drm/i915: Include priority and completed status in request in/out tracepoints

Commit Message

Tvrtko Ursulin May 4, 2018, 11:56 a.m. UTC

From: Tvrtko Ursulin <[e-mail]>

It is useful to see the priority as requests are coming in and completed
status as requests are coming out of the GPU.

To achieve this in a more readable way we need to abandon the common
request_hw tracepoint class.

Signed-off-by: Tvrtko Ursulin <[e-mail]>
---
 drivers/gpu/drm/i915/i915_trace.h | 93 ++++++++++++++++++++++++---------------
 1 file changed, 58 insertions(+), 35 deletions(-)

Comments

Chris Wilson May 4, 2018, 12:05 p.m. UTC | #1

Quoting Tvrtko Ursulin (2018-05-04 12:56:43)
> From: Tvrtko Ursulin <[e-mail]>
> 
> It is useful to see the priority as requests are coming in and completed
> status as requests are coming out of the GPU.
> 
> To achieve this in a more readable way we need to abandon the common
> request_hw tracepoint class.
> 
> Signed-off-by: Tvrtko Ursulin <[e-mail]>
Reviewed-by: Chris Wilson <[e-mail]>
-Chris

Patch

diff --git a/drivers/gpu/drm/i915/i915_trace.h b/drivers/gpu/drm/i915/i915_trace.h
index 408827bf5d96..77ee5e53eb32 100644
--- a/drivers/gpu/drm/i915/i915_trace.h
+++ b/drivers/gpu/drm/i915/i915_trace.h
@@ -679,45 +679,68 @@  DEFINE_EVENT(i915_request, i915_request_execute,
 	     TP_ARGS(rq)
 );
 
-DECLARE_EVENT_CLASS(i915_request_hw,
-		    TP_PROTO(struct i915_request *rq, unsigned int port),
-		    TP_ARGS(rq, port),
-
-		    TP_STRUCT__entry(
-				     __field(u32, dev)
-				     __field(u32, hw_id)
-				     __field(u32, ring)
-				     __field(u32, ctx)
-				     __field(u32, seqno)
-				     __field(u32, global_seqno)
-				     __field(u32, port)
-				    ),
-
-		    TP_fast_assign(
-				   __entry->dev = rq->i915->drm.primary->index;
-				   __entry->hw_id = rq->ctx->hw_id;
-				   __entry->ring = rq->engine->id;
-				   __entry->ctx = rq->fence.context;
-				   __entry->seqno = rq->fence.seqno;
-				   __entry->global_seqno = rq->global_seqno;
-				   __entry->port = port;
-				  ),
-
-		    TP_printk("dev=%u, hw_id=%u, ring=%u, ctx=%u, seqno=%u, global=%u, port=%u",
-			      __entry->dev, __entry->hw_id, __entry->ring,
-			      __entry->ctx, __entry->seqno,
-			      __entry->global_seqno, __entry->port)
-);
+TRACE_EVENT(i915_request_in,
+	    TP_PROTO(struct i915_request *rq, unsigned int port),
+	    TP_ARGS(rq, port),
+
+	    TP_STRUCT__entry(
+			     __field(u32, dev)
+			     __field(u32, hw_id)
+			     __field(u32, ring)
+			     __field(u32, ctx)
+			     __field(u32, seqno)
+			     __field(u32, global_seqno)
+			     __field(u32, port)
+			     __field(u32, prio)
+			    ),
 
-DEFINE_EVENT(i915_request_hw, i915_request_in,
-	     TP_PROTO(struct i915_request *rq, unsigned int port),
-	     TP_ARGS(rq, port)
+	    TP_fast_assign(
+			   __entry->dev = rq->i915->drm.primary->index;
+			   __entry->hw_id = rq->ctx->hw_id;
+			   __entry->ring = rq->engine->id;
+			   __entry->ctx = rq->fence.context;
+			   __entry->seqno = rq->fence.seqno;
+			   __entry->global_seqno = rq->global_seqno;
+			   __entry->prio = rq->sched.attr.priority;
+			   __entry->port = port;
+			   ),
+
+	    TP_printk("dev=%u, hw_id=%u, ring=%u, ctx=%u, seqno=%u, prio=%u, global=%u, port=%u",
+		      __entry->dev, __entry->hw_id, __entry->ring, __entry->ctx,
+		      __entry->seqno, __entry->prio, __entry->global_seqno,
+		      __entry->port)
 );
 
-DEFINE_EVENT(i915_request, i915_request_out,
-	     TP_PROTO(struct i915_request *rq),
-	     TP_ARGS(rq)
+TRACE_EVENT(i915_request_out,
+	    TP_PROTO(struct i915_request *rq),
+	    TP_ARGS(rq),
+
+	    TP_STRUCT__entry(
+			     __field(u32, dev)
+			     __field(u32, hw_id)
+			     __field(u32, ring)
+			     __field(u32, ctx)
+			     __field(u32, seqno)
+			     __field(u32, global_seqno)
+			     __field(u32, completed)
+			    ),
+
+	    TP_fast_assign(
+			   __entry->dev = rq->i915->drm.primary->index;
+			   __entry->hw_id = rq->ctx->hw_id;
+			   __entry->ring = rq->engine->id;
+			   __entry->ctx = rq->fence.context;
+			   __entry->seqno = rq->fence.seqno;
+			   __entry->global_seqno = rq->global_seqno;
+			   __entry->completed = i915_request_completed(rq);
+			   ),
+
+		    TP_printk("dev=%u, hw_id=%u, ring=%u, ctx=%u, seqno=%u, global=%u, completed?=%u",
+			      __entry->dev, __entry->hw_id, __entry->ring,
+			      __entry->ctx, __entry->seqno,
+			      __entry->global_seqno, __entry->completed)
 );
+
 #else
 #if !defined(TRACE_HEADER_MULTI_READ)
 static inline void