From deb635455c042a10cc74a45c9ef02458d890946f Mon Sep 17 00:00:00 2001 From: William Cohen Date: Fri, 17 Jul 2009 15:18:51 -0400 Subject: Add chng_cpu.stp and migrate.stp examples. --- testsuite/systemtap.examples/process/migrate.stp | 27 ++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100755 testsuite/systemtap.examples/process/migrate.stp (limited to 'testsuite/systemtap.examples/process/migrate.stp') diff --git a/testsuite/systemtap.examples/process/migrate.stp b/testsuite/systemtap.examples/process/migrate.stp new file mode 100755 index 00000000..601938f8 --- /dev/null +++ b/testsuite/systemtap.examples/process/migrate.stp @@ -0,0 +1,27 @@ +#! /usr/bin/env stap +/* Filename: migrate.stp + * Author: Ankita Garg + * Description: Captures information on the migration of a thread + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Copyright (C) IBM Corp. 2009. All Rights Reserved. + * +*/ + +probe kernel.function("__migrate_task") +{ + comm = kernel_string($p->comm); + if (comm == @1) { + printf ("thread %d (%s) is migrating from %d to %d \n", + $p->pid, comm, $src_cpu, $dest_cpu); + } +} -- cgit