Commit 94aedac4 authored by Dafna Hirschfeld's avatar Dafna Hirschfeld Committed by Joerg Roedel
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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: default avatarDafna Hirschfeld <dafna.hirschfeld@collabora.com>
Link: https://lore.kernel.org/r/20211104071620.27290-1-dafna.hirschfeld@collabora.com


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 0fcfb00b

include/trace/events/iommu.h

+6 −4
Original line number Diff line number Diff line
@@ -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

	)

);