Hi Tom, On Tue, 27 Nov 2018 16:53:45 -0600 Tom Zanussi <zanussi@xxxxxxxxxx> wrote: > > > +ping $LOCALHOST -c 3 > > > +nice -n 1 ping $LOCALHOST -c 3 > > > + > > > +echo 0 > /sys/kernel/debug/tracing/events/sched/enable > > > > Shouldn't we stop tracing instead of disabling the event? > > > > This is just reversing the enable, so should be fine, but I can stop > tracing instead if you prefer. Oops, maybe we have to check the difference between event enabling and trace enabling. echo 0 > tracing_on will stop writing ring buffer, but event may continue to be called. Does this mean hist will be updated? (and I guess preferrable behavior is to stop hist too, isn't it?) Thank you, -- Masami Hiramatsu <mhiramat@xxxxxxxxxx>
