Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 8feedc45 authored by qctecmdr Service's avatar qctecmdr Service Committed by Gerrit - the friendly Code Review server
Browse files

Merge "trace: Add trace points for tasklet entry/exit"

parents 68e04e47 cfd8eead

include/trace/events/irq.h

+45 −0
Original line number Diff line number Diff line
@@ -160,6 +160,51 @@ DEFINE_EVENT(softirq, softirq_raise, 
	TP_ARGS(vec_nr)

);



DECLARE_EVENT_CLASS(tasklet,



	TP_PROTO(void *func),



	TP_ARGS(func),



	TP_STRUCT__entry(

		__field( void *,	func)

	),



	TP_fast_assign(

		__entry->func = func;

	),



	TP_printk("function=%pf", __entry->func)

);



DEFINE_EVENT(tasklet, tasklet_entry,



	TP_PROTO(void *func),



	TP_ARGS(func)

);



DEFINE_EVENT(tasklet, tasklet_exit,



	TP_PROTO(void *func),



	TP_ARGS(func)

);



DEFINE_EVENT(tasklet, tasklet_hi_entry,



	TP_PROTO(void *func),



	TP_ARGS(func)

);



DEFINE_EVENT(tasklet, tasklet_hi_exit,



	TP_PROTO(void *func),



	TP_ARGS(func)

);



#endif /*  _TRACE_IRQ_H */



/* This part must be outside protection */

kernel/softirq.c

+4 −0
Original line number Diff line number Diff line
@@ -514,7 +514,9 @@ static __latent_entropy void tasklet_action(struct softirq_action *a) 
				if (!test_and_clear_bit(TASKLET_STATE_SCHED,

							&t->state))

					BUG();

				trace_tasklet_entry(t->func);

				t->func(t->data);

				trace_tasklet_exit(t->func);

				tasklet_unlock(t);

				continue;

			}
@@ -550,7 +552,9 @@ static __latent_entropy void tasklet_hi_action(struct softirq_action *a) 
				if (!test_and_clear_bit(TASKLET_STATE_SCHED,

							&t->state))

					BUG();

				trace_tasklet_hi_entry(t->func);

				t->func(t->data);

				trace_tasklet_hi_exit(t->func);

				tasklet_unlock(t);

				continue;

			}