Re: [PATCH] tools/bootconfig: Add tracing_on support to helper scripts

From: Masami Hiramatsu
Date: Thu Jan 14 2021 - 01:51:58 EST


On Wed, 13 Jan 2021 18:11:58 -0500
Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:

>
> Just noticed this patch. I'm adding it into my queue for the next merge
> window, as it doesn't look too urgent.

Yes, it is not urgent, but it might be better to backport to 5.10.

Thank you,


>
> -- Steve
>
>
> On Wed, 9 Dec 2020 14:27:44 +0900
> Masami Hiramatsu <mhiramat@xxxxxxxxxx> wrote:
>
> > Add ftrace.instance.INSTANCE.tracing_on support to ftrace2bconf.sh
> > and bconf2ftrace.sh.
> >
> > commit 8490db06f914 ("tracing/boot: Add per-instance tracing_on
> > option support") added the per-instance tracing_on option,
> > but forgot to update the helper scripts.
> >
> > Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
> > ---
> > tools/bootconfig/scripts/bconf2ftrace.sh | 1 +
> > tools/bootconfig/scripts/ftrace2bconf.sh | 4 ++++
> > 2 files changed, 5 insertions(+)
> >
> > diff --git a/tools/bootconfig/scripts/bconf2ftrace.sh b/tools/bootconfig/scripts/bconf2ftrace.sh
> > index 595e164dc352..feb30c2c7881 100755
> > --- a/tools/bootconfig/scripts/bconf2ftrace.sh
> > +++ b/tools/bootconfig/scripts/bconf2ftrace.sh
> > @@ -152,6 +152,7 @@ setup_instance() { # [instance]
> > set_array_of ${instance}.options ${instancedir}/trace_options
> > set_value_of ${instance}.trace_clock ${instancedir}/trace_clock
> > set_value_of ${instance}.cpumask ${instancedir}/tracing_cpumask
> > + set_value_of ${instance}.tracing_on ${instancedir}/tracing_on
> > set_value_of ${instance}.tracer ${instancedir}/current_tracer
> > set_array_of ${instance}.ftrace.filters \
> > ${instancedir}/set_ftrace_filter
> > diff --git a/tools/bootconfig/scripts/ftrace2bconf.sh b/tools/bootconfig/scripts/ftrace2bconf.sh
> > index 6c0d4b61e0c2..a0c3bcc6da4f 100755
> > --- a/tools/bootconfig/scripts/ftrace2bconf.sh
> > +++ b/tools/bootconfig/scripts/ftrace2bconf.sh
> > @@ -221,6 +221,10 @@ instance_options() { # [instance-name]
> > if [ `echo $val | sed -e s/f//g`x != x ]; then
> > emit_kv $PREFIX.cpumask = $val
> > fi
> > + val=`cat $INSTANCE/tracing_on`
> > + if [ `echo $val | sed -e s/f//g`x != x ]; then
> > + emit_kv $PREFIX.tracing_on = $val
> > + fi
> >
> > val=
> > for i in `cat $INSTANCE/set_event`; do
>


--
Masami Hiramatsu <mhiramat@xxxxxxxxxx>