On Tue 2022-02-22 21:31:48, Sasha Levin wrote: > From: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx> > > [ Upstream commit 6fec1ab67f8d60704cc7de64abcfd389ab131542 ] > > The PREEMPT_RT patchset does not use do_softirq() function thus trying > to filter for do_softirq fails for such kernel: > > echo do_softirq > ftracetest: 81: echo: echo: I/O error > > Choose some other visible function for the test. The function does not > have to be actually executed during the test, because it is only testing > filter API interface. This needs -rt patch even on mainline, right? It is certainly not needed in -stable branches. Best regards, Pavel > +++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_set_ftrace_file.tc > @@ -33,7 +33,7 @@ do_reset > > FILTER=set_ftrace_filter > FUNC1="schedule" > -FUNC2="do_softirq" > +FUNC2="scheduler_tick" > > ALL_FUNCS="#### all functions enabled ####" -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
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