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Diffstat (limited to '')
| -rw-r--r-- | scripts/plot_memory_usage.gp | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/scripts/plot_memory_usage.gp b/scripts/plot_memory_usage.gp new file mode 100644 index 0000000..33cc4e1 --- /dev/null +++ b/scripts/plot_memory_usage.gp @@ -0,0 +1,63 @@ + +# This file is part of PulseAudio. +# +# Copyright 2015 Ahmed S. Darwish <darwish.07@gmail.com> +# +# PulseAudio is free software; you can redistribute it and/or modify +# it under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# PulseAudio is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with PulseAudio; if not, see <http://www.gnu.org/licenses/>. + +# +# PulseAudio memory usage plotting script +# +# Before invocation, generate necessary data by running the +# 'benchmark_memory_usage.sh' bash script. Afterwards, you can plot +# such data by running: +# +# gnuplot plot_memory_usage.gp +# +# Note! To avoid scaling issues, memory is plotted in a "double y axis" +# form, with VM usage on the left, and dirty RSS memory usage on the +# right. The scales are different. +# + +# Print our user messages to the stdout +set print "-" + +benchDir = system('dirname ' .ARG0) .'/benchmarks/' +inputFile = benchDir ."memory-usage-LATEST.txt" +outputFile = benchDir ."pulse-memory-usage.png" + +set title "PulseAudio Memory Usage Over Time" +set xlabel "Number of councurrent 'paplay' clients" + +set ylabel "Virtual memory consumption (GiB)" +set y2label "Dirty RSS consumption (MiB)" +set ytics nomirror +set y2tics + +# Finer granulrity for x-axis ticks ... +set xtics 1,1 +set grid + +# Use Cairo's PNG backend. This produce images which are way +# better-rendered than the barebone classical png backend +set terminal pngcairo enhanced size 1000,768 font 'Verdana,10' +set output outputFile + +print "Plotting data from input file: ", inputFile +print "..." + +plot inputFile using 1:($2/1024/1024) title "VmSize" axes x1y1 with linespoints, \ + inputFile using 1:($3/1024) title "Dirty RSS" axes x1y2 with linespoints + +print "Done! Check our performance at: ", outputFile |