stress_coresched.sh

#!/bin/bash

set -e
#set -x

CPUS="0-11,24-35"

echo "Creating cgroups.."
sudo cgcreate -g cpu,cpuset:set1
sudo cgcreate -g cpu,cpuset:set2

echo "Setting cpuset.cpus to $CPUS..."
sudo cgset -r cpuset.cpus="$CPUS" set1
sudo cgset -r cpuset.cpus="$CPUS" set2

echo "Setting cpuset.mems to 0..."
sudo cgset -r cpuset.mems=0 set1
sudo cgset -r cpuset.mems=0 set2

echo "Setting shares..."
sudo cgset -r cpu.shares=10240 set1
sudo cgset -r cpu.shares=2 set2


echo "Setting tags..."
sudo cgset -r cpu.tag=1 set1
sudo cgset -r cpu.tag=1 set2

for j in $(seq 1 16); do
  sudo cgexec -g cpu,cpuset:set1 sysbench --test=cpu --cpu-max-prime=100000  --max-time=30 run  > "out/log.set1.$j" 2>&1 &
done
for j in $(seq 1 32); do
  sudo cgexec -g cpu,cpuset:set2 sysbench --test=cpu --cpu-max-prime=100000  --max-time=30 run  > "out/log.set2.$j" 2>&1 &
done

wait

echo "("`grep "events per second" out/log.set1.*|awk '{print $5}'|tr '\n' '+'`"0.0)/16" | bc -l
echo "("`grep "events per second" out/log.set2.*|awk '{print $5}'|tr '\n' '+'`"0.0)/32" | bc -l

sudo cgset -r cpu.tag=0 set1
sudo cgset -r cpu.tag=0 set2
sudo cgdelete -g cpu,cpuset:set1
sudo cgdelete -g cpu,cpuset:set2

sudo cgexec -g cpu,cpuset:set2 /usr/local/bin/sysbench --test=cpu --threads=24 --cpu-max-prime=100000 --time=35 run > "out/log.set2" 2>&1 &
sleep 5
sudo cgexec -g cpu,cpuset:set1 /usr/local/bin/sysbench --test=cpu --threads=12 --cpu-max-prime=100000 --time=30 run > "out/log.set1" 2>&1 &