diff options
Diffstat (limited to 'include/linux/ftrace.h')
-rw-r--r-- | include/linux/ftrace.h | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index e5ca8ef50e9..99d0fbcbaf7 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -89,6 +89,9 @@ typedef void (*ftrace_func_t)(unsigned long ip, unsigned long parent_ip, * that the call back has its own recursion protection. If it does * not set this, then the ftrace infrastructure will add recursion * protection for the caller. + * STUB - The ftrace_ops is just a place holder. + * INITIALIZED - The ftrace_ops has already been initialized (first use time + * register_ftrace_function() is called, it will initialized the ops) */ enum { FTRACE_OPS_FL_ENABLED = 1 << 0, @@ -98,6 +101,8 @@ enum { FTRACE_OPS_FL_SAVE_REGS = 1 << 4, FTRACE_OPS_FL_SAVE_REGS_IF_SUPPORTED = 1 << 5, FTRACE_OPS_FL_RECURSION_SAFE = 1 << 6, + FTRACE_OPS_FL_STUB = 1 << 7, + FTRACE_OPS_FL_INITIALIZED = 1 << 8, }; struct ftrace_ops { @@ -108,6 +113,7 @@ struct ftrace_ops { #ifdef CONFIG_DYNAMIC_FTRACE struct ftrace_hash *notrace_hash; struct ftrace_hash *filter_hash; + struct mutex regex_lock; #endif }; @@ -259,8 +265,10 @@ struct ftrace_probe_ops { void (*func)(unsigned long ip, unsigned long parent_ip, void **data); - int (*callback)(unsigned long ip, void **data); - void (*free)(void **data); + int (*init)(struct ftrace_probe_ops *ops, + unsigned long ip, void **data); + void (*free)(struct ftrace_probe_ops *ops, + unsigned long ip, void **data); int (*print)(struct seq_file *m, unsigned long ip, struct ftrace_probe_ops *ops, @@ -394,7 +402,6 @@ ssize_t ftrace_filter_write(struct file *file, const char __user *ubuf, size_t cnt, loff_t *ppos); ssize_t ftrace_notrace_write(struct file *file, const char __user *ubuf, size_t cnt, loff_t *ppos); -loff_t ftrace_regex_lseek(struct file *file, loff_t offset, int whence); int ftrace_regex_release(struct inode *inode, struct file *file); void __init @@ -567,6 +574,8 @@ static inline int ftrace_regex_release(struct inode *inode, struct file *file) { return -ENODEV; } #endif /* CONFIG_DYNAMIC_FTRACE */ +loff_t ftrace_filter_lseek(struct file *file, loff_t offset, int whence); + /* totally disable ftrace - can not re-enable after this */ void ftrace_kill(void); |