diff options
| -rw-r--r-- | kernel/trace/trace.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 3f2533adae72..73fd0e0c0f39 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -5249,7 +5249,12 @@ static const char readme_msg[] = "\t trace(<synthetic_event>,param list) - generate synthetic event\n" "\t save(field,...) - save current event fields\n" #ifdef CONFIG_TRACER_SNAPSHOT - "\t snapshot() - snapshot the trace buffer\n" + "\t snapshot() - snapshot the trace buffer\n\n" +#endif +#ifdef CONFIG_SYNTH_EVENTS + " events/synthetic_events\t- Create/append/remove/show synthetic events\n" + "\t Write into this file to define/undefine new synthetic events.\n" + "\t example: echo 'myevent u64 lat; char name[]' >> synthetic_events\n" #endif #endif ; |