ioping

读取测试（不会影响设备数据）

块设备测试1

yeqiang@yeqiang-PC:/media/yeqiang$ sudo ioping /dev/sdc -c 10
4 KiB <<< /dev/sdc (block device 7.50 GiB): request=1 time=716.3 us (warmup)
4 KiB <<< /dev/sdc (block device 7.50 GiB): request=2 time=713.1 us
4 KiB <<< /dev/sdc (block device 7.50 GiB): request=3 time=647.2 us
4 KiB <<< /dev/sdc (block device 7.50 GiB): request=4 time=676.8 us
4 KiB <<< /dev/sdc (block device 7.50 GiB): request=5 time=692.0 us
4 KiB <<< /dev/sdc (block device 7.50 GiB): request=6 time=618.4 us
4 KiB <<< /dev/sdc (block device 7.50 GiB): request=7 time=846.7 us (slow)
4 KiB <<< /dev/sdc (block device 7.50 GiB): request=8 time=748.4 us
4 KiB <<< /dev/sdc (block device 7.50 GiB): request=9 time=798.7 us
4 KiB <<< /dev/sdc (block device 7.50 GiB): request=10 time=707.3 us--- /dev/sdc (block device 7.50 GiB) ioping statistics ---
9 requests completed in 6.45 ms, 36 KiB read, 1.40 k iops, 5.45 MiB/s
generated 10 requests in 9.00 s, 40 KiB, 1 iops, 4.44 KiB/s
min/avg/max/mdev = 618.4 us / 716.5 us / 846.7 us / 67.8 us

块设备测试2

yeqiang@yeqiang-PC:/media/yeqiang$ sudo ioping /dev/sdc1 -c 10
4 KiB <<< /dev/sdc1 (block device 7.50 GiB): request=1 time=746.0 us (warmup)
4 KiB <<< /dev/sdc1 (block device 7.50 GiB): request=2 time=765.1 us
4 KiB <<< /dev/sdc1 (block device 7.50 GiB): request=3 time=702.5 us
4 KiB <<< /dev/sdc1 (block device 7.50 GiB): request=4 time=672.9 us
4 KiB <<< /dev/sdc1 (block device 7.50 GiB): request=5 time=681.2 us
4 KiB <<< /dev/sdc1 (block device 7.50 GiB): request=6 time=862.7 us
4 KiB <<< /dev/sdc1 (block device 7.50 GiB): request=7 time=696.6 us
4 KiB <<< /dev/sdc1 (block device 7.50 GiB): request=8 time=630.4 us (fast)
4 KiB <<< /dev/sdc1 (block device 7.50 GiB): request=9 time=787.8 us
4 KiB <<< /dev/sdc1 (block device 7.50 GiB): request=10 time=786.1 us--- /dev/sdc1 (block device 7.50 GiB) ioping statistics ---
9 requests completed in 6.59 ms, 36 KiB read, 1.37 k iops, 5.34 MiB/s
generated 10 requests in 9.00 s, 40 KiB, 1 iops, 4.44 KiB/s
min/avg/max/mdev = 630.4 us / 731.7 us / 862.7 us / 68.9 us

目录测试

yeqiang@yeqiang-PC:/media/yeqiang$ ioping /media/yeqiang/D41B-431E/ -c 10
4 KiB <<< /media/yeqiang/D41B-431E/ (vfat /dev/sdc1): request=1 time=11.0 ms (warmup)
4 KiB <<< /media/yeqiang/D41B-431E/ (vfat /dev/sdc1): request=2 time=576.4 us
4 KiB <<< /media/yeqiang/D41B-431E/ (vfat /dev/sdc1): request=3 time=539.8 us
4 KiB <<< /media/yeqiang/D41B-431E/ (vfat /dev/sdc1): request=4 time=559.8 us
4 KiB <<< /media/yeqiang/D41B-431E/ (vfat /dev/sdc1): request=5 time=695.0 us
4 KiB <<< /media/yeqiang/D41B-431E/ (vfat /dev/sdc1): request=6 time=614.8 us
4 KiB <<< /media/yeqiang/D41B-431E/ (vfat /dev/sdc1): request=7 time=598.1 us
4 KiB <<< /media/yeqiang/D41B-431E/ (vfat /dev/sdc1): request=8 time=548.9 us
4 KiB <<< /media/yeqiang/D41B-431E/ (vfat /dev/sdc1): request=9 time=561.8 us
4 KiB <<< /media/yeqiang/D41B-431E/ (vfat /dev/sdc1): request=10 time=504.7 us (fast)--- /media/yeqiang/D41B-431E/ (vfat /dev/sdc1) ioping statistics ---
9 requests completed in 5.20 ms, 36 KiB read, 1.73 k iops, 6.76 MiB/s
generated 10 requests in 9.00 s, 40 KiB, 1 iops, 4.44 KiB/s
min/avg/max/mdev = 504.7 us / 577.7 us / 695.0 us / 51.3 us

文件测试

yeqiang@yeqiang-PC:/media/yeqiang$ dd if=/dev/zero of=/media/yeqiang/D41B-431E/testfile bs=1M count=1
记录了1+0 的读入
记录了1+0 的写出
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.182796 s, 5.7 MB/s
yeqiang@yeqiang-PC:/media/yeqiang$ ioping /media/yeqiang/D41B-431E/testfile -c 10
4 KiB <<< /media/yeqiang/D41B-431E/testfile (vfat /dev/sdc1): request=1 time=815.1 us (warmup)
4 KiB <<< /media/yeqiang/D41B-431E/testfile (vfat /dev/sdc1): request=2 time=563.7 us
4 KiB <<< /media/yeqiang/D41B-431E/testfile (vfat /dev/sdc1): request=3 time=559.1 us
4 KiB <<< /media/yeqiang/D41B-431E/testfile (vfat /dev/sdc1): request=4 time=750.7 us
4 KiB <<< /media/yeqiang/D41B-431E/testfile (vfat /dev/sdc1): request=5 time=614.7 us
4 KiB <<< /media/yeqiang/D41B-431E/testfile (vfat /dev/sdc1): request=6 time=705.1 us
4 KiB <<< /media/yeqiang/D41B-431E/testfile (vfat /dev/sdc1): request=7 time=557.2 us (fast)
4 KiB <<< /media/yeqiang/D41B-431E/testfile (vfat /dev/sdc1): request=8 time=587.2 us
4 KiB <<< /media/yeqiang/D41B-431E/testfile (vfat /dev/sdc1): request=9 time=577.7 us
4 KiB <<< /media/yeqiang/D41B-431E/testfile (vfat /dev/sdc1): request=10 time=520.9 us (fast)--- /media/yeqiang/D41B-431E/testfile (vfat /dev/sdc1) ioping statistics ---
9 requests completed in 5.44 ms, 36 KiB read, 1.66 k iops, 6.47 MiB/s
generated 10 requests in 9.00 s, 40 KiB, 1 iops, 4.44 KiB/s
min/avg/max/mdev = 520.9 us / 604.0 us / 750.7 us / 71.2 us

写入测试

块设备(危险操作，数据丢失风险)

yeqiang@yeqiang-PC:/media/yeqiang$ sudo ioping -WWW /dev/sdc -c 10
4 KiB >>> /dev/sdc (block device 7.50 GiB): request=1 time=1.39 s (warmup)
4 KiB >>> /dev/sdc (block device 7.50 GiB): request=2 time=1.40 s
4 KiB >>> /dev/sdc (block device 7.50 GiB): request=3 time=1.40 s
4 KiB >>> /dev/sdc (block device 7.50 GiB): request=4 time=1.41 s
4 KiB >>> /dev/sdc (block device 7.50 GiB): request=5 time=1.40 s
4 KiB >>> /dev/sdc (block device 7.50 GiB): request=6 time=1.41 s
4 KiB >>> /dev/sdc (block device 7.50 GiB): request=7 time=1.40 s
4 KiB >>> /dev/sdc (block device 7.50 GiB): request=8 time=1.40 s
4 KiB >>> /dev/sdc (block device 7.50 GiB): request=9 time=1.39 s (fast)
4 KiB >>> /dev/sdc (block device 7.50 GiB): request=10 time=1.41 s (slow)--- /dev/sdc (block device 7.50 GiB) ioping statistics ---
9 requests completed in 12.6 s, 36 KiB written, 0 iops, 2.85 KiB/s
generated 10 requests in 14.0 s, 40 KiB, 0 iops, 2.86 KiB/s
min/avg/max/mdev = 1.39 s / 1.40 s / 1.41 s / 7.73 ms

100M写入块设备测试

yeqiang@yeqiang-PC:/media/yeqiang$ sudo ioping -WWW /dev/sdc -c 10 -s 100M
100 MiB >>> /dev/sdc (block device 7.50 GiB): request=1 time=13.1 s (warmup)
100 MiB >>> /dev/sdc (block device 7.50 GiB): request=2 time=10.3 s
100 MiB >>> /dev/sdc (block device 7.50 GiB): request=3 time=25.5 s
100 MiB >>> /dev/sdc (block device 7.50 GiB): request=4 time=10.4 s
100 MiB >>> /dev/sdc (block device 7.50 GiB): request=5 time=8.90 s
100 MiB >>> /dev/sdc (block device 7.50 GiB): request=6 time=10.3 s
100 MiB >>> /dev/sdc (block device 7.50 GiB): request=7 time=33.9 s (slow)
100 MiB >>> /dev/sdc (block device 7.50 GiB): request=8 time=11.8 s
100 MiB >>> /dev/sdc (block device 7.50 GiB): request=9 time=10.4 s
100 MiB >>> /dev/sdc (block device 7.50 GiB): request=10 time=8.90 s (fast)--- /dev/sdc (block device 7.50 GiB) ioping statistics ---
9 requests completed in 2.17 min, 900 MiB written, 0 iops, 6.90 MiB/s
generated 10 requests in 2.39 min, 1000 MiB, 0 iops, 6.96 MiB/s
min/avg/max/mdev = 8.90 s / 14.5 s / 33.9 s / 8.42 s

分区数据丢失

yeqiang@yeqiang-PC:/media/yeqiang$ sudo fdisk /dev/sdc -l
Disk /dev/sdc: 7.5 GiB, 8054112256 bytes, 15730688 sectors
Disk model: USB DISK
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes

目录测试

yeqiang@yeqiang-PC:/media/yeqiang$ ioping /media/yeqiang/5ae88def-9ccc-4ddd-8981-f61459617570/ -c 1 -W -s 100M
100 MiB >>> /media/yeqiang/5ae88def-9ccc-4ddd-8981-f61459617570/ (xfs /dev/sdc1): request=1 time=15.5 s (warmup)--- /media/yeqiang/5ae88def-9ccc-4ddd-8981-f61459617570/ (xfs /dev/sdc1) ioping statistics ---
0 requests completed in 0 ns, 0 B written, 0 iops, 0 B/s
generated 1 requests in 15.5 s, 100 MiB, 0 iops, 6.43 MiB/s
min/avg/max/mdev = 0 ns / 0 ns / 0 ns / 0 ns
yeqiang@yeqiang-PC:/media/yeqiang$ ioping /media/yeqiang/5ae88def-9ccc-4ddd-8981-f61459617570/ -c 10 -W
4 KiB >>> /media/yeqiang/5ae88def-9ccc-4ddd-8981-f61459617570/ (xfs /dev/sdc1): request=1 time=1.02 ms (warmup)
4 KiB >>> /media/yeqiang/5ae88def-9ccc-4ddd-8981-f61459617570/ (xfs /dev/sdc1): request=2 time=468.6 us
4 KiB >>> /media/yeqiang/5ae88def-9ccc-4ddd-8981-f61459617570/ (xfs /dev/sdc1): request=3 time=3.38 ms
4 KiB >>> /media/yeqiang/5ae88def-9ccc-4ddd-8981-f61459617570/ (xfs /dev/sdc1): request=4 time=2.53 ms
4 KiB >>> /media/yeqiang/5ae88def-9ccc-4ddd-8981-f61459617570/ (xfs /dev/sdc1): request=5 time=761.8 us
4 KiB >>> /media/yeqiang/5ae88def-9ccc-4ddd-8981-f61459617570/ (xfs /dev/sdc1): request=6 time=683.6 us
4 KiB >>> /media/yeqiang/5ae88def-9ccc-4ddd-8981-f61459617570/ (xfs /dev/sdc1): request=7 time=3.42 ms (slow)
4 KiB >>> /media/yeqiang/5ae88def-9ccc-4ddd-8981-f61459617570/ (xfs /dev/sdc1): request=8 time=687.4 us
4 KiB >>> /media/yeqiang/5ae88def-9ccc-4ddd-8981-f61459617570/ (xfs /dev/sdc1): request=9 time=3.37 ms (slow)
4 KiB >>> /media/yeqiang/5ae88def-9ccc-4ddd-8981-f61459617570/ (xfs /dev/sdc1): request=10 time=702.0 us--- /media/yeqiang/5ae88def-9ccc-4ddd-8981-f61459617570/ (xfs /dev/sdc1) ioping statistics ---
9 requests completed in 16.0 ms, 36 KiB written, 562 iops, 2.20 MiB/s
generated 10 requests in 9.00 s, 40 KiB, 1 iops, 4.44 KiB/s
min/avg/max/mdev = 468.6 us / 1.78 ms / 3.42 ms / 1.28 ms
yeqiang@yeqiang-PC:/media/yeqiang$

iozone

文件读写测试4K（O_DIRECT）

yeqiang@yeqiang-PC:/media/yeqiang$ iozone -f /media/yeqiang/5ae88def-9ccc-4ddd-8981-f61459617570/iozone  -I -s 1MIozone: Performance Test of File I/OVersion $Revision: 3.429 $Compiled for 64 bit mode.Build: linux-AMD64 Contributors:William Norcott, Don Capps, Isom Crawford, Kirby CollinsAl Slater, Scott Rhine, Mike Wisner, Ken GossSteve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer,Vangel Bojaxhi, Ben England, Vikentsi Lapa.Run began: Wed Jun  8 11:07:28 2022O_DIRECT feature enabledFile size set to 1024 kBCommand line used: iozone -f /media/yeqiang/5ae88def-9ccc-4ddd-8981-f61459617570/iozone -I -s 1MOutput is in kBytes/secTime Resolution = 0.000001 seconds.Processor cache size set to 1024 kBytes.Processor cache line size set to 32 bytes.File stride size set to 17 * record size.random    random     bkwd    record    stride                                    kB  reclen    write  rewrite    read    reread    read     write     read   rewrite      read   fwrite frewrite    fread  freread1024       4     4832     5001     7853     7961     7534      470     7897      1227      7491  2803859  3923040  6559147  7160597iozone test complete.

文件读写测试4K（O_DIRECT,SYNC）

yeqiang@yeqiang-PC:/media/yeqiang$ iozone -f /media/yeqiang/5ae88def-9ccc-4ddd-8981-f61459617570/iozone -o -I -s 1MIozone: Performance Test of File I/OVersion $Revision: 3.429 $Compiled for 64 bit mode.Build: linux-AMD64 Contributors:William Norcott, Don Capps, Isom Crawford, Kirby CollinsAl Slater, Scott Rhine, Mike Wisner, Ken GossSteve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer,Vangel Bojaxhi, Ben England, Vikentsi Lapa.Run began: Wed Jun  8 10:15:52 2022SYNC Mode. O_DIRECT feature enabledFile size set to 1024 kBCommand line used: iozone -f /media/yeqiang/5ae88def-9ccc-4ddd-8981-f61459617570/iozone -o -I -s 1MOutput is in kBytes/secTime Resolution = 0.000001 seconds.Processor cache size set to 1024 kBytes.Processor cache line size set to 32 bytes.File stride size set to 17 * record size.random    random     bkwd    record    stride                                    kB  reclen    write  rewrite    read    reread    read     write     read   rewrite      read   fwrite frewrite    fread  freread1024       4      315      552     7752     8092     7819      558     7528       311      7558  3311958  5151040  7101400  6744549iozone test complete.

注意，采用SYNC,O_DIRECT模式测试数据与ioping相当。接近硬件本身能力。

文件读写测试4K(由于有操作系统缓存，与实际硬盘性能相差较大，仅供参考)

yeqiang@yeqiang-PC:/media/yeqiang$ iozone -f /media/yeqiang/5ae88def-9ccc-4ddd-8981-f61459617570/iozone  -s 1MIozone: Performance Test of File I/OVersion $Revision: 3.429 $Compiled for 64 bit mode.Build: linux-AMD64 Contributors:William Norcott, Don Capps, Isom Crawford, Kirby CollinsAl Slater, Scott Rhine, Mike Wisner, Ken GossSteve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer,Vangel Bojaxhi, Ben England, Vikentsi Lapa.Run began: Wed Jun  8 10:19:18 2022File size set to 1024 kBCommand line used: iozone -f /media/yeqiang/5ae88def-9ccc-4ddd-8981-f61459617570/iozone -s 1MOutput is in kBytes/secTime Resolution = 0.000001 seconds.Processor cache size set to 1024 kBytes.Processor cache line size set to 32 bytes.File stride size set to 17 * record size.random    random     bkwd    record    stride                                    kB  reclen    write  rewrite    read    reread    read     write     read   rewrite      read   fwrite frewrite    fread  freread1024       4  3751699  5813392  6874084  6441107  8326715  5593820  6609617   7113161   7644933  5983467  5251818  7755368  9569770iozone test complete.

也可采用iozone -a参数测试，会进行大量不通文件大小，块组合测试，时间较长。

fio

顺序读取4k 1M

yeqiang@yeqiang-PC:/media/yeqiang$ fio -filename=/media/yeqiang/5ae88def-9ccc-4ddd-8981-f61459617570/fio -direct=1 -thread -rw=read -ioengine=sync -bs=4k -size=1M -numjobs=1  -group_reporting -name=read_1m4k
read_1m4k: (g=0): rw=read, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=sync, iodepth=1
fio-3.12
Starting 1 threadread_1m4k: (groupid=0, jobs=1): err= 0: pid=6117: Wed Jun  8 10:42:37 2022read: IOPS=1882, BW=7529KiB/s (7710kB/s)(1024KiB/136msec)clat (usec): min=461, max=735, avg=528.41, stdev=54.61lat (usec): min=461, max=736, avg=528.51, stdev=54.61clat percentiles (usec):|  1.00th=[  465],  5.00th=[  474], 10.00th=[  478], 20.00th=[  486],| 30.00th=[  494], 40.00th=[  502], 50.00th=[  510], 60.00th=[  523],| 70.00th=[  537], 80.00th=[  562], 90.00th=[  611], 95.00th=[  652],| 99.00th=[  693], 99.50th=[  709], 99.90th=[  734], 99.95th=[  734],| 99.99th=[  734]lat (usec)   : 500=35.55%, 750=64.45%cpu          : usr=2.22%, sys=0.00%, ctx=256, majf=0, minf=1IO 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=256,0,0,0 short=0,0,0,0 dropped=0,0,0,0latency   : target=0, window=0, percentile=100.00%, depth=1Run status group 0 (all jobs):READ: bw=7529KiB/s (7710kB/s), 7529KiB/s-7529KiB/s (7710kB/s-7710kB/s), io=1024KiB (1049kB), run=136-136msecDisk stats (read/write):sdc: ios=0/0, merge=0/0, ticks=0/0, in_queue=0, util=0.00%

随机读取4k 1M

yeqiang@yeqiang-PC:/media/yeqiang$ fio -filename=/media/yeqiang/5ae88def-9ccc-4ddd-8981-f61459617570/fio -direct=1 -thread -rw=randread -ioengine=sync -bs=4k -size=1M -numjobs=1  -group_reporting -name=randread_1m4k
randread_1m4k: (g=0): rw=randread, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=sync, iodepth=1
fio-3.12
Starting 1 threadrandread_1m4k: (groupid=0, jobs=1): err= 0: pid=6217: Wed Jun  8 10:43:22 2022read: IOPS=1954, BW=7817KiB/s (8004kB/s)(1024KiB/131msec)clat (usec): min=461, max=838, avg=509.41, stdev=43.22lat (usec): min=461, max=838, avg=509.52, stdev=43.23clat percentiles (usec):|  1.00th=[  465],  5.00th=[  469], 10.00th=[  474], 20.00th=[  478],| 30.00th=[  486], 40.00th=[  494], 50.00th=[  502], 60.00th=[  506],| 70.00th=[  515], 80.00th=[  529], 90.00th=[  553], 95.00th=[  594],| 99.00th=[  644], 99.50th=[  725], 99.90th=[  840], 99.95th=[  840],| 99.99th=[  840]lat (usec)   : 500=48.83%, 750=50.78%, 1000=0.39%cpu          : usr=0.00%, sys=2.31%, ctx=257, majf=0, minf=1IO 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=256,0,0,0 short=0,0,0,0 dropped=0,0,0,0latency   : target=0, window=0, percentile=100.00%, depth=1Run status group 0 (all jobs):READ: bw=7817KiB/s (8004kB/s), 7817KiB/s-7817KiB/s (8004kB/s-8004kB/s), io=1024KiB (1049kB), run=131-131msecDisk stats (read/write):sdc: ios=0/0, merge=0/0, ticks=0/0, in_queue=0, util=0.00%

顺序写4K 1M

yeqiang@yeqiang-PC:/media/yeqiang$ fio -filename=/media/yeqiang/5ae88def-9ccc-4ddd-8981-f61459617570/fio -direct=1 -thread -rw=write -ioengine=sync -bs=4k -size=1M -numjobs=1  -group_reporting -name=write_1m4k
write_1m4k: (g=0): rw=write, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=sync, iodepth=1
fio-3.12
Starting 1 threadwrite_1m4k: (groupid=0, jobs=1): err= 0: pid=6282: Wed Jun  8 10:44:13 2022write: IOPS=1312, BW=5251KiB/s (5377kB/s)(1024KiB/195msec); 0 zone resetsclat (usec): min=310, max=2084, avg=757.87, stdev=681.96lat (usec): min=310, max=2084, avg=758.10, stdev=681.91clat percentiles (usec):|  1.00th=[  314],  5.00th=[  322], 10.00th=[  330], 20.00th=[  343],| 30.00th=[  355], 40.00th=[  367], 50.00th=[  375], 60.00th=[  383],| 70.00th=[  420], 80.00th=[ 1893], 90.00th=[ 1926], 95.00th=[ 1991],| 99.00th=[ 2073], 99.50th=[ 2073], 99.90th=[ 2089], 99.95th=[ 2089],| 99.99th=[ 2089]lat (usec)   : 500=74.61%, 750=0.39%lat (msec)   : 2=21.48%, 4=3.52%cpu          : usr=1.55%, sys=0.00%, ctx=256, majf=0, minf=0IO 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=0,256,0,0 short=0,0,0,0 dropped=0,0,0,0latency   : target=0, window=0, percentile=100.00%, depth=1Run status group 0 (all jobs):WRITE: bw=5251KiB/s (5377kB/s), 5251KiB/s-5251KiB/s (5377kB/s-5377kB/s), io=1024KiB (1049kB), run=195-195msecDisk stats (read/write):sdc: ios=0/195, merge=0/0, ticks=0/145, in_queue=144, util=59.92%

随机写4k

yeqiang@yeqiang-PC:/media/yeqiang$ fio -filename=/media/yeqiang/5ae88def-9ccc-4ddd-8981-f61459617570/fio -direct=1 -thread -rw=randwrite -ioengine=sync -bs=4k -size=1M -numjobs=1  -group_reporting -name=randwrite_1m4k
randwrite_1m4k: (g=0): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=sync, iodepth=1
fio-3.12
Starting 1 thread
Jobs: 1 (f=1)
randwrite_1m4k: (groupid=0, jobs=1): err= 0: pid=6831: Wed Jun  8 10:48:20 2022write: IOPS=116, BW=466KiB/s (477kB/s)(1024KiB/2196msec); 0 zone resetsclat (usec): min=309, max=1426.0k, avg=8574.86, stdev=89010.09lat (usec): min=309, max=1426.0k, avg=8575.10, stdev=89010.10clat percentiles (usec):|  1.00th=[    359],  5.00th=[    392], 10.00th=[    676],| 20.00th=[   2442], 30.00th=[   2737], 40.00th=[   2999],| 50.00th=[   3130], 60.00th=[   3228], 70.00th=[   3326],| 80.00th=[   3523], 90.00th=[   5014], 95.00th=[   5145],| 99.00th=[   8979], 99.50th=[  11076], 99.90th=[1434452],| 99.95th=[1434452], 99.99th=[1434452]bw (  KiB/s): min=  504, max= 1005, per=100.00%, avg=754.50, stdev=354.26, samples=2iops        : min=  126, max=  251, avg=188.50, stdev=88.39, samples=2lat (usec)   : 500=7.03%, 750=5.08%, 1000=6.25%lat (msec)   : 4=62.89%, 10=17.97%, 20=0.39%cpu          : usr=0.27%, sys=0.00%, ctx=256, majf=0, minf=0IO 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=0,256,0,0 short=0,0,0,0 dropped=0,0,0,0latency   : target=0, window=0, percentile=100.00%, depth=1Run status group 0 (all jobs):WRITE: bw=466KiB/s (477kB/s), 466KiB/s-466KiB/s (477kB/s-477kB/s), io=1024KiB (1049kB), run=2196-2196msecDisk stats (read/write):sdc: ios=0/240, merge=0/0, ticks=0/2142, in_queue=2143, util=95.81%

dd

4k 1M

yeqiang@yeqiang-PC:/media/yeqiang$ dd if=/dev/zero of=/media/yeqiang/5ae88def-9ccc-4ddd-8981-f61459617570/dd bs=4K count=256
记录了256+0 的读入
记录了256+0 的写出
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.000497342 s, 2.1 GB/s

4k 1M direct

yeqiang@yeqiang-PC:/media/yeqiang$ dd if=/dev/zero of=/media/yeqiang/5ae88def-9ccc-4ddd-8981-f61459617570/dd2 bs=4K count=256 oflag=direct
记录了256+0 的读入
记录了256+0 的写出
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.202281 s, 5.2 MB/s

数据对比

	4k顺序写	4K顺序读	说明
ioping	2.2MB/s	6.76MB/s	文件测试
iozone	4.72MB/s	7.67MB/s	-I 直接读写
fio	5.13MB/s	7.35MB/s	-direct=1 -ioengine=sync
dd	5.2MB/s		oflag=direct

总结

ioping使用起来简单粗暴，其数据跟接近物理设备本身能力。

在Linux平台，由于文件缓存机制，针对U盘等可热拔插设备，真实的io速率非常重要。

iozone应当添加-I参数（O_DIRECT）测试，fio应当添加-direct=1 -ioengine=sync，dd应当添加oflag=direct。

在不采用直接IO访问模式，Linux操作系统文件缓存在内存充沛的情况下能极大提升IO性能（可关闭各测试软件直接IO访问开关验证，如iozone去掉-I）。问题1：机器突然掉电，会有大量数据未同步、丢失；问题2：内存不足时，系统性能急剧下降甚至假死。

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Linux 硬件响应性能检测工具硬盘IO测试工具 iozone ioping fio dd

ioping

读取测试（不会影响设备数据）

写入测试

iozone

文件读写测试4K（O_DIRECT）

文件读写测试4K（O_DIRECT,SYNC）

fio

顺序读取4k 1M

随机读取4k 1M

顺序写4K 1M

随机写4k

dd

4k 1M

4k 1M direct

数据对比

总结

Linux 硬件响应性能检测工具硬盘IO测试工具 iozone ioping fio dd相关推荐

最新文章

热门文章

Linux 硬件响应性能检测工具 硬盘IO测试工具 iozone ioping fio dd

ioping

读取测试（不会影响设备数据）

写入测试

iozone

文件读写测试4K（O_DIRECT）

文件读写测试4K（O_DIRECT,SYNC）

fio

顺序读取4k 1M

随机读取4k 1M

顺序写4K 1M

随机写4k

dd

4k 1M

4k 1M direct

数据对比

总结

Linux 硬件响应性能检测工具 硬盘IO测试工具 iozone ioping fio dd相关推荐

最新文章

热门文章

Linux 硬件响应性能检测工具硬盘IO测试工具 iozone ioping fio dd

Linux 硬件响应性能检测工具硬盘IO测试工具 iozone ioping fio dd相关推荐