[Mesa-dev] [PATCH 1/2] i965/fs: Print out the estimated cycle count in INTEL_DEBUG=wm

Eric Anholt eric at anholt.net
Tue Apr 23 16:56:50 PDT 2013


This could be used by shader-db for hopefully more accurate regression
testing.
---
 src/mesa/drivers/dri/i965/brw_fs_schedule_instructions.cpp |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/brw_fs_schedule_instructions.cpp b/src/mesa/drivers/dri/i965/brw_fs_schedule_instructions.cpp
index 901a362..7567123 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_schedule_instructions.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_schedule_instructions.cpp
@@ -834,6 +834,11 @@ instruction_scheduler::schedule_instructions(fs_inst *next_block_header)
       }
    }
 
+   if (unlikely(INTEL_DEBUG & DEBUG_WM) && post_reg_alloc) {
+      printf("fs%d estimated execution time: %d cycles\n",
+             v->dispatch_width, time);
+   }
+
    assert(instructions_to_schedule == 0);
 }
 
-- 
1.7.10.4



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