On Fri, 17 Aug 2018 01:40:59 +0900 Masami Hiramatsu <mhiramat@xxxxxxxxxx> wrote: > Add a testcase for function filter on module. > > Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx> > --- > .../ftrace/test.d/ftrace/func_mod_trace.tc | 24 ++++++++++++++++++++ > 1 file changed, 24 insertions(+) > create mode 100644 tools/testing/selftests/ftrace/test.d/ftrace/func_mod_trace.tc > > diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_mod_trace.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_mod_trace.tc > new file mode 100644 > index 000000000000..359380c3834f > --- /dev/null > +++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_mod_trace.tc > @@ -0,0 +1,24 @@ > +#!/bin/sh > +# SPDX-License-Identifier: GPL-2.0 > +# description: ftrace - function trace on module > + > +[ ! -f set_ftrace_filter ] && exit_unsupported > + > +: "mod: allows to filter a non exist function" > +echo 'non_exist_func:mod:non_exist_module' > set_ftrace_filter > +grep -q "non_exist_func" set_ftrace_filter > + > +: "mod: on exist module" > +echo '*:mod:trace_printk' > set_ftrace_filter > +if ! modprobe trace-printk.ko ; then Need to remove the '.ko' -- Steve > + echo "No trace-printk sample module - please make CONFIG_SAMPLE_TRACE_PRINTK= > +m" > + exit_unresolved; > +fi > + > +: "Wildcard should be resolved after loading module" > +grep -q "trace_printk_irq_work" set_ftrace_filter > + > +: "After removing the filter becomes empty" > +rmmod trace_printk > +test `cat set_ftrace_filter | wc -l` -eq 0
