Messages in this thread | | | Subject | Re: [PATCH] ftrace: tracing_on to start/stop tracing | From | Steven Rostedt <> | Date | Fri, 12 Aug 2011 13:06:28 -0400 |
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On Fri, 2011-08-12 at 14:30 +0900, Geunsik Lim wrote: > From: Geunsik Lim <geunsik.lim@samsung.com> > > 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 >
Ug, I thought I fixed this. OK, thanks. Maybe we can add this to 3.1, as it is a very low risk patch and fixes something that can confuse people.
-- Steve
> Signed-off-by: Geunsik Lim <geunsik.lim@samsung.com> > --- > 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 e5df02c..91abdbf 100644 > --- a/kernel/trace/trace.c > +++ b/kernel/trace/trace.c > @@ -2710,9 +2710,9 @@ static const char readme_msg[] = > "# cat /sys/kernel/debug/tracing/trace_options\n" > "noprint-parent nosym-offset nosym-addr noverbose\n" > "# echo print-parent > /sys/kernel/debug/tracing/trace_options\n" > - "# echo 1 > /sys/kernel/debug/tracing/tracing_enabled\n" > + "# echo 1 > /sys/kernel/debug/tracing/tracing_on\n" > "# cat /sys/kernel/debug/tracing/trace > /tmp/trace.txt\n" > - "# echo 0 > /sys/kernel/debug/tracing/tracing_enabled\n" > + "# echo 0 > /sys/kernel/debug/tracing/tracing_on\n" > ; > > static ssize_t
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