Profiling zsh startup time

• https://kevin.burke.dev/kevin/profiling-zsh-startup-time/
• https://github.com/ohmyzsh/ohmyzsh/issues/5327
• https://blog.jonlu.ca/posts/speeding-up-zsh

time + exit

• Beware: How not to benchmark

Measure time:

$ time  zsh -i -c exit
Before: 2,05s user 0,46s system 95% cpu 2,624 total

Start verbose:

zsh -xv

zprof

Show zprof profile stats (needs to get enabled on top of .zshrc)

zprof

zsh-bench

• No Arch/AUR package

Install:

git clone https://github.com/romkatv/zsh-bench ~/projects/shell/zsh/zsh-bench

Run:

~/projects/shell/zsh/zsh-bench/zsh-bench