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kernel/linux-rt-4.4.41/tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc 402 Bytes
5113f6f70   김현기   kernel add
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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