1#! /bin/bash -u 2# Copyright 2015 The Chromium OS Authors. All rights reserved. 3# Use of this source code is governed by a BSD-style license that can be 4# found in the LICENSE file. 5 6# This script takes the out.txt, generated by heatmap_generator.py 7# and sorted into a heatmap data file (inst-histo.txt) and then 8# call gnu plot to draw the heat map and the time map. 9# A heat map shows the overall hotness of instructions being executed 10# while the time map shows the hotness of instruction at different time. 11# 12# Usage: 13# ./perf-to-inst-page.sh HEATMAP_TITLE 14# HEATMAP_TITLE: the title to display on the heatmap 15 16HEAT_PNG="heat_map.png" 17TIMELINE_PNG="timeline.png" 18HEATMAP_TITLE=$1 19ENABLE_HUGEPAGE=$2 20 21heatmap_command=" 22set terminal png size 600,450 23set xlabel \"Instruction Virtual Address (MB)\" 24set ylabel \"Sample Occurance\" 25set grid 26 27set output \"${HEAT_PNG}\" 28set title \"${HEATMAP_TITLE}\" 29" 30 31if [[ "${ENABLE_HUGEPAGE}" = "hugepage" ]]; then 32 hugepage_hist="inst-histo-hp.txt" 33 smallpage_hist="inst-histo-sp.txt" 34 cat out.txt | grep hugepage | awk '{print $3}' \ 35 | sort -n | uniq -c > "${hugepage_hist}" 36 cat out.txt | grep smallpage | awk '{print $3}' \ 37 | sort -n | uniq -c > "${smallpage_hist}" 38 # generate inst heat map 39 heatmap_in_hugepage=("'${hugepage_hist}' using \ 40(\$2/1024/1024):1 with impulses notitle lt rgb 'red'") 41 heatmap_outside_hugepage=("'${smallpage_hist}' using \ 42(\$2/1024/1024):1 with impulses notitle lt rgb 'blue'") 43 echo " 44 ${heatmap_command} 45 plot ${heatmap_in_hugepage}, ${heatmap_outside_hugepage} 46 " | gnuplot 47else 48 awk '{print $3}' out.txt | sort -n | uniq -c > inst-histo.txt 49 # generate inst heat map 50 echo " 51 ${heatmap_command} 52 plot 'inst-histo.txt' using (\$2/1024/1024):1 with impulses notitle 53 " | gnuplot 54fi 55 56# generate instruction page access timeline 57num=$(awk 'END {print NR+1}' out.txt) 58 59echo " 60set terminal png size 600,450 61set xlabel \"time (sec)\" 62set ylabel \"Instruction Virtual Address (MB)\" 63 64set output \"${TIMELINE_PNG}\" 65set title \"instruction page accessd timeline\" 66 67plot 'out.txt' using (\$0/$num*10):(\$3/1024/1024) with dots notitle 68" | gnuplot 69
