From: Michal Sojka <sojkam1@fel.cvut.cz>
Date: Thu, 10 Sep 2009 14:52:33 +0000 (+0200)
Subject: Added test to check behavior under CPU load
X-Git-Tag: fix-allnoconfig~348
X-Git-Url: http://rtime.felk.cvut.cz/gitweb/can-benchmark.git/commitdiff_plain/93b8c07cee14fe8dba46fee93af3036d4ff0f77b?ds=sidebyside

Added test to check behavior under CPU load
---

diff --git a/tests/cpuload.sh b/tests/cpuload.sh
new file mode 100755
index 0000000..742cf85
--- /dev/null
+++ b/tests/cpuload.sh
@@ -0,0 +1,43 @@
+#!/bin/bash
+
+. _lib.sh
+
+NUM_PROC=30
+
+t() {
+    for i in norm boost; do
+	for budget in 300 1 1000; do
+	    echo $budget > /proc/sys/net/core/netdev_budget
+	    PID_LOAD=""; for j in `seq $NUM_PROC`; do sha1sum /dev/zero & PID_LOAD="$PID_LOAD $!"; done;
+	    echo 0 1 > $DRIVER-$i-$budget-1000.dat
+	    if [ $budget -eq 300 -o $DRIVER == "socketcan" ]; then
+		if [ $i != "boost" ] || boost_irq_prio 90; then
+		    PID_S=`vca_canping -s 1 -b -R FF:$RTPRIO -d $CAN1`
+		    vca_canping -m 1 -R FF:$RTPRIO -v -g $DRIVER-$i-$budget -t 1 -d $CAN0 -w 0 -c $COUNT
+		    kill $PID_S
+		fi
+	    fi
+	    kill $PID_LOAD  
+	done
+    done
+}
+
+
+
+p() { cat <<EOF
+set title "Round-trip time with CPU load"
+set logscale y
+set grid
+set xlabel "Time [ms]"
+set ylabel "Latency profile [messages]"
+plot [0:] \
+          "socketcan-norm-300-1000.dat" with lp lt 1 title "Socketcan",\
+          "lincan-norm-300-1000.dat" with lp lt 2 title "Lincan",\
+          "socketcan-boost-300-1000.dat" with lp lt 1 title "Socketcan boosted IRQ prio",\
+	   "lincan-boost-300-1000.dat" with lp lt 2 title "Lincan boosted IRQ prio",\
+          "socketcan-norm-1-1000.dat" with lp lt 1 title "Socketcan netdev\\\\_budget=1",\
+          "socketcan-boost-1-1000.dat" with lp lt 1 title "Socketcan boosted IRQ prio, netdev\\\\_budget=1",\
+          "socketcan-norm-1000-1000.dat" with lp lt 1 title "Socketcan, netdev\\\\_budget=1000",\
+          "socketcan-boost-1000-1000.dat" with lp lt 1 title "Socketcan boosted IRQ prio, netdev\\\\_budget=1000"
+EOF
+}
diff --git a/tests/cpuload2.sh b/tests/cpuload2.sh
new file mode 100755
index 0000000..5f3b26b
--- /dev/null
+++ b/tests/cpuload2.sh
@@ -0,0 +1,44 @@
+#!/bin/bash
+
+. _lib.sh
+
+NUM_PROC=30
+
+t() {
+    for i in norm boost; do
+	for budget in 300 1 1000; do
+	    echo $budget > /proc/sys/net/core/netdev_budget
+	    ( while hackbench -pipe 20; do true; done ) &
+	    PID_LOAD=$!
+	    echo 0 1 > $DRIVER-$i-$budget-1000.dat
+	    if [ $budget -eq 300 -o $DRIVER == "socketcan" ]; then
+		if [ $i != "boost" ] || boost_irq_prio 90; then
+		    PID_S=`vca_canping -s 1 -b -R FF:$RTPRIO -d $CAN1`
+		    vca_canping -m 1 -R FF:$RTPRIO -v -g $DRIVER-$i-$budget -t 1 -d $CAN0 -w 0 -c $COUNT
+		    kill $PID_S
+		fi
+	    fi
+	    kill $PID_LOAD  
+	done
+    done
+}
+
+
+
+p() { cat <<EOF
+set title "Round-trip time with CPU load (hackbench)"
+set logscale y
+set grid
+set xlabel "Time [ms]"
+set ylabel "Latency profile [messages]"
+plot [0:] \
+          "socketcan-norm-300-1000.dat" with lp lt 1 title "Socketcan",\
+          "lincan-norm-300-1000.dat" with lp lt 2 title "Lincan",\
+          "socketcan-boost-300-1000.dat" with lp lt 1 title "Socketcan boosted IRQ prio",\
+	   "lincan-boost-300-1000.dat" with lp lt 2 title "Lincan boosted IRQ prio",\
+          "socketcan-norm-1-1000.dat" with lp lt 1 title "Socketcan netdev\\\\_budget=1",\
+          "socketcan-boost-1-1000.dat" with lp lt 1 title "Socketcan boosted IRQ prio, netdev\\\\_budget=1",\
+          "socketcan-norm-1000-1000.dat" with lp lt 1 title "Socketcan, netdev\\\\_budget=1000",\
+          "socketcan-boost-1000-1000.dat" with lp lt 1 title "Socketcan boosted IRQ prio, netdev\\\\_budget=1000"
+EOF
+}