On Mon, 25 Oct 2021 22:17:17 -0400 Steven Rostedt <rostedt@xxxxxxxxxxx> wrote: > On Thu, 21 Oct 2021 09:31:31 +0900 > Masami Hiramatsu <mhiramat@xxxxxxxxxx> wrote: > > > > > +# Stop tracing while reading the trace file by default, to prevent > > > > +# the test results while checking it and to avoid taking a long time > > > > +# to check the result. > > > > + [ -f options/pause-on-trace ] && echo 1 > options/pause-on-trace > > > > + > > > > > > Is there a way we can save the previous setting and put it back on reset? > > > > No, since each testcase must be run under the clean state. Would we need to > > recover the settings? > > I would at least put it back to the default. If someone runs the tests, > it should at least put it back to what it was at boot. Otherwise, > someone might run the tests, and then wonder why events are being > dropped when they are reading the trace. Umm, we may need to have a knob to reset the ftrace options... Can we warn such user that if the ftracetest finds that the current value is not the same what it sets? Thank you, -- Masami Hiramatsu <mhiramat@xxxxxxxxxx>