ext4 LUKS2 mitgitiations=on


fio --filename=blyat --readwrite=write --bs=1m --direct=1 --loops=10000 -runtime=3m --name=plain --size=1g


plain: (g=0): rw=write, bs=(R) 1024KiB-1024KiB, (W) 1024KiB-1024KiB, (T) 1024KiB-1024KiB, ioengine=psync, iodepth=1
fio-3.35
Starting 1 process
plain: Laying out IO file (1 file / 1024MiB)
Jobs: 1 (f=1): [W(1)][100.0%][w=781MiB/s][w=780 IOPS][eta 00m:00s]
plain: (groupid=0, jobs=1): err= 0: pid=36214: Mon Aug 21 13:32:08 2023
 write: IOPS=834, BW=835MiB/s (875MB/s)(147GiB/180001msec); 0 zone resets
   clat (usec): min=984, max=3276, avg=1188.50, stdev=151.92
    lat (usec): min=989, max=3283, avg=1194.37, stdev=152.27
   clat percentiles (usec):
    |  1.00th=[ 1074],  5.00th=[ 1090], 10.00th=[ 1106], 20.00th=[ 1123],
    | 30.00th=[ 1123], 40.00th=[ 1139], 50.00th=[ 1156], 60.00th=[ 1172],
    | 70.00th=[ 1188], 80.00th=[ 1205], 90.00th=[ 1237], 95.00th=[ 1516],
    | 99.00th=[ 1876], 99.50th=[ 1958], 99.90th=[ 2278], 99.95th=[ 2376],
    | 99.99th=[ 2737]
  bw (  KiB/s): min=598016, max=915456, per=100.00%, avg=855766.97, stdev=31044.40, samples=359
  iops        : min=  584, max=  894, avg=835.58, stdev=30.34, samples=359
 lat (usec)   : 1000=0.01%
 lat (msec)   : 2=99.63%, 4=0.37%
 cpu          : usr=0.72%, sys=3.22%, ctx=150427, majf=0, minf=9
 IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
    submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
    complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
    issued rwts: total=0,150230,0,0 short=0,0,0,0 dropped=0,0,0,0
    latency   : target=0, window=0, percentile=100.00%, depth=1

Run status group 0 (all jobs):
 WRITE: bw=835MiB/s (875MB/s), 835MiB/s-835MiB/s (875MB/s-875MB/s), io=147GiB (158GB), run=180001-180001msec

Disk stats (read/write):
   dm-1: ios=185/152086, merge=0/0, ticks=80/169237, in_queue=169317, util=100.00%, aggrios=185/152177, aggrmerge=0/0, aggrticks=77/169020, aggrin_queue=169096, aggrutil=100.00%
   dm-0: ios=185/152177, merge=0/0, ticks=77/169020, in_queue=169096, util=100.00%, aggrios=185/1203336, aggrmerge=0/468, aggrticks=61/103013, aggrin_queue=103101, aggrutil=100.00%
 nvme0n1: ios=185/1203336, merge=0/468, ticks=61/103013, in_queue=103101, util=100.00%

-------------------------

fio --filename=blyat --readwrite=read --bs=1m --direct=1 --loops=10000 -runtime=3m --name=plain --size=1g


plain: (g=0): rw=read, bs=(R) 1024KiB-1024KiB, (W) 1024KiB-1024KiB, (T) 1024KiB-1024KiB, ioengine=psync, iodepth=1
fio-3.35
Starting 1 process
Jobs: 1 (f=1): [R(1)][100.0%][r=973MiB/s][r=972 IOPS][eta 00m:00s]
plain: (groupid=0, jobs=1): err= 0: pid=36350: Mon Aug 21 13:36:54 2023
 read: IOPS=980, BW=981MiB/s (1028MB/s)(172GiB/180000msec)
   clat (usec): min=906, max=10511, avg=1015.03, stdev=152.01
    lat (usec): min=907, max=10513, avg=1016.43, stdev=152.03
   clat percentiles (usec):
    |  1.00th=[  938],  5.00th=[  955], 10.00th=[  963], 20.00th=[  971],
    | 30.00th=[  979], 40.00th=[  979], 50.00th=[  988], 60.00th=[  996],
    | 70.00th=[ 1004], 80.00th=[ 1020], 90.00th=[ 1057], 95.00th=[ 1156],
    | 99.00th=[ 1500], 99.50th=[ 1713], 99.90th=[ 3392], 99.95th=[ 3884],
    | 99.99th=[ 5080]
  bw (  KiB/s): min=725588, max=1058816, per=100.00%, avg=1005171.93, stdev=33487.85, samples=359
  iops        : min=  708, max= 1034, avg=981.57, stdev=32.68, samples=359
 lat (usec)   : 1000=64.91%
 lat (msec)   : 2=34.86%, 4=0.19%, 10=0.04%, 20=0.01%
 cpu          : usr=0.08%, sys=12.09%, ctx=176655, majf=0, minf=266
 IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
    submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
    complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
    issued rwts: total=176504,0,0,0 short=0,0,0,0 dropped=0,0,0,0
    latency   : target=0, window=0, percentile=100.00%, depth=1

Run status group 0 (all jobs):
  READ: bw=981MiB/s (1028MB/s), 981MiB/s-981MiB/s (1028MB/s-1028MB/s), io=172GiB (185GB), run=180000-180000msec

Disk stats (read/write):
   dm-1: ios=176426/2145, merge=0/0, ticks=164187/90, in_queue=164277, util=100.00%, aggrios=176527/2153, aggrmerge=0/0, aggrticks=163873/90, aggrin_queue=163963, aggrutil=100.00%
   dm-0: ios=176527/2153, merge=0/0, ticks=163873/90, in_queue=163963, util=100.00%, aggrios=1412055/1691, aggrmerge=0/492, aggrticks=109011/154, aggrin_queue=109192, aggrutil=100.00%
 nvme0n1: ios=1412055/1691, merge=0/492, ticks=109011/154, in_queue=109192, util=100.00%