Re: [PATCH] io_uring/uring_cmd: fix buffer index retrieval

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test pass after apply the patch.
Tested-by: Guangwu Zhang <guazhang@xxxxxxxxxx>

# fio --numjobs=1 --ioengine=io_uring_cmd --runtime='300'
--size='300G' --filename=/dev/ng0n1 --rw='randrw' --name='fio_test'
--iodepth=64 --bs=8k --group_reporting=1 --cmd_type='nvme'
--md_per_io_size='4K'  --fixedbufs
fio_test: (g=0): rw=randrw, bs=(R) 8192B-8192B, (W) 8192B-8192B, (T)
8192B-8192B, ioengine=io_uring_cmd, iodepth=64
fio-3.38-13-gf241
Starting 1 process
Jobs: 1 (f=1): [m(1)][100.0%][r=1109MiB/s,w=1106MiB/s][r=142k,w=142k
IOPS][eta 00m:00s]
fio_test: (groupid=0, jobs=1): err= 0: pid=4664: Mon Nov 11 07:52:00 2024
  read: IOPS=142k, BW=1112MiB/s (1166MB/s)(150GiB/138132msec)
    slat (nsec): min=1520, max=894021, avg=2704.11, stdev=1197.90
    clat (usec): min=15, max=1145, avg=223.54, stdev=13.09
     lat (usec): min=18, max=1148, avg=226.25, stdev=13.09
    clat percentiles (usec):
     |  1.00th=[  212],  5.00th=[  215], 10.00th=[  217], 20.00th=[  219],
     | 30.00th=[  219], 40.00th=[  221], 50.00th=[  221], 60.00th=[  223],
     | 70.00th=[  225], 80.00th=[  227], 90.00th=[  231], 95.00th=[  235],
     | 99.00th=[  289], 99.50th=[  318], 99.90th=[  363], 99.95th=[  379],
     | 99.99th=[  416]
   bw (  MiB/s): min= 1099, max= 1131, per=100.00%, avg=1112.40,
stdev= 5.29, samples=276
   iops        : min=140748, max=144770, avg=142386.64, stdev=677.26,
samples=276
  write: IOPS=142k, BW=1112MiB/s (1166MB/s)(150GiB/138132msec); 0 zone resets
    slat (nsec): min=1550, max=916951, avg=3027.13, stdev=1290.29
    clat (usec): min=7, max=1141, avg=219.38, stdev=11.06
     lat (usec): min=9, max=1146, avg=222.41, stdev=11.12
    clat percentiles (usec):
     |  1.00th=[  172],  5.00th=[  212], 10.00th=[  215], 20.00th=[  217],
     | 30.00th=[  219], 40.00th=[  219], 50.00th=[  221], 60.00th=[  221],
     | 70.00th=[  223], 80.00th=[  225], 90.00th=[  229], 95.00th=[  231],
     | 99.00th=[  237], 99.50th=[  245], 99.90th=[  269], 99.95th=[  281],
     | 99.99th=[  314]
   bw (  MiB/s): min= 1100, max= 1126, per=100.00%, avg=1112.15,
stdev= 4.92, samples=276
   iops        : min=140822, max=144244, avg=142355.08, stdev=629.28,
samples=276
  lat (usec)   : 10=0.01%, 20=0.01%, 50=0.01%, 100=0.03%, 250=98.76%
  lat (usec)   : 500=1.20%, 750=0.01%, 1000=0.01%
  lat (msec)   : 2=0.01%
  cpu          : usr=20.74%, sys=54.54%, ctx=2887, majf=0, minf=11
  IO depths    : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
     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=0.1%, >=64=0.0%
     issued rwts: total=19662985,19658615,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=64

Run status group 0 (all jobs):
   READ: bw=1112MiB/s (1166MB/s), 1112MiB/s-1112MiB/s
(1166MB/s-1166MB/s), io=150GiB (161GB), run=138132-138132msec
  WRITE: bw=1112MiB/s (1166MB/s), 1112MiB/s-1112MiB/s
(1166MB/s-1166MB/s), io=150GiB (161GB), run=138132-138132msec




Anuj gupta <anuj1072538@xxxxxxxxx> 于2024年11月11日周一 20:35写道:
>
> Looks good:
> Reviewed-by: Anuj Gupta <anuj20.g@xxxxxxxxxxx>
>


-- 
Guangwu Zhang
Thanks






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