Messages in this thread Patch in this message | | | Date | Thu, 03 Jul 2014 12:05:22 -0400 | From | Steven Rostedt <> | Subject | [for-next][PATCH 19/21] tracing: Improve message of empty set_graph_notrace file |
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From: Namhyung Kim <namhyung@kernel.org>
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> --- kernel/trace/ftrace.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 17885a27281c..ee245c0659a6 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -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; } -- 2.0.0
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