diff options
| author | Geunsik Lim <geunsik.lim@samsung.com> | 2011-08-12 01:30:22 -0400 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2011-10-14 10:41:33 -0400 |
| commit | 9b5f8b31af57a8ce9e9f77864d9143b5e3304815 (patch) | |
| tree | fad2ac950e2b326cec325014016c2135403b3bf2 /kernel/trace | |
| parent | 910e94dd0cc5abacebf0bd5ffd859f61b9583857 (diff) | |
ftrace: Fix README to state tracing_on to start/stop tracing
tracing_enabled option is deprecated.
To start/stop tracing, write to /sys/kernel/debug/tracing/tracing_on
without tracing_enabled. This patch is based on Linux 3.1.0-rc1
Signed-off-by: Geunsik Lim <geunsik.lim@samsung.com>
Link: http://lkml.kernel.org/r/1313127022-23830-1-git-send-email-leemgs1@gmail.com
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/trace.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index f86efe90ca45..cea16053f553 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c | |||
| @@ -2720,9 +2720,9 @@ static const char readme_msg[] = | |||
| 2720 | "# cat /sys/kernel/debug/tracing/trace_options\n" | 2720 | "# cat /sys/kernel/debug/tracing/trace_options\n" |
| 2721 | "noprint-parent nosym-offset nosym-addr noverbose\n" | 2721 | "noprint-parent nosym-offset nosym-addr noverbose\n" |
| 2722 | "# echo print-parent > /sys/kernel/debug/tracing/trace_options\n" | 2722 | "# echo print-parent > /sys/kernel/debug/tracing/trace_options\n" |
| 2723 | "# echo 1 > /sys/kernel/debug/tracing/tracing_enabled\n" | 2723 | "# echo 1 > /sys/kernel/debug/tracing/tracing_on\n" |
| 2724 | "# cat /sys/kernel/debug/tracing/trace > /tmp/trace.txt\n" | 2724 | "# cat /sys/kernel/debug/tracing/trace > /tmp/trace.txt\n" |
| 2725 | "# echo 0 > /sys/kernel/debug/tracing/tracing_enabled\n" | 2725 | "# echo 0 > /sys/kernel/debug/tracing/tracing_on\n" |
| 2726 | ; | 2726 | ; |
| 2727 | 2727 | ||
| 2728 | static ssize_t | 2728 | static ssize_t |