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| author | Steven Rostedt <srostedt@redhat.com> | 2009-02-17 19:12:12 +0100 |
|---|---|---|
| committer | Steven Rostedt <srostedt@redhat.com> | 2009-02-17 19:12:12 +0100 |
| commit | 35ebf1caa4854ad5ba25f3a72967acc064147994 (patch) | |
| tree | 6adc0e7db8cb16d18f3683bf729cf8261af93b1f /kernel/trace/trace_functions.c | |
| parent | tracing: fix typing mistake in hint message and comments (diff) | |
| download | linux-35ebf1caa4854ad5ba25f3a72967acc064147994.tar.xz linux-35ebf1caa4854ad5ba25f3a72967acc064147994.zip | |
ftrace: show unlimited when traceon or traceoff has no counter
Impact: clean up
The traceon and traceoff function probes are confusing to developers
to what happens when a counter is not specified. This should help
clear things up.
# echo "*:traceoff" > set_ftrace_filter
# cat /debug/tracing/set_ftrace_filter
#### all functions enabled ####
do_fork:traceoff:unlimited
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Diffstat (limited to 'kernel/trace/trace_functions.c')
| -rw-r--r-- | kernel/trace/trace_functions.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/trace/trace_functions.c b/kernel/trace/trace_functions.c index 6ea73ed03bfa..4c113a8c466f 100644 --- a/kernel/trace/trace_functions.c +++ b/kernel/trace/trace_functions.c @@ -296,7 +296,9 @@ ftrace_trace_onoff_print(struct seq_file *m, unsigned long ip, else seq_printf(m, "traceoff"); - if (count != -1) + if (count == -1) + seq_printf(m, ":unlimited\n"); + else seq_printf(m, ":count=%ld", count); seq_putc(m, '\n'); |