linux-kernel - [PATCH] drm/vkms: Add information on how to benchmark

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Date: Mon, 26 Feb 2024 17:42:11 -0300
From: Arthur Grillo <arthurgrillo@...eup.net>
To: Rodrigo Siqueira <rodrigosiqueiramelo@...il.com>, 
 Melissa Wen <melissa.srw@...il.com>, 
 Maíra Canal <mairacanal@...eup.net>, 
 Haneen Mohammed <hamohammed.sa@...il.com>, Daniel Vetter <daniel@...ll.ch>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, Jonathan Corbet <corbet@....net>, 
 Pekka Paalanen <pekka.paalanen@...labora.com>
Cc: dri-devel@...ts.freedesktop.org, linux-doc@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Arthur Grillo <arthurgrillo@...eup.net>
Subject: [PATCH] drm/vkms: Add information on how to benchmark

Now that we have a defined benchmark for testing the driver, add
documentation on how to run it.

Signed-off-by: Arthur Grillo <arthurgrillo@...eup.net>
---
 Documentation/gpu/vkms.rst | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/gpu/vkms.rst b/Documentation/gpu/vkms.rst
index ba04ac7c2167..6d07f79f77ff 100644
--- a/Documentation/gpu/vkms.rst
+++ b/Documentation/gpu/vkms.rst
@@ -89,6 +89,12 @@ You can also run subtests if you do not want to run the entire test::
   sudo ./build/tests/kms_flip --run-subtest basic-plain-flip --device "sys:/sys/devices/platform/vkms"
   sudo IGT_DEVICE="sys:/sys/devices/platform/vkms" ./build/tests/kms_flip --run-subtest basic-plain-flip
 
+If you are developing features that may affect performance, you can run the kms_fb_stress
+benchmark::
+
+  sudo ./build/benchmarks/kms_fb_stress --device "sys:/sys/devices/platform/vkms"
+  sudo IGT_DEVICE="sys:/sys/devices/platform/vkms" ./build/benchmarks/kms_fb_stress
+
 TODO
 ====
 

---
base-commit: eeb8e8d9f124f279e80ae679f4ba6e822ce4f95f
change-id: 20240226-bench-vkms-5b8b7aab255e

Best regards,
-- 
Arthur Grillo <arthurgrillo@...eup.net>