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
......@@ -129,6 +129,7 @@ static const char *trace_options[] = {
"bin",
"block",
"stacktrace",
"sched-tree",
NULL
};
......
......@@ -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 */
......@@ -36,7 +36,8 @@ 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);
ftrace_all_fair_tasks(__rq, tr, data);
if (trace_flags & TRACE_ITER_SCHED_TREE)
ftrace_all_fair_tasks(__rq, tr, data);
}
atomic_dec(&data->disabled);
......@@ -62,7 +63,8 @@ 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);
ftrace_all_fair_tasks(__rq, tr, data);
if (trace_flags & TRACE_ITER_SCHED_TREE)
ftrace_all_fair_tasks(__rq, tr, data);
}
atomic_dec(&data->disabled);
......
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