From a476086d1ef0448c86e466f5955f78d282b473fd Mon Sep 17 00:00:00 2001 From: Prerna Saxena Date: Mon, 9 Nov 2009 11:36:11 +0530 Subject: IRQ tapset, sample script, testsuite, man page updates, etc --- .../interrupt/interrupts-by-dev.stp | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 testsuite/systemtap.examples/interrupt/interrupts-by-dev.stp (limited to 'testsuite/systemtap.examples/interrupt/interrupts-by-dev.stp') diff --git a/testsuite/systemtap.examples/interrupt/interrupts-by-dev.stp b/testsuite/systemtap.examples/interrupt/interrupts-by-dev.stp new file mode 100644 index 00000000..3bcfd5e1 --- /dev/null +++ b/testsuite/systemtap.examples/interrupt/interrupts-by-dev.stp @@ -0,0 +1,31 @@ +#! /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 irq_handler.entry { + devices[dev_name]++; +} + +probe timer.ms(100) { + printf("\t DEVICE \t NUMBER OF INTERRUPTS \n"); + foreach ( devname in devices ) + printf(" %20s : %5d\n",kernel_string(devname),devices[devname]); + delete devices +} -- cgit