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Commit 4ac3ba41 authored by Ingo Molnar's avatar Ingo Molnar Committed by Thomas Gleixner
Browse files

ftrace: trace scheduler rbtree 



Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 1a3c3034

kernel/trace/trace.c

+1 −0
Original line number Diff line number Diff line
@@ -129,6 +129,7 @@ static const char *trace_options[] = { 
	"bin",

	"block",

	"stacktrace",

	"sched-tree",

	NULL

};

kernel/trace/trace.h

+1 −0
Original line number Diff line number Diff line
@@ -286,6 +286,7 @@ enum trace_iterator_flags { 
	TRACE_ITER_BIN			= 0x40,

	TRACE_ITER_BLOCK		= 0x80,

	TRACE_ITER_STACKTRACE		= 0x100,

	TRACE_ITER_SCHED_TREE		= 0x200,

};



#endif /* _LINUX_KERNEL_TRACE_H */

kernel/trace/trace_sched_switch.c

+4 −2
Original line number Diff line number Diff line
@@ -36,6 +36,7 @@ ctx_switch_func(void *__rq, struct task_struct *prev, struct task_struct *next) 


	if (likely(disabled == 1)) {

		tracing_sched_switch_trace(tr, data, prev, next, flags);

		if (trace_flags & TRACE_ITER_SCHED_TREE)

			ftrace_all_fair_tasks(__rq, tr, data);

	}
@@ -62,6 +63,7 @@ wakeup_func(void *__rq, struct task_struct *wakee, struct task_struct *curr) 


	if (likely(disabled == 1)) {

		tracing_sched_wakeup_trace(tr, data, wakee, curr, flags);

		if (trace_flags & TRACE_ITER_SCHED_TREE)

			ftrace_all_fair_tasks(__rq, tr, data);

	}