undump.bt(8)

1undump.bt(8)                System Manager's Manual               undump.bt(8)
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NAME

6       undump.bt - Catch UNIX domain socket packages. Uses bpftrace/eBPF.
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SYNOPSIS

9       undump.bt
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DESCRIPTION

12       undump.bt tracked reception of UNIX domain sockets.
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14       This program is also a basic example of bpftrace and kprobes.
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16       Since this uses BPF, only the root user can use this tool.
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REQUIREMENTS

19       CONFIG_BPF and bpftrace.
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EXAMPLES

22       Trace reception of UNIX domain sockets:
23              # undump.bt
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FIELDS

26       TIME   A timestamp on the output, in "HH:MM:SS" format.
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28       COMM   The process COMM.
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30       PID    The process ID.
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32       SIZE   The size of the received packet, in bytes.
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34       DATA   Display received packets in hex or string.
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OVERHEAD

37       The  overhead  of  this  program mainly comes from the data packets re‐
38       ceived by the terminal output.
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SOURCE

41       This is from bpftrace.
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43              https://github.com/iovisor/bpftrace
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45       Also look in the bpftrace distribution for  a  companion  _examples.txt
46       file containing example usage, output, and commentary for this tool.
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48       This  is  a  bpftrace  version  of the bcc examples/tracing of the same
49       name.  The bcc tool may provide more options and customizations.
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51              https://github.com/iovisor/bcc
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OS

54       Linux
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STABILITY

57       Unstable - in development.
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AUTHOR

60       Rong Tao
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