linux-kernel - Re: [PATCH 15/17] cgroup/drm: Expose GPU utilisation

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Message-ID: <ZLsEomsuxoy-YnkA@slm.duckdns.org>
Date:   Fri, 21 Jul 2023 12:20:18 -1000
From:   Tejun Heo <tj@...nel.org>
To:     Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>
Cc:     Intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
        Johannes Weiner <hannes@...xchg.org>,
        Zefan Li <lizefan.x@...edance.com>,
        Dave Airlie <airlied@...hat.com>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Rob Clark <robdclark@...omium.org>,
        Stéphane Marchesin <marcheu@...omium.org>,
        "T . J . Mercier" <tjmercier@...gle.com>, Kenny.Ho@....com,
        Christian König <christian.koenig@....com>,
        Brian Welty <brian.welty@...el.com>,
        Tvrtko Ursulin <tvrtko.ursulin@...el.com>,
        Eero Tamminen <eero.t.tamminen@...el.com>
Subject: Re: [PATCH 15/17] cgroup/drm: Expose GPU utilisation

On Fri, Jul 21, 2023 at 12:19:32PM -1000, Tejun Heo wrote:
> On Wed, Jul 12, 2023 at 12:46:03PM +0100, Tvrtko Ursulin wrote:
> > +  drm.active_us
> > +	GPU time used by the group recursively including all child groups.
> 
> Maybe instead add drm.stat and have "usage_usec" inside? That'd be more
> consistent with cpu side.

Also, shouldn't this be keyed by the drm device?

-- 
tejun