On 16/12/2019 13:17, Chris Wilson wrote:
Quoting Tvrtko Ursulin (2019-12-16 12:07:01)
From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Expose a list of clients with open file handles in sysfs.
This will be a basis for a top-like utility showing per-client and per-
engine GPU load.
Currently we only expose each client's pid and name under opaque numbered
directories in /sys/class/drm/card0/clients/.
For instance:
/sys/class/drm/card0/clients/3/name: Xorg
/sys/class/drm/card0/clients/3/pid: 5664
Should we even bother having the name here? And just have a link to pid
instead? Contemplating even pidfd for ultramodern.
I haven't looked at what symlink creation facilities sysfs would allow.
But even then, I don't see how we could link to proc from sysfs.
I had a quick read on pidfd and don't see how it fits. What did you have
in mind?
Regards,
Tvrtko
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