fio测试IO工具

admin

fio测试IO工具

/ d9 d9 B1 t: g) v$ `. x, r( @

下载地址：

https://brick.kernel.dk/snaps/fio-2.1.10.tar.gz

$ |: b8 S  I0 Z' I! z' T

* \1 _6 i6 y" k* b' F4 s, R

% ~; i: z  r; F

fio-2.1.10.tar.gz

: Z! }& E% L& l, N% C2 f3 V

admin

[root@testssd ~]# tar -zxvf fio-2.1.10.tar.gz     解压fio
fio-2.1.10/

安装gcc gcc-c++  make
# yum install -y gcc gcc-c++ make
2 W' }/ e7 H  u# T6 y

admin

[root@test1hhd fio-2.1.10]# ./configure
6 B8 `! e2 ?  d6 WOperating system              Linux
CPU                           x86_64
Big endian                    no
8 V$ F2 t$ L! G* eCompiler                      gcc
Cross compile                 no

Wordsize                      64
zlib                          no
Linux AIO support             no
2 ?/ l) K* n& {, t6 IPOSIX AIO support             yes
/ O' B! Q' ^0 K( b4 {) S4 `POSIX AIO support needs -lrt  yes
  j1 e, L: ]8 M. U, GPOSIX AIO fsync               yes
. V3 ~, a. Q: z+ TSolaris AIO support           no
__sync_fetch_and_add          yes
' G4 Y* L, I# ?  h0 z1 `libverbs                      no
! o6 h) ?! E$ x( g1 @rdmacm                        no
3 n: r& U4 h4 m% g3 b8 E+ F; tLinux fallocate               yes
* u, H% H$ q4 d) y; E  _7 Z  [POSIX fadvise                 yes
' b/ O# S$ B$ O3 sPOSIX fallocate               yes
2 A; G5 T" L1 esched_setaffinity(3 arg)      yes
  {: L6 h+ L3 V; @7 H( V0 _sched_setaffinity(2 arg)      no
clock_gettime                 yes
CLOCK_MONOTONIC               yes
( [( U7 h" q  m7 @CLOCK_MONOTONIC_PRECISE       no
gettimeofday                  yes
: |5 }: d7 Y, X5 t' g! n/ f# }fdatasync                     yes
3 ~8 m7 b5 e! j: hsync_file_range               yes
$ Y  ~% d( w( @* W1 \7 w0 r9 EEXT4 move extent              yes
" w# ~0 B# Q0 t9 i1 B$ NLinux splice(2)               yes
GUASI                         no
Fusion-io atomic engine       no
libnuma                       no
strsep                        yes
6 N$ n; p& g9 ]0 Z, `strcasestr                    yes
8 V2 |7 R. Q. ]0 ogetopt_long_only()            yes
4 w) ~! ^# I$ h5 l/ E% t2 w9 _% ]1 Xinet_aton                     yes
socklen_t                     yes
# J/ K/ s0 S  p1 c" O__thread                      yes
gtk 2.18 or higher            no
3 U* b$ Z& s  }RUSAGE_THREAD                 yes
4 v& Q$ b) D( HSCHED_IDLE                    yes
, }1 `- G1 R0 Y% ^* Q; S$ R) a  PTCP_NODELAY                   yes
RLIMIT_MEMLOCK                yes
. A/ p5 v. v6 [) _+ z' _) f4 v- S$ x/ hpwritev/preadv                yes
) Y# y8 X* H7 [. S/ b( e+ t6 H' TIPv6 helpers                  yes
4 j+ r; {7 F4 z9 E; b' o. [( uRados Block Device engine     no
setvbuf                       yes
Gluster API engine            no
2 ~/ c9 b0 i: I# w+ E2 E. {Gluster API use fadvise       no
: x6 A% [* E& l, X& H* E* W" y8 Cs390_z196_facilities          no

admin

[root@test1hhd fio-2.1.10]# make
  D6 {8 W  V6 p: M7 r: X' W6 oFIO_VERSION = fio-2.1.10
7 [7 l  P- F3 c7 L    CC gettime.o
8 B- P7 d; c) G6 z    CC ioengines.o
    CC init.o
    CC stat.o
    CC log.o
    CC time.o
    CC filesetup.o
    CC eta.o
5 }3 P$ h- g! r, w    CC verify.o
/ S6 F' Y* c( u) t+ s7 {7 V    CC memory.o
    CC io_u.o
    CC parse.o
) G9 }# K  ~1 i0 P* x; B    CC mutex.o
* z0 t9 w5 v7 i9 N    CC options.o
8 z7 E& O  J. ]+ v    CC lib/rbtree.o
) h: [: R0 ]8 v$ Q/ z# i. |+ U0 Y    CC smalloc.o
    CC filehash.o
) o) I$ t6 g7 m    CC profile.o
7 j% {/ H: u, C. V% n  Z4 v    CC debug.o
: v% t! p5 c1 S  x    CC lib/rand.o
    CC lib/num2str.o
! [  c$ S. @) D/ @2 j$ }    CC lib/ieee754.o
    CC crc/crc16.o
    CC crc/sha512.o
& e6 p( N) b! r3 M; Y( [$ I  p    CC crc/crc7.o
, j" t8 U: ?% Q    CC crc/sha1.o
    CC crc/crc32c.o
    CC crc/crc32.o
    CC crc/crc32c-intel.o
    CC crc/xxhash.o
    CC crc/test.o
: b: k$ N5 S0 n. Z& v* j    CC crc/sha256.o
    CC crc/md5.o
    CC crc/crc64.o
7 {8 T6 e$ _9 H5 W5 @    CC engines/cpu.o
    CC engines/mmap.o
    CC engines/sync.o
4 ^# K) A4 E  c" [/ y0 M6 a$ I( j    CC engines/null.o
    CC engines/net.o
    CC memalign.o
    CC server.o
    CC client.o
    CC iolog.o
1 M1 r& ]$ g; o: U0 P5 s3 `    CC backend.o
! I' N" d# b. s$ o# u0 ^5 ^& L( h* N    CC libfio.o
    CC flow.o
- G5 A& o. f% N6 l    CC cconv.o
    CC lib/prio_tree.o
    CC json.o
    CC lib/zipf.o
2 l" {& b5 t8 u5 w4 c    CC lib/axmap.o
    CC lib/lfsr.o
4 N; f4 g  T# W  s% ^    CC gettime-thread.o
5 x# ?0 Q! \6 P! `& w; t  I4 w    CC helpers.o
    CC lib/flist_sort.o
    CC lib/hweight.o
    CC lib/getrusage.o
4 a7 k2 t- O5 K  Q- a" r    CC idletime.o
    CC td_error.o
6 c- x! c4 Z: \    CC profiles/tiobench.o
% l& L! L5 B7 C6 X7 r    CC profiles/act.o
$ R& g2 Z& A' P% P4 f4 z    CC io_u_queue.o
0 s7 D' ?4 G) J/ c; L' g    CC filelock.o
' f+ K7 w2 X0 u1 c: F    CC engines/posixaio.o
/ F4 W1 V# z# P8 g! L+ Q( D    CC engines/falloc.o
    CC engines/e4defrag.o
    CC engines/splice.o
    CC diskutil.o
    CC fifo.o
    CC blktrace.o
& T, ?2 k2 K5 K2 K* M% M' X    CC cgroup.o
    CC trim.o
    CC engines/sg.o
    CC engines/binject.o
2 k% Y) S/ s( f5 J3 J: H    CC fio.o
    LINK fio
[root@test1hhd fio-2.1.10]#  make install
. f! \: s+ J9 `install -m 755 -d /usr/local/bin
: I( H: L. N7 A! W9 f( ~5 ainstall fio tools/fio_generate_plots tools/plot/fio2gnuplot tools/genfio /usr/local/bin
/ O! i3 M+ t& M2 ?* ]( r! W  w8 m( n* binstall -m 755 -d /usr/local/man/man1
install -m 644 fio.1 /usr/local/man/man1
0 ~; L2 Q/ G* p5 Yinstall -m 644 tools/fio_generate_plots.1 /usr/local/man/man1
install -m 644 tools/plot/fio2gnuplot.1 /usr/local/man/man1
! y( r$ l5 W. d4 X# kinstall -m 755 -d /usr/local/share/fio
8 |- s/ W: U- Y( `, g# Rinstall -m 644 tools/plot/*gpm /usr/local/share/fio/

admin

[root@test1hhd ~]# fio -filename=/dev/vda  -direct=1 -iodepth 1 -thread -rw=randread -ioengine=psync -bs=4k -size=1000G -numjobs=50 -runtime=180 -group_reporting -name=rand_100read_4k
% h; W0 z0 Z' k! R# C  c+ f) w& Frand_100read_4k: (g=0): rw=randread, bs=4K-4K/4K-4K/4K-4K, ioengine=psync, iodepth=1
...
2 y' E" V  I) C2 d1 P% H6 ]fio-2.1.10
Starting 50 threads
Jobs: 50 (f=50): [rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr] [11.0% done] [12671KB/0KB/0KB /s] [3167/0/0 iops] [eta 02m:41sJobs: 50 (f=50): [rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr] [11.6% done] [14601KB/0KB/0KB /s] [3650/0/0 iops] [eta 02m:40sJobs: 50 (f=50): [rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr] [12.2% done] [7948KB/0KB/0KB /s] [1987/0/0 iops] [eta 02m:39s]Jobs: 6 (f=6): [___rr___r_________________r__________________r___r] [2.2% done] [163KB/0KB/0KB /s] [40/0/0 iops] [eta 02h:12m:01s]]
rand_100read_4k: (groupid=0, jobs=50): err= 0: pid=19880: Mon Jun 20 13:42:03 2022
8 d5 F  u) A# c1 ~- [3 }  read : io=840436KB, bw=4634.1KB/s, iops=1158, runt=181327msec
' ~3 }3 V. A$ q( Z4 K    clat (usec): min=308, max=3703.3K, avg=42907.91, stdev=175774.03
% q$ W$ e: S2 c7 ^3 {: M# j     lat (usec): min=308, max=3703.3K, avg=42908.22, stdev=175774.04
    clat percentiles (usec):
     |  1.00th=[  402],  5.00th=[  450], 10.00th=[  482], 20.00th=[  532],
     | 30.00th=[  572], 40.00th=[  612], 50.00th=[  684], 60.00th=[ 1688],
$ s2 _2 f4 N1 Q; E     | 70.00th=[ 7776], 80.00th=[30848], 90.00th=[93696], 95.00th=[195584],
     | 99.00th=[700416], 99.50th=[1335296], 99.90th=[2473984], 99.95th=[2867200],
. y; o( D% \$ s     | 99.99th=[3293184]
- v( i) ^& J& d/ a    bw (KB  /s): min=    1, max=  810, per=2.59%, avg=119.98, stdev=103.34
    lat (usec) : 500=13.52%, 750=41.62%, 1000=3.46%
+ d' X3 j$ S6 R! I1 r5 B    lat (msec) : 2=1.79%, 4=4.13%, 10=6.84%, 20=4.77%, 50=8.64%
    lat (msec) : 100=5.68%, 250=5.93%, 500=2.12%, 750=0.58%, 1000=0.24%
- w5 P# h: Z) N+ b+ t    lat (msec) : 2000=0.49%, >=2000=0.20%
3 W* v& U/ y& ^# h1 Q( q# e8 H  cpu          : usr=0.04%, sys=0.06%, ctx=210142, majf=0, minf=59
% t( n2 v) q4 Y( ~  z  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%
! n6 E, I. A: Z     issued    : total=r=210109/w=0/d=0, short=r=0/w=0/d=0
     latency   : target=0, window=0, percentile=100.00%, depth=1
1 O( X/ T! d* d
6 p/ \) e2 k2 |8 Q! U3 `3 O5 V& D5 yRun status group 0 (all jobs):
0 V2 F" c: \( v; \& l, c9 I6 {- [   READ: io=840436KB, aggrb=4634KB/s, minb=4634KB/s, maxb=4634KB/s, mint=181327msec, maxt=181327msec
) h5 U4 T( I% x8 X0 R; x& x
Disk stats (read/write):
% @$ @6 E' v# |  vda: ios=210103/28, merge=0/2, ticks=8996207/20602, in_queue=8914609, util=98.70%

admin

fio -filename=/dev/vda  -direct=1 -iodepth 1 -thread -rw=randread -ioengine=psync -bs=4k -size=1000G -numjobs=50 -runtime=180 -group_reporting -name=rand_100read_4k
* t3 c! P" }5 o! W) F0 @6 \. B fio -filename=/dev/vda -direct=1 -iodepth 1 -thread -rw=randwrite -ioengine=psync -bs=4k -size=1000G -numjobs=50 -runtime=180 -group_reporting -name=rand_100write_4k

; O2 A# N7 x1 J: U' o( }2 G4 \" F* Jfio -filename=/dev/vda -direct=1 -iodepth 1 -thread -rw=read -ioengine=psync -bs=4k -size=1000G -numjobs=50 -runtime=180 -group_reporting -name=sqe_100read_4k
' ]4 q7 F$ J" X: M8 i

测试场景：

　　100%随机，100%读， 4K
　　fio -filename=/dev/vda -direct=1 -iodepth 1 -thread -rw=randread -ioengine=psync -bs=4k -size=1000G -numjobs=50 -runtime=180 -group_reporting -name=rand_100read_4k

　　100%随机，100%写， 4K
+ H# ~# |% A! q% ?　　fio -filename=/dev/vda -direct=1 -iodepth 1 -thread -rw=randwrite -ioengine=psync -bs=4k -size=1000G -numjobs=50 -runtime=180 -group_reporting -name=rand_100write_4k

　　100%顺序，100%读 ，4K
8 t' }, p2 k' \5 ~　　fio -filename=/dev/vda -direct=1 -iodepth 1 -thread -rw=read -ioengine=psync -bs=4k -size=1000G -numjobs=50 -runtime=180 -group_reporting -name=sqe_100read_4k

　　100%顺序，100%写 ，4K
  b" ]' o- T1 ^　　fio -filename=/dev/vda -direct=1 -iodepth 1 -thread -rw=write -ioengine=psync -bs=4k -size=1000G -numjobs=50 -runtime=180 -group_reporting -name=sqe_100write_4k

　　100%随机，70%读，30%写 4K
: R- Y8 ]& i. ]1 [9 y% O　　fio -filename=/dev/vda -direct=1 -iodepth 1 -thread -rw=randrw -rwmixread=70 -ioengine=psync -bs=4k -size=1000G -numjobs=50 -runtime=180 -group_reporting -name=randrw_70read_4k

admin

[root@testssd ~]# fio -ioengine=libaio -bs=16k -direct=1 -thread -rw=read -size=1G -filename=test.img -name="test" -iodepth=1 -time_based -runtime=60 -numjobs=16 -group_reporting
3 o9 D; Y( ^3 [( u/ T! ]) Hfio: engine libaio not loadable
. O1 [+ a8 J- h) }& Ufio: failed to load engine libaio
+ H( B+ A9 t8 n4 _! w# [[root@testssd ~]# fio -filename=/dev/vda -ioengine=libaio -bs=16k -direct=1 -thread -rw=read -size=1G -filename=test.img -name="test" -iodepth=1 -time_based -runtime=60 -numjobs=16 -group_reporting
# w  y: k& q1 t1 {fio: engine libaio not loadable
fio: failed to load engine libaio
7 F# M! s/ R' O* T4 E[root@testssd ~]# fio -filename=/dev/vda  -bs=16k -direct=1 -thread -rw=read -size=1G -filename=test.img -name="test" -iodepth=1 -time_based -runtime=60 -numjobs=16 -group_reporting
test: (g=0): rw=read, bs=16K-16K/16K-16K/16K-16K, ioengine=sync, iodepth=1
1 t$ Q" J" d8 ^" y...
fio-2.1.10
5 d) t$ U1 h( @- y# \: L/ u. {Starting 16 threads
0 f1 Y5 p5 V% g/ {5 A1 G" M, }5 H5 M4 jtest: Laying out IO file(s) (1 file(s) / 512MB)
Jobs: 16 (f=32): [RRRRRRRRRRRRRRRR] [100.0% done] [141.7MB/0KB/0KB /s] [9027/0/0 iops] [eta 00m:00s]
test: (groupid=0, jobs=16): err= 0: pid=21845: Mon Jun 20 14:19:25 2022
  read : io=8328.9MB, bw=142137KB/s, iops=8883, runt= 60004msec
- E8 t% @. _. C6 e    clat (usec): min=215, max=62700, avg=1798.77, stdev=1583.64
8 m0 k* h) E( l* S+ o4 O  `4 x1 q     lat (usec): min=215, max=62700, avg=1798.97, stdev=1583.65
    clat percentiles (usec):
* a' W: S9 S, X6 N4 C7 ~% X     |  1.00th=[  306],  5.00th=[  362], 10.00th=[  458], 20.00th=[  724],
     | 30.00th=[ 1096], 40.00th=[ 1640], 50.00th=[ 1864], 60.00th=[ 2024],
3 J  U. B, S8 i: H' j4 j0 s     | 70.00th=[ 2224], 80.00th=[ 2320], 90.00th=[ 2608], 95.00th=[ 2928],
! E$ l. n- E. e2 O8 U! Y1 Z     | 99.00th=[ 6944], 99.50th=[10432], 99.90th=[22656], 99.95th=[26240],
     | 99.99th=[34560]
5 C0 n# Z. t' I8 X5 o    bw (KB  /s): min= 2331, max=19523, per=6.25%, avg=8879.79, stdev=3417.38
    lat (usec) : 250=0.01%, 500=11.32%, 750=9.70%, 1000=7.54%
! B+ w; |) C  d# w# \    lat (msec) : 2=30.34%, 4=39.02%, 10=1.53%, 20=0.39%, 50=0.14%
" j) q6 ?8 e& p# P3 I# ~* r6 S    lat (msec) : 100=0.01%
0 M& T% i3 V2 |% G  cpu          : usr=0.29%, sys=1.34%, ctx=533068, majf=0, minf=82
  g" G' k# s0 ]. P$ \  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    : total=r=533048/w=0/d=0, short=r=0/w=0/d=0
- \+ x+ y/ i0 s9 Q+ R9 q     latency   : target=0, window=0, percentile=100.00%, depth=1

Run status group 0 (all jobs):
   READ: io=8328.9MB, aggrb=142136KB/s, minb=142136KB/s, maxb=142136KB/s, mint=60004msec, maxt=60004msec
4 K& u9 E7 ]8 p* ^8 {/ M5 z
Disk stats (read/write):
  vda: ios=529229/11, merge=784/1, ticks=938227/67, in_queue=936843, util=99.83%
  dm-0: ios=265320/10, merge=0/0, ticks=475542/77, in_queue=476458, util=98.64%
9 d$ n6 Q% g1 m5 J, C' o% [[root@testssd ~]# fio   -bs=16k -direct=1 -thread -rw=read -size=1G -filename=test.img -name="test" -iodepth=1 -time_based -runtime=60 -numjobs=16 -group_reporting
, b2 G4 r! m) w/ btest: (g=0): rw=read, bs=16K-16K/16K-16K/16K-16K, ioengine=sync, iodepth=1
...
fio-2.1.10
. W% a2 l( ?, v" pStarting 16 threads
test: Laying out IO file(s) (1 file(s) / 1024MB)
Jobs: 16 (f=16): [RRRRRRRRRRRRRRRR] [100.0% done] [139.3MB/0KB/0KB /s] [8914/0/0 iops] [eta 00m:00s]
test: (groupid=0, jobs=16): err= 0: pid=21868: Mon Jun 20 14:23:39 2022
0 J# ?3 |) o  @  read : io=8815.7MB, bw=150436KB/s, iops=9402, runt= 60003msec
9 O: Z* a6 V; u( `# d    clat (usec): min=255, max=44491, avg=1695.99, stdev=1232.95
     lat (usec): min=255, max=44492, avg=1696.20, stdev=1232.95
& {9 T  t* l$ P" n    clat percentiles (usec):
     |  1.00th=[  426],  5.00th=[  532], 10.00th=[  636], 20.00th=[  820],
     | 30.00th=[  948], 40.00th=[ 1176], 50.00th=[ 1688], 60.00th=[ 2192],
) l, w( \  Z  f     | 70.00th=[ 2256], 80.00th=[ 2288], 90.00th=[ 2448], 95.00th=[ 2832],
( ]1 v( ^" B" @% H5 [! w- G1 I     | 99.00th=[ 4960], 99.50th=[ 7968], 99.90th=[15808], 99.95th=[21120],
$ J% T8 ?' J# E# Y3 n, M, [% `     | 99.99th=[31360]
    bw (KB  /s): min= 3937, max=24768, per=6.26%, avg=9414.93, stdev=3580.20
    lat (usec) : 500=3.42%, 750=12.21%, 1000=17.97%
) C8 ?5 V/ v2 l+ O    lat (msec) : 2=21.95%, 4=43.18%, 10=0.98%, 20=0.22%, 50=0.06%
  cpu          : usr=0.28%, sys=1.52%, ctx=564232, majf=0, minf=82
$ `' s7 M3 }5 B3 _9 t# W7 i; }# f  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
, q8 V+ P5 B6 p     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
! c! Y: X  H' T4 T" q- w, O# [     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
. V8 d2 u3 B  B& l+ c     issued    : total=r=564164/w=0/d=0, short=r=0/w=0/d=0
     latency   : target=0, window=0, percentile=100.00%, depth=1

Run status group 0 (all jobs):
   READ: io=8815.7MB, aggrb=150436KB/s, minb=150436KB/s, maxb=150436KB/s, mint=60003msec, maxt=60003msec
: S" S+ o) _6 f8 `2 W
5 j2 m# U6 y/ K/ n  k' v$ {Disk stats (read/write):
2 i: |" R0 |5 k. g5 f    dm-0: ios=563996/9, merge=0/0, ticks=941286/41, in_queue=942042, util=99.74%, aggrios=562960/10, aggrmerge=899/1, aggrticks=939104/36, aggrin_queue=938630, aggrutil=99.65%
0 b5 i) Z6 Q- ~5 ^, R6 X$ t; M  vda: ios=562960/10, merge=899/1, ticks=939104/36, in_queue=938630, util=99.65%
[root@testssd ~]#

admin

测试延迟

​ 队列深度为1，bs设置为4k，也就是模拟单个队列读写的延迟测试
8 U5 x/ u% c( T; _/ ?! _. h: G; }
吞吐

​ 队列深度为32，bs设置为128k，测试最大能力去跑满整个磁盘带宽

7 P" M0 n7 [. e5 d1 Q" Yiops
" ^2 f: X- ~" k" w: `3 M2 s# j
​ 队列深度为32，bs设置为4k，要在最短的时间内多去读磁盘

小文件通常测试随机读写，大文件通常测试顺序读写。

' R& I$ g7 T6 B( F. C& y测试顺序读IOPS
1 U( p% F& Z/ O- o. c2 I% O( ?
, U9 C4 i2 w2 G( Qfio -name=Seq_Read_IOPS_Test -group_reporting -direct=1 -iodepth=128 -rw=read -ioengine=libaio -refill_buffers -norandommap -randrepeat=0 -bs=4k -size=10G -numjobs=1 -runtime=600 -filename=/dev/[device]
测试顺序写IOPS
( J& y% O! h( N
4 d$ ^# Y4 O3 ^8 r7 Y% n- O  Ffio -name=Seq_Write_IOPS_Test -group_reporting  -direct=1 -iodepth=128 -rw=write -ioengine=libaio -refill_buffers -norandommap -randrepeat=0 -bs=4k -size=10G -numjobs=1 -runtime=600 -filename=/dev/[device]
测试随机写IOPS
& H" e) m) g1 N% u) U( S. U
  c( M1 i/ a$ {# u" J. u4 c! G( Lfio -name=Rand_Write_IOPS_Test -group_reporting -direct=1 -iodepth=128 -rw=randwrite -ioengine=libaio -refill_buffers -norandommap -randrepeat=0 -bs=4k -size=10G -numjobs=1 -runtime=600 -filename=/dev/[device]
6 v7 ~/ n, A9 E2 h测试随机读IOPS

/ R6 {0 h8 [* ]0 Mfio -name=Rand_Read_IOPS_Test -group_reporting -direct=1 -iodepth=128 -rw=randread -ioengine=libaio -refill_buffers -norandommap -randrepeat=0 -bs=4k -size=10G -numjobs=1 -runtime=600 -filename=/dev/[device]
5 \% Q7 W6 P* O( p. V' S测试混合读写
  _8 O& [. j1 V8 l4 Z" N* `% P
. n7 H3 o( r  i" }: u4 b+ Tfio -name=Read_Write_IOPS_Test -group_reporting -direct=1 -iodepth=128 -rw=randrw -rwmixread=70 -refill_buffers -norandommap -randrepeat=0 -ioengine=libaio -bs=4k -size=10G -numjobs=1 -runtime=600 -ioscheduler=noop
测试写吞吐量
# c! T2 k; u. E) G* b. l3 i
fio -name=Write_BandWidth_Test -group_reporting -direct=1 -iodepth=32 -rw=write -ioengine=libaio -refill_buffers -norandommap -randrepeat=0 -bs=1024k -size=10G -numjobs=1 -runtime=600 -filename=/dev/[device]
) Q$ e6 \9 N# Q/ s测试读吞吐量

$ K* o' Y9 F& J' L. O3 ~fio -name=Read_BandWidth_Test -group_reporting -direct=1 -iodepth=32 -rw=read -ioengine=libaio -refill_buffers -norandommap -randrepeat=0 -bs=1024k -size=10G -numjobs=1 -runtime=600 -filename=/dev/[device]
测试结果输出指标
& r6 f3 v! D$ E, ]) Y: w4 ^IOPS：每秒读/写次数，单位为次（计数）。存储设备的底层驱动类型决定了不同的 IOPS。 --> iops
吞吐量：每秒的读写数据量，单位为MB/s。 --> bw
9 B$ q8 [" Q9 S时延：I/O 操作的发送时间到接收确认所经过的时间，单位为秒。 --> lat (msec)
runt：总运行时间