sun4u_iommu: add trace event for IOMMU translations

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Acked-by: Artyom Tarasenko <atar4qemu@gmail.com>
qemu · Jan 9, 2018 · 602c993 · 602c993
1 parent 09ecbb7
commit 602c993
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diff --git a/hw/sparc64/sun4u_iommu.c b/hw/sparc64/sun4u_iommu.c
@@ -184,6 +184,8 @@ static IOMMUTLBEntry sun4u_translate_iommu(IOMMUMemoryRegion *iommu,
         ret.addr_mask = (IOMMU_PAGE_SIZE_8K - 1);
     }
 
+    trace_sun4u_iommu_translate(ret.iova, ret.translated_addr, tte);
+
     return ret;
 }
 

diff --git a/hw/sparc64/trace-events b/hw/sparc64/trace-events
@@ -6,3 +6,4 @@ ebus_isa_irq_handler(int n, int level) "Set ISA IRQ %d level %d"
 # hw/sparc64/sun4u_iommu.c
 sun4u_iommu_mem_read(uint64_t addr, uint64_t val, int size) "addr: 0x%"PRIx64" val: 0x%"PRIx64" size: %d"
 sun4u_iommu_mem_write(uint64_t addr, uint64_t val, int size) "addr: 0x%"PRIx64" val: 0x%"PRIx64" size: %d"
+sun4u_iommu_translate(uint64_t addr, uint64_t trans_addr, uint64_t tte) "xlate 0x%"PRIx64" => pa 0x%"PRIx64" tte: 0x%"PRIx64