HEX
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
Disabled: NONE
Upload Files
File: //usr/share/systemtap/examples/process/syscalls_by_pid.stp
#!/usr/bin/stap

# Copyright (C) 2006 IBM Corp.
#
# This file is part of systemtap, and is free software.  You can
# redistribute it and/or modify it under the terms of the GNU General
# Public License (GPL); either version 2, or (at your option) any
# later version.

#
# Print the system call count by process ID in descending order.
#

global syscalls

probe begin {
  print ("Collecting data... Type Ctrl-C to exit and display results\n")
}

probe syscall_any {
  syscalls[pid()] <<< 1
}

probe end {
  printf ("%-10s %-s\n", "#SysCalls", "PID")
  foreach (pid in syscalls-)
    printf("%-10d %-d\n", @sum(syscalls[pid]), pid)
}