The USE Method: Unix 7th Edition Performance Checklist

PDP 11/70 front panel (similar to the 11/45) Out of curiosity, I’ve developed a USE Method-based performance checklist for Unix 7th Edition on a PDP-11/45, which I’ve been running via a PDP simulator. 7th Edition is from 1979, and was the first Unix with iostat(1M) and pstat(1M), enabling more serious performance analysis from shipped tools. [...]

Posted on September 29, 2013 at 2:37 am by Brendan Gregg · Permalink · Comments Closed
In: Unix · Tagged with: , ,

The USE Method: FreeBSD Performance Checklist

In this post, I’ll provide an example USE Method-based performance checklist for FreeBSD, for identifying common bottlenecks and errors. This is intended to be used early in a performance investigation, before moving onto more time consuming methodologies. This should be helpful for anyone using FreeBSD, especially system administrators. This was developed on FreeBSD 10.0 alpha, [...]

Posted on September 25, 2013 at 11:42 am by Brendan Gregg · Permalink · One Comment
In: FreeBSD · Tagged with: , ,

The USE Method: Mac OS X Performance Checklist

This is my example USE Method-based performance checklist for the Apple Mac OS X operating system, for identifying common bottlenecks and errors. This draws upon both command line and graphical tools for coverage, focusing where possible on those that are provided with the OS by default, or by Apple (eg, Instruments). Further notes about tools [...]

Posted on September 18, 2013 at 11:37 pm by Brendan Gregg · Permalink · 3 Comments
In: Mac OS X · Tagged with: , , ,