Add chng_cpu.stp and migrate.stp examples.

1 files changed, 27 insertions, 0 deletions

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 <ankita@in.ibm.com>
+ * 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);
+  }
+}