From 838633b71c1af5a2dd11753ab5d814a7f39f902d Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Fri, 12 Dec 2008 16:13:04 +0100 Subject: [PATCH] --- yaml --- r: 125641 b: refs/heads/master c: 8ecaf8f19f0f0627d6ac6d69ed9472e7d307f35b h: refs/heads/master i: 125639: 3f845ee84325d89d534d5272d847ae909227445e v: v3 --- [refs] | 2 +- trunk/arch/x86/kernel/amd_iommu.c | 4 ++++ 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/[refs] b/[refs] index 509a21fe234a..2505ea486b0a 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 5774f7c5fef2526bfa58eab628fbe91dce5e07b1 +refs/heads/master: 8ecaf8f19f0f0627d6ac6d69ed9472e7d307f35b diff --git a/trunk/arch/x86/kernel/amd_iommu.c b/trunk/arch/x86/kernel/amd_iommu.c index 69f367b033a2..0c504b207bf9 100644 --- a/trunk/arch/x86/kernel/amd_iommu.c +++ b/trunk/arch/x86/kernel/amd_iommu.c @@ -75,6 +75,7 @@ DECLARE_STATS_COUNTER(cross_page); DECLARE_STATS_COUNTER(domain_flush_single); DECLARE_STATS_COUNTER(domain_flush_all); DECLARE_STATS_COUNTER(alloced_io_mem); +DECLARE_STATS_COUNTER(total_map_requests); static struct dentry *stats_dir; static struct dentry *de_isolate; @@ -112,6 +113,7 @@ static void amd_iommu_stats_init(void) amd_iommu_stats_add(&domain_flush_single); amd_iommu_stats_add(&domain_flush_all); amd_iommu_stats_add(&alloced_io_mem); + amd_iommu_stats_add(&total_map_requests); } #endif @@ -1229,6 +1231,8 @@ static dma_addr_t __map_single(struct device *dev, pages = iommu_num_pages(paddr, size, PAGE_SIZE); paddr &= PAGE_MASK; + INC_STATS_COUNTER(total_map_requests); + if (pages > 1) INC_STATS_COUNTER(cross_page);