asda?‰PNG

   
IHDR   ?   f   ??C1   
sRGB ??é   gAMA  ±?üa   	pHYs  ?  ?
?o¨d  GIDATx^íüL”÷e÷Y?a?("Bh?_ò???￠§?q5k?*:t0A-o??￥]VkJ￠M??f?±8\k2íll￡1]q?ù???T

#!/usr/bin/stap

// A TCP dump like example

probe begin, timer.s(1) {
  printf("-----------------------------------------------------------------\n")
  printf("       Source IP         Dest IP  SPort  DPort  U  A  P  R  S  F \n")
  printf("-----------------------------------------------------------------\n")
}

probe udp.recvmsg /* ,udp.sendmsg */ {
  printf(" %15s %15s  %5d  %5d  UDP\n",
         saddr, daddr, sport, dport)
}

probe tcp.receive {
  printf(" %15s %15s  %5d  %5d  %d  %d  %d  %d  %d  %d\n",
         saddr, daddr, sport, dport, urg, ack, psh, rst, syn, fin)
}