Mesa (master): intel: Add missing perf debug for a stall on mapping a BO.

[Eric Anholt]

Module: Mesa
Branch: master
Commit: f0a191ca0ff197f0f0c00be0b4b94169ec81f71f
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=f0a191ca0ff197f0f0c00be0b4b94169ec81f71f

Author: Eric Anholt <eric at anholt.net>
Date:   Fri Feb 22 14:39:15 2013 -0800

intel: Add missing perf debug for a stall on mapping a BO.

I was testing the ARB_debug_output code and wrote an obvious sample that
should have hit this, and got confused that my ARB_debug_output was
broken.

Reviewed-by: Jordan Justen <jordan.l.justen at intel.com>

---

 src/mesa/drivers/dri/intel/intel_buffer_objects.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/src/mesa/drivers/dri/intel/intel_buffer_objects.c b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
index 34eb7c9..ac265db 100644
--- a/src/mesa/drivers/dri/intel/intel_buffer_objects.c
+++ b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
@@ -330,6 +330,8 @@ intel_bufferobj_map_range(struct gl_context * ctx,
 	    drm_intel_bo_unreference(intel_obj->buffer);
 	    intel_bufferobj_alloc_buffer(intel, intel_obj);
 	 } else {
+            perf_debug("Stalling on the GPU for mapping a busy buffer "
+                       "object\n");
 	    intel_flush(ctx);
 	 }
       } else if (drm_intel_bo_busy(intel_obj->buffer) &&