPT ); Mon, 15 Dec 2008 09:24:44 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755265AbYLOOTS (ORCPT ); Mon, 15 Dec 2008 09:19:18 -0500 Received: from outbound-sin.frontbridge.com ([207.46.51.80]:58206 "EHLO SG2EHSOBE002.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755233AbYLOOTQ (ORCPT ); Mon, 15 Dec 2008 09:19:16 -0500 X-BigFish: VPS3(zzzzzzz32i43j62h) X-Spam-TCS-SCL: 1:0 X-WSS-ID: 0KBX938-03-00K-01 From: Joerg Roedel To: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org CC: Joerg Roedel Subject: [PATCH 20/22] AMD IOMMU: add stats counter for domain tlb flushes Date: Mon, 15 Dec 2008 15:18:03 +0100 Message-ID: <1229350685-3816-21-git-send-email-joerg.roedel@amd.com> X-Mailer: git-send-email 1.5.6.4 In-Reply-To: <1229350685-3816-1-git-send-email-joerg.roedel@amd.com> References: <1229350685-3816-1-git-send-email-joerg.roedel@amd.com> X-OriginalArrivalTime: 15 Dec 2008 14:18:06.0507 (UTC) FILETIME=[F2FAFFB0:01C95EBF] MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1418 Lines: 45 Impact: see number of domain tlb flushes in debugfs Signed-off-by: Joerg Roedel --- arch/x86/kernel/amd_iommu.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 8490a06..be6d107 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -72,6 +72,7 @@ DECLARE_STATS_COUNTER(cnt_alloc_coherent); DECLARE_STATS_COUNTER(cnt_free_coherent); DECLARE_STATS_COUNTER(cross_page); DECLARE_STATS_COUNTER(domain_flush_single); +DECLARE_STATS_COUNTER(domain_flush_all); static struct dentry *stats_dir; static struct dentry *de_isolate; @@ -107,6 +108,7 @@ static void amd_iommu_stats_init(void) amd_iommu_stats_add(&cnt_free_coherent); amd_iommu_stats_add(&cross_page); amd_iommu_stats_add(&domain_flush_single); + amd_iommu_stats_add(&domain_flush_all); } #endif @@ -430,6 +432,8 @@ static void iommu_flush_domain(u16 domid) struct amd_iommu *iommu; struct iommu_cmd cmd; + INC_STATS_COUNTER(domain_flush_all); + __iommu_build_inv_iommu_pages(&cmd, CMD_INV_IOMMU_ALL_PAGES_ADDRESS, domid, 1, 1); -- 1.5.6.4 -- 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/