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authorMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>2012-06-05 19:28:08 +0900
committerSteven Rostedt <rostedt@goodmis.org>2012-07-31 10:29:55 -0400
commit647664eaf4033501739ac1f42dd52ce8c9266ccc (patch)
tree64497e4aedb7ec643cf5026d6cc5e1b9de77dcb2 /include
parentad97772ad82f57c83968079d0880c71ab126ab04 (diff)
downloadop-kernel-dev-647664eaf4033501739ac1f42dd52ce8c9266ccc.zip
op-kernel-dev-647664eaf4033501739ac1f42dd52ce8c9266ccc.tar.gz
ftrace: add ftrace_set_filter_ip() for address based filter
Add a new filter update interface ftrace_set_filter_ip() to set ftrace filter by ip address, not only glob pattern. Link: http://lkml.kernel.org/r/20120605102808.27845.67952.stgit@localhost.localdomain Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: "Frank Ch. Eigler" <fche@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/ftrace.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 9962e95..3e71112 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -317,6 +317,8 @@ struct dyn_ftrace {
};
int ftrace_force_update(void);
+int ftrace_set_filter_ip(struct ftrace_ops *ops, unsigned long ip,
+ int remove, int reset);
int ftrace_set_filter(struct ftrace_ops *ops, unsigned char *buf,
int len, int reset);
int ftrace_set_notrace(struct ftrace_ops *ops, unsigned char *buf,
@@ -544,6 +546,7 @@ static inline int ftrace_text_reserved(void *start, void *end)
*/
#define ftrace_regex_open(ops, flag, inod, file) ({ -ENODEV; })
#define ftrace_set_early_filter(ops, buf, enable) do { } while (0)
+#define ftrace_set_filter_ip(ops, ip, remove, reset) ({ -ENODEV; })
#define ftrace_set_filter(ops, buf, len, reset) ({ -ENODEV; })
#define ftrace_set_notrace(ops, buf, len, reset) ({ -ENODEV; })
#define ftrace_free_filter(ops) do { } while (0)
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