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Pmu-tools Alternatives
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WorkOS
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pmu-tools reviews and mentions
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Gallery of Processor Cache Effects
I am not seeing it mentioned anywhere, but for people looking for a good starting point on "low-level" CPU performance debugging, intel's CPU top-down u-architecture method (https://www.intel.com/content/www/us/en/docs/vtune-profiler/...) is a good systematic way to understand where you CPU is speeding most of it's cycle.
They also have two tools which basically implement this analysis and spit a bunch of very useful metric that are actionable and very easy to understand
- Intel Vtune is a fantastic tool to start with. It's currently free to use, support most OSes and very friendly to use for beginner.
- Intel pmu-tools (https://github.com/andikleen/pmu-tools) is basically command line version of Vtune.
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if you had to restart at 0 knowledge what would you do?
Install some tool that would help you see the performance of your system, like a graph of the CPU usage, the top processes being used, disk activity/read/write, etc. Every time you run your program, glance at those numbers, eventually you'll develop an intuition. Basically write code and profile. A good exercise would be practicing with data structures, this site has an exhaustive list of them, find some stuff that's interesting then google the implementation, then build it yourself, test it, debug, profile, optimize, and understand the performance constraints. Eventually you'll develop better understanding and can compare between other people's works, optimizing them. If you want to go beyond, read some papers on lock-free algorithms https://github.com/JCTools/JCTools/tree/master/resources then read Brendan Gregg's blog and books. Read about how profiling tools work https://github.com/andikleen/pmu-tools/wiki/toplev-manual
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Linux Perf Examples
Toplev is a godsend (thank you Andi Kleen!). If you work with perf you'll love this.
https://github.com/andikleen/pmu-tools
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A note from our sponsor - SaaSHub
www.saashub.com | 28 Apr 2024
Stats
andikleen/pmu-tools is an open source project licensed under GNU General Public License v3.0 only which is an OSI approved license.
The primary programming language of pmu-tools is Python.
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