> -Original Message-
> From: Joonas Lahtinen
> Sent: Monday, July 29, 2019 5:50 AM
> To: Bloomfield, Jon ; intel-
> g...@lists.freedesktop.org; Chris Wilson
> Cc: Ursulin, Tvrtko
> Subject: RE: [PATCH] drm/i915: Replace hangcheck by heartbeats
>
> Quoting Chris Wilson (2019-07-29 12:45:
Quoting Chris Wilson (2019-07-29 12:45:52)
> Quoting Joonas Lahtinen (2019-07-29 10:26:47)
> > Ok, so just confirming here. The plan is still to have userspace set a
> > per context (or per request) time limit for expected completion of a
> > request. This will be useful for the media workloads tha
Quoting Chris Wilson (2019-07-27 01:27:02)
> Quoting Bloomfield, Jon (2019-07-26 23:19:38)
> > Hmmn. We're still on orthogonal perspectives as far as our previous
> > arguments stand. But it doesn't matter because while thinking through your
> > replies, I realized there is one argument in favour
Quoting Joonas Lahtinen (2019-07-29 10:26:47)
> Quoting Chris Wilson (2019-07-27 01:27:02)
> > Quoting Bloomfield, Jon (2019-07-26 23:19:38)
> > > Hmmn. We're still on orthogonal perspectives as far as our previous
> > > arguments stand. But it doesn't matter because while thinking through
> > >
Quoting Bloomfield, Jon (2019-07-26 23:19:38)
> Hmmn. We're still on orthogonal perspectives as far as our previous arguments
> stand. But it doesn't matter because while thinking through your replies, I
> realized there is one argument in favour, which trumps all my previous
> arguments against
Hmmn. We're still on orthogonal perspectives as far as our previous arguments
stand. But it doesn't matter because while thinking through your replies, I
realized there is one argument in favour, which trumps all my previous
arguments against this patch - it makes things deterministic. Without t
Quoting Bloomfield, Jon (2019-07-26 21:58:38)
> > From: Chris Wilson
> > It's no more often than before, you have to fail to advance within an
> > interval, and then deny preemption request.
>
> It's entrapment. You are creating an artificial workload for the context to
> impede. Before that art
> -Original Message-
> From: Chris Wilson
> Sent: Friday, July 26, 2019 1:11 PM
> To: Bloomfield, Jon ; intel-
> g...@lists.freedesktop.org
> Cc: Joonas Lahtinen ; Ursulin, Tvrtko
>
> Subject: RE: [PATCH] drm/i915: Replace hangcheck by heartbeats
>
> Quoting Bloomfield, Jon (2019-07-26 1
Quoting Bloomfield, Jon (2019-07-26 16:00:06)
> > -Original Message-
> > From: Chris Wilson
> > Sent: Thursday, July 25, 2019 4:52 PM
> > To: Bloomfield, Jon ; intel-
> > g...@lists.freedesktop.org
> > Cc: Joonas Lahtinen ; Ursulin, Tvrtko
> >
> > Subject: RE: [PATCH] drm/i915: Replace ha
> -Original Message-
> From: Chris Wilson
> Sent: Thursday, July 25, 2019 4:52 PM
> To: Bloomfield, Jon ; intel-
> g...@lists.freedesktop.org
> Cc: Joonas Lahtinen ; Ursulin, Tvrtko
>
> Subject: RE: [PATCH] drm/i915: Replace hangcheck by heartbeats
>
> Quoting Bloomfield, Jon (2019-07-26
Quoting Bloomfield, Jon (2019-07-26 00:41:49)
> > -Original Message-
> > From: Chris Wilson
> > Sent: Thursday, July 25, 2019 4:28 PM
> > To: Bloomfield, Jon ; intel-
> > g...@lists.freedesktop.org
> > Cc: Joonas Lahtinen ; Ursulin, Tvrtko
> >
> > Subject: RE: [PATCH] drm/i915: Replace ha
> -Original Message-
> From: Chris Wilson
> Sent: Thursday, July 25, 2019 4:28 PM
> To: Bloomfield, Jon ; intel-
> g...@lists.freedesktop.org
> Cc: Joonas Lahtinen ; Ursulin, Tvrtko
>
> Subject: RE: [PATCH] drm/i915: Replace hangcheck by heartbeats
>
> Quoting Bloomfield, Jon (2019-07-26
Quoting Bloomfield, Jon (2019-07-26 00:21:47)
> > -Original Message-
> > From: Chris Wilson
> > Sent: Thursday, July 25, 2019 4:17 PM
> > To: intel-gfx@lists.freedesktop.org
> > Cc: Chris Wilson ; Joonas Lahtinen
> > ; Ursulin, Tvrtko
> > ;
> > Bloomfield, Jon
> > Subject: [PATCH] drm/i9
> -Original Message-
> From: Chris Wilson
> Sent: Thursday, July 25, 2019 4:17 PM
> To: intel-gfx@lists.freedesktop.org
> Cc: Chris Wilson ; Joonas Lahtinen
> ; Ursulin, Tvrtko ;
> Bloomfield, Jon
> Subject: [PATCH] drm/i915: Replace hangcheck by heartbeats
>
> Replace sampling the engin
Replace sampling the engine state every so often with a periodic
heartbeat request to measure the health of an engine. This is coupled
with the forced-preemption to allow long running requests to survive so
long as they do not block other users.
Signed-off-by: Chris Wilson
Cc: Joonas Lahtinen
Cc
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