trace: Modify timer_start and irq_handler_entry trace events.

The timer_start event now shows whether the timer is
deferrable in case of a low-res timer. The debug_activate
function now includes deferrable flag while calling
trace_timer_start event. irq_handler_entry
event includes the ISR function in the trace event.

Change-Id: Ia2eeb4fa0fae34b301964144dad8bcef7632487c
Signed-off-by: Badhri Jagan Sridharan <badhris@codeaurora.org>
diff --git a/include/trace/events/timer.h b/include/trace/events/timer.h
index 425bcfe..dd53c79 100644
--- a/include/trace/events/timer.h
+++ b/include/trace/events/timer.h
@@ -43,15 +43,17 @@
  */
 TRACE_EVENT(timer_start,
 
-	TP_PROTO(struct timer_list *timer, unsigned long expires),
+	TP_PROTO(struct timer_list *timer,
+		 unsigned long expires, char deferrable),
 
-	TP_ARGS(timer, expires),
+	TP_ARGS(timer, expires, deferrable),
 
 	TP_STRUCT__entry(
 		__field( void *,	timer		)
 		__field( void *,	function	)
 		__field( unsigned long,	expires		)
 		__field( unsigned long,	now		)
+		__field(char,	deferrable)
 	),
 
 	TP_fast_assign(
@@ -59,11 +61,12 @@
 		__entry->function	= timer->function;
 		__entry->expires	= expires;
 		__entry->now		= jiffies;
+		__entry->deferrable     = deferrable;
 	),
 
-	TP_printk("timer=%p function=%pf expires=%lu [timeout=%ld]",
+	TP_printk("timer=%p function=%pf expires=%lu [timeout=%ld] defer=%c",
 		  __entry->timer, __entry->function, __entry->expires,
-		  (long)__entry->expires - __entry->now)
+		  (long)__entry->expires - __entry->now, __entry->deferrable)
 );
 
 /**