On Sat, 13 Nov 2021 21:37:34 +0800 Zhaoyu Liu <zackary.liu.pro@xxxxxxxxx> wrote: > Delete "tracing" due to it has been included in /proc/mounts. > Delete "echo nop > $tracefs/tracing/current_tracer", maybe > this command is redundant. > > Signed-off-by: Zhaoyu Liu <zackary.liu.pro@xxxxxxxxx> Acked-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx> Jon, Can you take this through your tree? Thanks, -- Steve > --- > Documentation/trace/ftrace.rst | 9 ++++----- > 1 file changed, 4 insertions(+), 5 deletions(-) > > diff --git a/Documentation/trace/ftrace.rst b/Documentation/trace/ftrace.rst > index 4e5b26f03d5b..b3166c4a7867 100644 > --- a/Documentation/trace/ftrace.rst > +++ b/Documentation/trace/ftrace.rst > @@ -2442,11 +2442,10 @@ Or this simple script! > #!/bin/bash > > tracefs=`sed -ne 's/^tracefs \(.*\) tracefs.*/\1/p' /proc/mounts` > - echo nop > $tracefs/tracing/current_tracer > - echo 0 > $tracefs/tracing/tracing_on > - echo $$ > $tracefs/tracing/set_ftrace_pid > - echo function > $tracefs/tracing/current_tracer > - echo 1 > $tracefs/tracing/tracing_on > + echo 0 > $tracefs/tracing_on > + echo $$ > $tracefs/set_ftrace_pid > + echo function > $tracefs/current_tracer > + echo 1 > $tracefs/tracing_on > exec "$@" > >
