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authorSteven Rostedt <srostedt@redhat.com>2009-02-16 23:06:01 -0500
committerSteven Rostedt <srostedt@redhat.com>2009-02-16 23:06:01 -0500
commit809dcf29ce4e1723709910878e050bd187617e0e (patch)
tree4747ede5ad0678d6ae88176f403a2c26f277182e /kernel/trace/ftrace.c
parent8fc0c701c5b6c0c3e242758c3acef6f9047940a9 (diff)
ftrace: add pretty print to selected fuction traces
This patch adds a call back for the tracers that have hooks to selected functions. This allows the tracer to show better output in the set_ftrace_filter file. Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Diffstat (limited to 'kernel/trace/ftrace.c')
-rw-r--r--kernel/trace/ftrace.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 1e058848cdd..6533c1d2015 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -834,6 +834,9 @@ static int t_hash_show(struct seq_file *m, void *v)
rec = hlist_entry(hnd, struct ftrace_func_hook, node);
+ if (rec->ops->print)
+ return rec->ops->print(m, rec->ip, rec->ops, rec->data);
+
kallsyms_lookup(rec->ip, NULL, NULL, NULL, str);
seq_printf(m, "%s:", str);