add facilities for benchmarking load times
add facilities for benchmarking load times

https://work.lisk.in/2020/11/20/even-faster-bash-startup.html

    $ __bashrc_bench=1 bash -i
    completion /usr/local/etc/bash_completion: 0.266
    ~/.bashrc.d/functions: 0.002
    ~/.bashrc.d/personal: 0.501
    devtools: 0.087
    pyenv: 0.245
    pyenv-virtualenv: 0.000
    ~/.bashrc.d/work: 0.350
    completion ~/.bash_completion.d/acme-metasyntactic: 0.007
    completion ~/.bash_completion.d/git-aliases: 0.003

zackse/dot-files