show_task: real_parent
The show_task function invoked by sysrq-t et al displays the pid and parent's pid of each task. It seems more useful to show the actual process hierarchy here than who is using ptrace on each process. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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