linux
Tags: computers
- Currently Linux plumber and hobbiest occupy two different workds
- Desktop linux and DevOps middleware are paid employees, vs poeple who use suckless softawre, musl-based distros
Tracing
Debian
perf
performance issues
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=911815
- when not linked against libbfd,
perf
calls out toaddr2line
for every address lookup, which is infeasible - possible solution: https://michcioperz.com/post/slow-perf-script/
- patches: https://lore.kernel.org/linux-perf-users/20210909112202.1947499-1-tonyg@leastfixedpoint.com/
- when not linked against libbfd,
Linux Audio
- Pipewire: http://pipewire.org
- provides low latency, graph based processing for audio
LD_PRELOAD and LD_LIBRARY_PATH
- Different usages on os x, uses
DYLD_LIBRARY_PATH
andDYLD_FALLBACK_LIBRARY_PATH