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 <dafna.hirschfeld@collabora.com>
Link: https://lore.kernel.org/r/20211104071620.27290-1-dafna.hirschfeld@collabora.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

diff --git a/include/trace/events/iommu.h b/include/trace/events/iommu.h
index 72b4582322ff501d75a580b36ce3e2528ad06f32..29096fe12623d2b8537200aa441f0761e1f01f40 100644 (file)
--- 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
        )
 );