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PAL.C.T MINI SHELL
files >> /proc/self/root/usr/share/doc/systemtap-client-2.9/examples/network/
upload
files >> //proc/self/root/usr/share/doc/systemtap-client-2.9/examples/network/nettop.stp

#!/usr/bin/stap

global ifxmit, ifrecv
global ifmerged

probe netdev.transmit
{
  ifxmit[pid(), dev_name, execname(), uid()] <<< length
}

probe netdev.receive
{
  ifrecv[pid(), dev_name, execname(), uid()] <<< length
}

function print_activity()
{
  printf("%5s %5s %-7s %7s %7s %7s %7s %-15s\n",
         "PID", "UID", "DEV", "XMIT_PK", "RECV_PK",
         "XMIT_KB", "RECV_KB", "COMMAND")

  foreach ([pid, dev, exec, uid] in ifrecv) {
	  ifmerged[pid, dev, exec, uid] += @count(ifrecv[pid,dev,exec,uid]);
  }
  foreach ([pid, dev, exec, uid] in ifxmit) {
	  ifmerged[pid, dev, exec, uid] += @count(ifxmit[pid,dev,exec,uid]);
  }
  foreach ([pid, dev, exec, uid] in ifmerged-) {
    n_xmit = @count(ifxmit[pid, dev, exec, uid])
    n_recv = @count(ifrecv[pid, dev, exec, uid])
    printf("%5d %5d %-7s %7d %7d %7d %7d %-15s\n",
           pid, uid, dev, n_xmit, n_recv,
           n_xmit ? @sum(ifxmit[pid, dev, exec, uid])/1024 : 0,
           n_recv ? @sum(ifrecv[pid, dev, exec, uid])/1024 : 0,
           exec)
  }

  print("\n")

  delete ifxmit
  delete ifrecv
  delete ifmerged
}

probe timer.ms(5000), end, error
{
  print_activity()
}
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