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selftests/ftrace: Improve kprobe testcase to check log data

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Improve kprobe testcase to check the log data correctness
and ensure the event definition is corrctly including
argument definition.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
This commit is contained in:
Masami Hiramatsu 2018-08-30 23:18:06 +09:00 committed by Shuah Khan (Samsung OSG)
parent af2a0750f3
commit e42e5c46b0
1 changed files with 5 additions and 1 deletions
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6
tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc
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@ -5,10 +5,14 @@
[ -f kprobe_events ] || exit_unsupported # this is configurable
echo 'p:testprobe _do_fork $stack $stack0 +0($stack)' > kprobe_events
grep testprobe kprobe_events
grep testprobe kprobe_events | grep -q 'arg1=\$stack arg2=\$stack0 arg3=+0(\$stack)'
test -d events/kprobes/testprobe
echo 1 > events/kprobes/testprobe/enable
( echo "forked")
grep testprobe trace | grep '_do_fork' | \
grep -q 'arg1=0x[[:xdigit:]]* arg2=0x[[:xdigit:]]* arg3=0x[[:xdigit:]]*$'
echo 0 > events/kprobes/testprobe/enable
echo "-:testprobe" >> kprobe_events
clear_trace