.TH undump.bt 8 "2022-06-03" "USER COMMANDS" .SH NAME undump.bt \- Catch UNIX domain socket packages. Uses bpftrace/eBPF. .SH SYNOPSIS .B undump.bt .SH DESCRIPTION undump.bt tracked reception of UNIX domain sockets. This program is also a basic example of bpftrace and kprobes. Since this uses BPF, only the root user can use this tool. .SH REQUIREMENTS CONFIG_BPF and bpftrace. .SH EXAMPLES .TP Trace reception of UNIX domain sockets: # .B undump.bt .SH FIELDS .TP TIME A timestamp on the output, in "HH:MM:SS" format. .TP COMM The process COMM. .TP PID The process ID. .TP SIZE The size of the received packet, in bytes. .TP DATA Display received packets in hex or string. .SH OVERHEAD The overhead of this program mainly comes from the data packets received by the terminal output. .SH SOURCE This is from bpftrace. .IP https://github.com/iovisor/bpftrace .PP Also look in the bpftrace distribution for a companion _examples.txt file containing example usage, output, and commentary for this tool. This is a bpftrace version of the bcc examples/tracing of the same name. The bcc tool may provide more options and customizations. .IP https://github.com/iovisor/bcc .SH OS Linux .SH STABILITY Unstable - in development. .SH AUTHOR Rong Tao .SH SEE ALSO opensnoop.bt(8)