On Wed, Feb 28, 2018 at 12:28:11PM +0900, Masami Hiramatsu wrote: > Add a testcase for array type with kprobe event. > This tests whether the traced data is correct or not. > If the kernel doesn't support array type, it skips > the test as UNSUPPORTED.
This description is wrong - it's for positional (argN) arguments. Thanks, Namhyung > > Signed-off-by: Masami Hiramatsu <mhira...@kernel.org> > --- > .../ftrace/test.d/kprobe/kprobe_args_argN.tc | 25 > ++++++++++++++++++++ > 1 file changed, 25 insertions(+) > create mode 100644 > tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_argN.tc > > diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_argN.tc > b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_argN.tc > new file mode 100644 > index 000000000000..d5c5c8c3a51e > --- /dev/null > +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_argN.tc > @@ -0,0 +1,25 @@ > +#!/bin/sh > +# SPDX-License-Identifier: GPL-2.0 > +# description: Kprobe event argN argument > + > +[ -f kprobe_events ] || exit_unsupported # this is configurable > + > +grep -q "arg<N>" README || exit_unsupported # version issue > + > +echo 0 > events/enable > +echo > kprobe_events > + > +: "Test bad pattern : arg0 is not allowed" > +! echo 'p:testprobe create_trace_kprobe $arg0' > kprobe_events > + > +: "Test get argument" > +echo 'p:testprobe create_trace_kprobe $arg1' > kprobe_events > +echo 1 > events/kprobes/testprobe/enable > +! echo test >> kprobe_events > +tail -n 1 trace | grep -qe "testprobe.* arg1=0x1" > + > +! echo test test test >> kprobe_events > +tail -n 1 trace | grep -qe "testprobe.* arg1=0x3" > + > +echo 0 > events/enable > +echo > kprobe_events >
