fio测试IO工具

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fio测试IO工具

下载地址：

: P  S9 I1 r. y  o- f. I

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

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fio-2.1.10.tar.gz

admin

[root@testssd ~]# tar -zxvf fio-2.1.10.tar.gz     解压fio
fio-2.1.10/
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安装gcc gcc-c++  make
# yum install -y gcc gcc-c++ make
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admin

[root@test1hhd fio-2.1.10]# ./configure
4 }9 Y+ X# k" R: s$ @Operating system              Linux
. v  Y- T( i5 l$ i/ {: F5 v( W/ WCPU                           x86_64
Big endian                    no
Compiler                      gcc
Cross compile                 no
( v9 R# `2 h) O
Wordsize                      64
zlib                          no
: r4 w+ Q8 T, l# gLinux AIO support             no
9 o" Y. d7 W6 q( ]/ O  T' m+ pPOSIX AIO support             yes
$ q' Q- c) {3 A) mPOSIX AIO support needs -lrt  yes
POSIX AIO fsync               yes
Solaris AIO support           no
% R' T: B( o) T$ \2 G__sync_fetch_and_add          yes
libverbs                      no
7 V- W5 L" C: \& c- I, g) |/ wrdmacm                        no
Linux fallocate               yes
8 P& f# n$ v  S& Q# IPOSIX fadvise                 yes
POSIX fallocate               yes
$ h2 C( _$ f3 msched_setaffinity(3 arg)      yes
; _2 }% W& c' d. l* psched_setaffinity(2 arg)      no
5 y/ V' h& X+ k$ h% G3 P6 rclock_gettime                 yes
CLOCK_MONOTONIC               yes
CLOCK_MONOTONIC_PRECISE       no
gettimeofday                  yes
9 [. e" g5 H$ z2 j( p4 G7 m" efdatasync                     yes
sync_file_range               yes
EXT4 move extent              yes
Linux splice(2)               yes
GUASI                         no
2 u8 j( R& W$ LFusion-io atomic engine       no
% X) z9 d- y! \* X/ d6 mlibnuma                       no
: O: h/ c% N( T4 V. mstrsep                        yes
strcasestr                    yes
getopt_long_only()            yes
inet_aton                     yes
4 y2 h- ~: K; jsocklen_t                     yes
; T# n* e0 g0 K8 v' O9 v) z__thread                      yes
$ G6 l; v2 [$ J/ fgtk 2.18 or higher            no
( z0 O- J7 A/ |8 S7 d" W4 ~RUSAGE_THREAD                 yes
  v7 \; N8 `' {. o. [; r; _SCHED_IDLE                    yes
4 m  ?, R  E: C, XTCP_NODELAY                   yes
; j1 o9 Y5 v$ V* f! P/ N6 ]* ~- v( cRLIMIT_MEMLOCK                yes
" f, M! I6 F5 l" x  l- lpwritev/preadv                yes
IPv6 helpers                  yes
Rados Block Device engine     no
( a4 e& Y) _9 Y) I1 ssetvbuf                       yes
  i/ Y' R2 r. H8 m4 \! U% cGluster API engine            no
Gluster API use fadvise       no
s390_z196_facilities          no

admin

[root@test1hhd fio-2.1.10]# make
, u, w) ]' Q4 C9 BFIO_VERSION = fio-2.1.10
9 K7 O1 i/ p3 y. `4 W    CC gettime.o
. E4 ~3 b) R' s8 F    CC ioengines.o
9 A& ?( C7 n% P2 y  J: l" k    CC init.o
+ x0 V$ H3 y5 B5 p; k    CC stat.o
* U( n$ h$ S4 @) {    CC log.o
    CC time.o
    CC filesetup.o
' t+ a- p3 h' _' q    CC eta.o
    CC verify.o
    CC memory.o
    CC io_u.o
& h* p+ |2 F. L2 @. M1 Z    CC parse.o
    CC mutex.o
% d) ?7 B/ W1 I. h" s6 o) v    CC options.o
    CC lib/rbtree.o
6 M4 a9 Y; m6 p1 R! N. o, D    CC smalloc.o
    CC filehash.o
& m9 U' y3 `# m* p' E/ Y* Y1 C) l    CC profile.o
    CC debug.o
    CC lib/rand.o
- @* K* }8 E# _  p6 S: s7 D    CC lib/num2str.o
4 l" {% c9 r9 v: G* H    CC lib/ieee754.o
* }1 |+ u' Z6 x# K    CC crc/crc16.o
    CC crc/sha512.o
    CC crc/crc7.o
    CC crc/sha1.o
    CC crc/crc32c.o
    CC crc/crc32.o
! w9 M: g# x, m* U$ g    CC crc/crc32c-intel.o
  ~( Q# T' c# N  `' p; H5 I    CC crc/xxhash.o
    CC crc/test.o
4 N) U6 J7 A! i. D    CC crc/sha256.o
! e  ]" l+ O9 T) U% g2 B, t( b$ s    CC crc/md5.o
    CC crc/crc64.o
    CC engines/cpu.o
. t0 _4 T! M, X+ W) g6 d. m$ `    CC engines/mmap.o
    CC engines/sync.o
    CC engines/null.o
3 T1 r8 z4 [! b( q/ S* N" e    CC engines/net.o
( B, p4 C2 B; ?    CC memalign.o
    CC server.o
    CC client.o
" A; Y! r6 Q: _' W' x+ @3 N    CC iolog.o
9 N% T$ K* w$ S. S( P    CC backend.o
6 o& B! p6 @! n    CC libfio.o
; b. x2 B! g3 N    CC flow.o
9 l1 j. m8 T8 V( ]    CC cconv.o
    CC lib/prio_tree.o
    CC json.o
* y7 `+ B& \" b5 t2 w" H    CC lib/zipf.o
8 d6 ]; {% w, V9 i% d2 g7 S! o    CC lib/axmap.o
    CC lib/lfsr.o
7 z, A: E; |% D) {9 {& j  f    CC gettime-thread.o
    CC helpers.o
    CC lib/flist_sort.o
. _/ b5 y9 G$ |    CC lib/hweight.o
    CC lib/getrusage.o
    CC idletime.o
    CC td_error.o
+ i( r! a6 e  m" n# P    CC profiles/tiobench.o
    CC profiles/act.o
    CC io_u_queue.o
/ D! t0 c) f5 A7 o    CC filelock.o
, [; [3 B' x8 R! y) M2 E    CC engines/posixaio.o
' H( f& Z, b( Z& i# r$ x0 }    CC engines/falloc.o
7 I( J( a; R( L- `6 K    CC engines/e4defrag.o
    CC engines/splice.o
0 u5 H+ |% F$ T    CC diskutil.o
$ \; ]! T' w2 z4 L    CC fifo.o
    CC blktrace.o
0 q" r1 ~/ v( }' F2 F' s    CC cgroup.o
* ^7 y( M, r# o* ]  N    CC trim.o
9 A' Z9 n/ \9 W! |+ j    CC engines/sg.o
    CC engines/binject.o
    CC fio.o
) `$ F- M+ A6 Z2 N( W- h    LINK fio
6 Y; v) e/ `" H+ H/ v4 Z[root@test1hhd fio-2.1.10]#  make install
install -m 755 -d /usr/local/bin
) z& {! s4 r$ \/ K) K! i  Oinstall fio tools/fio_generate_plots tools/plot/fio2gnuplot tools/genfio /usr/local/bin
* D/ @2 \+ a! j1 `% Iinstall -m 755 -d /usr/local/man/man1
install -m 644 fio.1 /usr/local/man/man1
install -m 644 tools/fio_generate_plots.1 /usr/local/man/man1
4 j% r- f: S. h; n, `install -m 644 tools/plot/fio2gnuplot.1 /usr/local/man/man1
- A/ F9 V# h  [9 m/ t6 einstall -m 755 -d /usr/local/share/fio
install -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
% _! \1 u7 K: hrand_100read_4k: (g=0): rw=randread, bs=4K-4K/4K-4K/4K-4K, ioengine=psync, iodepth=1
5 p; E, N3 |4 ~6 O  `...
; X4 q" Y5 z8 n4 ffio-2.1.10
+ ^0 s, S' A# Z8 TStarting 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
  read : io=840436KB, bw=4634.1KB/s, iops=1158, runt=181327msec
    clat (usec): min=308, max=3703.3K, avg=42907.91, stdev=175774.03
     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],
5 C6 }: j' X" P+ U4 G2 r% D     | 30.00th=[  572], 40.00th=[  612], 50.00th=[  684], 60.00th=[ 1688],
/ U, J/ n0 m0 b4 @' K# K" H9 h     | 70.00th=[ 7776], 80.00th=[30848], 90.00th=[93696], 95.00th=[195584],
; x4 V1 O: V9 h0 m     | 99.00th=[700416], 99.50th=[1335296], 99.90th=[2473984], 99.95th=[2867200],
     | 99.99th=[3293184]
    bw (KB  /s): min=    1, max=  810, per=2.59%, avg=119.98, stdev=103.34
; Y- {, x8 ?! r( t7 F    lat (usec) : 500=13.52%, 750=41.62%, 1000=3.46%
" j. f4 ?3 n3 b+ f# f9 q  h    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%
% F! `1 w! Z" C0 ?    lat (msec) : 2000=0.49%, >=2000=0.20%
  cpu          : usr=0.04%, sys=0.06%, ctx=210142, majf=0, minf=59
4 w# j/ D  c; D* d6 Y# }  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
0 b, b/ I( Q$ A     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
" c+ h: [; d+ z2 T. V6 D4 n( v1 o     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
9 o4 o7 p+ s+ j2 c/ t) r% B     issued    : total=r=210109/w=0/d=0, short=r=0/w=0/d=0
" T1 p( S- B5 C2 C     latency   : target=0, window=0, percentile=100.00%, depth=1

6 H$ Q# A3 k8 \# i/ Z! C/ bRun status group 0 (all jobs):
   READ: io=840436KB, aggrb=4634KB/s, minb=4634KB/s, maxb=4634KB/s, mint=181327msec, maxt=181327msec

Disk stats (read/write):
  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

( g0 a: Z6 @* |6 cfio -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
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测试场景：

　　100%随机，100%读， 4K
, \$ E  N$ i6 U- O6 K  i　　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
4 B' [1 ?+ G6 V' i5 L' Y3 X　　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
　　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
9 ]# m! _9 w! q8 [# P+ k　　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
- ]4 m5 f* q; r; [- G. o4 `4 C　　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
% e$ K% k, ~9 {: n- e8 A5 k) q" kfio: engine libaio not loadable
" H; E2 Z7 N5 N7 w5 W5 Gfio: 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
fio: engine libaio not loadable
fio: failed to load engine libaio
[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
( K$ E% m1 O+ P. Ltest: (g=0): rw=read, bs=16K-16K/16K-16K/16K-16K, ioengine=sync, iodepth=1
- F+ R& F4 Y5 A: M...
9 X4 G' F; x4 x/ J# A" a9 efio-2.1.10
) k' S% k% G/ }! K- f) z# cStarting 16 threads
test: Laying out IO file(s) (1 file(s) / 512MB)
0 O: J( q& q5 HJobs: 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
    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):
2 j% o& t9 m, P! z. ?- H     |  1.00th=[  306],  5.00th=[  362], 10.00th=[  458], 20.00th=[  724],
     | 30.00th=[ 1096], 40.00th=[ 1640], 50.00th=[ 1864], 60.00th=[ 2024],
     | 70.00th=[ 2224], 80.00th=[ 2320], 90.00th=[ 2608], 95.00th=[ 2928],
# N& @5 G; s8 w. ~. `     | 99.00th=[ 6944], 99.50th=[10432], 99.90th=[22656], 99.95th=[26240],
     | 99.99th=[34560]
    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%
    lat (msec) : 2=30.34%, 4=39.02%, 10=1.53%, 20=0.39%, 50=0.14%
    lat (msec) : 100=0.01%
  I$ ]! W7 x' L1 R- c  cpu          : usr=0.29%, sys=1.34%, ctx=533068, majf=0, minf=82
2 J! p* O) T6 ?2 }0 R; u4 _  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
" O% @1 t' C. ?$ L# ^     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
. J1 ?! N9 z- T4 J6 x: S) [" p     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
; v4 [  ?8 \1 }: x  Q     issued    : total=r=533048/w=0/d=0, short=r=0/w=0/d=0
- P; h2 s) T8 K. E3 X" `9 z9 Z     latency   : target=0, window=0, percentile=100.00%, depth=1
. O! K7 V% Y' B' G9 o8 x
9 R4 L" P, y' l) v: KRun status group 0 (all jobs):
6 D  [- R; j! g$ F7 u; e' B" X. L  |   READ: io=8328.9MB, aggrb=142136KB/s, minb=142136KB/s, maxb=142136KB/s, mint=60004msec, maxt=60004msec

: i/ m# O5 F& t$ J5 W; tDisk 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%
" A" ?/ w1 p5 z9 t7 I[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
" }; T4 l8 e; W0 a3 i...
fio-2.1.10
; n; F. U% ]% O( M  \# I  y, Z! e. @Starting 16 threads
test: Laying out IO file(s) (1 file(s) / 1024MB)
* ]5 I8 ~2 T1 J' U5 ?) X4 ~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
3 J) D4 {9 N; X9 r  read : io=8815.7MB, bw=150436KB/s, iops=9402, runt= 60003msec
$ A: q* E; N& P- [    clat (usec): min=255, max=44491, avg=1695.99, stdev=1232.95
3 [, J+ t( [- G1 M4 Y     lat (usec): min=255, max=44492, avg=1696.20, stdev=1232.95
2 T6 I) V5 Y2 t& o    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],
     | 70.00th=[ 2256], 80.00th=[ 2288], 90.00th=[ 2448], 95.00th=[ 2832],
     | 99.00th=[ 4960], 99.50th=[ 7968], 99.90th=[15808], 99.95th=[21120],
0 `* B5 e) X1 K1 \7 Y$ N     | 99.99th=[31360]
% A" ?& T( F9 }1 R7 \) o    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%
    lat (msec) : 2=21.95%, 4=43.18%, 10=0.98%, 20=0.22%, 50=0.06%
7 H# r& C# ~* v9 ^, W- y  cpu          : usr=0.28%, sys=1.52%, ctx=564232, 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%
2 n6 r& O" @5 M5 Y' p6 w. N     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
. C, e% |5 j5 A     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
2 @- ^; v5 Y  j( @# T  @. s     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

% b" ?- {8 c/ {( m( eRun status group 0 (all jobs):
4 f" c0 U2 b4 v. o0 j8 H8 D   READ: io=8815.7MB, aggrb=150436KB/s, minb=150436KB/s, maxb=150436KB/s, mint=60003msec, maxt=60003msec

4 u9 b  p4 s2 yDisk 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%
5 n/ {" E: ~: B$ j# l6 \3 \  vda: ios=562960/10, merge=899/1, ticks=939104/36, in_queue=938630, util=99.65%
& h7 K9 ^3 x4 u: f) N6 n[root@testssd ~]#

admin

测试延迟
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​ 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
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​ 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

0 S$ `! I8 G4 c- iiops
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) X* B/ E$ q5 u! G$ d- r& z6 ?( k​ 队列深度为32，bs设置为4k，要在最短的时间内多去读磁盘
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& J3 v; r0 ^  ]  X0 A) S' X小文件通常测试随机读写，大文件通常测试顺序读写。

% z: l& v$ B( P8 Y( S测试顺序读IOPS

fio -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

$ f$ f& o0 _8 k) ?# h5 G3 i7 u  jfio -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]
+ k; x$ q% N2 [* R1 G) y, J测试随机写IOPS

& C+ a3 Y* g8 G; Z7 j# ~1 {" zfio -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
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) [3 W# f0 {( |$ u1 ~; ffio -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

fio -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

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]
( j% _; d$ i/ z! x测试读吞吐量
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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
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
; N! P. C' M, S- Q8 P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