diff options
Diffstat (limited to 'include/linux/ftrace.h')
-rw-r--r-- | include/linux/ftrace.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 449fa8e9e34f..11cac81eed08 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h | |||
@@ -401,6 +401,16 @@ static inline int task_curr_ret_stack(struct task_struct *t) | |||
401 | { | 401 | { |
402 | return t->curr_ret_stack; | 402 | return t->curr_ret_stack; |
403 | } | 403 | } |
404 | |||
405 | static inline void pause_graph_tracing(void) | ||
406 | { | ||
407 | atomic_inc(¤t->tracing_graph_pause); | ||
408 | } | ||
409 | |||
410 | static inline void unpause_graph_tracing(void) | ||
411 | { | ||
412 | atomic_dec(¤t->tracing_graph_pause); | ||
413 | } | ||
404 | #else | 414 | #else |
405 | 415 | ||
406 | #define __notrace_funcgraph | 416 | #define __notrace_funcgraph |
@@ -412,6 +422,9 @@ static inline int task_curr_ret_stack(struct task_struct *tsk) | |||
412 | { | 422 | { |
413 | return -1; | 423 | return -1; |
414 | } | 424 | } |
425 | |||
426 | static inline void pause_graph_tracing(void) { } | ||
427 | static inline void unpause_graph_tracing(void) { } | ||
415 | #endif | 428 | #endif |
416 | 429 | ||
417 | #ifdef CONFIG_TRACING | 430 | #ifdef CONFIG_TRACING |