== sanity test 398b: DIO and buffer IO race ============== 09:23:53 (1774531433)
/usr/bin/fio
12+0 records in
12+0 records out
12582912 bytes (13 MB, 12 MiB) copied, 0.106876 s, 118 MB/s
mix direct rw 12M to OST0 by fio with 4 jobs...
mix buffer rw 12M to OST0 by fio with 4 jobs...
rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16
...
fio-3.19
Starting 4 processes
rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16
...
fio-3.19
Starting 4 processes

rand-rw: (groupid=0, jobs=1): err= 0: pid=147782: Thu Mar 26 09:24:02 2026
  read: IOPS=131, BW=528KiB/s (540kB/s)(1480KiB/2804msec)
    clat (usec): min=4, max=45656, avg=4366.27, stdev=5195.78
     lat (usec): min=4, max=45657, avg=4366.74, stdev=5195.81
    clat percentiles (usec):
     |  1.00th=[    9],  5.00th=[   13], 10.00th=[   16], 20.00th=[   22],
     | 30.00th=[   31], 40.00th=[ 2180], 50.00th=[ 3687], 60.00th=[ 4817],
     | 70.00th=[ 5932], 80.00th=[ 6849], 90.00th=[ 9372], 95.00th=[12256],
     | 99.00th=[26870], 99.50th=[31065], 99.90th=[45876], 99.95th=[45876],
     | 99.99th=[45876]
   bw (  KiB/s): min=  328, max=  688, per=23.65%, avg=505.00, stdev=138.88, samples=5
   iops        : min=   82, max=  172, avg=126.20, stdev=34.69, samples=5
  write: IOPS=141, BW=568KiB/s (581kB/s)(1592KiB/2804msec); 0 zone resets
    clat (usec): min=129, max=48790, avg=2966.62, stdev=4083.36
     lat (usec): min=129, max=48790, avg=2967.18, stdev=4083.35
    clat percentiles (usec):
     |  1.00th=[  149],  5.00th=[  204], 10.00th=[  258], 20.00th=[  318],
     | 30.00th=[  383], 40.00th=[ 1467], 50.00th=[ 2073], 60.00th=[ 2573],
     | 70.00th=[ 3523], 80.00th=[ 5014], 90.00th=[ 6915], 95.00th=[ 8848],
     | 99.00th=[13960], 99.50th=[37487], 99.90th=[49021], 99.95th=[49021],
     | 99.99th=[49021]
   bw (  KiB/s): min=  367, max=  696, per=24.55%, avg=551.40, stdev=140.93, samples=5
   iops        : min=   91, max=  174, avg=137.60, stdev=35.56, samples=5
  lat (usec)   : 10=0.78%, 20=7.81%, 50=7.03%, 100=0.39%, 250=4.82%
  lat (usec)   : 500=13.28%, 750=1.56%, 1000=1.04%
  lat (msec)   : 2=7.03%, 4=19.79%, 10=30.47%, 20=4.95%, 50=1.04%
  cpu          : usr=0.18%, sys=13.49%, ctx=961, majf=0, minf=16
  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=370,398,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=16
rand-rw: (groupid=0, jobs=1): err= 0: pid=147783: Thu Mar 26 09:24:02 2026
  read: IOPS=128, BW=514KiB/s (526kB/s)(1436KiB/2796msec)
    clat (usec): min=5, max=34221, avg=4419.17, stdev=4872.63
     lat (usec): min=5, max=34221, avg=4419.64, stdev=4872.64
    clat percentiles (usec):
     |  1.00th=[    8],  5.00th=[   15], 10.00th=[   18], 20.00th=[   23],
     | 30.00th=[  100], 40.00th=[ 2737], 50.00th=[ 3851], 60.00th=[ 4948],
     | 70.00th=[ 6063], 80.00th=[ 7046], 90.00th=[ 8979], 95.00th=[10814],
     | 99.00th=[28443], 99.50th=[34341], 99.90th=[34341], 99.95th=[34341],
     | 99.99th=[34341]
   bw (  KiB/s): min=  367, max=  712, per=24.25%, avg=517.80, stdev=146.56, samples=5
   iops        : min=   91, max=  178, avg=129.20, stdev=36.90, samples=5
  write: IOPS=146, BW=585KiB/s (599kB/s)(1636KiB/2796msec); 0 zone resets
    clat (usec): min=130, max=20733, avg=2935.61, stdev=3263.84
     lat (usec): min=130, max=20734, avg=2936.18, stdev=3263.84
    clat percentiles (usec):
     |  1.00th=[  157],  5.00th=[  212], 10.00th=[  243], 20.00th=[  302],
     | 30.00th=[  420], 40.00th=[ 1483], 50.00th=[ 1958], 60.00th=[ 2540],
     | 70.00th=[ 3556], 80.00th=[ 4817], 90.00th=[ 7308], 95.00th=[ 9634],
     | 99.00th=[13829], 99.50th=[14877], 99.90th=[20841], 99.95th=[20841],
     | 99.99th=[20841]
   bw (  KiB/s): min=  444, max=  832, per=26.02%, avg=584.40, stdev=149.55, samples=5
   iops        : min=  111, max=  208, avg=146.00, stdev=37.46, samples=5
  lat (usec)   : 10=0.78%, 20=6.51%, 50=6.51%, 100=0.26%, 250=6.38%
  lat (usec)   : 500=11.46%, 750=1.30%, 1000=0.52%
  lat (msec)   : 2=8.85%, 4=20.70%, 10=31.51%, 20=4.30%, 50=0.91%
  cpu          : usr=0.32%, sys=12.31%, ctx=962, majf=0, minf=16
  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=359,409,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=16
rand-rw: (groupid=0, jobs=1): err= 0: pid=147784: Thu Mar 26 09:24:02 2026
  read: IOPS=140, BW=561KiB/s (574kB/s)(1564KiB/2788msec)
    clat (usec): min=5, max=59556, avg=4179.01, stdev=4771.83
     lat (usec): min=5, max=59556, avg=4179.58, stdev=4771.77
    clat percentiles (usec):
     |  1.00th=[    7],  5.00th=[   13], 10.00th=[   17], 20.00th=[   22],
     | 30.00th=[   34], 40.00th=[ 2966], 50.00th=[ 4015], 60.00th=[ 5014],
     | 70.00th=[ 5735], 80.00th=[ 6783], 90.00th=[ 8291], 95.00th=[ 9896],
     | 99.00th=[19268], 99.50th=[24249], 99.90th=[59507], 99.95th=[59507],
     | 99.99th=[59507]
   bw (  KiB/s): min=  386, max=  728, per=26.97%, avg=575.80, stdev=135.35, samples=5
   iops        : min=   96, max=  182, avg=143.80, stdev=34.02, samples=5
  write: IOPS=135, BW=541KiB/s (554kB/s)(1508KiB/2788msec); 0 zone resets
    clat (usec): min=130, max=55107, avg=3038.13, stdev=4285.21
     lat (usec): min=130, max=55108, avg=3038.80, stdev=4285.21
    clat percentiles (usec):
     |  1.00th=[  167],  5.00th=[  204], 10.00th=[  227], 20.00th=[  281],
     | 30.00th=[  355], 40.00th=[  775], 50.00th=[ 1942], 60.00th=[ 2442],
     | 70.00th=[ 3458], 80.00th=[ 5014], 90.00th=[ 7570], 95.00th=[ 9896],
     | 99.00th=[15008], 99.50th=[22938], 99.90th=[55313], 99.95th=[55313],
     | 99.99th=[55313]
   bw (  KiB/s): min=  422, max=  640, per=23.84%, avg=535.40, stdev=83.36, samples=5
   iops        : min=  105, max=  160, avg=133.60, stdev=21.10, samples=5
  lat (usec)   : 10=1.30%, 20=7.94%, 50=7.29%, 100=0.13%, 250=7.16%
  lat (usec)   : 500=10.42%, 750=2.08%, 1000=0.13%
  lat (msec)   : 2=6.64%, 4=18.23%, 10=33.85%, 20=4.17%, 50=0.39%
  lat (msec)   : 100=0.26%
  cpu          : usr=0.25%, sys=12.02%, ctx=967, majf=0, minf=17
  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=391,377,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=16
rand-rw: (groupid=0, jobs=1): err= 0: pid=147785: Thu Mar 26 09:24:02 2026
  read: IOPS=142, BW=568KiB/s (582kB/s)(1508KiB/2653msec)
    clat (usec): min=6, max=32617, avg=3925.28, stdev=4232.91
     lat (usec): min=6, max=32618, avg=3925.72, stdev=4232.94
    clat percentiles (usec):
     |  1.00th=[   10],  5.00th=[   13], 10.00th=[   18], 20.00th=[   22],
     | 30.00th=[   28], 40.00th=[ 2606], 50.00th=[ 3458], 60.00th=[ 4293],
     | 70.00th=[ 5407], 80.00th=[ 6718], 90.00th=[ 8455], 95.00th=[11338],
     | 99.00th=[17171], 99.50th=[28443], 99.90th=[32637], 99.95th=[32637],
     | 99.99th=[32637]
   bw (  KiB/s): min=  400, max=  888, per=27.03%, avg=577.00, stdev=186.66, samples=5
   iops        : min=  100, max=  222, avg=144.20, stdev=46.66, samples=5
  write: IOPS=147, BW=590KiB/s (604kB/s)(1564KiB/2653msec); 0 zone resets
    clat (usec): min=140, max=46554, avg=2977.24, stdev=4266.38
     lat (usec): min=140, max=46555, avg=2977.81, stdev=4266.37
    clat percentiles (usec):
     |  1.00th=[  176],  5.00th=[  202], 10.00th=[  229], 20.00th=[  285],
     | 30.00th=[  334], 40.00th=[  457], 50.00th=[ 1762], 60.00th=[ 2311],
     | 70.00th=[ 3261], 80.00th=[ 5014], 90.00th=[ 7832], 95.00th=[10028],
     | 99.00th=[18744], 99.50th=[27919], 99.90th=[46400], 99.95th=[46400],
     | 99.99th=[46400]
   bw (  KiB/s): min=  451, max=  872, per=26.79%, avg=601.80, stdev=167.96, samples=5
   iops        : min=  112, max=  218, avg=150.20, stdev=42.24, samples=5
  lat (usec)   : 10=0.91%, 20=6.90%, 50=8.46%, 250=7.29%, 500=14.19%
  lat (usec)   : 750=1.30%, 1000=0.39%
  lat (msec)   : 2=6.12%, 4=19.92%, 10=28.91%, 20=4.95%, 50=0.65%
  cpu          : usr=0.45%, sys=11.99%, ctx=929, majf=0, minf=16
  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=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=16

Run status group 0 (all jobs):
   READ: bw=2136KiB/s (2187kB/s), 514KiB/s-568KiB/s (526kB/s-582kB/s), io=5988KiB (6132kB), run=2653-2804msec
  WRITE: bw=2247KiB/s (2301kB/s), 541KiB/s-590KiB/s (554kB/s-604kB/s), io=6300KiB (6451kB), run=2653-2804msec

rand-rw: (groupid=0, jobs=1): err= 0: pid=147777: Thu Mar 26 09:24:04 2026
  read: IOPS=86, BW=348KiB/s (356kB/s)(1480KiB/4255msec)
    clat (usec): min=968, max=50406, avg=3940.01, stdev=5078.06
     lat (usec): min=969, max=50407, avg=3940.75, stdev=5078.05
    clat percentiles (usec):
     |  1.00th=[ 1012],  5.00th=[ 1205], 10.00th=[ 1287], 20.00th=[ 1467],
     | 30.00th=[ 1631], 40.00th=[ 1942], 50.00th=[ 2245], 60.00th=[ 2802],
     | 70.00th=[ 3687], 80.00th=[ 5014], 90.00th=[ 8094], 95.00th=[11731],
     | 99.00th=[27657], 99.50th=[47973], 99.90th=[50594], 99.95th=[50594],
     | 99.99th=[50594]
   bw (  KiB/s): min=  178, max=  560, per=24.46%, avg=344.12, stdev=151.18, samples=8
   iops        : min=   44, max=  140, avg=85.88, stdev=37.97, samples=8
  write: IOPS=93, BW=374KiB/s (383kB/s)(1592KiB/4255msec); 0 zone resets
    clat (usec): min=1801, max=37455, avg=6981.26, stdev=4648.28
     lat (usec): min=1802, max=37456, avg=6982.16, stdev=4648.28
    clat percentiles (usec):
     |  1.00th=[ 2180],  5.00th=[ 2868], 10.00th=[ 3163], 20.00th=[ 3785],
     | 30.00th=[ 4228], 40.00th=[ 4948], 50.00th=[ 5669], 60.00th=[ 6456],
     | 70.00th=[ 7439], 80.00th=[ 9634], 90.00th=[12125], 95.00th=[15139],
     | 99.00th=[29754], 99.50th=[34341], 99.90th=[37487], 99.95th=[37487],
     | 99.99th=[37487]
   bw (  KiB/s): min=  205, max=  648, per=25.10%, avg=371.50, stdev=174.08, samples=8
   iops        : min=   51, max=  162, avg=92.75, stdev=43.65, samples=8
  lat (usec)   : 1000=0.39%
  lat (msec)   : 2=19.92%, 4=27.60%, 10=38.93%, 20=11.20%, 50=1.82%
  lat (msec)   : 100=0.13%
  cpu          : usr=0.24%, sys=3.83%, ctx=830, majf=0, minf=11
  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=370,398,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=16
rand-rw: (groupid=0, jobs=1): err= 0: pid=147778: Thu Mar 26 09:24:04 2026
  read: IOPS=85, BW=341KiB/s (350kB/s)(1436KiB/4205msec)
    clat (usec): min=935, max=33604, avg=3628.98, stdev=3776.14
     lat (usec): min=935, max=33605, avg=3629.54, stdev=3776.18
    clat percentiles (usec):
     |  1.00th=[ 1057],  5.00th=[ 1188], 10.00th=[ 1287], 20.00th=[ 1467],
     | 30.00th=[ 1680], 40.00th=[ 1942], 50.00th=[ 2245], 60.00th=[ 2769],
     | 70.00th=[ 3458], 80.00th=[ 5211], 90.00th=[ 7832], 95.00th=[10552],
     | 99.00th=[17433], 99.50th=[33424], 99.90th=[33817], 99.95th=[33817],
     | 99.99th=[33817]
   bw (  KiB/s): min=  212, max=  592, per=24.48%, avg=344.37, stdev=155.77, samples=8
   iops        : min=   53, max=  148, avg=86.00, stdev=39.00, samples=8
  write: IOPS=97, BW=389KiB/s (398kB/s)(1636KiB/4205msec); 0 zone resets
    clat (usec): min=2011, max=33285, avg=7037.27, stdev=4313.15
     lat (usec): min=2011, max=33286, avg=7038.03, stdev=4313.20
    clat percentiles (usec):
     |  1.00th=[ 2212],  5.00th=[ 2802], 10.00th=[ 3195], 20.00th=[ 3621],
     | 30.00th=[ 4080], 40.00th=[ 4686], 50.00th=[ 5604], 60.00th=[ 6718],
     | 70.00th=[ 8356], 80.00th=[ 9896], 90.00th=[12649], 95.00th=[16319],
     | 99.00th=[22676], 99.50th=[23462], 99.90th=[33162], 99.95th=[33162],
     | 99.99th=[33162]
   bw (  KiB/s): min=  258, max=  704, per=26.22%, avg=388.12, stdev=156.87, samples=8
   iops        : min=   64, max=  176, avg=96.88, stdev=39.36, samples=8
  lat (usec)   : 1000=0.13%
  lat (msec)   : 2=19.79%, 4=29.04%, 10=38.28%, 20=11.59%, 50=1.17%
  cpu          : usr=0.31%, sys=3.90%, ctx=857, majf=0, minf=11
  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=359,409,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=16
rand-rw: (groupid=0, jobs=1): err= 0: pid=147779: Thu Mar 26 09:24:04 2026
  read: IOPS=93, BW=374KiB/s (383kB/s)(1564KiB/4187msec)
    clat (usec): min=1018, max=50941, avg=3752.01, stdev=4166.82
     lat (usec): min=1018, max=50942, avg=3753.29, stdev=4166.51
    clat percentiles (usec):
     |  1.00th=[ 1037],  5.00th=[ 1254], 10.00th=[ 1336], 20.00th=[ 1467],
     | 30.00th=[ 1745], 40.00th=[ 1958], 50.00th=[ 2212], 60.00th=[ 2671],
     | 70.00th=[ 3621], 80.00th=[ 4948], 90.00th=[ 7832], 95.00th=[12518],
     | 99.00th=[16450], 99.50th=[21627], 99.90th=[51119], 99.95th=[51119],
     | 99.99th=[51119]
   bw (  KiB/s): min=  199, max=  728, per=26.99%, avg=379.75, stdev=186.51, samples=8
   iops        : min=   49, max=  182, avg=94.75, stdev=46.82, samples=8
  write: IOPS=90, BW=360KiB/s (369kB/s)(1508KiB/4187msec); 0 zone resets
    clat (usec): min=2222, max=39238, avg=7147.78, stdev=4785.78
     lat (usec): min=2223, max=39242, avg=7148.94, stdev=4785.93
    clat percentiles (usec):
     |  1.00th=[ 2376],  5.00th=[ 2868], 10.00th=[ 3130], 20.00th=[ 3654],
     | 30.00th=[ 4146], 40.00th=[ 4621], 50.00th=[ 5407], 60.00th=[ 6587],
     | 70.00th=[ 8291], 80.00th=[10028], 90.00th=[13042], 95.00th=[16909],
     | 99.00th=[24511], 99.50th=[29754], 99.90th=[39060], 99.95th=[39060],
     | 99.99th=[39060]
   bw (  KiB/s): min=  240, max=  584, per=24.19%, avg=358.00, stdev=143.62, samples=8
   iops        : min=   60, max=  146, avg=89.38, stdev=36.01, samples=8
  lat (msec)   : 2=21.61%, 4=28.52%, 10=36.07%, 20=12.37%, 50=1.30%
  lat (msec)   : 100=0.13%
  cpu          : usr=0.38%, sys=3.63%, ctx=828, majf=0, minf=12
  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=391,377,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=16
rand-rw: (groupid=0, jobs=1): err= 0: pid=147780: Thu Mar 26 09:24:04 2026
  read: IOPS=89, BW=358KiB/s (367kB/s)(1508KiB/4210msec)
    clat (usec): min=1051, max=46200, avg=4039.82, stdev=4394.62
     lat (usec): min=1051, max=46201, avg=4040.50, stdev=4394.59
    clat percentiles (usec):
     |  1.00th=[ 1106],  5.00th=[ 1221], 10.00th=[ 1336], 20.00th=[ 1532],
     | 30.00th=[ 1696], 40.00th=[ 1975], 50.00th=[ 2343], 60.00th=[ 2966],
     | 70.00th=[ 3785], 80.00th=[ 5473], 90.00th=[ 9503], 95.00th=[13304],
     | 99.00th=[17433], 99.50th=[27919], 99.90th=[46400], 99.95th=[46400],
     | 99.99th=[46400]
   bw (  KiB/s): min=  192, max=  648, per=25.22%, avg=354.88, stdev=146.91, samples=8
   iops        : min=   48, max=  162, avg=88.63, stdev=36.80, samples=8
  write: IOPS=92, BW=371KiB/s (380kB/s)(1564KiB/4210msec); 0 zone resets
    clat (usec): min=1772, max=42572, avg=6810.93, stdev=4277.58
     lat (usec): min=1773, max=42573, avg=6811.74, stdev=4277.62
    clat percentiles (usec):
     |  1.00th=[ 2057],  5.00th=[ 2573], 10.00th=[ 3163], 20.00th=[ 3654],
     | 30.00th=[ 4113], 40.00th=[ 4686], 50.00th=[ 5407], 60.00th=[ 6325],
     | 70.00th=[ 7898], 80.00th=[ 9896], 90.00th=[12649], 95.00th=[14746],
     | 99.00th=[20317], 99.50th=[23725], 99.90th=[42730], 99.95th=[42730],
     | 99.99th=[42730]
   bw (  KiB/s): min=  245, max=  616, per=25.03%, avg=370.50, stdev=161.16, samples=8
   iops        : min=   61, max=  154, avg=92.50, stdev=40.39, samples=8
  lat (msec)   : 2=20.44%, 4=27.73%, 10=37.76%, 20=13.15%, 50=0.91%
  cpu          : usr=0.38%, sys=3.73%, ctx=837, majf=0, minf=12
  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=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=16

Run status group 0 (all jobs):
   READ: bw=1407KiB/s (1441kB/s), 341KiB/s-374KiB/s (350kB/s-383kB/s), io=5988KiB (6132kB), run=4187-4255msec
  WRITE: bw=1481KiB/s (1516kB/s), 360KiB/s-389KiB/s (369kB/s-398kB/s), io=6300KiB (6451kB), run=4187-4255msec