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-rwxr-xr-xheatmaps/perf-to-inst-page.sh68
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diff --git a/heatmaps/perf-to-inst-page.sh b/heatmaps/perf-to-inst-page.sh
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-#! /bin/bash -u
-# Copyright 2015 The ChromiumOS Authors
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-# This script takes the out.txt, generated by heatmap_generator.py
-# and sorted into a heatmap data file (inst-histo.txt) and then
-# call gnu plot to draw the heat map and the time map.
-# A heat map shows the overall hotness of instructions being executed
-# while the time map shows the hotness of instruction at different time.
-#
-# Usage:
-# ./perf-to-inst-page.sh HEATMAP_TITLE
-# HEATMAP_TITLE: the title to display on the heatmap
-
-HEAT_PNG="heat_map.png"
-TIMELINE_PNG="timeline.png"
-HEATMAP_TITLE=$1
-ENABLE_HUGEPAGE=$2
-
-heatmap_command="
-set terminal png size 600,450
-set xlabel \"Instruction Virtual Address (MB)\"
-set ylabel \"Sample Occurance\"
-set grid
-
-set output \"${HEAT_PNG}\"
-set title \"${HEATMAP_TITLE}\"
-"
-
-if [[ "${ENABLE_HUGEPAGE}" = "hugepage" ]]; then
- hugepage_hist="inst-histo-hp.txt"
- smallpage_hist="inst-histo-sp.txt"
- cat out.txt | grep hugepage | awk '{print $3}' \
- | sort -n | uniq -c > "${hugepage_hist}"
- cat out.txt | grep smallpage | awk '{print $3}' \
- | sort -n | uniq -c > "${smallpage_hist}"
- # generate inst heat map
- heatmap_in_hugepage=("'${hugepage_hist}' using \
-(\$2/1024/1024):1 with impulses notitle lt rgb 'red'")
- heatmap_outside_hugepage=("'${smallpage_hist}' using \
-(\$2/1024/1024):1 with impulses notitle lt rgb 'blue'")
- echo "
- ${heatmap_command}
- plot ${heatmap_in_hugepage}, ${heatmap_outside_hugepage}
- " | gnuplot
-else
- awk '{print $3}' out.txt | sort -n | uniq -c > inst-histo.txt
- # generate inst heat map
- echo "
- ${heatmap_command}
- plot 'inst-histo.txt' using (\$2/1024/1024):1 with impulses notitle
- " | gnuplot
-fi
-
-# generate instruction page access timeline
-num=$(awk 'END {print NR+1}' out.txt)
-
-echo "
-set terminal png size 600,450
-set xlabel \"time (sec)\"
-set ylabel \"Instruction Virtual Address (MB)\"
-
-set output \"${TIMELINE_PNG}\"
-set title \"instruction page accessd timeline\"
-
-plot 'out.txt' using (\$0/$num*10):(\$3/1024/1024) with dots notitle
-" | gnuplot