diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/ftrace.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 740c97dcf9c..90dbc0ee204 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -32,6 +32,24 @@ extern void mcount(void); # define clear_ftrace_function(ops) do { } while (0) #endif /* CONFIG_FTRACE */ +#ifdef CONFIG_DYNAMIC_FTRACE +# define FTRACE_HASHBITS 10 +# define FTRACE_HASHSIZE (1<<FTRACE_HASHBITS) + +struct dyn_ftrace { + struct hlist_node node; + unsigned long ip; +}; + +/* defined in arch */ +extern struct dyn_ftrace * +ftrace_alloc_shutdown_node(unsigned long ip); +extern int ftrace_shutdown_arch_init(void); +extern void ftrace_code_disable(struct dyn_ftrace *rec); +extern void ftrace_startup_code(void); +extern void ftrace_shutdown_code(void); +extern void ftrace_shutdown_replenish(void); +#endif #ifdef CONFIG_FRAME_POINTER /* TODO: need to fix this for ARM */ |