== sanity test 398b: DIO and buffer IO race ============== 19:26:19 (1736987179)
/usr/bin/fio
12+0 records in
12+0 records out
12582912 bytes (13 MB) copied, 0.0668708 s, 188 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-3.7
Starting 4 processes
rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16
...
fio-3.7
Starting 4 processes

rand-rw: (groupid=0, jobs=1): err= 0: pid=22969: Wed Jan 15 19:26:21 2025
   read: IOPS=485, BW=1942KiB/s (1989kB/s)(1480KiB/762msec)
    clat (usec): min=2, max=18455, avg=761.04, stdev=2028.92
     lat (usec): min=3, max=18456, avg=761.75, stdev=2029.28
    clat percentiles (usec):
     |  1.00th=[    4],  5.00th=[    4], 10.00th=[    5], 20.00th=[    6],
     | 30.00th=[    8], 40.00th=[    9], 50.00th=[   11], 60.00th=[   16],
     | 70.00th=[   25], 80.00th=[ 1270], 90.00th=[ 2540], 95.00th=[ 3687],
     | 99.00th=[11338], 99.50th=[16909], 99.90th=[18482], 99.95th=[18482],
     | 99.99th=[18482]
   bw (  KiB/s): min= 2544, max= 2544, per=34.46%, avg=2544.00, stdev= 0.00, samples=1
   iops        : min=  636, max=  636, avg=636.00, stdev= 0.00, samples=1
  write: IOPS=522, BW=2089KiB/s (2139kB/s)(1592KiB/762msec)
    clat (usec): min=69, max=35596, avg=1181.53, stdev=3096.99
     lat (usec): min=69, max=35597, avg=1182.18, stdev=3097.04
    clat percentiles (usec):
     |  1.00th=[   75],  5.00th=[   84], 10.00th=[   89], 20.00th=[  101],
     | 30.00th=[  117], 40.00th=[  129], 50.00th=[  145], 60.00th=[  159],
     | 70.00th=[  200], 80.00th=[ 1467], 90.00th=[ 3261], 95.00th=[ 5997],
     | 99.00th=[13698], 99.50th=[27657], 99.90th=[35390], 99.95th=[35390],
     | 99.99th=[35390]
   bw (  KiB/s): min= 2776, max= 2776, per=35.74%, avg=2776.00, stdev= 0.00, samples=1
   iops        : min=  694, max=  694, avg=694.00, stdev= 0.00, samples=1
  lat (usec)   : 4=2.60%, 10=20.57%, 20=8.33%, 50=4.56%, 100=10.03%
  lat (usec)   : 250=27.99%, 500=1.43%, 750=0.26%, 1000=1.56%
  lat (msec)   : 2=8.20%, 4=8.46%, 10=4.43%, 20=1.30%, 50=0.26%
  cpu          : usr=0.53%, sys=18.66%, ctx=446, majf=0, minf=35
  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=22970: Wed Jan 15 19:26:21 2025
   read: IOPS=475, BW=1902KiB/s (1948kB/s)(1436KiB/755msec)
    clat (usec): min=2, max=26321, avg=650.53, stdev=2151.13
     lat (usec): min=3, max=26321, avg=651.02, stdev=2151.21
    clat percentiles (usec):
     |  1.00th=[    4],  5.00th=[    4], 10.00th=[    5], 20.00th=[    6],
     | 30.00th=[    7], 40.00th=[    8], 50.00th=[    9], 60.00th=[   10],
     | 70.00th=[   12], 80.00th=[   20], 90.00th=[ 2343], 95.00th=[ 3851],
     | 99.00th=[11207], 99.50th=[13173], 99.90th=[26346], 99.95th=[26346],
     | 99.99th=[26346]
   bw (  KiB/s): min= 2664, max= 2664, per=36.08%, avg=2664.00, stdev= 0.00, samples=1
   iops        : min=  666, max=  666, avg=666.00, stdev= 0.00, samples=1
  write: IOPS=541, BW=2167KiB/s (2219kB/s)(1636KiB/755msec)
    clat (usec): min=65, max=37843, avg=1255.11, stdev=3792.56
     lat (usec): min=66, max=37844, avg=1255.66, stdev=3792.63
    clat percentiles (usec):
     |  1.00th=[   73],  5.00th=[   85], 10.00th=[   95], 20.00th=[  106],
     | 30.00th=[  122], 40.00th=[  133], 50.00th=[  145], 60.00th=[  157],
     | 70.00th=[  180], 80.00th=[  857], 90.00th=[ 2540], 95.00th=[ 8094],
     | 99.00th=[16712], 99.50th=[27919], 99.90th=[38011], 99.95th=[38011],
     | 99.99th=[38011]
   bw (  KiB/s): min= 2984, max= 2984, per=38.41%, avg=2984.00, stdev= 0.00, samples=1
   iops        : min=  746, max=  746, avg=746.00, stdev= 0.00, samples=1
  lat (usec)   : 4=3.26%, 10=26.30%, 20=7.94%, 50=1.17%, 100=8.33%
  lat (usec)   : 250=32.29%, 500=1.17%, 750=0.65%, 1000=1.43%
  lat (msec)   : 2=5.21%, 4=6.38%, 10=3.52%, 20=1.82%, 50=0.52%
  cpu          : usr=0.13%, sys=12.60%, ctx=377, majf=0, minf=32
  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=22971: Wed Jan 15 19:26:21 2025
   read: IOPS=482, BW=1928KiB/s (1975kB/s)(1564KiB/811msec)
    clat (usec): min=2, max=19053, avg=761.07, stdev=2044.89
     lat (usec): min=2, max=19054, avg=762.21, stdev=2045.46
    clat percentiles (usec):
     |  1.00th=[    4],  5.00th=[    4], 10.00th=[    5], 20.00th=[    6],
     | 30.00th=[    7], 40.00th=[    9], 50.00th=[   10], 60.00th=[   14],
     | 70.00th=[   27], 80.00th=[ 1270], 90.00th=[ 2606], 95.00th=[ 3851],
     | 99.00th=[ 9503], 99.50th=[19006], 99.90th=[19006], 99.95th=[19006],
     | 99.99th=[19006]
   bw (  KiB/s): min= 2376, max= 2376, per=32.18%, avg=2376.00, stdev= 0.00, samples=1
   iops        : min=  594, max=  594, avg=594.00, stdev= 0.00, samples=1
  write: IOPS=464, BW=1859KiB/s (1904kB/s)(1508KiB/811msec)
    clat (usec): min=66, max=40926, avg=1336.04, stdev=3766.25
     lat (usec): min=66, max=40927, avg=1336.91, stdev=3766.23
    clat percentiles (usec):
     |  1.00th=[   70],  5.00th=[   80], 10.00th=[   87], 20.00th=[  103],
     | 30.00th=[  123], 40.00th=[  133], 50.00th=[  145], 60.00th=[  161],
     | 70.00th=[  194], 80.00th=[ 1254], 90.00th=[ 3818], 95.00th=[ 7832],
     | 99.00th=[17171], 99.50th=[34866], 99.90th=[41157], 99.95th=[41157],
     | 99.99th=[41157]
   bw (  KiB/s): min= 2392, max= 2392, per=30.79%, avg=2392.00, stdev= 0.00, samples=1
   iops        : min=  598, max=  598, avg=598.00, stdev= 0.00, samples=1
  lat (usec)   : 4=3.65%, 10=22.14%, 20=7.81%, 50=4.56%, 100=8.59%
  lat (usec)   : 250=27.86%, 500=1.56%, 750=0.13%, 1000=2.08%
  lat (msec)   : 2=6.90%, 4=7.94%, 10=4.95%, 20=1.43%, 50=0.39%
  cpu          : usr=0.62%, sys=15.06%, ctx=438, majf=0, minf=34
  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=22972: Wed Jan 15 19:26:21 2025
   read: IOPS=755, BW=3022KiB/s (3095kB/s)(1508KiB/499msec)
    clat (usec): min=2, max=25882, avg=481.35, stdev=1774.80
     lat (usec): min=2, max=25883, avg=481.93, stdev=1774.81
    clat percentiles (usec):
     |  1.00th=[    4],  5.00th=[    4], 10.00th=[    5], 20.00th=[    6],
     | 30.00th=[    7], 40.00th=[    8], 50.00th=[    9], 60.00th=[   10],
     | 70.00th=[   11], 80.00th=[   16], 90.00th=[ 1893], 95.00th=[ 2835],
     | 99.00th=[ 7767], 99.50th=[ 9634], 99.90th=[25822], 99.95th=[25822],
     | 99.99th=[25822]
  write: IOPS=783, BW=3134KiB/s (3209kB/s)(1564KiB/499msec)
    clat (usec): min=66, max=15484, avg=789.46, stdev=2340.58
     lat (usec): min=66, max=15485, avg=790.01, stdev=2340.62
    clat percentiles (usec):
     |  1.00th=[   74],  5.00th=[   83], 10.00th=[   92], 20.00th=[  102],
     | 30.00th=[  120], 40.00th=[  130], 50.00th=[  137], 60.00th=[  147],
     | 70.00th=[  159], 80.00th=[  186], 90.00th=[ 1483], 95.00th=[ 3916],
     | 99.00th=[13698], 99.50th=[14484], 99.90th=[15533], 99.95th=[15533],
     | 99.99th=[15533]
  lat (usec)   : 4=2.73%, 10=28.12%, 20=8.72%, 50=2.08%, 100=9.37%
  lat (usec)   : 250=33.85%, 500=0.91%, 1000=1.04%
  lat (msec)   : 2=4.17%, 4=5.34%, 10=2.08%, 20=1.43%, 50=0.13%
  cpu          : usr=0.40%, sys=19.68%, ctx=291, majf=0, minf=34
  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=7383KiB/s (7561kB/s), 1902KiB/s-3022KiB/s (1948kB/s-3095kB/s), io=5988KiB (6132kB), run=499-811msec
  WRITE: bw=7768KiB/s (7955kB/s), 1859KiB/s-3134KiB/s (1904kB/s-3209kB/s), io=6300KiB (6451kB), run=499-811msec

rand-rw: (groupid=0, jobs=1): err= 0: pid=22974: Wed Jan 15 19:26:27 2025
   read: IOPS=54, BW=217KiB/s (223kB/s)(1480KiB/6810msec)
    clat (usec): min=649, max=20650, avg=2194.16, stdev=2296.07
     lat (usec): min=649, max=20651, avg=2195.07, stdev=2296.13
    clat percentiles (usec):
     |  1.00th=[  734],  5.00th=[  840], 10.00th=[  898], 20.00th=[ 1012],
     | 30.00th=[ 1172], 40.00th=[ 1467], 50.00th=[ 1680], 60.00th=[ 1876],
     | 70.00th=[ 2147], 80.00th=[ 2409], 90.00th=[ 2999], 95.00th=[ 8094],
     | 99.00th=[14484], 99.50th=[16057], 99.90th=[20579], 99.95th=[20579],
     | 99.99th=[20579]
   bw (  KiB/s): min=  136, max=  328, per=24.77%, avg=214.77, stdev=65.14, samples=13
   iops        : min=   34, max=   82, avg=53.69, stdev=16.29, samples=13
  write: IOPS=58, BW=234KiB/s (239kB/s)(1592KiB/6810msec)
    clat (usec): min=7924, max=76937, avg=15046.45, stdev=5399.02
     lat (usec): min=7925, max=76938, avg=15047.51, stdev=5399.04
    clat percentiles (usec):
     |  1.00th=[ 8717],  5.00th=[ 9634], 10.00th=[10159], 20.00th=[10945],
     | 30.00th=[11600], 40.00th=[13304], 50.00th=[14353], 60.00th=[15795],
     | 70.00th=[16909], 80.00th=[17957], 90.00th=[20317], 95.00th=[21890],
     | 99.00th=[33817], 99.50th=[41157], 99.90th=[77071], 99.95th=[77071],
     | 99.99th=[77071]
   bw (  KiB/s): min=  168, max=  280, per=25.51%, avg=232.62, stdev=28.74, samples=13
   iops        : min=   42, max=   70, avg=58.15, stdev= 7.19, samples=13
  lat (usec)   : 750=0.78%, 1000=8.46%
  lat (msec)   : 2=21.74%, 4=14.19%, 10=6.51%, 20=42.58%, 50=5.60%
  lat (msec)   : 100=0.13%
  cpu          : usr=0.25%, sys=2.10%, ctx=985, majf=0, minf=31
  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=22975: Wed Jan 15 19:26:27 2025
   read: IOPS=52, BW=208KiB/s (213kB/s)(1436KiB/6903msec)
    clat (usec): min=701, max=31257, avg=2106.09, stdev=2440.73
     lat (usec): min=701, max=31258, avg=2106.95, stdev=2440.75
    clat percentiles (usec):
     |  1.00th=[  758],  5.00th=[  799], 10.00th=[  873], 20.00th=[  996],
     | 30.00th=[ 1188], 40.00th=[ 1483], 50.00th=[ 1762], 60.00th=[ 1975],
     | 70.00th=[ 2147], 80.00th=[ 2343], 90.00th=[ 2835], 95.00th=[ 3687],
     | 99.00th=[13829], 99.50th=[19792], 99.90th=[31327], 99.95th=[31327],
     | 99.99th=[31327]
   bw (  KiB/s): min=  104, max=  319, per=23.76%, avg=206.00, stdev=59.51, samples=13
   iops        : min=   26, max=   79, avg=51.38, stdev=14.73, samples=13
  write: IOPS=59, BW=237KiB/s (243kB/s)(1636KiB/6903msec)
    clat (usec): min=7766, max=67838, avg=15006.76, stdev=5037.13
     lat (usec): min=7767, max=67839, avg=15007.87, stdev=5037.19
    clat percentiles (usec):
     |  1.00th=[ 8356],  5.00th=[ 9634], 10.00th=[10159], 20.00th=[10945],
     | 30.00th=[11994], 40.00th=[13173], 50.00th=[14484], 60.00th=[15795],
     | 70.00th=[16909], 80.00th=[17957], 90.00th=[20317], 95.00th=[22152],
     | 99.00th=[30016], 99.50th=[30278], 99.90th=[67634], 99.95th=[67634],
     | 99.99th=[67634]
   bw (  KiB/s): min=  160, max=  272, per=25.56%, avg=233.08, stdev=30.03, samples=13
   iops        : min=   40, max=   68, avg=58.15, stdev= 7.47, samples=13
  lat (usec)   : 750=0.39%, 1000=9.11%
  lat (msec)   : 2=19.27%, 4=15.89%, 10=5.60%, 20=44.14%, 50=5.47%
  lat (msec)   : 100=0.13%
  cpu          : usr=0.17%, sys=2.17%, ctx=971, majf=0, minf=33
  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=22976: Wed Jan 15 19:26:27 2025
   read: IOPS=59, BW=237KiB/s (243kB/s)(1564KiB/6588msec)
    clat (usec): min=744, max=22956, avg=2282.52, stdev=2598.30
     lat (usec): min=744, max=22956, avg=2283.49, stdev=2598.34
    clat percentiles (usec):
     |  1.00th=[  775],  5.00th=[  824], 10.00th=[  873], 20.00th=[  979],
     | 30.00th=[ 1188], 40.00th=[ 1500], 50.00th=[ 1811], 60.00th=[ 1975],
     | 70.00th=[ 2245], 80.00th=[ 2540], 90.00th=[ 3064], 95.00th=[ 4948],
     | 99.00th=[16909], 99.50th=[20579], 99.90th=[22938], 99.95th=[22938],
     | 99.99th=[22938]
   bw (  KiB/s): min=  120, max=  384, per=27.68%, avg=240.00, stdev=75.96, samples=13
   iops        : min=   30, max=   96, avg=60.00, stdev=18.99, samples=13
  write: IOPS=57, BW=229KiB/s (234kB/s)(1508KiB/6588msec)
    clat (usec): min=7935, max=42705, avg=15083.19, stdev=4446.00
     lat (usec): min=7936, max=42707, avg=15084.50, stdev=4446.25
    clat percentiles (usec):
     |  1.00th=[ 8291],  5.00th=[ 9503], 10.00th=[10159], 20.00th=[11076],
     | 30.00th=[11994], 40.00th=[13566], 50.00th=[14877], 60.00th=[16057],
     | 70.00th=[16909], 80.00th=[17957], 90.00th=[20055], 95.00th=[21365],
     | 99.00th=[29492], 99.50th=[37487], 99.90th=[42730], 99.95th=[42730],
     | 99.99th=[42730]
   bw (  KiB/s): min=  160, max=  272, per=25.03%, avg=228.31, stdev=28.77, samples=13
   iops        : min=   40, max=   68, avg=57.08, stdev= 7.19, samples=13
  lat (usec)   : 750=0.13%, 1000=10.94%
  lat (msec)   : 2=19.92%, 4=17.06%, 10=5.21%, 20=41.28%, 50=5.47%
  cpu          : usr=0.30%, sys=2.22%, ctx=1017, majf=0, minf=34
  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=22977: Wed Jan 15 19:26:27 2025
   read: IOPS=56, BW=226KiB/s (231kB/s)(1508KiB/6682msec)
    clat (usec): min=570, max=12362, avg=2014.43, stdev=1663.80
     lat (usec): min=571, max=12364, avg=2015.31, stdev=1663.89
    clat percentiles (usec):
     |  1.00th=[  693],  5.00th=[  807], 10.00th=[  889], 20.00th=[ 1004],
     | 30.00th=[ 1139], 40.00th=[ 1418], 50.00th=[ 1663], 60.00th=[ 1876],
     | 70.00th=[ 2114], 80.00th=[ 2409], 90.00th=[ 2933], 95.00th=[ 3949],
     | 99.00th=[ 9896], 99.50th=[11207], 99.90th=[12387], 99.95th=[12387],
     | 99.99th=[12387]
   bw (  KiB/s): min=  144, max=  336, per=25.62%, avg=222.15, stdev=53.78, samples=13
   iops        : min=   36, max=   84, avg=55.54, stdev=13.45, samples=13
  write: IOPS=58, BW=234KiB/s (240kB/s)(1564KiB/6682msec)
    clat (usec): min=8483, max=59221, avg=15123.07, stdev=4873.63
     lat (usec): min=8484, max=59223, avg=15124.31, stdev=4873.60
    clat percentiles (usec):
     |  1.00th=[ 8848],  5.00th=[ 9634], 10.00th=[10290], 20.00th=[11207],
     | 30.00th=[12256], 40.00th=[13566], 50.00th=[14877], 60.00th=[15926],
     | 70.00th=[16909], 80.00th=[17957], 90.00th=[19268], 95.00th=[21103],
     | 99.00th=[32375], 99.50th=[51119], 99.90th=[58983], 99.95th=[58983],
     | 99.99th=[58983]
   bw (  KiB/s): min=  168, max=  280, per=25.57%, avg=233.23, stdev=29.18, samples=13
   iops        : min=   42, max=   70, avg=58.31, stdev= 7.30, samples=13
  lat (usec)   : 750=0.78%, 1000=8.85%
  lat (msec)   : 2=22.92%, 4=14.19%, 10=5.73%, 20=43.36%, 50=3.91%
  lat (msec)   : 100=0.26%
  cpu          : usr=0.15%, sys=2.29%, ctx=990, majf=0, minf=33
  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=867KiB/s (888kB/s), 208KiB/s-237KiB/s (213kB/s-243kB/s), io=5988KiB (6132kB), run=6588-6903msec
  WRITE: bw=913KiB/s (935kB/s), 229KiB/s-237KiB/s (234kB/s-243kB/s), io=6300KiB (6451kB), run=6588-6903msec