[Beignet] [PATCH 2/2] Add aub dump support

[Zhigang Gong]

One normal case is that the application will enqueue many kernels one by one.
Could you enhance this patch to output per kernel aub file, something like
kernel_a.aub, kernel_b.aub, etc.

Thanks,
Zhigang Gong.

On Thu, Dec 25, 2014 at 10:57:29AM +0800, Zhenyu Wang wrote:
> Use current libdrm interface to dump aub file for debug in emulator.
> This adds new driver environment of OCL_DUMP_AUB=1 to enable this.
> 
> Signed-off-by: Zhenyu Wang <zhenyuw at linux.intel.com>
> ---
>  src/intel/intel_driver.c | 17 ++++++++++++++++-
>  1 file changed, 16 insertions(+), 1 deletion(-)
> 
> diff --git a/src/intel/intel_driver.c b/src/intel/intel_driver.c
> index bdfa768..4ed1e25 100644
> --- a/src/intel/intel_driver.c
> +++ b/src/intel/intel_driver.c
> @@ -109,13 +109,28 @@ error:
>  /* just used for maximum relocation number in drm_intel */
>  #define BATCH_SIZE 0x4000
>  
> +/* set OCL_DUMP_AUB=1 to get aub file */
> +static void
> +intel_driver_aub_dump(intel_driver_t *driver)
> +{
> +  char *val;
> +  val = getenv("OCL_DUMP_AUB");
> +  if (!val)
> +    return;
> +  if (atoi(val) != 0) {
> +    drm_intel_bufmgr_gem_set_aub_filename(driver->bufmgr,
> +					  "beignet.aub");
> +    drm_intel_bufmgr_gem_set_aub_dump(driver->bufmgr, 1);
> +  }
> +}
> +
>  static void
>  intel_driver_memman_init(intel_driver_t *driver)
>  {
>    driver->bufmgr = drm_intel_bufmgr_gem_init(driver->fd, BATCH_SIZE);
>    assert(driver->bufmgr);
> -  //drm_intel_bufmgr_gem_set_aub_dump(driver->bufmgr, 1);
>    drm_intel_bufmgr_gem_enable_reuse(driver->bufmgr);
> +  intel_driver_aub_dump(driver);
>  }
>  
>  static void
> -- 
> 2.1.4
> 
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