fio ext4 dax+psync

[global]
name=fio-rand 
rw=randrw
rwmixread=0
norandommap=1 
invalidate=0 
bs=4k
numjobs=24
time_based=1 
clocksource=cpu 
ramp_time=30 
runtime=120 
group_reporting=1 
ioengine=psync
iodepth=1

[pnode1]
directory=/mnt/pmem1
size=630G 
filename=file1.0.0:file1.0.1:file1.0.2:file1.0.3:file1.0.4:file1.0.5:file1.0.6:file1.0.7:file1.0.8:file1.0.9:file1.0.10:file1.0.11:file1.0.12:file1.0.13:file1.0.14:file1.0.15:file1.0.16:file1.0.17:file1.0.18:file1.0.19:file1.0.20:file1.0.21:file1.0.22:file1.0.23:file1.0.24:file1.0.25:file1.0.26:file1.0.27:file1.0.28:file1.0.29:file1.0.30:file1.0.31:file1.0.32:file1.0.33:file1.0.34:file1.0.35:file1.0.36:file1.0.37:file1.0.38:file1.0.39:file1.0.40:file1.0.41:file1.0.42:file1.0.43:file1.0.44:file1.0.45:file1.0.46:file1.0.47:file1.0.48:file1.0.49:file1.0.50:file1.0.51:file1.0.52:file1.0.53:file1.0.54:file1.0.55:file1.0.56:file1.0.57:file1.0.58:file1.0.59:file1.0.60:file1.0.61:file1.0.62 
file_service_type=random 
nrfiles=63 
cpus_allowed=24-47