#!/bin/sh
# 
# For Stan.
#
#

max_time=60	# seconds - FIXME
ncpu=6		# FIXME

cpu_cpu=`expr $ncpu \* 80 / 100`
io_cpu=`expr $ncpu - $cpu_cpu`
io_thread=`expr $io_cpu \* 2`

echo "$cpu_cpu CPUs for computation"
echo "$io_thread file I/O threads"


# first trip
#
echo -n Setup ...
sysbench --num-threads=$io_thread --test=fileio --file-total-size=3G --file-test-mode=rndrw prepare
echo

# do it
#
echo -n Run ...
sysbench --test=cpu --cpu-max-prime=1000000000 --num-threads=$cpu_cpu --test=cpu run >cpu.out 2>cpu.err &
sysbench --max-time=$max_time --num-threads=$io_thread --test=fileio --file-total-size=3G --file-test-mode=rndrw run >fileio.out 2>fileio.err

# smack cpu test (time limits don't work!)
kill -9 $!
wait
echo

# last trip
#
echo -n Cleanup ...
sysbench --num-threads=$io_thread --test=fileio --file-total-size=3G --file-test-mode=rndrw cleanup
echo