These are tips and commands to monitor slow UNIX or Linux systems.
FTA "...When your UNIX system runs slow, it is vital that you discover what the problem is as quickly as possible so you can get your system back into the normal operating mode. There are many causes for a slow system, but actually identifying the problem can be exceedingly difficult. In this article, study examples of how to identify and diagnose the cause of your slow running UNIX system to get your machine running properly again..."
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{ 2 comments… read them below or add one }
Pretty good selection of tools mentioned in that article. Another one which I haven’t used much yet, but I’ve heard good things about is OProfile.
If I determine that the problem is a particular app, then I will typically use tools like truss, ktrace, strace, and pstack.
Mark, sounds interesting. Thanks for the Oprofile link, ill check it out :)