drm/i915: Move the conditional seqno query into the tracepoint
authorChris Wilson <chris@chris-wilson.co.uk>
Mon, 23 Sep 2013 20:33:19 +0000 (17:33 -0300)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Tue, 1 Oct 2013 05:45:22 +0000 (07:45 +0200)
We only wish to know the value of seqno when emitting the tracepoint, so
move the query from a parameter to the macro to inside the conditional
macro body so that the query is only evaluated when required.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/i915_irq.c
drivers/gpu/drm/i915/i915_trace.h

index b356dc15adda166309b7e845841614b83588d532..84b7efc6ee9126236a90d57956ba7b20e81a780e 100644 (file)
@@ -807,7 +807,7 @@ static void notify_ring(struct drm_device *dev,
        if (ring->obj == NULL)
                return;
 
-       trace_i915_gem_request_complete(ring, ring->get_seqno(ring, false));
+       trace_i915_gem_request_complete(ring);
 
        wake_up_all(&ring->irq_queue);
        i915_queue_hangcheck(dev);
index 403309bf04525c10b37c0bf3b43024ee22851f5f..daa6fdf4d8ba6c41e2e1422c048cead85f59543c 100644 (file)
@@ -319,9 +319,24 @@ DEFINE_EVENT(i915_gem_request, i915_gem_request_add,
            TP_ARGS(ring, seqno)
 );
 
-DEFINE_EVENT(i915_gem_request, i915_gem_request_complete,
-           TP_PROTO(struct intel_ring_buffer *ring, u32 seqno),
-           TP_ARGS(ring, seqno)
+TRACE_EVENT(i915_gem_request_complete,
+           TP_PROTO(struct intel_ring_buffer *ring),
+           TP_ARGS(ring),
+
+           TP_STRUCT__entry(
+                            __field(u32, dev)
+                            __field(u32, ring)
+                            __field(u32, seqno)
+                            ),
+
+           TP_fast_assign(
+                          __entry->dev = ring->dev->primary->index;
+                          __entry->ring = ring->id;
+                          __entry->seqno = ring->get_seqno(ring, false);
+                          ),
+
+           TP_printk("dev=%u, ring=%u, seqno=%u",
+                     __entry->dev, __entry->ring, __entry->seqno)
 );
 
 DEFINE_EVENT(i915_gem_request, i915_gem_request_retire,