Re: [Qemu-devel] [PATCH 8/8] sun4u_iommu: add trace event for IOMMU translations

[Philippe Mathieu-Daudé]

On 11/26/2017 10:35 AM, Mark Cave-Ayland wrote:
> Signed-off-by: Mark Cave-Ayland <address@hidden>

Reviewed-by: Philippe Mathieu-Daudé <address@hidden>

> ---
>  hw/sparc64/sun4u_iommu.c |    2 ++
>  hw/sparc64/trace-events  |    1 +
>  2 files changed, 3 insertions(+)
> 
> diff --git a/hw/sparc64/sun4u_iommu.c b/hw/sparc64/sun4u_iommu.c
> index 51fbc39..4cf8e69 100644
> --- 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
> index 052352f..2ee2d75 100644
> --- 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
>