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i965: Drop INTEL_DEBUG=stats.

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For whatever reason, we had an INTEL_DEBUG=stats option that enabled
various statistics counters on Gen4-5 systems.  It's been around
forever, though I can't think of a single time that it's been useful.

On Gen6+, we enable statistics all the time because they're necessary
to support various query object targets.  Turning them off would break
those queries.

Gen4-5 don't support those queries, so the statistics counters generally
aren't useful; we disabled them by default.  This patch disables them
altogether.

Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
This commit is contained in:
Kenneth Graunke
2017-05-08 23:53:36 -07:00
parent 31abfd2d35
commit 620f12a53f
9 changed files with 3 additions and 18 deletions
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docs/envvars.html
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@@ -195,7 +195,6 @@ See the <a href="xlibdriver.html">Xlib software driver page</a> for details.
<li>spill_fs - force spilling of all registers in the scalar backend (useful to debug spilling code)</li>
<li>spill_vec4 - force spilling of all registers in the vec4 backend (useful to debug spilling code)</li>
<li>state - emit messages about state flag tracking</li>
<li>stats - enable statistics counters. you probably actually want perfmon or intel_gpu_top instead.</li>
<li>sync - after sending each batch, emit a message and wait for that batch to finish rendering</li>
<li>tcs - dump shader assembly for tessellation control shaders</li>
<li>tes - dump shader assembly for tessellation evaluation shaders</li>