> -----Original Message----- > From: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Sent: Wednesday, October 2, 2019 4:20 AM > To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx > Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>; Joonas Lahtinen > <joonas.lahtinen@xxxxxxxxxxxxxxx>; Ursulin, Tvrtko <tvrtko.ursulin@xxxxxxxxx>; > Bloomfield, Jon <jon.bloomfield@xxxxxxxxx> > Subject: [PATCH 21/30] drm/i915: Replace hangcheck by heartbeats > > 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. > > The heartbeat interval can be adjusted per-engine using, > > /sys/class/drm/card0/engine/*/heartbeat_interval_ms Not true for discrete :-) Perhaps: /sys/class/drm/card<n>/engine/*/heartbeat_interval_ms And again in the code below. _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx