undump.bt(8) System Manager's Manual undump.bt(8) NAME undump.bt - Catch UNIX domain socket packages. Uses bpftrace/eBPF. SYNOPSIS undump.bt 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. REQUIREMENTS CONFIG_BPF and bpftrace. EXAMPLES Trace reception of UNIX domain sockets: # undump.bt FIELDS TIME A timestamp on the output, in "HH:MM:SS" format. COMM The process COMM. PID The process ID. SIZE The size of the received packet, in bytes. DATA Display received packets in hex or string. OVERHEAD The overhead of this program mainly comes from the data packets received by the terminal output. SOURCE This is from bpftrace. https://github.com/iovisor/bpftrace 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. https://github.com/iovisor/bcc OS Linux STABILITY Unstable - in development. AUTHOR Rong Tao SEE ALSO opensnoop.bt(8) USER COMMANDS 2022-06-03 undump.bt(8)