### stutter simulates a simple workload. One part uses a lot of anonymous
### memory, a second measures mmap latency and a third copies a large file.
### The primary metric is checking for mmap latency.
###
### This is a variation of stutter that uses multiple threads and fio as
### the io generator

export MMTESTS="stutterp"

# Test disk to setup (optional)
#export TESTDISK_RAID_DEVICES=
#export TESTDISK_RAID_MD_DEVICE=/dev/md0
#export TESTDISK_RAID_OFFSET=63
#export TESTDISK_RAID_SIZE=250019532
#export TESTDISK_RAID_TYPE=raid0
#export TESTDISK_PARTITION=/dev/sda6
#export TESTDISK_FILESYSTEM=ext3
#export TESTDISK_MKFS_PARAM="-f -d agcount=8"
#export TESTDISK_MOUNT_ARGS=""

# List of monitors
export RUN_MONITOR=yes
export MONITORS_ALWAYS=
export MONITORS_GZIP="proc-vmstat top iotop"
export MONITORS_WITH_LATENCY="vmstat iostat"
export MONITOR_UPDATE_FREQUENCY=10

# stutter
export DIRTY_RATIO=`cat /proc/sys/vm/dirty_ratio`
export STUTTER_SIZE=$((MEMTOTAL_BYTES*(100+DIRTY_RATIO)/100))
export STUTTER_FILE_PERCENTAGE=$DIRTY_RATIO
export STUTTER_MIN_THREADS=4
export STUTTER_MAX_THREADS=$((NUMCPUS*4))
export STUTTER_MEMFAULT_TMPFS=no
export STUTTER_DURATION=300

if [ $STUTTER_MAX_THREADS -gt 64 ]; then
	STUTTER_MAX_THREADS=64
fi
