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[can-benchmark.git] / recvmmsg / ppc / plot2.gp

diff --git a/recvmmsg/ppc/plot2.gp b/recvmmsg/ppc/plot2.gp
new file mode 100755 (executable)
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+++ b/recvmmsg/ppc/plot2.gp
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+#!/usr/bin/env gnuplot
+# termsize 7cm,7cm
+set grid
+
+set xlabel "Frames [×1000]"
+set ylabel "RX Time [ms]"
+set key left reverse Left
+
+fit ard*x+brd "data" using 1:5  via ard, brd
+fit arm*x+brm "data" using 1:10 via arm, brm
+
+fit awr*x+bwr "data" using 1:3 via awr, bwr
+fit asm*x+bsm "data" using 1:8 via asm, bsm
+
+set yrange [0:]
+set y2range [0:]
+
+set multiplot layout 1,2
+set ylabel "RX Time [µs]"
+plot 'data' using ($1/1000):($5/$1)  with lp lc 1 title 'read()', \
+     'data' using ($1/1000):($10/$1) with lp lc 1 title 'recvmmsg()', \
+     ard with lines lt 1 lc rgbcolor "#aa0000" lw 1 title "", \
+     arm with lines lt 2 lc rgbcolor "#aa0000" lw 1 title ""
+
+set ylabel "TX Time [µs]"
+plot 'data' using ($1/1000):($3/$1)  with lp lc 2 title 'write()', \
+     'data' using ($1/1000):($8/$1)  with lp lc 2 title 'sendmmsg()', \
+     awr with lines lt 1 lc rgbcolor "#00aa00" lw 1 title "", \
+     asm with lines lt 2 lc rgbcolor "#00aa00" lw 1 title ""
+
+unset multiplot
+
+# ard*x+brd - arm*x-brm = 0
+# (ard-arm)*x = brm-brd
+xeq = (brm-brd)/(ard-arm)
+print "ard = ", ard
+print "arm = ", arm
+print "arm/ard = ", arm/ard
+print "Intersection at x = ", xeq
+print ""
+
+xeq = (bsm-bwr)/(awr-asm)
+print "awr = ", awr
+print "asm = ", asm
+print "asm/awr = ", asm/awr
+print "Intersection at x = ", xeq
+print ""
+print "recvmmsg speedup [%]: ", 100-(arm/ard*100)
+print "sendmmsg speedup [%]: ", 100-(asm/awr*100)