Edit File: interrupts-by-dev.stp
#!/usr/bin/stap /* * Copyright (C) 2009 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. * * Version 1.0 prerna@linux.vnet.ibm.com 2009-10-28 * * Name: * interrupts-by-dev.stp * * Description: * Script to profile interrupts received by each device per 100 ms. * * */ global devices probe begin { printf("\t DEVICE \t NUMBER OF INTERRUPTS \n"); } probe irq_handler.entry { devices[dev_name]++; } probe timer.ms(100) { foreach ( devname in devices ) printf(" %20s : %5d\n",kernel_string(devname),devices[devname]); delete devices }