== sanity test 398b: DIO and buffer IO race ============== 21:55:39 (1767840939)
/usr/bin/fio
12+0 records in
12+0 records out
12582912 bytes (13 MB, 12 MiB) copied, 0.0883243 s, 142 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=121260: Wed Jan  7 21:55:48 2026
  read: IOPS=134, BW=537KiB/s (550kB/s)(1480KiB/2757msec)
    clat (usec): min=5, max=47874, avg=2502.14, stdev=4417.89
     lat (usec): min=5, max=47874, avg=2502.62, stdev=4417.88
    clat percentiles (usec):
     |  1.00th=[   10],  5.00th=[   14], 10.00th=[   16], 20.00th=[   23],
     | 30.00th=[   31], 40.00th=[   45], 50.00th=[ 1549], 60.00th=[ 2638],
     | 70.00th=[ 3326], 80.00th=[ 4146], 90.00th=[ 5342], 95.00th=[ 6652],
     | 99.00th=[24511], 99.50th=[31851], 99.90th=[47973], 99.95th=[47973],
     | 99.99th=[47973]
   bw (  KiB/s): min=  408, max=  608, per=27.90%, avg=533.80, stdev=74.67, samples=5
   iops        : min=  102, max=  152, avg=133.40, stdev=18.65, samples=5
  write: IOPS=144, BW=577KiB/s (591kB/s)(1592KiB/2757msec); 0 zone resets
    clat (usec): min=149, max=30297, avg=4585.37, stdev=5229.92
     lat (usec): min=150, max=30298, avg=4585.97, stdev=5229.92
    clat percentiles (usec):
     |  1.00th=[  194],  5.00th=[  249], 10.00th=[  322], 20.00th=[  404],
     | 30.00th=[ 1090], 40.00th=[ 1795], 50.00th=[ 2671], 60.00th=[ 3916],
     | 70.00th=[ 5473], 80.00th=[ 7570], 90.00th=[12911], 95.00th=[16319],
     | 99.00th=[21627], 99.50th=[26870], 99.90th=[30278], 99.95th=[30278],
     | 99.99th=[30278]
   bw (  KiB/s): min=  544, max=  608, per=28.42%, avg=571.80, stdev=30.53, samples=5
   iops        : min=  136, max=  152, avg=142.80, stdev= 7.69, samples=5
  lat (usec)   : 10=0.52%, 20=7.03%, 50=14.06%, 100=0.78%, 250=3.26%
  lat (usec)   : 500=10.29%, 750=1.95%, 1000=0.65%
  lat (msec)   : 2=9.24%, 4=21.22%, 10=22.40%, 20=6.77%, 50=1.82%
  cpu          : usr=0.29%, sys=11.25%, ctx=1061, majf=0, minf=14
  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=121261: Wed Jan  7 21:55:48 2026
  read: IOPS=114, BW=459KiB/s (470kB/s)(1436KiB/3130msec)
    clat (usec): min=5, max=61332, avg=2743.13, stdev=4332.98
     lat (usec): min=5, max=61332, avg=2743.59, stdev=4332.98
    clat percentiles (usec):
     |  1.00th=[    6],  5.00th=[   13], 10.00th=[   18], 20.00th=[   21],
     | 30.00th=[   32], 40.00th=[   94], 50.00th=[ 2311], 60.00th=[ 3228],
     | 70.00th=[ 3851], 80.00th=[ 4424], 90.00th=[ 5800], 95.00th=[ 7046],
     | 99.00th=[17433], 99.50th=[24249], 99.90th=[61080], 99.95th=[61080],
     | 99.99th=[61080]
   bw (  KiB/s): min=  209, max=  592, per=24.19%, avg=462.83, stdev=154.83, samples=6
   iops        : min=   52, max=  148, avg=115.67, stdev=38.79, samples=6
  write: IOPS=130, BW=523KiB/s (535kB/s)(1636KiB/3130msec); 0 zone resets
    clat (usec): min=160, max=48951, avg=5226.98, stdev=6353.68
     lat (usec): min=160, max=48952, avg=5227.65, stdev=6353.64
    clat percentiles (usec):
     |  1.00th=[  192],  5.00th=[  245], 10.00th=[  277], 20.00th=[  388],
     | 30.00th=[ 1139], 40.00th=[ 1811], 50.00th=[ 2868], 60.00th=[ 3949],
     | 70.00th=[ 6128], 80.00th=[ 9372], 90.00th=[14353], 95.00th=[16909],
     | 99.00th=[27132], 99.50th=[29754], 99.90th=[49021], 99.95th=[49021],
     | 99.99th=[49021]
   bw (  KiB/s): min=  249, max=  792, per=26.25%, avg=528.17, stdev=184.01, samples=6
   iops        : min=   62, max=  198, avg=132.00, stdev=46.08, samples=6
  lat (usec)   : 10=1.30%, 20=7.03%, 50=9.24%, 100=1.17%, 250=4.17%
  lat (usec)   : 500=10.16%, 750=2.21%, 1000=0.39%
  lat (msec)   : 2=8.98%, 4=20.83%, 10=23.96%, 20=8.59%, 50=1.82%
  lat (msec)   : 100=0.13%
  cpu          : usr=0.16%, sys=11.12%, ctx=1226, majf=0, minf=14
  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=121262: Wed Jan  7 21:55:48 2026
  read: IOPS=141, BW=564KiB/s (578kB/s)(1564KiB/2773msec)
    clat (usec): min=6, max=27113, avg=2700.65, stdev=3682.54
     lat (usec): min=6, max=27114, avg=2701.20, stdev=3682.58
    clat percentiles (usec):
     |  1.00th=[   11],  5.00th=[   15], 10.00th=[   18], 20.00th=[   26],
     | 30.00th=[   41], 40.00th=[  102], 50.00th=[ 2180], 60.00th=[ 2868],
     | 70.00th=[ 3490], 80.00th=[ 4178], 90.00th=[ 5866], 95.00th=[ 8094],
     | 99.00th=[21103], 99.50th=[22938], 99.90th=[27132], 99.95th=[27132],
     | 99.99th=[27132]
   bw (  KiB/s): min=  464, max=  720, per=30.04%, avg=574.60, stdev=124.80, samples=5
   iops        : min=  116, max=  180, avg=143.60, stdev=31.25, samples=5
  write: IOPS=135, BW=544KiB/s (557kB/s)(1508KiB/2773msec); 0 zone resets
    clat (usec): min=146, max=33161, avg=4536.29, stdev=5280.95
     lat (usec): min=147, max=33162, avg=4536.96, stdev=5280.95
    clat percentiles (usec):
     |  1.00th=[  186],  5.00th=[  231], 10.00th=[  302], 20.00th=[  420],
     | 30.00th=[  758], 40.00th=[ 1909], 50.00th=[ 2802], 60.00th=[ 3785],
     | 70.00th=[ 5211], 80.00th=[ 7701], 90.00th=[11994], 95.00th=[14746],
     | 99.00th=[26608], 99.50th=[33162], 99.90th=[33162], 99.95th=[33162],
     | 99.99th=[33162]
   bw (  KiB/s): min=  440, max=  608, per=26.56%, avg=534.40, stdev=67.74, samples=5
   iops        : min=  110, max=  152, avg=133.60, stdev=16.94, samples=5
  lat (usec)   : 10=0.26%, 20=6.77%, 50=10.55%, 100=2.73%, 250=3.78%
  lat (usec)   : 500=9.64%, 750=2.34%, 1000=0.78%
  lat (msec)   : 2=8.20%, 4=24.74%, 10=20.83%, 20=7.81%, 50=1.56%
  cpu          : usr=0.29%, sys=11.33%, ctx=1175, 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=121264: Wed Jan  7 21:55:48 2026
  read: IOPS=134, BW=537KiB/s (550kB/s)(1508KiB/2809msec)
    clat (usec): min=8, max=43518, avg=2337.81, stdev=3939.89
     lat (usec): min=8, max=43519, avg=2338.37, stdev=3939.93
    clat percentiles (usec):
     |  1.00th=[   10],  5.00th=[   14], 10.00th=[   16], 20.00th=[   20],
     | 30.00th=[   29], 40.00th=[   47], 50.00th=[ 1598], 60.00th=[ 2606],
     | 70.00th=[ 3458], 80.00th=[ 4359], 90.00th=[ 5342], 95.00th=[ 6063],
     | 99.00th=[17433], 99.50th=[43254], 99.90th=[43779], 99.95th=[43779],
     | 99.99th=[43779]
   bw (  KiB/s): min=  440, max=  624, per=26.93%, avg=515.20, stdev=70.56, samples=5
   iops        : min=  110, max=  156, avg=128.80, stdev=17.64, samples=5
  write: IOPS=139, BW=557KiB/s (570kB/s)(1564KiB/2809msec); 0 zone resets
    clat (usec): min=166, max=30353, avg=4911.71, stdev=5675.13
     lat (usec): min=167, max=30353, avg=4912.31, stdev=5675.13
    clat percentiles (usec):
     |  1.00th=[  178],  5.00th=[  239], 10.00th=[  302], 20.00th=[  420],
     | 30.00th=[ 1221], 40.00th=[ 1909], 50.00th=[ 2704], 60.00th=[ 3851],
     | 70.00th=[ 5473], 80.00th=[ 8717], 90.00th=[13304], 95.00th=[17171],
     | 99.00th=[26608], 99.50th=[27657], 99.90th=[30278], 99.95th=[30278],
     | 99.99th=[30278]
   bw (  KiB/s): min=  520, max=  576, per=27.07%, avg=544.60, stdev=25.49, samples=5
   iops        : min=  130, max=  144, avg=136.00, stdev= 6.48, samples=5
  lat (usec)   : 10=0.78%, 20=9.11%, 50=10.81%, 100=1.43%, 250=3.52%
  lat (usec)   : 500=8.85%, 750=1.69%, 1000=1.56%
  lat (msec)   : 2=10.81%, 4=20.70%, 10=21.22%, 20=7.94%, 50=1.56%
  cpu          : usr=0.36%, sys=11.72%, ctx=1146, majf=0, minf=14
  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=1913KiB/s (1959kB/s), 459KiB/s-564KiB/s (470kB/s-578kB/s), io=5988KiB (6132kB), run=2757-3130msec
  WRITE: bw=2013KiB/s (2061kB/s), 523KiB/s-577KiB/s (535kB/s-591kB/s), io=6300KiB (6451kB), run=2757-3130msec

rand-rw: (groupid=0, jobs=1): err= 0: pid=121255: Wed Jan  7 21:55:55 2026
  read: IOPS=37, BW=151KiB/s (155kB/s)(1480KiB/9802msec)
    clat (usec): min=927, max=40244, avg=3246.07, stdev=4409.92
     lat (usec): min=928, max=40245, avg=3246.93, stdev=4409.90
    clat percentiles (usec):
     |  1.00th=[ 1037],  5.00th=[ 1156], 10.00th=[ 1237], 20.00th=[ 1369],
     | 30.00th=[ 1500], 40.00th=[ 1680], 50.00th=[ 1860], 60.00th=[ 2073],
     | 70.00th=[ 2474], 80.00th=[ 3425], 90.00th=[ 5145], 95.00th=[12125],
     | 99.00th=[24511], 99.50th=[32900], 99.90th=[40109], 99.95th=[40109],
     | 99.99th=[40109]
   bw (  KiB/s): min=   93, max=  240, per=24.29%, avg=147.21, stdev=44.29, samples=19
   iops        : min=   23, max=   60, avg=36.79, stdev=11.09, samples=19
  write: IOPS=40, BW=162KiB/s (166kB/s)(1592KiB/9802msec); 0 zone resets
    clat (usec): min=9163, max=69435, avg=21561.15, stdev=7261.96
     lat (usec): min=9165, max=69435, avg=21562.10, stdev=7261.97
    clat percentiles (usec):
     |  1.00th=[10814],  5.00th=[12649], 10.00th=[13960], 20.00th=[15664],
     | 30.00th=[17433], 40.00th=[18744], 50.00th=[20055], 60.00th=[21627],
     | 70.00th=[23725], 80.00th=[27132], 90.00th=[30278], 95.00th=[34341],
     | 99.00th=[46924], 99.50th=[52691], 99.90th=[69731], 99.95th=[69731],
     | 99.99th=[69731]
   bw (  KiB/s): min=  106, max=  224, per=25.27%, avg=160.95, stdev=33.85, samples=19
   iops        : min=   26, max=   56, avg=40.21, stdev= 8.51, samples=19
  lat (usec)   : 1000=0.13%
  lat (msec)   : 2=27.47%, 4=13.15%, 10=4.82%, 20=27.60%, 50=26.43%
  lat (msec)   : 100=0.39%
  cpu          : usr=0.18%, sys=1.68%, ctx=825, majf=0, minf=13
  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=121256: Wed Jan  7 21:55:55 2026
  read: IOPS=36, BW=145KiB/s (149kB/s)(1436KiB/9878msec)
    clat (usec): min=950, max=23536, avg=2982.09, stdev=3425.38
     lat (usec): min=950, max=23537, avg=2982.87, stdev=3425.40
    clat percentiles (usec):
     |  1.00th=[  971],  5.00th=[ 1139], 10.00th=[ 1188], 20.00th=[ 1385],
     | 30.00th=[ 1500], 40.00th=[ 1663], 50.00th=[ 1893], 60.00th=[ 2073],
     | 70.00th=[ 2573], 80.00th=[ 3326], 90.00th=[ 4686], 95.00th=[12125],
     | 99.00th=[18220], 99.50th=[21103], 99.90th=[23462], 99.95th=[23462],
     | 99.99th=[23462]
   bw (  KiB/s): min=   56, max=  224, per=23.83%, avg=144.42, stdev=48.84, samples=19
   iops        : min=   14, max=   56, avg=36.11, stdev=12.21, samples=19
  write: IOPS=41, BW=166KiB/s (170kB/s)(1636KiB/9878msec); 0 zone resets
    clat (usec): min=8532, max=53226, avg=21487.58, stdev=7127.36
     lat (usec): min=8533, max=53226, avg=21488.60, stdev=7127.40
    clat percentiles (usec):
     |  1.00th=[ 9241],  5.00th=[12649], 10.00th=[13698], 20.00th=[16057],
     | 30.00th=[17433], 40.00th=[18482], 50.00th=[20055], 60.00th=[21627],
     | 70.00th=[23725], 80.00th=[26608], 90.00th=[30802], 95.00th=[33817],
     | 99.00th=[46924], 99.50th=[50070], 99.90th=[53216], 99.95th=[53216],
     | 99.99th=[53216]
   bw (  KiB/s): min=  112, max=  224, per=25.50%, avg=162.42, stdev=31.12, samples=19
   iops        : min=   28, max=   56, avg=40.58, stdev= 7.81, samples=19
  lat (usec)   : 1000=0.52%
  lat (msec)   : 2=25.52%, 4=14.84%, 10=4.30%, 20=27.86%, 50=26.56%
  lat (msec)   : 100=0.39%
  cpu          : usr=0.19%, sys=1.70%, ctx=824, majf=0, minf=14
  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=121257: Wed Jan  7 21:55:55 2026
  read: IOPS=41, BW=166KiB/s (170kB/s)(1564KiB/9417msec)
    clat (usec): min=880, max=26499, avg=2903.37, stdev=3480.20
     lat (usec): min=881, max=26500, avg=2904.47, stdev=3480.70
    clat percentiles (usec):
     |  1.00th=[ 1020],  5.00th=[ 1139], 10.00th=[ 1221], 20.00th=[ 1336],
     | 30.00th=[ 1500], 40.00th=[ 1663], 50.00th=[ 1844], 60.00th=[ 2057],
     | 70.00th=[ 2409], 80.00th=[ 3195], 90.00th=[ 4883], 95.00th=[ 8717],
     | 99.00th=[20841], 99.50th=[22414], 99.90th=[26608], 99.95th=[26608],
     | 99.99th=[26608]
   bw (  KiB/s): min=   72, max=  304, per=27.69%, avg=167.78, stdev=69.86, samples=18
   iops        : min=   18, max=   76, avg=41.94, stdev=17.46, samples=18
  write: IOPS=40, BW=160KiB/s (164kB/s)(1508KiB/9417msec); 0 zone resets
    clat (usec): min=9738, max=53310, avg=21917.11, stdev=7422.75
     lat (usec): min=9738, max=53311, avg=21918.12, stdev=7422.76
    clat percentiles (usec):
     |  1.00th=[11076],  5.00th=[12649], 10.00th=[14353], 20.00th=[16057],
     | 30.00th=[17433], 40.00th=[18744], 50.00th=[20579], 60.00th=[22414],
     | 70.00th=[24249], 80.00th=[26870], 90.00th=[31589], 95.00th=[35390],
     | 99.00th=[50594], 99.50th=[52167], 99.90th=[53216], 99.95th=[53216],
     | 99.99th=[53216]
   bw (  KiB/s): min=   96, max=  216, per=24.82%, avg=158.11, stdev=31.35, samples=18
   iops        : min=   24, max=   54, avg=39.50, stdev= 7.87, samples=18
  lat (usec)   : 1000=0.13%
  lat (msec)   : 2=29.69%, 4=14.32%, 10=4.82%, 20=24.35%, 50=26.17%
  lat (msec)   : 100=0.52%
  cpu          : usr=0.22%, sys=1.75%, ctx=844, majf=0, minf=13
  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=121258: Wed Jan  7 21:55:55 2026
  read: IOPS=38, BW=155KiB/s (159kB/s)(1508KiB/9710msec)
    clat (usec): min=836, max=46063, avg=3335.20, stdev=4444.59
     lat (usec): min=836, max=46064, avg=3335.98, stdev=4444.67
    clat percentiles (usec):
     |  1.00th=[  963],  5.00th=[ 1123], 10.00th=[ 1188], 20.00th=[ 1418],
     | 30.00th=[ 1549], 40.00th=[ 1647], 50.00th=[ 1860], 60.00th=[ 2147],
     | 70.00th=[ 2606], 80.00th=[ 3687], 90.00th=[ 6980], 95.00th=[11469],
     | 99.00th=[19006], 99.50th=[37487], 99.90th=[45876], 99.95th=[45876],
     | 99.99th=[45876]
   bw (  KiB/s): min=   72, max=  264, per=25.47%, avg=154.37, stdev=51.08, samples=19
   iops        : min=   18, max=   66, avg=38.58, stdev=12.79, samples=19
  write: IOPS=40, BW=161KiB/s (165kB/s)(1564KiB/9710msec); 0 zone resets
    clat (usec): min=10282, max=55166, avg=21573.96, stdev=6418.15
     lat (usec): min=10283, max=55167, avg=21574.93, stdev=6418.19
    clat percentiles (usec):
     |  1.00th=[11863],  5.00th=[13435], 10.00th=[14877], 20.00th=[16319],
     | 30.00th=[17433], 40.00th=[18744], 50.00th=[20055], 60.00th=[21890],
     | 70.00th=[24249], 80.00th=[26870], 90.00th=[29754], 95.00th=[32900],
     | 99.00th=[38536], 99.50th=[51643], 99.90th=[55313], 99.95th=[55313],
     | 99.99th=[55313]
   bw (  KiB/s): min=  107, max=  216, per=25.21%, avg=160.58, stdev=27.05, samples=19
   iops        : min=   26, max=   54, avg=40.11, stdev= 6.85, samples=19
  lat (usec)   : 1000=0.52%
  lat (msec)   : 2=27.08%, 4=12.11%, 10=6.38%, 20=28.13%, 50=25.39%
  lat (msec)   : 100=0.39%
  cpu          : usr=0.11%, sys=1.79%, ctx=850, 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=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=606KiB/s (621kB/s), 145KiB/s-166KiB/s (149kB/s-170kB/s), io=5988KiB (6132kB), run=9417-9878msec
  WRITE: bw=638KiB/s (653kB/s), 160KiB/s-166KiB/s (164kB/s-170kB/s), io=6300KiB (6451kB), run=9417-9878msec