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 mhiramat@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
-- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html