Files
linux/tools/testing/selftests/ftrace/test.d/kprobe/busy_check.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: Kprobe dynamic event - busy event check
[ -f kprobe_events ] || exit_unsupported
echo 0 > events/enable
echo > kprobe_events
echo p:myevent _do_fork > kprobe_events
test -d events/kprobes/myevent
echo 1 > events/kprobes/myevent/enable
echo > kprobe_events && exit 1 # this must fail
echo 0 > events/kprobes/myevent/enable
echo > kprobe_events # this must succeed
clear_trace