Files
linux/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_args.tc
Ben Hutchings c28628b867 selftests: kprobe: Choose an always-defined function to probe
do_fork() is no longer defined on x86, so probe _do_fork() instead.

Fixes: 3033f14ab7 ("clone: support passing tls argument via C ...")
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2015-11-03 16:54:51 -07:00

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#!/bin/sh
# description: Kretprobe dynamic event with arguments
[ -f kprobe_events ] || exit_unsupported # this is configurable
echo 0 > events/enable
echo > kprobe_events
echo 'r:testprobe2 _do_fork $retval' > kprobe_events
grep testprobe2 kprobe_events
test -d events/kprobes/testprobe2
echo 1 > events/kprobes/testprobe2/enable
( echo "forked")
echo 0 > events/kprobes/testprobe2/enable
echo '-:testprobe2' >> kprobe_events
clear_trace
test -d events/kprobes/testprobe2 && exit 1 || exit 0