diff options
| author | Steven Rostedt <srostedt@redhat.com> | 2011-12-19 21:57:44 -0500 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2011-12-21 07:26:35 -0500 |
| commit | 2a85a37f168d2b4d74d493b578af4dc9032be92e (patch) | |
| tree | 26ed7136e9092e61ae693e117a540045ec5d54a0 | |
| parent | d2d45c7a03a2b1a14159cbb665e9dd60991a7d4f (diff) | |
ftrace: Allow access to the boot time function enabling
Change set_ftrace_early_filter() to ftrace_set_early_filter()
and make it a global function. This will allow other subsystems
in the kernel to be able to enable function tracing at start
up and reuse the ftrace function parsing code.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| -rw-r--r-- | include/linux/ftrace.h | 3 | ||||
| -rw-r--r-- | kernel/trace/ftrace.c | 8 |
2 files changed, 7 insertions, 4 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index d1ff0de1897..41df6f50165 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -235,6 +235,9 @@ ssize_t ftrace_notrace_write(struct file *file, const char __user *ubuf, loff_t ftrace_regex_lseek(struct file *file, loff_t offset, int origin); int ftrace_regex_release(struct inode *inode, struct file *file); +void __init +ftrace_set_early_filter(struct ftrace_ops *ops, char *buf, int enable); + /* defined in arch */ extern int ftrace_ip_converted(unsigned long ip); extern int ftrace_dyn_arch_init(void *data); diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 5728d9aa632..683d559a0ee 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -3279,8 +3279,8 @@ static void __init set_ftrace_early_graph(char *buf) } #endif /* CONFIG_FUNCTION_GRAPH_TRACER */ -static void __init -set_ftrace_early_filter(struct ftrace_ops *ops, char *buf, int enable) +void __init +ftrace_set_early_filter(struct ftrace_ops *ops, char *buf, int enable) { char *func; @@ -3293,9 +3293,9 @@ set_ftrace_early_filter(struct ftrace_ops *ops, char *buf, int enable) static void __init set_ftrace_early_filters(void) { if (ftrace_filter_buf[0]) - set_ftrace_early_filter(&global_ops, ftrace_filter_buf, 1); + ftrace_set_early_filter(&global_ops, ftrace_filter_buf, 1); if (ftrace_notrace_buf[0]) - set_ftrace_early_filter(&global_ops, ftrace_notrace_buf, 0); + ftrace_set_early_filter(&global_ops, ftrace_notrace_buf, 0); #ifdef CONFIG_FUNCTION_GRAPH_TRACER if (ftrace_graph_buf[0]) set_ftrace_early_graph(ftrace_graph_buf); |