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Commit 962b7c10 authored by Patrick Bellasi's avatar Patrick Bellasi Committed by John Stultz
Browse files

DEBUG: sched/tune: add tracepoint for task boost signal 



Change-Id: I545d3bf5569fc41c0fa70f51dff9a19c11d532ee
Signed-off-by: default avatarPatrick Bellasi <patrick.bellasi@arm.com>
parent 687fa2dc

include/trace/events/sched.h

+30 −0
Original line number Diff line number Diff line
@@ -764,6 +764,36 @@ TRACE_EVENT(sched_tune_boostgroup_update, 
		__entry->cpu, __entry->variation, __entry->max_boost)

);



/*

 * Tracepoint for accounting task boosted utilization

 */

TRACE_EVENT(sched_boost_task,



	TP_PROTO(struct task_struct *tsk, unsigned long util, unsigned long margin),



	TP_ARGS(tsk, util, margin),



	TP_STRUCT__entry(

		__array( char,	comm,	TASK_COMM_LEN		)

		__field( pid_t,		pid			)

		__field( unsigned long,	util			)

		__field( unsigned long,	margin			)



	),



	TP_fast_assign(

		memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);

		__entry->pid	= tsk->pid;

		__entry->util	= util;

		__entry->margin	= margin;

	),



	TP_printk("comm=%s pid=%d util=%lu margin=%lu",

		  __entry->comm, __entry->pid,

		  __entry->util,

		  __entry->margin)

);



#endif /* _TRACE_SCHED_H */



/* This part must be outside protection */

kernel/sched/fair.c

+2 −0
Original line number Diff line number Diff line
@@ -5283,6 +5283,8 @@ boosted_task_util(struct task_struct *task) 
	unsigned long util = task_util(task);

	unsigned long margin = schedtune_task_margin(task);



	trace_sched_boost_task(task, util, margin);



	return util + margin;

}