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tracing: Improve message of empty set_graph_notrace file 

When there's no entry in set_graph_notrace, it'll print below message

  #### all functions enabled ####

While this is technically correct, it's better to print like below:

  #### no functions disabled ####

Link: http://lkml.kernel.org/p/1402590233-22321-3-git-send-email-namhyung@kernel.org

Reported-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Namhyung Kim 2014-06-13 01:23:51 +09:00 committed by Steven Rostedt
parent 0d7d9a16ce
commit 280d1429b6
1 changed files with 6 additions and 1 deletions
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7
kernel/trace/ftrace.c
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@ -4089,7 +4089,12 @@ static int g_show(struct seq_file *m, void *v)
return 0;
if (ptr == (unsigned long *)1) {
seq_printf(m, "#### all functions enabled ####\n");
struct ftrace_graph_data *fgd = m->private;
if (fgd->table == ftrace_graph_funcs)
seq_printf(m, "#### all functions enabled ####\n");
else
seq_printf(m, "#### no functions disabled ####\n");
return 0;
}