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- fio --name=read_throughput --directory=./ --numjobs=4 --size=10G --time_based --runtime=60s --ramp_time=2s --ioengine=libaio --direct=1 --verify=0 --bs=1M --iodepth=64 --rw=read --group_reporting=1
- read_throughput: (g=0): rw=read, bs=(R) 1024KiB-1024KiB, (W) 1024KiB-1024KiB, (T) 1024KiB-1024KiB, ioengine=libaio, iodepth=64
- ...
- fio-3.25
- Starting 4 processes
- read_throughput: Laying out IO file (1 file / 10240MiB)
- read_throughput: Laying out IO file (1 file / 10240MiB)
- read_throughput: Laying out IO file (1 file / 10240MiB)
- read_throughput: Laying out IO file (1 file / 10240MiB)
- Jobs: 3 (f=0): [_(1),f(3)][100.0%][r=189MiB/s][r=189 IOPS][eta 00m:00s]
- read_throughput: (groupid=0, jobs=4): err= 0: pid=1793288: Fri Mar 3 14:31:06 2023
- read: IOPS=5, BW=8757KiB/s (8967kB/s)(740MiB/86533msec)
- slat (usec): min=23, max=123, avg=45.38, stdev=11.40
- clat (msec): min=2462, max=57018, avg=30157.59, stdev=11825.76
- lat (msec): min=2462, max=57018, avg=30157.68, stdev=11825.71
- clat percentiles (msec):
- | 1.00th=[ 3406], 5.00th=[ 7349], 10.00th=[12550], 20.00th=[17113],
- | 30.00th=[17113], 40.00th=[17113], 50.00th=[17113], 60.00th=[17113],
- | 70.00th=[17113], 80.00th=[17113], 90.00th=[17113], 95.00th=[17113],
- | 99.00th=[17113], 99.50th=[17113], 99.90th=[17113], 99.95th=[17113],
- | 99.99th=[17113]
- bw ( KiB/s): min= 8084, max=34848, per=100.00%, avg=10646.34, stdev=1330.54, samples=376
- iops : min= 6, max= 34, avg=10.31, stdev= 1.31, samples=376
- lat (msec) : >=2000=151.64%
- cpu : usr=0.00%, sys=0.01%, ctx=742, majf=0, minf=233
- IO depths : 1=0.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=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=99.2%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.8%, >=64=0.0%
- issued rwts: total=488,0,0,0 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=8757KiB/s (8967kB/s), 8757KiB/s-8757KiB/s (8967kB/s-8967kB/s), io=740MiB (776MB), run=86533-86533msec
- Disk stats (read/write):
- nvme0n1: ios=1175/90, merge=0/92, ticks=27046598/694, in_queue=27047291, util=93.43%
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