Look at the special programming languages SystemTap and Berkeley Packet Filter that can be used to get detailed performance information.
- [Kevin] The command for SystemTap is stap.…SystemTap are scripts in the SystemTap language,…and they interact with the kernel…to get information or change some things.…SystemTap's been around for a while,…and there's quite a few examples,…and they could be kind of handy,…so there's actually some stap utilities…that you can run to get some good kernel information.…You want to install, on most distros,…the systemtap-client package.…
And then, that puts a lot of these examples,…which are actually useful utilities…as well as examples that you could use…to make your new own SystemTap programs.…So look in /usr/share/systemtap/examples.…So let's look at using SystemTap.…So that should be available for your distro.…Just install the packages…and get that to work with just an ordinary distro.…It's a little bit of work to get the stuff installed.…
You typically got to install the kernel headers…to develop with version of the kernel package,…maybe the debug info of the kernel package.…But once it's all installed,…the SystemTap utilities should work.…
- Timing techniques
- Packages for performance
- Identifying and optimizing CPU bottlenecks
- Finding memory bottlenecks
- Diagnosing disk bottlenecks
Skill Level Advanced
1. Performance Overview
2. CPU Bottlenecks
3. Memory Bottlenecks
4. Disk Bottlenecks
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