Cache reference, mutex lock/unlock, disk seek, etc...

Starship is the minimal, blazing fast, and extremely customizable prompt for any shell! Shows the information you need, while staying sleek and minimal. Quick installation available for Bash, Fish, ZSH, Ion, Tcsh, Elvish, Nu, Xonsh, Cmd, and PowerShell.

Virtual memory mapping to physical memory.

I’ve spent quite a lot of time messing with x86_64 page tables, understanding address translation is not easy and when I started learning about it I felt like a lot of the material out there on how it works was hard for me to wrap my head around. So in this blog post I am going to attempt to provide a kind of “what I wish I had when learning about paging”.

These are some examples of using the perf Linux profiler, which has also been called Performance Counters for Linux (PCL), Linux perf events (LPE), or perf_events. Like Vince Weaver, I'll call it perf_events so that you can search on that term later.

Timechart is a tool, based on 'perf', that has the objective to show on a system level what is going on, at various levels of detail, with the Linux system performance.

netdata is a scalable, distributed, real-time, performance and health monitoring solution for Linux, FreeBSD and MacOS. It is open-source too.

glogg is a multi-platform GUI application to browse and search through long or complex log files. It is designed with programmers and system administrators in mind. glogg can be seen as a graphical, interactive combination of grep and less.

Sophisticated scripted profiling tool for the Linux kernel.

Autotools Mythbuster is a no-nonsense guide to Autotools.

PIC, PIE

PIC, PIE