drm/xe/trace: Optimize trace definition

Make use of EVENT_CLASS to group similar trace events
Signed-off-by: Balasubramani Vivekanandan <balasubramani.vivekanandan@intel.com>
Reviewed-by: Haridhar Kalvala <haridhar.kalvala@intel.com>
Link: https://lore.kernel.org/intel-xe/20231019093140.1901665-3-balasubramani.vivekanandan@intel.com/Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

drivers/gpu/drm/xe/xe_trace.h

@@ -518,10 +518,10 @@ DEFINE_EVENT(xe_vm, xe_vm_rebind_worker_exit,
 	     TP_ARGS(vm)
 );
 
-TRACE_EVENT(xe_guc_ct_h2g_flow_control,
+/* GuC */
+DECLARE_EVENT_CLASS(xe_guc_ct_flow_control,
 		    TP_PROTO(u32 _head, u32 _tail, u32 size, u32 space, u32 len),
 		    TP_ARGS(_head, _tail, size, space, len),
-/* GuC */
 
 		    TP_STRUCT__entry(
 			     __field(u32, _head)
@@ -539,32 +539,21 @@ TRACE_EVENT(xe_guc_ct_h2g_flow_control,
 			   __entry->len = len;
 			   ),
 
-	    TP_printk("head=%u, tail=%u, size=%u, space=%u, len=%u",
+		    TP_printk("h2g flow control: head=%u, tail=%u, size=%u, space=%u, len=%u",
 			      __entry->_head, __entry->_tail, __entry->size,
 			      __entry->space, __entry->len)
 );
 
-TRACE_EVENT(xe_guc_ct_g2h_flow_control,
+DEFINE_EVENT(xe_guc_ct_flow_control, xe_guc_ct_h2g_flow_control,
 	     TP_PROTO(u32 _head, u32 _tail, u32 size, u32 space, u32 len),
-	    TP_ARGS(_head, _tail, size, space, len),
-
-	    TP_STRUCT__entry(
-		     __field(u32, _head)
-		     __field(u32, _tail)
-		     __field(u32, size)
-		     __field(u32, space)
-		     __field(u32, len)
-		     ),
+	     TP_ARGS(_head, _tail, size, space, len)
+);
 
-	    TP_fast_assign(
-		   __entry->_head = _head;
-		   __entry->_tail = _tail;
-		   __entry->size = size;
-		   __entry->space = space;
-		   __entry->len = len;
-		   ),
+DEFINE_EVENT_PRINT(xe_guc_ct_flow_control, xe_guc_ct_g2h_flow_control,
+		   TP_PROTO(u32 _head, u32 _tail, u32 size, u32 space, u32 len),
+		   TP_ARGS(_head, _tail, size, space, len),
 
-	    TP_printk("head=%u, tail=%u, size=%u, space=%u, len=%u",
+		   TP_printk("g2h flow control: head=%u, tail=%u, size=%u, space=%u, len=%u",
 			     __entry->_head, __entry->_tail, __entry->size,
 			     __entry->space, __entry->len)
 );