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https://git.decapod.one/brethil/dotfiles
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51 lines
1.3 KiB
Bash
51 lines
1.3 KiB
Bash
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#!/usr/bin/env zsh
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# Reads output from zprof.
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# Usage:
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# 1. add the following to the beginning of your zshrc
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# if [[ -n $profiling ]]; then
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# zmodload zsh/zprof
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# zmodload zsh/datetime
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# setopt PROMPT_SUBST
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# PS4='+$EPOCHREALTIME %N:%i> '
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#
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# logfile=$(mktemp zsh_profile.XXXXXXXX)
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# echo "Logging to $logfile"
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# exec 3>&2 2>$logfile
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#
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# setopt XTRACE
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# fi
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# 2. add this to the end of your zshrc
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# if [[ -n $profiling ]]; then
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# unsetopt XTRACE
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# exec 2>&3 3>&-
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# zprof
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# fi
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# 3. zsh -i -c exit
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# 4. sort_timings.zsh zsh_profile.* # or use the newly-created file
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typeset -a lines
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typeset -i prev_time=0
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typeset prev_command
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while read line; do
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if [[ $line =~ '^.*\+([0-9]{10})\.([0-9]{6})[0-9]* (.+)' ]]; then
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integer this_time=$match[1]$match[2]
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if [[ $prev_time -gt 0 ]]; then
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time_difference=$(( $this_time - $prev_time ))
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lines+="$time_difference $prev_command"
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fi
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prev_time=$this_time
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local this_command=$match[3]
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if [[ ${#this_command} -le 80 ]]; then
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prev_command=$this_command
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else
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prev_command="${this_command}..."
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fi
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fi
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done < ${1:-/dev/stdin}
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print -l ${(@On)lines} # | sort -h | vim -
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