Linux Scalability Effort / News: Recent posts

Using OSDL machines for testing code

Great info about using the OSDL's many machines to test your code. If you want to see test results of your projects code on some of the larger machines available the OSDL is the place to do i!

Minutes from the latest meeting with great info available here:

http://lse.sourceforge.net/mtg/minutes/120303

Hanna

Posted by Hanna Linder 2003-12-04

Next LSE call Wed Oct 1 2pm

Agenda forthcoming.

Posted by Hanna Linder 2003-09-22

Minutes from March 21 Call

Posted by Hanna Linder 2003-03-21

Minutes from March 7 Call

Posted by Hanna Linder 2003-03-10

Minutes from Feb 21 LSE Call

Posted by Hanna Linder 2003-03-03

NUMA scheduler Con Call 1/10/03

Erich Focht, Michael Hohnbaum and Martin Bligh
will be discussing scheduler issues on NUMA architectures and their work at the next Conference Call. To ask questions or talk with them please join us at:
USA toll free: 1-877-849-9636
International toll: +1-719-457-5110
Passcode: 372406

Posted by Hanna Linder 2003-01-08

August 23, 2002 Conference Call

Minutes are located at,
http://lse.sf.net/mtg/minutes/082302

Posted by Mike Kravetz 2002-08-23

Patch to remove kernel_flag (BKL) instances

A patch has been created which removes the BKL from the release
functions of over 50 drivers' release functions. The release
functions are already serialized in the VFS code by an atomic_t
which guarantees that each function will be called only once, after
all file descriptors have been closed. In addition, in these
drivers, the BKL was _only_ held in the release function and
nowhere else in the driver where it might be needed.... read more

Posted by Mike Kravetz 2001-11-29

Process Scheduling and Memory Placement Doc updated.

These Design Notes consider the kernel system mechanisms and interfaces appropriate to support process memory placement and cpu scheduling selection. This is the capability to place task scheduling and memory allocation onto specific processors and memory nodes.

This is the third version of these Design Notes. SGI is currently implementing this design as an Open Source patch, which it hopes to have accepted into the main stream kernel (Mosberger's 2.4-based IA kernel and Linux 2.5).

Posted by John Wright 2001-11-02

Simple-binding NUMA API Update

Paul McKenney has updated the simple-binding NUMA APIs. There is a new version of the NUMA
description document at:

http://lse.sourceforge.net/numa/numastatusdesc.html

There is a new document describing simple-binding APIs at:

http://lse.sourceforge.net/numa/numa_api.html

And a rationale document at:
http://lse.sourceforge.net/numa/numa_api_rationale.html

Send questions and comments to Paul at paulmckenney@users.sourceforge.net... read more

Posted by Mike Kravetz 2001-10-05

NUMA status web page updated

Patricia Gaughen has updated the NUMA status document (version 0.5) which is available at:

http://lse.sourceforge.net/numa/numastatus.html

This document attempts to capture the work that is happening in the NUMA space. Since it's based on what I hear/see, I'm sure it's missing some pieces of work that are going on. So, if you are involved in NUMA, please have a look at the web page and let me know what should be added/modified/removed.... read more

Posted by Mike Kravetz 2001-10-02

Process and Memory Placement Doc added.

These Design Notes consider the kernel system mechanisms
and interfaces appropriate to support process memory
placement and cpu scheduling selection. This is the
capability to place task scheduling and memory allocation
onto specific processors and memory banks and to select
and specify the operating parameters of certain kernel
task scheduling and memory allocation policies.

These Notes are provided at an early stage of the design
and development, in what is potentially a controversial
area. Feedback welcome.

Posted by John Wright 2001-07-05

Locking Hierarchy document released

This is a document which attempts to document both the existence and usage of spinlocks in the Linux kernel (currently 2.4.5). This is intended as a reference document, which should allow developers to determine correct usage of such locks. All interested parties are invited to review the document and send feedback.

Posted by Tim Wright 2001-06-19

Web site update

A little rearranging, added in IRC info, LBS link

Posted by John Wright 2001-01-11