diff options
author | Eric Anholt <[email protected]> | 2012-07-12 13:01:49 -0700 |
---|---|---|
committer | Eric Anholt <[email protected]> | 2012-08-12 19:08:25 -0700 |
commit | 0e723b135bfd59868c92c3ae243f1adaedaec3a5 (patch) | |
tree | dbe45184b7579b7c618269481fdccda52fbc0a98 /src/mesa/drivers/dri/intel | |
parent | 4cfb9e30000eea9cb1f316ace9347083b619cdb0 (diff) |
intel: Add performance debug for some common GPU stalls.
Reviewed-by: Jordan Justen <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Diffstat (limited to 'src/mesa/drivers/dri/intel')
-rw-r--r-- | src/mesa/drivers/dri/intel/intel_buffer_objects.c | 8 | ||||
-rw-r--r-- | src/mesa/drivers/dri/intel/intel_regions.c | 6 |
2 files changed, 13 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_buffer_objects.c b/src/mesa/drivers/dri/intel/intel_buffer_objects.c index 37dc75c5068..df8ac7fb301 100644 --- a/src/mesa/drivers/dri/intel/intel_buffer_objects.c +++ b/src/mesa/drivers/dri/intel/intel_buffer_objects.c @@ -212,7 +212,8 @@ intel_bufferobj_subdata(struct gl_context * ctx, intel_bufferobj_alloc_buffer(intel, intel_obj); drm_intel_bo_subdata(intel_obj->buffer, 0, size, data); } else { - /* Use the blitter to upload the new data. */ + perf_debug("Using a blit copy to avoid stalling on glBufferSubData() " + "to a busy buffer object.\n"); drm_intel_bo *temp_bo = drm_intel_bo_alloc(intel->bufmgr, "subdata temp", size, 64); @@ -226,6 +227,11 @@ intel_bufferobj_subdata(struct gl_context * ctx, drm_intel_bo_unreference(temp_bo); } } else { + if (unlikely(INTEL_DEBUG & DEBUG_PERF)) { + if (drm_intel_bo_busy(intel_obj->buffer)) { + perf_debug("Stalling on the GPU in glBufferSubData().\n"); + } + } drm_intel_bo_subdata(intel_obj->buffer, offset, size, data); } } diff --git a/src/mesa/drivers/dri/intel/intel_regions.c b/src/mesa/drivers/dri/intel/intel_regions.c index 1ef1ac663c5..9bf9c668da5 100644 --- a/src/mesa/drivers/dri/intel/intel_regions.c +++ b/src/mesa/drivers/dri/intel/intel_regions.c @@ -123,6 +123,12 @@ intel_region_map(struct intel_context *intel, struct intel_region *region, * flush is only needed on first map of the buffer. */ + if (unlikely(INTEL_DEBUG & DEBUG_PERF)) { + if (drm_intel_bo_busy(region->bo)) { + perf_debug("Mapping a busy BO, causing a stall on the GPU.\n"); + } + } + _DBG("%s %p\n", __FUNCTION__, region); if (!region->map_refcount) { intel_flush(&intel->ctx); |