File: socket-trace.stp

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systemtap 5.1-5
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#! /usr/bin/env stap

probe kernel.function("*@net/socket.c").call {
  printf ("%s -> %s\n", thread_indent(1), ppfunc())
}
probe kernel.function("*@net/socket.c").return {
  printf ("%s <- %s\n", thread_indent(-1), ppfunc())
}