Re: profile prompt rendering time

[Richo Healey <richo@psych0tik.net>]

On 13/07/16 11:17 -0300, Filipe Silva wrote:
>Hi,
>
>short version: How can I profile each rendering of a zsh prompt?
>
>long version: I've recently came across a plugin (rupa/z) that, when
>installed, hit my zsh prompt rendering time by a noticeable amount.
>
>When I say prompt rendering time, I'm not refering to amount of time that
>it takes for the first zsh prompt to appear when I issue, for an example,
>`exec zsh` (that is achieve by issuing `time zsh -i -c "print -n"`).
>
>I'm talking about the time that it takes for zsh to give me another prompt
>once that it is fully loaded. In other words, I want to achieve this:
>
>~ $ ls (when i hit enter, start counting)
>code/ notes/ file.txt
>~ $ (stop counting when this prompt appears. show me elapsed time)
>
>Is that a way to do that?
>
>thanks in advance,
>
>Filipe Silva

You could do something fairly janky and just wrap your whole prompt in a
function that emits the prompt, and time(1)'s itself.