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authorXiao Guangrong <xiaoguangrong@cn.fujitsu.com>2009-07-16 14:21:08 +0800
committerFrederic Weisbecker <fweisbec@gmail.com>2009-07-17 01:45:51 -0400
commit6f2f3cf00ee32f75ba007a46bab88a54d68a5deb (patch)
tree89aaab40d502c84e135b7e9e72b20bb7d498bc8c /kernel/trace/trace_functions.c
parent79173bf556417a737e9d2e096e0788452ec30a61 (diff)
tracing/function: Cleanup for function tracer
We can directly use %pf input format instead of kallsyms_lookup() and %s input format Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> Reviewed-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'kernel/trace/trace_functions.c')
-rw-r--r--kernel/trace/trace_functions.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/kernel/trace/trace_functions.c b/kernel/trace/trace_functions.c
index 7402144bff2..b53dc994dfb 100644
--- a/kernel/trace/trace_functions.c
+++ b/kernel/trace/trace_functions.c
@@ -288,11 +288,9 @@ static int
ftrace_trace_onoff_print(struct seq_file *m, unsigned long ip,
struct ftrace_probe_ops *ops, void *data)
{
- char str[KSYM_SYMBOL_LEN];
long count = (long)data;
- kallsyms_lookup(ip, NULL, NULL, NULL, str);
- seq_printf(m, "%s:", str);
+ seq_printf(m, "%pf:", (void *)ip);
if (ops == &traceon_probe_ops)
seq_printf(m, "traceon");