blob: 601938f8f177a6cf8d5176c7eeba6c9260c819e1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
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);
}
}
|
