| From | Masami Hiramatsu <> | Subject | [PATCH v2 09/32] selftests/ftrace: Fix to test kprobe $comm arg only if available | Date | Fri, 17 Aug 2018 01:33:26 +0900 |
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Test $comm in kprobe-event argument syntax testcase only if it is supported on the kernel because $comm has been introduced 4.8 kernel. So on older stable kernel, it should be skipped.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> --- .../ftrace/test.d/kprobe/kprobe_args_syntax.tc | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_syntax.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_syntax.tc index d783a8ce0692..6f0f19953193 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_syntax.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_syntax.tc @@ -75,8 +75,11 @@ test_badarg "\$stackp" "\$stack0+10" "\$stack1-10" echo "r ${PROBEFUNC} \$retval" > kprobe_events ! echo "p ${PROBEFUNC} \$retval" > kprobe_events +# $comm was introduced in 4.8, older kernels reject it. +if grep -A1 "fetcharg:" README | grep -q '\$comm' ; then : "Comm access" test_goodarg "\$comm" +fi : "Indirect memory access" test_goodarg "+0(${GOODREG})" "-0(${GOODREG})" "+10(\$stack)" \
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