Mesa (master): docs: document ACO_DEBUG=perfinfo

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Module: Mesa
Branch: master
Commit: 8e409abf969d90c83fb847c20fdeb2465e717ab3
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=8e409abf969d90c83fb847c20fdeb2465e717ab3

Author: Rhys Perry <pendingchaos02 at gmail.com>
Date:   Mon Mar 15 14:17:57 2021 +0000

docs: document ACO_DEBUG=perfinfo

Signed-off-by: Rhys Perry <pendingchaos02 at gmail.com>
Reviewed-by: Timur Kristóf <timur.kristof at gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9599>

---

 docs/envvars.rst | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/docs/envvars.rst b/docs/envvars.rst
index eebc2f8a1fe..0496c522eaa 100644
--- a/docs/envvars.rst
+++ b/docs/envvars.rst
@@ -665,6 +665,8 @@ RADV driver environment variables
       disable various optimizations
    ``noscheduling``
       disable instructions scheduling
+   ``perfinfo``
+      print information used to calculate some pipeline statistics
 
 radeonsi driver environment variables
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~