[Intel-gfx] [PATCH] tools/inter_error_decode: decode for ctl and acthd

[Daniel Vetter]

On Fri, Jul 12, 2013 at 05:02:04PM +0300, Mika Kuoppala wrote:
> Signed-off-by: Mika Kuoppala <mika.kuoppala at intel.com>

Applied, thanks for the patch.
-Daniel

> ---
>  tools/intel_error_decode.c |   35 +++++++++++++++++++++++++++++++++--
>  1 file changed, 33 insertions(+), 2 deletions(-)
> 
> diff --git a/tools/intel_error_decode.c b/tools/intel_error_decode.c
> index 434c13a..b3d7efb 100644
> --- a/tools/intel_error_decode.c
> +++ b/tools/intel_error_decode.c
> @@ -62,6 +62,31 @@ print_head(unsigned int reg)
>  	return reg & (0x7ffff<<2);
>  }
>  
> +static uint32_t
> +print_ctl(unsigned int reg)
> +{
> +	uint32_t ring_length = 	(((reg & (0x1ff << 12)) >> 12) + 1) * 4096;
> +
> +#define BIT_STR(reg, x, on, off) ((1 << (x)) & reg) ? on : off
> +
> +	printf("    len=%d%s%s%s\n", ring_length,
> +	       BIT_STR(reg, 0, ", enabled", ", disabled"),
> +	       BIT_STR(reg, 10, ", semaphore wait ", ""),
> +	       BIT_STR(reg, 11, ", rb wait ", "")
> +		);
> +#undef BIT_STR
> +	return ring_length;
> +}
> +
> +static void
> +print_acthd(unsigned int reg, unsigned int ring_length)
> +{
> +	if ((reg & (0x7ffff << 2)) < ring_length)
> +		printf("    at ring: 0x%08x\n", reg & (0x7ffff << 2));
> +	else
> +		printf("    at batch: 0x%08x\n", reg);
> +}
> +
>  static void
>  print_instdone(uint32_t devid, unsigned int instdone, unsigned int instdone1)
>  {
> @@ -304,7 +329,7 @@ read_data_file(FILE *file)
>  	int data_size = 0, count = 0, line_number = 0, matched;
>  	char *line = NULL;
>  	size_t line_size;
> -	uint32_t offset, value;
> +	uint32_t offset, value, ring_length = 0;
>  	uint32_t gtt_offset = 0, new_gtt_offset;
>  	char *ring_name = NULL;
>  	int is_batch = 1;
> @@ -391,14 +416,20 @@ read_data_file(FILE *file)
>  				decode_ctx = drm_intel_decode_context_alloc(devid);
>  			}
>  
> +			matched = sscanf(line, "  CTL: 0x%08x\n", &reg);
> +			if (matched == 1)
> +				ring_length = print_ctl(reg);
> +
>  			matched = sscanf(line, "  HEAD: 0x%08x\n", &reg);
>  			if (matched == 1) {
>  				head[head_ndx++] = print_head(reg);
>  			}
>  
>  			matched = sscanf(line, "  ACTHD: 0x%08x\n", &reg);
> -			if (matched == 1)
> +			if (matched == 1) {
> +				print_acthd(reg, ring_length);
>  				drm_intel_decode_set_head_tail(decode_ctx, reg, 0xffffffff);
> +			}
>  
>  			matched = sscanf(line, "  PGTBL_ER: 0x%08x\n", &reg);
>  			if (matched == 1 && reg)
> -- 
> 1.7.9.5
> 
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> Intel-gfx at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch