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From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
To: Chris Wilson <chris@chris-wilson.co.uk>, Intel-gfx@lists.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH 2/5] drm/i915: Expose list of clients in sysfs
Date: Mon, 16 Dec 2019 13:28:18 +0000	[thread overview]
Message-ID: <7979138a-e88a-abfa-b69e-86df820c30c4@linux.intel.com> (raw)
In-Reply-To: <157650225139.2428.9564824266116523055@skylake-alporthouse-com>


On 16/12/2019 13:17, Chris Wilson wrote:
> Quoting Tvrtko Ursulin (2019-12-16 12:07:01)
>> From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
>>
>> 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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  reply	other threads:[~2019-12-16 13:28 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-16 12:06 [Intel-gfx] [PATCH 0/5] Per client engine busyness Tvrtko Ursulin
2019-12-16 12:07 ` [Intel-gfx] [PATCH 1/5] drm/i915: Track per-context " Tvrtko Ursulin
2019-12-16 12:40   ` Chris Wilson
2019-12-16 13:09     ` Tvrtko Ursulin
2020-01-30 18:05       ` Tvrtko Ursulin
2020-01-30 21:42         ` Chris Wilson
2019-12-16 12:07 ` [Intel-gfx] [PATCH 2/5] drm/i915: Expose list of clients in sysfs Tvrtko Ursulin
2019-12-16 12:51   ` Chris Wilson
2019-12-16 18:34     ` Tvrtko Ursulin
2019-12-16 12:53   ` Chris Wilson
2019-12-16 13:13     ` Tvrtko Ursulin
2019-12-17 17:21     ` Tvrtko Ursulin
2019-12-17 17:26       ` Chris Wilson
2019-12-16 12:55   ` Chris Wilson
2019-12-16 13:16     ` Tvrtko Ursulin
2019-12-16 13:17   ` Chris Wilson
2019-12-16 13:28     ` Tvrtko Ursulin [this message]
2019-12-16 13:41       ` Chris Wilson
2019-12-16 12:07 ` [Intel-gfx] [PATCH 3/5] drm/i915: Update client name on context create Tvrtko Ursulin
2019-12-16 12:57   ` Chris Wilson
2019-12-16 12:07 ` [Intel-gfx] [PATCH 4/5] drm/i915: Expose per-engine client busyness Tvrtko Ursulin
2019-12-16 12:07 ` [Intel-gfx] [PATCH 5/5] drm/i915: Add sysfs toggle to enable per-client engine stats Tvrtko Ursulin
2019-12-16 13:09 ` [Intel-gfx] [PATCH 0/5] Per client engine busyness Chris Wilson
2019-12-16 13:20   ` Tvrtko Ursulin
2019-12-16 17:45 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for " Patchwork
2019-12-16 17:58 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork

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