msm: kgsl: Add event tracepoints

Add tracepoints for tracking the lifespan of GPU events.

Change-Id: Ic0dedbadf99b1efcb650608c6ac664d3c4ddafd5
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
diff --git a/drivers/gpu/msm/kgsl_device.h b/drivers/gpu/msm/kgsl_device.h
index 36e7102..b215d8c 100644
--- a/drivers/gpu/msm/kgsl_device.h
+++ b/drivers/gpu/msm/kgsl_device.h
@@ -134,6 +134,7 @@
 	void *priv;
 	struct list_head list;
 	void *owner;
+	unsigned int created;
 };