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#! /usr/bin/env 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
}
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