Notes from the workbench
Blog
Yui's updates on life and work, with technical notes from backend and systems projects.
Building minitop: a Linux /proc process monitor
2026-03-11
How I built a tiny top-like monitor in C using /proc, CPU tick deltas, and RSS parsing.
Linux · C · systems · observability
Custom malloc in C: split, fusion, and heap extension
2026-03-11
Notes from my allocator project: block metadata, first-fit search, split/fusion, and brk-based release.
C · memory · allocator · systems