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drm/i915: Remove the intel_engine_notify tracepoint

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The global seqno is defunct and so we have no meaningful indicator of
forward progress for an engine. You need to listen to the request
signaling tracepoints instead.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190129205230.19056-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2019-01-29 20:52:28 +00:00
parent 68e94f62cf
commit 3df0bd1919
2 changed files with 0 additions and 27 deletions
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2
drivers/gpu/drm/i915/i915_irq.c
View File

@ -1227,8 +1227,6 @@ static void notify_ring(struct intel_engine_cs *engine)
wake_up_process(tsk);
rcu_read_unlock();
trace_intel_engine_notify(engine, wait);
}
static void vlv_c0_read(struct drm_i915_private *dev_priv,

25
drivers/gpu/drm/i915/i915_trace.h
View File

@ -750,31 +750,6 @@ trace_i915_request_out(struct i915_request *rq)
#endif
#endif
TRACE_EVENT(intel_engine_notify,
TP_PROTO(struct intel_engine_cs *engine, bool waiters),
TP_ARGS(engine, waiters),
TP_STRUCT__entry(
__field(u32, dev)
__field(u16, class)
__field(u16, instance)
__field(u32, seqno)
__field(bool, waiters)
),
TP_fast_assign(
__entry->dev = engine->i915->drm.primary->index;
__entry->class = engine->uabi_class;
__entry->instance = engine->instance;
__entry->seqno = intel_engine_get_seqno(engine);
__entry->waiters = waiters;
),
TP_printk("dev=%u, engine=%u:%u, seqno=%u, waiters=%u",
__entry->dev, __entry->class, __entry->instance,
__entry->seqno, __entry->waiters)
);
DEFINE_EVENT(i915_request, i915_request_retire,
TP_PROTO(struct i915_request *rq),
TP_ARGS(rq)