eBPF command 'biosnoop' shows Traceback when exited

Solution Verified - Updated -

Issue

  • eBPF command biosnoop shows Traceback when exited
[root@localhost tools]# ./biosnoop
TIME(s)        COMM           PID    DISK    T  SECTOR    BYTES   LAT(ms)
^CTraceback (most recent call last):
  File "./biosnoop", line 189, in <module>
    b.perf_buffer_poll()
  File "/usr/lib/python3.6/site-packages/bcc/__init__.py", line 1216, in perf_buffer_poll
    lib.perf_reader_poll(len(readers), readers, timeout)
KeyboardInterrupt

Environment

  • Red Hat Enterprise Linux 8

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