From 2bb8c6e5b672588d0a795ba409dc990839cf5a83 Mon Sep 17 00:00:00 2001
From: tastytea <tastytea@tastytea.de>
Date: Sun, 5 Dec 2021 13:49:58 +0100
Subject: [PATCH] memleak: Record and plot Swap usage.

- Put RSS together with USS and PSS on y1
- Put Swap on y2
---
 memleak/memory-consumption-over-time.gp | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/memleak/memory-consumption-over-time.gp b/memleak/memory-consumption-over-time.gp
index e0ab6cf..41de139 100755
--- a/memleak/memory-consumption-over-time.gp
+++ b/memleak/memory-consumption-over-time.gp
@@ -1,7 +1,7 @@
 #!/usr/bin/env -S gnuplot --persist -c
 # Gnuplot script for data generated with:
 # smem -P '^myprogram' -t | tail -n1 \
-#   | awk '{print "USS:", $4; print "PSS:",$5; print "RSS:",$6;}' \
+#   | awk '{print "USS:", $4; print "PSS:",$5; print "RSS:",$6; print "SWP:",$3;}' \
 #   | sed "s/:/ $(date --iso-8601=minutes)/" >> mem-myprogram.data
 
 # Example usage: ./memory-consumption-over-time.gp myprogram 2021-12-05T08:42
@@ -23,8 +23,8 @@ if (ARGC > 1) {
 set title sprintf('%s memory consumption over time', myprog)
 set key left top
 set xlabel 'Time (Hours)'
-set ylabel 'MiB (USS, PSS)'
-set y2label 'MiB (RSS)' textcolor 'dark-orange'
+set ylabel 'MiB (USS, PSS, RSS)'
+set y2label 'MiB (Swap)' textcolor 'dark-red'
 
 set xdata time
 set timefmt mytimefmt
@@ -35,11 +35,11 @@ set xtics 21600                 # 1 tic every 6 hours.
 set mxtics 6                    # 1 mtic every hour.
 set ytics 10 nomirror           # 1 tic every 10 MiB.
 set mytics 2                    # 1 mtic every 5 MiB.
-set y2tics 10 nomirror textcolor 'dark-orange'
+set y2tics 10 nomirror textcolor 'dark-red'
 set my2tics 2
 set grid xtics ytics mxtics mytics lc "gray50" lw 0.75, lc "gray" lw 0.5
 
-# myfont = "Source Sans Pro,12"
+myfont = "Source Sans Pro,12"
 
 # set terminal qt enhanced size 1200,900 font myfont
 
@@ -50,13 +50,16 @@ myfont = "Source Sans Pro,16"
 set terminal svg enhanced background rgb 'white' size 1200,900 dynamic font myfont
 set output sprintf("%s memory consumption over time.svg", myprog)
 
-plot infile every 3::0 using ((timecolumn(2) - mystarttime)):($3/1024) title 'USS' \
+plot infile every 4::0 using ((timecolumn(2) - mystarttime)):($3/1024) title 'USS' \
      with linespoints linewidth 2 pointtype 7 pointsize 0.5 linecolor 'dark-violet', \
      \
-     '' every 3::1 using ((timecolumn(2) - mystarttime)):($3/1024) title 'PSS' \
+     '' every 4::1 using ((timecolumn(2) - mystarttime)):($3/1024) title 'PSS' \
      with linespoints linewidth 2 pointtype 7 pointsize 0.5 linecolor 'dark-green', \
      \
-     '' every 3::2 using ((timecolumn(2) - mystarttime)):($3/1024) title 'RSS' \
-     with linespoints linewidth 2 pointtype 7 pointsize 0.5 linecolor 'dark-orange' axes x1y2
+     '' every 4::2 using ((timecolumn(2) - mystarttime)):($3/1024) title 'RSS' \
+     with linespoints linewidth 2 pointtype 7 pointsize 0.5 linecolor 'dark-orange', \
+     \
+     '' every 4::3 using ((timecolumn(2) - mystarttime)):($3/1024) title 'Swap' \
+     with linespoints linewidth 2 pointtype 7 pointsize 0.5 linecolor 'dark-red' axes x1y2
 
 print 'Maximum = ',GPVAL_DATA_Y_MAX