mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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84 lines
2.5 KiB
Bash
84 lines
2.5 KiB
Bash
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#!/bin/bash
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# dumps a gnuplot script to stdout that plot of the given log
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usage="\
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Usage:$0 [--title=<title>] [--log=<log>] [--format={png,pdf,ps,svg}] [--pagesize={a3,a4}]| gnuplot"
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# default options
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title="GStreamer trace"
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log="trace.log"
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format="png"
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pagesize="a3"
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# process commandline options
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# @todo: add support for single letter options
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while true; do
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case "X$1" in
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X--version) echo "0.1"; exit 0;;
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X--help) echo "$usage"; exit 0;;
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X--title=*) title=`echo $1 | sed s/.*=//`; shift;;
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X--log=*) log=`echo $1 | sed s/.*=//`; shift;;
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X--format=*) format=`echo $1 | sed s/.*=//`; shift;;
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X--pagesize=*) pagesize=`echo $1 | sed s/.*=//`; shift;;
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X--*) shift;;
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X*) break;;
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esac
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done
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tmp=`mktemp -d`
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plot_width=1600
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plot_height=1200
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# filter log
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grep "proc-rusage," $log | cut -c154- | sed -e 's#ts=(guint64)##' -e 's#[a-z]*-cpuload=(uint)##g' -e 's#time=(guint64)##' -e 's#;##' -e 's#, # #g' | sort -n >$tmp/cpu_proc.dat
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grep "thread-rusage," $log | cut -c156- | sed -e 's#ts=(guint64)##' -e 's#thread-id=(uint)##g' -e 's#[a-z]*-cpuload=(uint)##g' -e 's#time=(guint64)##' -e 's#;##' -e 's#, # #g' | sort -n >$tmp/cpu_threads.dat
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( cd $tmp; awk -F" " '{ print $1, $3, $4, $5 >"cpu_thread."$2".dat" }' cpu_threads.dat )
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# configure output
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# http://en.wikipedia.org/wiki/Paper_size
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case $pagesize in
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a3) page_with="29.7 cm";page_height="42.0 cm";;
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a4) page_with="21.0 cm";page_height="29.7 cm";;
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esac
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# http://www.gnuplot.info/docs/node341.html (terminal options)
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case $format in
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# this doen't like fonts
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png) echo "set term png truecolor font \"Sans,7\" size $plot_width,$plot_height";;
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# pdf makes a new page for each plot :/
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pdf) echo "set term pdf color font \"Sans,7\" size $page_with,$page_height";;
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ps) echo "set term postscript portrait color solid \"Sans\" 7 size $page_with,$page_height";;
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svg) echo "set term svg size $plot_width,$plot_height font \"Sans,7\"";;
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esac
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cat <<EOF
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set output '$log.cpu.$format'
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set xlabel "Time (ns)"
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set ylabel "Per-Mille"
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set grid
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plot \\
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'$tmp/cpu_proc.dat' using 1:2 with lines title 'avg cpu', \\
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'' using 1:3 with lines title 'cur cpu'
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set output '$log.thread.$format'
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set xlabel "Time (ns)"
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set ylabel "Per-Mille"
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set grid
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plot \\
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EOF
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for file in $tmp/cpu_thread.*.dat ; do
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ct=`cat $file | wc -l`
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if [ $ct -lt 100 ]; then
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continue
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fi
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id=`echo $file | sed 's#.*cpu_thread.\([0-9]*\).dat#\1#'`
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cat <<EOF
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'$file' using 1:2 with lines title '$id avg cpu', \\
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'' using 1:3 with lines title '$id cur cpu', \\
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EOF
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done
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cat <<EOF
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EOF
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