From: Dafna Hirschfeld Date: Thu, 4 Nov 2021 07:16:20 +0000 (+0200) Subject: iommu: Log iova range in map/unmap trace events X-Git-Tag: v5.17-rc1~53^2~1^2~13 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=94aedac49d92b22995d7b9092c6551b8b9924320;p=thirdparty%2Fkernel%2Flinux.git iommu: Log iova range in map/unmap trace events In case of an iommu page fault, the faulting iova is logged in trace_io_page_fault. It is therefore convenient to log the iova range in mapping/unmapping trace events so that it is easier to see if the faulting iova was recently in any of those ranges. Signed-off-by: Dafna Hirschfeld Link: https://lore.kernel.org/r/20211104071620.27290-1-dafna.hirschfeld@collabora.com Signed-off-by: Joerg Roedel --- diff --git a/include/trace/events/iommu.h b/include/trace/events/iommu.h index 72b4582322ff5..29096fe12623d 100644 --- a/include/trace/events/iommu.h +++ b/include/trace/events/iommu.h @@ -101,8 +101,9 @@ TRACE_EVENT(map, __entry->size = size; ), - TP_printk("IOMMU: iova=0x%016llx paddr=0x%016llx size=%zu", - __entry->iova, __entry->paddr, __entry->size + TP_printk("IOMMU: iova=0x%016llx - 0x%016llx paddr=0x%016llx size=%zu", + __entry->iova, __entry->iova + __entry->size, __entry->paddr, + __entry->size ) ); @@ -124,8 +125,9 @@ TRACE_EVENT(unmap, __entry->unmapped_size = unmapped_size; ), - TP_printk("IOMMU: iova=0x%016llx size=%zu unmapped_size=%zu", - __entry->iova, __entry->size, __entry->unmapped_size + TP_printk("IOMMU: iova=0x%016llx - 0x%016llx size=%zu unmapped_size=%zu", + __entry->iova, __entry->iova + __entry->size, + __entry->size, __entry->unmapped_size ) );