Keywords: perfbook_html

# Legal Statement

This work represents the views of the authors and does not necessarily represent the view of their employers.
IBM, zSeries, and Power PC are trademarks or registered trademarks of International Business Machines Corporation in the United States, other countries, or both.
Linux is a registered trademark of Linus Torvalds.
i386 is a trademarks of Intel Corporation or its subsidiaries in the United States, other countries, or both.
Other company, product, and service names may be trademarks or service marks of such companies.

The non-source-code text and images in this document are provided under the terms of the Creative Commons Attribution-Share Alike 3.0 United States license (`http://creativecommons.org/licenses/by-sa/3.0/us/`). In brief, you may use the contents of this document for any purpose, personal, commercial, or otherwise, so long as attribution to the authors is maintained. Likewise, the document may be modified, and derivative works and translations made available, so long as such modifications and derivations are offered to the public on equal terms as the non-source-code text and images in the original document.

Source code is covered by various versions of the GPL (`http://www.gnu.org/licenses/gpl-2.0.html`). Some of this code is GPLv2-only, as it derives from the Linux kernel, while other code is GPLv2-or-later. See the CodeSamples directory in the git archive (`git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/perfbook.git`) for the exact licenses, which are included in comment headers in each file. If you are unsure of the license for a given code fragment, you should assume GPLv2-only.

Combined work (c) 2005-2011 by Paul E. McKenney.