pipe system call is not probed on ia64 by SystemTap

Solution Verified - Updated -


  • Pipe system call is not probed on ia64 by using stap command of SystemTap.
  • Result of RHEL5.5:

    # stap -c 'ps -a | test' test.stp
  • Result of RHEL5.4:

    # stap -c 'ps -a | test' test.stp
    Call sys_pipe.
    Return sys_pipe.


  • Red Hat Enterprise Linux 5.5
  • ia64

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