Commit 2c34a546 authored by Pierre-Eric Pelloux-Prayer's avatar Pierre-Eric Pelloux-Prayer Committed by Christian König
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drm: use drm_file client_name in fdinfo 



Add an optional drm-client-name field to drm fdinfo's output.

Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarTvrtko Ursulin <tvrtko.ursulin@igalia.com>
Signed-off-by: default avatarPierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241003124506.470931-3-pierre-eric.pelloux-prayer@amd.com


Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
parent 56c594d8

Documentation/gpu/drm-usage-stats.rst

+5 −0
Original line number Diff line number Diff line
@@ -73,6 +73,11 @@ scope of each device, in which case `drm-pdev` shall be present as well. 
Userspace should make sure to not double account any usage statistics by using

the above described criteria in order to associate data to individual clients.



- drm-client-name: <valstr>



String optionally set by userspace using DRM_IOCTL_SET_CLIENT_NAME.





Utilization

^^^^^^^^^^^

drivers/gpu/drm/drm_file.c

+5 −0
Original line number Diff line number Diff line
@@ -955,6 +955,11 @@ void drm_show_fdinfo(struct seq_file *m, struct file *f) 
			   PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn));

	}



	mutex_lock(&file->client_name_lock);

	if (file->client_name)

		drm_printf(&p, "drm-client-name:\t%s\n", file->client_name);

	mutex_unlock(&file->client_name_lock);



	if (dev->driver->show_fdinfo)

		dev->driver->show_fdinfo(&p, file);

}