fio测试IO工具

admin

fio测试IO工具

下载地址：

5 w& s& S) V4 {3 D' ^8 |

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

. \6 e  o2 [& W- v9 P  a

fio-2.1.10.tar.gz

2 w" k9 g0 w1 G( d

admin

[root@testssd ~]# tar -zxvf fio-2.1.10.tar.gz     解压fio
fio-2.1.10/
. ~2 Z& z; t5 V" P9 s( K9 H
安装gcc gcc-c++  make
# yum install -y gcc gcc-c++ make

admin

[root@test1hhd fio-2.1.10]# ./configure
2 \) W( @5 M9 wOperating system              Linux
9 O  B5 w& Q7 e5 hCPU                           x86_64
Big endian                    no
Compiler                      gcc
) X/ |! {) i7 s" ~( X. x) zCross compile                 no
1 F- O5 h/ R1 z" M
Wordsize                      64
zlib                          no
Linux AIO support             no
POSIX AIO support             yes
POSIX AIO support needs -lrt  yes
  e5 G' J; q& D$ vPOSIX AIO fsync               yes
Solaris AIO support           no
  d5 }8 u% }0 s9 o5 K__sync_fetch_and_add          yes
libverbs                      no
4 p7 ~: ]  b3 F2 d( e- ~rdmacm                        no
# n( P# _5 B3 P1 ?3 x: \" G) nLinux fallocate               yes
# h7 C6 o1 Q% B, g  ~+ t2 ?( TPOSIX fadvise                 yes
POSIX fallocate               yes
4 V1 |! Q* f7 _4 I" ^. q  \sched_setaffinity(3 arg)      yes
sched_setaffinity(2 arg)      no
clock_gettime                 yes
- {/ q/ h% U: ~CLOCK_MONOTONIC               yes
CLOCK_MONOTONIC_PRECISE       no
7 H7 ?4 ?' k$ C" Mgettimeofday                  yes
fdatasync                     yes
sync_file_range               yes
8 ~/ b5 Q3 Z* V4 g. z7 n# _EXT4 move extent              yes
. Y& g. u' \" q$ ~3 ^" w& ~/ WLinux splice(2)               yes
GUASI                         no
) M  L; a) l' s9 h( ?9 f! h" Q% JFusion-io atomic engine       no
libnuma                       no
" ]+ z3 X# |5 N& j7 E2 ?: jstrsep                        yes
; U/ m0 Y2 j& P$ G& Zstrcasestr                    yes
getopt_long_only()            yes
  O+ n/ N0 V  k& ~4 ]inet_aton                     yes
socklen_t                     yes
( U3 J& K3 y  @6 Y2 T6 R+ v6 D__thread                      yes
gtk 2.18 or higher            no
6 ]; N2 }* t4 Y) N9 n# ^# ERUSAGE_THREAD                 yes
) a1 ]! |9 O& k+ I* B9 e9 T: ZSCHED_IDLE                    yes
TCP_NODELAY                   yes
5 {% H  M2 Q( {$ x8 L2 U8 [RLIMIT_MEMLOCK                yes
pwritev/preadv                yes
7 h/ z$ ^- q; w+ W! SIPv6 helpers                  yes
9 ^5 j! l. o0 ]$ `5 {$ d! g3 A; ?3 URados Block Device engine     no
setvbuf                       yes
' N) Y0 X: @# D) uGluster API engine            no
Gluster API use fadvise       no
s390_z196_facilities          no

admin

[root@test1hhd fio-2.1.10]# make
FIO_VERSION = fio-2.1.10
    CC gettime.o
    CC ioengines.o
" X- F. t0 c1 p    CC init.o
+ p1 x! R2 B2 u  e: u: S" W    CC stat.o
9 W* ]/ {! V$ v" C    CC log.o
    CC time.o
    CC filesetup.o
4 M- E' U4 x1 ~8 e6 c  j9 n1 ~    CC eta.o
    CC verify.o
    CC memory.o
    CC io_u.o
" D" x+ Y  ^+ Y- S8 z$ o    CC parse.o
    CC mutex.o
    CC options.o
    CC lib/rbtree.o
    CC smalloc.o
    CC filehash.o
    CC profile.o
    CC debug.o
& Y* P: P' A! V+ [: a1 l' {1 t    CC lib/rand.o
    CC lib/num2str.o
4 M: a$ C  h2 b$ I    CC lib/ieee754.o
4 i# E0 [* d: b9 ~    CC crc/crc16.o
: n7 A! T. t5 _8 L. w' z    CC crc/sha512.o
    CC crc/crc7.o
    CC crc/sha1.o
    CC crc/crc32c.o
: S1 @" ]9 s: y2 c    CC crc/crc32.o
    CC crc/crc32c-intel.o
    CC crc/xxhash.o
$ S+ u) Q2 O- {- i  n4 f    CC crc/test.o
0 p" l, v  q# k1 }8 A    CC crc/sha256.o
    CC crc/md5.o
    CC crc/crc64.o
    CC engines/cpu.o
    CC engines/mmap.o
% n/ O  k$ e2 }' P. A3 J    CC engines/sync.o
* I" f/ U  W; M! @8 v# i& t3 _    CC engines/null.o
- d1 z3 y  p- l/ c9 H/ E: Z    CC engines/net.o
0 e! G( d3 C0 [* w+ t    CC memalign.o
4 @  F; I) q% A+ O2 c    CC server.o
    CC client.o
3 U, h; C) n: Y  ~% Y4 A    CC iolog.o
" N$ a9 y& `& P. T/ C& A    CC backend.o
" a4 h- r% b" O2 F7 r+ [+ l    CC libfio.o
. l) U6 C1 F4 }' d5 f5 a  |    CC flow.o
- m5 P, U0 P( f" Y) f    CC cconv.o
4 q5 K/ @# a, d- Q* {7 ^    CC lib/prio_tree.o
7 b" m) L; E$ \; B    CC json.o
    CC lib/zipf.o
    CC lib/axmap.o
& `+ z; e' I6 z    CC lib/lfsr.o
    CC gettime-thread.o
0 ~: |9 L/ y. L- d; U    CC helpers.o
    CC lib/flist_sort.o
8 D4 R3 @9 C* f, L, D. f7 R) ^/ Y    CC lib/hweight.o
( x" M5 `- Z5 v; _    CC lib/getrusage.o
    CC idletime.o
    CC td_error.o
7 S' b. g& r7 p# \) |# `: L, |/ a    CC profiles/tiobench.o
$ O, i# I7 O$ M# |- B    CC profiles/act.o
: c6 W0 F3 n) }# Y7 x2 l    CC io_u_queue.o
    CC filelock.o
+ j' c% R1 H/ L0 ~3 u' y    CC engines/posixaio.o
    CC engines/falloc.o
    CC engines/e4defrag.o
2 D; X  ~% W6 M- o2 w7 g    CC engines/splice.o
6 H5 `7 q" O! J1 b    CC diskutil.o
/ x% z4 L3 a# Y. ^3 E  M    CC fifo.o
    CC blktrace.o
    CC cgroup.o
: I% J" f5 w& L" H    CC trim.o
( L+ m1 O+ S( L7 L    CC engines/sg.o
( O; n- t8 R  U0 |3 r    CC engines/binject.o
    CC fio.o
    LINK fio
% H6 a* I3 y. i; t[root@test1hhd fio-2.1.10]#  make install
install -m 755 -d /usr/local/bin
" f: r6 B( M) o8 I6 x4 f9 S- H# pinstall fio tools/fio_generate_plots tools/plot/fio2gnuplot tools/genfio /usr/local/bin
! N5 X7 [+ R7 o! I% t: }, Rinstall -m 755 -d /usr/local/man/man1
$ z, z9 j+ l, N8 W$ \0 iinstall -m 644 fio.1 /usr/local/man/man1
$ W5 V" `. z) p6 `install -m 644 tools/fio_generate_plots.1 /usr/local/man/man1
! C: n" h0 M1 E0 B* Sinstall -m 644 tools/plot/fio2gnuplot.1 /usr/local/man/man1
install -m 755 -d /usr/local/share/fio
* W' W8 D6 i, j7 R, hinstall -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
+ s1 D# J! m! w2 W6 S, w! s; q+ t: Wrand_100read_4k: (g=0): rw=randread, bs=4K-4K/4K-4K/4K-4K, ioengine=psync, iodepth=1
...
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
' J; F4 b% \0 U& Q% ?, s  read : io=840436KB, bw=4634.1KB/s, iops=1158, runt=181327msec
5 h. F7 U& k/ c  w6 c* ^2 K1 X( d2 c    clat (usec): min=308, max=3703.3K, avg=42907.91, stdev=175774.03
# X3 w' d3 w0 V. o. A6 e( ?     lat (usec): min=308, max=3703.3K, avg=42908.22, stdev=175774.04
  [, x  i1 U1 h% p2 t  N- V4 ^    clat percentiles (usec):
5 W1 b* e8 d+ r5 e) K" ^# e     |  1.00th=[  402],  5.00th=[  450], 10.00th=[  482], 20.00th=[  532],
     | 30.00th=[  572], 40.00th=[  612], 50.00th=[  684], 60.00th=[ 1688],
     | 70.00th=[ 7776], 80.00th=[30848], 90.00th=[93696], 95.00th=[195584],
     | 99.00th=[700416], 99.50th=[1335296], 99.90th=[2473984], 99.95th=[2867200],
9 E& M( i" R  g( h- H) T     | 99.99th=[3293184]
    bw (KB  /s): min=    1, max=  810, per=2.59%, avg=119.98, stdev=103.34
, H) W- o+ H; o' e( u    lat (usec) : 500=13.52%, 750=41.62%, 1000=3.46%
    lat (msec) : 2=1.79%, 4=4.13%, 10=6.84%, 20=4.77%, 50=8.64%
% j7 J* n: s) {0 v% `9 @: Q( \    lat (msec) : 100=5.68%, 250=5.93%, 500=2.12%, 750=0.58%, 1000=0.24%
% W( C: r, y) B% v$ U, Q9 ]    lat (msec) : 2000=0.49%, >=2000=0.20%
  cpu          : usr=0.04%, sys=0.06%, ctx=210142, majf=0, minf=59
  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%
' B' w0 s8 Y  U& n, K) s( e     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=210109/w=0/d=0, short=r=0/w=0/d=0
6 i. C0 x+ ^- s( w3 ^: H     latency   : target=0, window=0, percentile=100.00%, depth=1
8 I/ f8 E" e8 f3 b
& _, B0 q* _+ X# C7 @7 ERun status group 0 (all jobs):
   READ: io=840436KB, aggrb=4634KB/s, minb=4634KB/s, maxb=4634KB/s, mint=181327msec, maxt=181327msec

$ q" f) D. p. h7 H( K7 j" {Disk stats (read/write):
  y3 z0 n& h; g6 \' ]6 m, i. C( K  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
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
. I* c! v1 n4 v6 e
- o; N1 o: f! |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
" B, q) H2 l  i' U3 @: q- q
, @5 [6 g5 P& e# O4 Z) U# Y

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
　　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
  X) c! J4 r; {" v　　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
3 ]! D* n& F" s! B7 s5 W　　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
9 R  F$ E. L* j　　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
fio: engine libaio not loadable
fio: failed to load engine libaio
[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
9 X' f/ H: \& [1 o) ^2 W1 l% ^fio: engine libaio not loadable
fio: failed to load engine libaio
% p: \' o+ B0 f, k1 \5 c[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
" \  P  f1 h* d' ttest: (g=0): rw=read, bs=16K-16K/16K-16K/16K-16K, ioengine=sync, iodepth=1
...
% A, k# J. `8 A6 I' {fio-2.1.10
9 Z$ |& M% `3 a" [; ^  a& nStarting 16 threads
  I& E' v+ n2 `test: Laying out IO file(s) (1 file(s) / 512MB)
% u% w% A) U0 ^# H, x% gJobs: 16 (f=32): [RRRRRRRRRRRRRRRR] [100.0% done] [141.7MB/0KB/0KB /s] [9027/0/0 iops] [eta 00m:00s]
- p0 c% x: x+ `  E5 |test: (groupid=0, jobs=16): err= 0: pid=21845: Mon Jun 20 14:19:25 2022
* b( o' c* e0 a/ ?  read : io=8328.9MB, bw=142137KB/s, iops=8883, runt= 60004msec
# Y2 F& N: S7 p  ~& [3 k9 y& l& x    clat (usec): min=215, max=62700, avg=1798.77, stdev=1583.64
     lat (usec): min=215, max=62700, avg=1798.97, stdev=1583.65
    clat percentiles (usec):
     |  1.00th=[  306],  5.00th=[  362], 10.00th=[  458], 20.00th=[  724],
$ t: c( E0 m) M6 Q( L& w: S     | 30.00th=[ 1096], 40.00th=[ 1640], 50.00th=[ 1864], 60.00th=[ 2024],
     | 70.00th=[ 2224], 80.00th=[ 2320], 90.00th=[ 2608], 95.00th=[ 2928],
     | 99.00th=[ 6944], 99.50th=[10432], 99.90th=[22656], 99.95th=[26240],
     | 99.99th=[34560]
( F6 m, _5 i$ n6 x  S. i    bw (KB  /s): min= 2331, max=19523, per=6.25%, avg=8879.79, stdev=3417.38
! h( i+ \. V0 ^/ S    lat (usec) : 250=0.01%, 500=11.32%, 750=9.70%, 1000=7.54%
( j! v, W0 `9 I7 G    lat (msec) : 2=30.34%, 4=39.02%, 10=1.53%, 20=0.39%, 50=0.14%
    lat (msec) : 100=0.01%
  cpu          : usr=0.29%, sys=1.34%, ctx=533068, majf=0, minf=82
  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%
* g9 Z  f. ?3 F' x     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
     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
* s8 o; H2 w- a' x0 h. ^: ~1 t
/ _5 ?: [8 \7 w8 e9 YDisk stats (read/write):
2 s# C/ r+ R( o: ]3 t4 Y5 J  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%
0 a2 O5 P* b- z0 `[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
test: (g=0): rw=read, bs=16K-16K/16K-16K/16K-16K, ioengine=sync, iodepth=1
...
% P; e* q/ L/ i, _; pfio-2.1.10
Starting 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
1 k# U, H# O' @7 D" I3 ^9 ~* k+ J  read : io=8815.7MB, bw=150436KB/s, iops=9402, runt= 60003msec
5 ^& ^1 N( ^* {! F3 c    clat (usec): min=255, max=44491, avg=1695.99, stdev=1232.95
     lat (usec): min=255, max=44492, avg=1696.20, stdev=1232.95
    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],
% K6 Y( @) m, Q     | 70.00th=[ 2256], 80.00th=[ 2288], 90.00th=[ 2448], 95.00th=[ 2832],
     | 99.00th=[ 4960], 99.50th=[ 7968], 99.90th=[15808], 99.95th=[21120],
5 e: c, t6 _1 l/ q     | 99.99th=[31360]
) |; {" p# U+ t1 l) W' D    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%
7 m: }. D5 U' f5 @  t1 }    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
* \) J( M5 N; s5 w+ t/ N  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
/ E0 d+ \( F9 V: f. F3 v: ^     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
6 M2 T" x7 z- p& K0 `" W     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  w4 ?5 q( G: \$ u     issued    : total=r=564164/w=0/d=0, short=r=0/w=0/d=0
( M5 Q% A+ ]7 P5 \4 c     latency   : target=0, window=0, percentile=100.00%, depth=1

- p: b& E1 D) ^; [" c1 z9 ARun status group 0 (all jobs):
   READ: io=8815.7MB, aggrb=150436KB/s, minb=150436KB/s, maxb=150436KB/s, mint=60003msec, maxt=60003msec
* V. m5 F1 v$ i5 G+ C& [& d1 n& |- f
Disk stats (read/write):
    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%
+ A9 E! r* e5 |! H2 j  vda: ios=562960/10, merge=899/1, ticks=939104/36, in_queue=938630, util=99.65%
& {4 A. O' M1 v( E( M, j2 q[root@testssd ~]#

admin

测试延迟
  X# D, e2 `; Y" Q
​ 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

/ h8 B% x/ |6 v/ z6 D$ T吞吐
5 W/ r* L% W# I/ g( j9 J
# V) ^9 I) g/ E​ 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

iops
5 k+ y$ o* W  b9 ~
( v0 `: B0 |$ S- O( i9 P​ 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。
! O1 }/ n: `; z; W
$ o' Q2 C% L4 ]& B+ J8 H# C测试顺序读IOPS
! ~1 C- n. V: k- e/ l
9 r( U! [2 b( C" n0 Ofio -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]
( p5 a7 y& v) R  z7 S+ Y/ l9 K- d1 O测试顺序写IOPS
' \2 Y* a+ `" E- f& H( I
1 c% _8 {8 I0 `1 K4 Hfio -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
$ K  e: M3 X6 P# `! M
fio -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]
测试随机读IOPS
% h" t* A: Q( Z; Y9 Y
7 A& F+ H0 \- U$ Bfio -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]
测试混合读写
% `4 A1 z* K. D$ z/ k
" j1 E; \) }8 ifio -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

, J3 U* m& q" @; ^% g+ O/ Gfio -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]
  x, B  u! P' \  f测试读吞吐量
3 q5 v4 M0 P- v# X. \" b$ @0 S
' b: G9 U) [# H' Wfio -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
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
8 ?6 L9 y% \$ e! h吞吐量：每秒的读写数据量，单位为MB/s。 --> bw
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)
! B! q& `2 n5 e1 w8 I7 yrunt：总运行时间