Add a testcase for $argN with kprobe event. This tests whether the traced data is correct or not. If the kernel doesn't support $argN (depends on arch), it skips the test as UNSUPPORTED.
Signed-off-by: Masami Hiramatsu mhiramat@kernel.org --- Changes in v5: - Fix description. --- .../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
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