Add tracing_on option description to the boot-time tracer.
Signed-off-by: Masami Hiramatsu <[email protected]>
---
Changes in v3.1:
- Fix "on boot" to "on starting boot-time tracing".
---
Documentation/trace/boottime-trace.rst | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/trace/boottime-trace.rst
b/Documentation/trace/boottime-trace.rst
index dcb390075ca1..9bc8aceb8c0a 100644
--- a/Documentation/trace/boottime-trace.rst
+++ b/Documentation/trace/boottime-trace.rst
@@ -61,6 +61,10 @@ These options can be used for each instance including global
ftrace node.
ftrace.[instance.INSTANCE.]options = OPT1[, OPT2[...]]
Enable given ftrace options.
+ftrace.[instance.INSTANCE.]tracing_on = 0|1
+ Enable/Disable tracing on this instance when starting boot-time tracing.
+ (you can enable it by the "traceon" event trigger action)
+
ftrace.[instance.INSTANCE.]trace_clock = CLOCK
Set given CLOCK to ftrace's trace_clock.
