1 points0 commentsgithub.com

General purpose mathematical software system, compatible fork of https://github.com/sagemath/sage supporting modularized installation with pip. Main repository, containing Sage library (src/), modu...

4 points0 commentsperfwiki.github.io

Linux kernel profiling with perf Introduction¶ Perf is a profiler tool for Linux 2.6+ based systems that abstracts away CPU hardware differences in Linux performance measurements and presents a simple…

3 points0 commentszazolabs.com

Introduction: A Problem Hiding in Plain Sight Direct I/O (O_DIRECT) has been a contentious feature in Linux since its introduction. Linus Torvalds famously called it a design “by a deranged monkey on…

253 points192 commentskrzysztofjankowski.com

December 21, 2025 | back to home FLOPPINUX was released in 2021. After four years people find it helpful. Because of that I decided to revisit FLOPPINUX in 2025 and make updated tutorial. This brings…

3 points0 commentsbiriukov.dev

SRE deep dive into Linux Page Cache # Last updated: Oct 2025 Contents Prepare environment for experiments Essential Page Cache theory Page Cache and basic file operations Page Cache eviction and page…