From: Jens Axboe <axboe@kernel.dk>
To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: Limit busywaiting
Date: Thu, 19 Nov 2015 09:29:50 -0700 [thread overview]
Message-ID: <564DF8FE.1090708@kernel.dk> (raw)
In-Reply-To: <1447840568-20167-1-git-send-email-chris@chris-wilson.co.uk>
On 11/18/2015 02:56 AM, Chris Wilson wrote:
> This should filter out all explicit wait requests from userspace and
> only apply busywaiting to circumstances where we are forced to drain the
> GPU of old requests. With the 2 microsecond timeout from before, this
> still seems to preserve the speed up in stress tests and cancel the
> busywaiting for desktop loads.
Chris,
I tested these 3 on top of the previous 2us limit patch, and it seems to
work fine. You can add:
Tested-by: Jens Axboe <axboe@fb.com>
to them, if you'd like.
--
Jens Axboe
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next prev parent reply other threads:[~2015-11-19 16:29 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-15 13:32 [PATCH 1/2] drm/i915: Break busywaiting for requests on pending signals Chris Wilson
2015-11-15 13:32 ` Chris Wilson
2015-11-15 13:32 ` [PATCH 2/2] drm/i915: Limit the busy wait on requests to 2us not 10ms! Chris Wilson
2015-11-15 13:32 ` Chris Wilson
2015-11-15 17:48 ` Chris Wilson
2015-11-15 17:48 ` Chris Wilson
2015-11-16 10:24 ` Tvrtko Ursulin
2015-11-16 10:24 ` Tvrtko Ursulin
2015-11-16 11:12 ` Chris Wilson
2015-11-16 11:12 ` Chris Wilson
2015-11-16 12:08 ` Tvrtko Ursulin
2015-11-16 12:08 ` Tvrtko Ursulin
2015-11-16 12:55 ` Chris Wilson
2015-11-16 12:55 ` Chris Wilson
2015-11-16 13:09 ` Tvrtko Ursulin
2015-11-16 13:09 ` Tvrtko Ursulin
2015-11-16 13:30 ` [Intel-gfx] " Ville Syrjälä
2015-11-16 13:30 ` Ville Syrjälä
2015-11-16 16:48 ` Jens Axboe
2015-11-18 9:56 ` Limit busywaiting Chris Wilson
2015-11-18 9:56 ` [PATCH 1/3] drm/i915: Only spin whilst waiting on the current request Chris Wilson
2015-11-18 17:03 ` Daniel Vetter
2015-11-19 10:05 ` Tvrtko Ursulin
2015-11-19 10:12 ` Chris Wilson
2015-11-18 9:56 ` [PATCH 2/3] drm/i915: Convert __i915_wait_request to receive flags Chris Wilson
2015-11-18 9:56 ` [PATCH 3/3] drm/i915: Limit request busywaiting Chris Wilson
2015-11-19 15:22 ` Daniel Vetter
2015-11-19 16:29 ` Jens Axboe [this message]
2015-12-03 22:03 ` [PATCH 2/2] drm/i915: Limit the busy wait on requests to 2us not 10ms! Pavel Machek
2015-12-03 22:03 ` Pavel Machek
2015-11-16 9:54 ` [PATCH 1/2] drm/i915: Break busywaiting for requests on pending signals Tvrtko Ursulin
2015-11-16 9:54 ` Tvrtko Ursulin
2015-11-16 11:22 ` Chris Wilson
2015-11-16 11:22 ` Chris Wilson
2015-11-16 11:40 ` Tvrtko Ursulin
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