dotfiles/functions/tracing.zsh

#!/bin/zsh

function start_tracing {
	zmodload zsh/zprof
	zmodload zsh/datetime

	setopt PROMPT_SUBST
	PS4+='+$EPOCHREALTIME %N:%i> '
	logfile=$(mktemp --tmpdir zsh_profile.XXXXXXXX)
	echo "logging to $logfile"
	exec 3>&2 2>$logfile
	setopt XTRACE
}

function stop_tracing {
	unsetopt XTRACE
	exec 2>&3 3>&-
	zprof | tee zprof_out.log | vim -c "set buftype=nofile" -

    zmodload -u zsh/zprof
    zmodload -u zsh/datetime
}