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vmc8toc7_c8_iperf.sh
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vmc8toc7_c8_iperf.sh
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#! /usr/bin/env bash
#Bash script to run tests and record resulsts + system resource usage
IF="ens2"
IP_SRV="192.168.100.1"
OUTFILE="/root/scripts/ib_send_bw.txt"
RUNTIME="30" # in seconds
MTU="1500"
#PERFCMD="perf stat -e cpu-migrations,context-switches,task-clock,cycles,instructions,cache-references,cache-misses"
#RPERFCMD="rperf -c $IP_SERVER -p 5001 -H -G pw -l 500M -i 2 -t $RUNTIME"
NETSTAT='cat /proc/net/dev | awk "/${IF}:/ {print \$1,\$2,\$10}"'
SLEEP="30"
HOSTNAME="c8"
WINSIZE="200k" # in KB
THREADS="1"
#When collecting data from experiments run in the VM, specify the I/O virt used: paravirt/virtio, SR-IOV or novirt (bare metal).
IOVIRT="novirt"
TESTFILENAME="$(date +%F_%H-%M-%S)_vmc8toc7_${HOSTNAME}_iperf_mtu${MTU}_${IOVIRT}.txt"
#while true; do echo -n "$(rperf -c 192.168.100.1 -p 5001 -H -G pw -l 500M -y C) " >> test1_bm_to_bm.txt && cat /proc/loadavg >> test1_bm_to_bm.txt; done
#echo -e "Timestamp\t CPULoad1m CPULoad5m CPULoad5m NetDevRX NetDevTX IRQens2-0 IRQens2-1 IRQens2-2 IRQens2-3 IRQens2-4 IRQens2-5 IRQens2-6 IRQens2-7 user nice system idle iowait irq softirq steal guest guest_nice " > $TESTFILENAME
echo -e "StartTime,StartEpoch,EndTime,EndEpoch,CPULoad1m,CPULoad5m,CPULoad5m,NetDevRX,NetDevTX,IRQens2-0,IRQens2-1,IRQens2-2,IRQens2-3,IRQens2-4,IRQens2-5,IRQens2-6,IRQens2-7,user,nice,system,idle,iowait,irq,softirq,steal,guest,guest_nice,MemTotal,MemFree,MemAvailable,Buffers,Cached" > $TESTFILENAME
while true
do
StartTime=$(echo -n "$(date +%F_%H-%M-%S.%N)")
StartEpoch=$(echo -n "$(date +%s.%N)")
#echo -n "$(ib_send_bw -m 4096 -d mlx4_0 -i 1 -F --report_gbits $IP_SRV --output=bandwidth)," >> $TESTFILENAME
#BW=$(echo -n $(iperf -c $IP_SRV -t 30 -w ${WINSIZE} -P ${THREADS} -y C | awk -F',' '{print $9}'))
#For P2/3/4, the output is different than for single thread!!! one line for each thread + a summary line
#BW=$(echo -n $(iperf -c $IP_SRV -t 30 -w ${WINSIZE} -P ${THREADS} -y C | tail -n1| awk -F',' '{print $9}'))
CPULoad=$(echo -n $(awk '{print $1 "," $2 "," $3}' /proc/loadavg))
##We are done with running the command
EndTime=$(echo -n "$(date +%F_%H-%M-%S.%N)")
EndEpoch=$(echo -n "$(date +%s.%N)")
NetDevRX=$(echo -n $(cat /proc/net/dev | awk "/${IF}:/ {print \$2}"))
NetDevTX=$(echo -n $(cat /proc/net/dev | awk "/${IF}:/ {print \$10}"))
IRQ0=$(echo -n $(awk '/.*ens2-0$/ {print $2} ' /proc/interrupts))
IRQ1=$(echo -n $(awk '/.*ens2-1$/ {print $3} ' /proc/interrupts))
IRQ2=$(echo -n $(awk '/.*ens2-2$/ {print $4} ' /proc/interrupts))
IRQ3=$(echo -n $(awk '/.*ens2-3$/ {print $5} ' /proc/interrupts))
IRQ4=$(echo -n $(awk '/.*ens2-4$/ {print $6} ' /proc/interrupts))
IRQ5=$(echo -n $(awk '/.*ens2-5$/ {print $7} ' /proc/interrupts))
IRQ6=$(echo -n $(awk '/.*ens2-6$/ {print $8} ' /proc/interrupts))
IRQ7=$(echo -n $(awk '/.*ens2-7$/ {print $9} ' /proc/interrupts))
ProcStats=$(echo -n $(awk '/^cpu .*/ {print $2 "," $3 "," $4 "," $5 "," $6 "," $7 "," $8 "," $9 "," $10 "," $11 }' /proc/stat))
MemTotal=$(echo -n $(awk '/^MemTotal/ {print $2}' /proc/meminfo))
MemFree=$(echo -n $(awk '/^MemFree/ {print $2}' /proc/meminfo))
MemAvailable=$(echo -n $(awk '/^MemAvailable/ {print $2}' /proc/meminfo))
Buffers=$(echo -n $(awk '/^Buffers/ {print $2}' /proc/meminfo))
Cached=$(echo -n $(awk '/^Cached/ {print $2}' /proc/meminfo))
echo -e "${StartTime},${StartEpoch},${EndTime},${EndEpoch},${CPULoad},${NetDevRX},${NetDevTX},${IRQ0},${IRQ1},${IRQ2},${IRQ3},${IRQ4},${IRQ5},${IRQ6},${IRQ7},${ProcStats},${MemTotal},${MemFree},${MemAvailable},${Buffers},${Cached}" >> $TESTFILENAME
sleep ${SLEEP}
done
##TODO store the values in variables and then at the end write to the file
# Give 1s for the server to re-spawn
#sleep 1
# sleep 30
#IRQs awk '/.*0$/ {print $2} ' /proc/interrupts
#TODO add capture of cat /proc/net/dev | awk "/${IF}:/ {print \$1},${\$2},${\$10}"
#Start the "server" with 'while true; do ib_send_bw -D 90 -m 4096; done