fio测试IO工具

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fio测试IO工具

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下载地址：

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

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fio-2.1.10.tar.gz

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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
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admin

[root@test1hhd fio-2.1.10]# ./configure
Operating system              Linux
CPU                           x86_64
Big endian                    no
  C: R6 N% Q0 n! A3 M% G2 BCompiler                      gcc
+ K! |& n; W1 B6 e6 ?Cross compile                 no
+ m1 X0 v% v/ J" Y; @# A
, j5 X9 e7 q+ y( B! s+ FWordsize                      64
: P, K# A8 O% r6 X! W) M" c& Z$ qzlib                          no
Linux AIO support             no
POSIX AIO support             yes
POSIX AIO support needs -lrt  yes
- x5 h! m7 G6 rPOSIX AIO fsync               yes
. ?5 s8 r% V. a( y3 ESolaris AIO support           no
__sync_fetch_and_add          yes
. m, B- m1 ^+ D/ K! [5 n4 ]libverbs                      no
rdmacm                        no
/ A9 p! ]2 @& w/ `# wLinux fallocate               yes
! A' o. T0 l, B8 fPOSIX fadvise                 yes
( b2 L. h% c! m  |# D0 @POSIX fallocate               yes
sched_setaffinity(3 arg)      yes
sched_setaffinity(2 arg)      no
7 h9 K# ^( m: y( q& [3 p9 ]( ~% bclock_gettime                 yes
7 V# p% s4 Y, qCLOCK_MONOTONIC               yes
CLOCK_MONOTONIC_PRECISE       no
( ]6 W* l# b# cgettimeofday                  yes
8 p7 m8 T8 E9 I- r7 A% a  Ffdatasync                     yes
2 y" q& Q7 \* A8 ?" Hsync_file_range               yes
EXT4 move extent              yes
Linux splice(2)               yes
0 ?2 ]& w# A4 D; t9 l- gGUASI                         no
Fusion-io atomic engine       no
libnuma                       no
' B$ N" G! m& l# Q. t% dstrsep                        yes
strcasestr                    yes
* B4 E& t$ g& i/ Egetopt_long_only()            yes
inet_aton                     yes
* t, X0 K  E* g! G2 Dsocklen_t                     yes
__thread                      yes
gtk 2.18 or higher            no
# I6 E8 t& M9 ~) I+ F0 o& V% E" uRUSAGE_THREAD                 yes
SCHED_IDLE                    yes
TCP_NODELAY                   yes
9 [4 f$ [% B. f7 p3 r  X' }# W6 g+ zRLIMIT_MEMLOCK                yes
0 O% L, i/ g$ M3 G- Xpwritev/preadv                yes
IPv6 helpers                  yes
1 h& u" ?6 N3 E3 t3 m* p, o& PRados Block Device engine     no
setvbuf                       yes
3 s; j. n; L( \# k4 R) ~) @" r+ TGluster API engine            no
Gluster API use fadvise       no
/ i4 M. A, ^. Z9 js390_z196_facilities          no

admin

[root@test1hhd fio-2.1.10]# make
FIO_VERSION = fio-2.1.10
    CC gettime.o
" h( e: w+ s; x/ k( ?    CC ioengines.o
    CC init.o
    CC stat.o
    CC log.o
    CC time.o
# p3 Q! y2 k9 W: @/ f    CC filesetup.o
    CC eta.o
; |. `7 I5 U& U$ w0 D    CC verify.o
' z8 A; C0 H% C$ g! ^    CC memory.o
    CC io_u.o
, ~5 K% o' h. m& X+ Q; q7 V$ A    CC parse.o
    CC mutex.o
    CC options.o
8 j! ?1 ^$ E6 V9 m    CC lib/rbtree.o
    CC smalloc.o
! ~4 O. c& l  s" P% A) N    CC filehash.o
    CC profile.o
    CC debug.o
6 T2 q4 r+ r2 V! e) x0 b2 q    CC lib/rand.o
    CC lib/num2str.o
    CC lib/ieee754.o
# h# t6 G0 K' E, D    CC crc/crc16.o
1 _( J; J& z8 k# q3 j; t; S! b    CC crc/sha512.o
5 p3 O; Y" c/ z/ ]8 N    CC crc/crc7.o
    CC crc/sha1.o
$ ?0 M3 ^% X+ s0 m    CC crc/crc32c.o
6 ]6 [/ ^1 J* ~, C5 ?& q" s, g, {( W8 C    CC crc/crc32.o
    CC crc/crc32c-intel.o
  F  Y. b1 ^* a( ]    CC crc/xxhash.o
    CC crc/test.o
! _* ]" i9 |) b$ B& q3 D& K6 F    CC crc/sha256.o
    CC crc/md5.o
- c0 B+ D9 i  ?    CC crc/crc64.o
    CC engines/cpu.o
: _! V! N1 c5 s8 D1 x4 M    CC engines/mmap.o
3 V4 A# g, s0 L( o) r    CC engines/sync.o
+ Q, ^8 }. V; m) F, u    CC engines/null.o
    CC engines/net.o
+ M$ f8 l! E' o0 D    CC memalign.o
    CC server.o
9 ]$ _& H' f" ^    CC client.o
    CC iolog.o
    CC backend.o
    CC libfio.o
    CC flow.o
* B8 h/ [1 y6 L; O9 t6 {  _    CC cconv.o
    CC lib/prio_tree.o
    CC json.o
    CC lib/zipf.o
7 J4 o& }% u' V    CC lib/axmap.o
    CC lib/lfsr.o
    CC gettime-thread.o
8 z% E) ~% u8 |0 V5 }, G' t    CC helpers.o
9 z4 Q5 h" }0 G0 j    CC lib/flist_sort.o
    CC lib/hweight.o
1 E6 I! S: H+ ~% i' S% a+ D6 l6 S    CC lib/getrusage.o
    CC idletime.o
) p9 {) k7 [# G6 L    CC td_error.o
9 P* m) w+ P  D  L* s* z    CC profiles/tiobench.o
# \- U, V6 u) {' Z# `& |8 b    CC profiles/act.o
    CC io_u_queue.o
    CC filelock.o
! ^' }0 v" L$ G4 o: I0 J9 E' ^    CC engines/posixaio.o
    CC engines/falloc.o
    CC engines/e4defrag.o
    CC engines/splice.o
) |8 S7 s8 F- s% \( U    CC diskutil.o
' P# W" N+ J2 H- y    CC fifo.o
- U) o) G4 N5 f, L/ ~    CC blktrace.o
; y9 y# Q2 `: ?( \4 k    CC cgroup.o
    CC trim.o
8 m- C3 Z) {4 [. C- j+ h    CC engines/sg.o
. O2 P9 j% V) \; A" a0 h    CC engines/binject.o
/ n- L& B) R: U- ~! w8 h    CC fio.o
    LINK fio
* ]0 ^' C; B0 O9 y[root@test1hhd fio-2.1.10]#  make install
install -m 755 -d /usr/local/bin
install fio tools/fio_generate_plots tools/plot/fio2gnuplot tools/genfio /usr/local/bin
* J$ b$ f) J1 D& Q2 Q* z- i/ Dinstall -m 755 -d /usr/local/man/man1
& n+ V) _1 ^4 y3 L1 Winstall -m 644 fio.1 /usr/local/man/man1
install -m 644 tools/fio_generate_plots.1 /usr/local/man/man1
0 ~0 {8 a3 B- [5 [6 D) V8 Binstall -m 644 tools/plot/fio2gnuplot.1 /usr/local/man/man1
) ?# p, n! v- `  }3 K& Rinstall -m 755 -d /usr/local/share/fio
% Y1 Z& l! _# g: Binstall -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
rand_100read_4k: (g=0): rw=randread, bs=4K-4K/4K-4K/4K-4K, ioengine=psync, iodepth=1
: A0 _! l, I: l# x...
fio-2.1.10
Starting 50 threads
" h9 X+ M/ c& y2 hJobs: 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
1 _: U7 Q/ H' J6 H5 w$ J7 s  read : io=840436KB, bw=4634.1KB/s, iops=1158, runt=181327msec
& Y. R: m" P2 z8 M- l" ?    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],
     | 30.00th=[  572], 40.00th=[  612], 50.00th=[  684], 60.00th=[ 1688],
     | 70.00th=[ 7776], 80.00th=[30848], 90.00th=[93696], 95.00th=[195584],
' ^( j. W8 R9 |0 j3 Q& b  y$ E     | 99.00th=[700416], 99.50th=[1335296], 99.90th=[2473984], 99.95th=[2867200],
     | 99.99th=[3293184]
( y( U+ X& {$ R  \    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%
    lat (msec) : 2=1.79%, 4=4.13%, 10=6.84%, 20=4.77%, 50=8.64%
' z. o% ]5 _3 r* ^    lat (msec) : 100=5.68%, 250=5.93%, 500=2.12%, 750=0.58%, 1000=0.24%
' p2 ~% c" h% a2 i) x" d7 B% z    lat (msec) : 2000=0.49%, >=2000=0.20%
. e" {1 ?1 c. q9 q  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%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
$ u6 e2 S5 \3 Z6 o0 L     issued    : total=r=210109/w=0/d=0, short=r=0/w=0/d=0
. R' ~5 ]$ {- }0 A     latency   : target=0, window=0, percentile=100.00%, depth=1

Run status group 0 (all jobs):
+ f0 Z$ G7 L7 `% v/ t$ ^- \   READ: io=840436KB, aggrb=4634KB/s, minb=4634KB/s, maxb=4634KB/s, mint=181327msec, maxt=181327msec
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Disk stats (read/write):
8 f2 O: Q4 f( {/ f  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

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
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测试场景：

　　100%随机，100%读， 4K
, l! w/ l1 e$ p! p　　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
% F. Z) l3 t, P6 a　　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
　　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
　　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
8 m' [9 u2 B/ ^: Y0 Xfio: engine libaio not loadable
fio: failed to load engine libaio
! k& ]! C$ L& C! k( B; \* B- O[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
) ^5 w1 \: P) n6 Jfio: engine libaio not loadable
) ]4 K% T) H% C$ B5 Q' T# W( bfio: 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
1 M" e0 e9 H5 V( Q2 J; d4 ctest: (g=0): rw=read, bs=16K-16K/16K-16K/16K-16K, ioengine=sync, iodepth=1
& W- `: J7 B6 ^- H2 t...
. t6 G& e7 h* k9 G& `4 vfio-2.1.10
7 Y# f8 S3 T; M" G0 `9 \3 G( uStarting 16 threads
test: Laying out IO file(s) (1 file(s) / 512MB)
+ G; @+ O+ W+ u; w# @: lJobs: 16 (f=32): [RRRRRRRRRRRRRRRR] [100.0% done] [141.7MB/0KB/0KB /s] [9027/0/0 iops] [eta 00m:00s]
3 C! C, s3 E0 ktest: (groupid=0, jobs=16): err= 0: pid=21845: Mon Jun 20 14:19:25 2022
5 b5 W& {, M7 H! r: y" ^: @! f7 y  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):
& w! ]9 M) w  ]' ~# f  e     |  1.00th=[  306],  5.00th=[  362], 10.00th=[  458], 20.00th=[  724],
& t  ^7 P. }) P# q- r+ {2 k     | 30.00th=[ 1096], 40.00th=[ 1640], 50.00th=[ 1864], 60.00th=[ 2024],
0 M9 X, o9 v: E( s0 L     | 70.00th=[ 2224], 80.00th=[ 2320], 90.00th=[ 2608], 95.00th=[ 2928],
( ]3 d$ X! Z* Y8 w: c     | 99.00th=[ 6944], 99.50th=[10432], 99.90th=[22656], 99.95th=[26240],
0 T1 |- v2 e5 z4 V. \/ u# F     | 99.99th=[34560]
! t3 H- N5 L2 G# J0 j    bw (KB  /s): min= 2331, max=19523, per=6.25%, avg=8879.79, stdev=3417.38
4 R4 z+ d. J# y: K' z+ q8 c    lat (usec) : 250=0.01%, 500=11.32%, 750=9.70%, 1000=7.54%
3 \! z" }2 N1 @2 A3 Q  R( P    lat (msec) : 2=30.34%, 4=39.02%, 10=1.53%, 20=0.39%, 50=0.14%
* Q' t  W: I, ?+ X    lat (msec) : 100=0.01%
# ?) G7 m' W$ ]" @  m; n  cpu          : usr=0.29%, sys=1.34%, ctx=533068, majf=0, minf=82
. p9 ^6 b  f* L. i) }  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
5 q" f" x; I" n9 t8 V9 L: L     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
     latency   : target=0, window=0, percentile=100.00%, depth=1
6 I0 Y( p5 X8 V3 T3 L) x' Y5 c
Run status group 0 (all jobs):
2 [/ y0 {/ Z# ~   READ: io=8328.9MB, aggrb=142136KB/s, minb=142136KB/s, maxb=142136KB/s, mint=60004msec, maxt=60004msec
' k' H0 m2 u2 C( Z4 H! j& S' w
Disk stats (read/write):
  vda: ios=529229/11, merge=784/1, ticks=938227/67, in_queue=936843, util=99.83%
5 ]# |- e9 }5 k. J; S  dm-0: ios=265320/10, merge=0/0, ticks=475542/77, in_queue=476458, util=98.64%
! H8 _+ O, N  Q; [% G$ I# W[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
* n% G7 D) T+ ]# y3 V0 E  ftest: (g=0): rw=read, bs=16K-16K/16K-16K/16K-16K, ioengine=sync, iodepth=1
: o; {, q' r' S$ ~* G...
; X. S& R, @4 K, L9 E6 kfio-2.1.10
Starting 16 threads
8 ?( C/ j9 f8 u& E  |# [test: Laying out IO file(s) (1 file(s) / 1024MB)
( w1 Y! n+ i' PJobs: 16 (f=16): [RRRRRRRRRRRRRRRR] [100.0% done] [139.3MB/0KB/0KB /s] [8914/0/0 iops] [eta 00m:00s]
- r' |, D. I& \$ Z$ X2 r/ O) g* [test: (groupid=0, jobs=16): err= 0: pid=21868: Mon Jun 20 14:23:39 2022
  read : io=8815.7MB, bw=150436KB/s, iops=9402, runt= 60003msec
    clat (usec): min=255, max=44491, avg=1695.99, stdev=1232.95
0 j2 h3 ?$ {6 M7 D6 h! H! [     lat (usec): min=255, max=44492, avg=1696.20, stdev=1232.95
    clat percentiles (usec):
1 i0 `5 Q- v( e# E0 V     |  1.00th=[  426],  5.00th=[  532], 10.00th=[  636], 20.00th=[  820],
     | 30.00th=[  948], 40.00th=[ 1176], 50.00th=[ 1688], 60.00th=[ 2192],
: \4 ^" K+ f6 ?- y/ P7 Y# G     | 70.00th=[ 2256], 80.00th=[ 2288], 90.00th=[ 2448], 95.00th=[ 2832],
% {$ @% ]5 f2 t3 |  E$ t     | 99.00th=[ 4960], 99.50th=[ 7968], 99.90th=[15808], 99.95th=[21120],
     | 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%
    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
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
: f7 o) J4 K! M. r$ x+ G     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=564164/w=0/d=0, short=r=0/w=0/d=0
     latency   : target=0, window=0, percentile=100.00%, depth=1
6 @3 Z. p- y* T/ I0 L/ l, Y  T
Run status group 0 (all jobs):
   READ: io=8815.7MB, aggrb=150436KB/s, minb=150436KB/s, maxb=150436KB/s, mint=60003msec, maxt=60003msec
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: X2 E0 R) z" k) |4 p" R9 cDisk 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%
2 p. r2 q& G9 G$ K/ I; Z  vda: ios=562960/10, merge=899/1, ticks=939104/36, in_queue=938630, util=99.65%
) K6 i4 A3 w- R- t' j[root@testssd ~]#

admin

测试延迟
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' ]& {, l9 X- ^​ 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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吞吐
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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

iops
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3 ?$ z' o1 a1 J2 h- [& }; e​ 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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0 S0 o2 m' V7 }% C小文件通常测试随机读写，大文件通常测试顺序读写。
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测试顺序读IOPS

. F. J" g( x3 f6 D2 F( f9 T7 t- Mfio -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]
7 T3 r+ E. `: y& D3 N  ~测试顺序写IOPS
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3 b0 [) Y! b$ ]( k7 V8 w  ^fio -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
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3 o) o8 M' n1 z' Tfio -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]
- v! ^1 t$ L: ?& I/ Y测试随机读IOPS

fio -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

* x4 T1 }% c2 H: d$ n1 ?, dfio -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
; u/ F- Y7 `" N" z( V- t测试写吞吐量
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& }" ^% t* b1 S. w" ^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]
) p5 L6 j' ^9 K% @3 D( f+ c测试读吞吐量

  L3 w  O8 }9 g, q" _+ Q/ P9 rfio -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]
$ L: _, ~$ K( n9 A测试结果输出指标
  `( q5 W7 j, p7 l4 DIOPS：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
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