1#!/bin/bash 2 3# A small script to help visualizing CPU usage over time data collected on CI 4# using `gnuplot`. 5# 6# This script is expected to be called with two arguments. The first is the full 7# commit SHA of the build you're interested in, and the second is the name of 8# the builder. For example: 9# 10# ./src/etc/cpu-usage-over-time-plot.sh 7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c x86_64-gnu 11# 12# That will generate `$builder.png` in the current directory which you can open 13# up to see a hopefully pretty graph. 14# 15# Improvements to this script are greatly appreciated! 16 17if [[ $# != 2 ]]; then 18 echo "expected 2 arguments, received $#" 19 echo "example usage: './src/etc/cpu-usage-over-time-plot.sh \ 207737e0b5c4103216d6fd8cf941b7ab9bdbaace7c \ 21x86_64-gnu'" 22 exit 1 23fi 24 25set -ex 26 27bucket=rust-lang-ci2 28commit=$1 29builder=$2 30 31curl -O https://$bucket.s3.amazonaws.com/rustc-builds/$commit/cpu-$builder.csv 32 33gnuplot <<-EOF 34reset 35set timefmt '%Y-%m-%dT%H:%M:%S' 36set xdata time 37set ylabel "CPU Usage %" 38set xlabel "Time" 39set datafile sep ',' 40set term png size 3000,1000 41set output "$builder-$commit-cpu-usage-plot.png" 42set grid 43 44f(x) = mean_y 45fit f(x) 'cpu-$builder.csv' using 1:(100-\$2) via mean_y 46 47set label 1 gprintf("Average = %g%%", mean_y) center font ",18" 48set label 1 at graph 0.50, 0.25 49set xtics rotate by 45 offset -2,-2.4 300 50set ytics 10 51set boxwidth 0.5 52 53plot \\ 54 mean_y with lines linetype 1 linecolor rgb "#ff0000" title "average", "cpu-$builder.csv" \\ 55 using 1:(100-\$2) with points pointtype 7 pointsize 0.4 title "$builder", "" \\ 56 using 1:(100-\$2) smooth bezier linewidth 3 title "bezier" 57EOF 58 59rm "cpu-$builder.csv" 60
