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Server: nginx/1.16.1
System: Linux ecs-04358622 4.19.90-2107.6.0.0100.oe1.bclinux.x86_64 #1 SMP Wed Dec 1 19:59:44 CST 2021 x86_64
User: nginx (994)
PHP: 8.0.0
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File: //usr/share/systemtap/examples/profiling/pf2.stp
#!/usr/bin/stap

global profile%, pcount
probe timer.profile {
  pcount <<< 1
  fn = user_mode() ? "<user>" : symname(addr())
  if (fn != "") profile[fn] <<< 1
}
probe timer.ms(5000) {
  printf ("\n--- %d samples recorded:\n", @count(pcount))
  foreach (f in profile- limit 10) {
    printf ("%-30s\t%6d\n", f, @count(profile[f]))
  }
  delete profile
  delete pcount
}