From: Daniel Vetter <daniel@ffwll.ch>
To: Nicolas Kalkhof <nkalkhof@web.de>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>,
intel-gfx <intel-gfx@lists.freedesktop.org>
Subject: Re: [PATCH] drm/i915: protect force_wake_(get|put) with the gt_lock
Date: Mon, 7 Nov 2011 19:36:28 +0100 [thread overview]
Message-ID: <20111107183627.GD4015@phenom.ffwll.local> (raw)
In-Reply-To: <1006134900.1618901.1320689675912.JavaMail.fmail@mwmweb015>
On Mon, Nov 07, 2011 at 07:14:35PM +0100, Nicolas Kalkhof wrote:
> ok here is the sysprof result (see below). No cpu/gpu intensive apps are
> running, just the idling desktop. CPU Temperature is low and frequency
> is throttled down to 800 MHz like it should be. The System is responsive
> and behaves normal but top shows full cpu load. Honestly I cannot see
> the reason why X and gkrellm should eat up all the gpu since they
> clearly don't hog the cpu. Maybe the kernel reports wrong cpu stats?
> Then again the load goes down when I kill X! Hope this gives you a clue.
On a quick look it seems that at least X is busy-spinning in the select
loop and gkrellm seems to be eqally busy doing not much. Have you tried
what happens when you kill gkrellm?
Otherwise I think it's time for a bit of bisecting.
-Daniel
--
Daniel Vetter
Mail: daniel@ffwll.ch
Mobile: +41 (0)79 365 57 48
next prev parent reply other threads:[~2011-11-07 18:35 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-07 18:14 [PATCH] drm/i915: protect force_wake_(get|put) with the gt_lock Nicolas Kalkhof
2011-11-07 18:36 ` Daniel Vetter [this message]
-- strict thread matches above, loose matches on Subject: below --
2011-11-09 16:22 Nicolas Kalkhof
2011-11-09 16:28 ` Daniel Vetter
2011-11-07 17:31 Nicolas Kalkhof
2011-11-07 16:39 Nicolas Kalkhof
2011-11-07 16:56 ` Daniel Vetter
2011-11-07 13:52 Nicolas Kalkhof
2011-11-07 16:05 ` Daniel Vetter
2011-11-06 17:42 Nicolas Kalkhof
2011-11-06 17:46 ` Daniel Vetter
2011-11-06 10:46 [PATCH 1/2] drm/i915: properly lock gt_fifo_count Daniel Vetter
2011-11-06 11:31 ` [PATCH] drm/i915: protect force_wake_(get|put) with the gt_lock Daniel Vetter
2011-11-06 11:57 ` Chris Wilson
2011-11-06 12:35 ` Daniel Vetter
2011-11-06 21:01 ` Chris Wilson
2011-11-06 22:06 ` Daniel Vetter
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