[\u@\h \W]$ ./iozone -b /mnt/usb_iozone.xls -i 0 -i 1 -i 2 -R -t 10 -F /mnt/1 /m
nt/2 /mnt/3 /mnt/4 /mnt/5 /mnt/6 /mnt/7 /mnt/8 /mnt/9 /mnt/10 -c -e -r 4k -s 32m
Iozone: Performance Test of File I/O
Version $Revision: 3.326 $
Compiled for 32 bit mode.
Build: linux-arm
Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
Al Slater, Scott Rhine, Mike Wisner, Ken Goss
Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,
Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy,
Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root.
Run began: Thu Jan 1 08:36:02 1970
Excel chart generation enabled
Include close in write timing
Include fsync in write timing
Record Size 4 KB
File size set to 32768 KB
Command line used: ./iozone -b /mnt/usb_iozone.xls -i 0 -i 1 -i 2 -R -t
10 -F /mnt/1 /mnt/2 /mnt/3 /mnt/4 /mnt/5 /mnt/6 /mnt/7 /mnt/8 /mnt/9 /mnt/10 -c
-e -r 4k -s 32m
Output is in Kbytes/sec
Time Resolution = 0.000025 seconds.
Processor cache size set to 1024 Kbytes.
Processor cache line size set to 32 bytes.
File stride size set to 17 * record size.
Throughput test with 10 processes
Each process writes a 32768 Kbyte file in 4 Kbyte records
Children see throughput for 10 initial writers = 818.27 KB/sec
Parent sees throughput for 10 initial writers = 551.92 KB/sec
Min throughput per process = 47.12 KB/sec
Max throughput per process = 119.36 KB/sec
Avg throughput per process = 81.83 KB/sec
Min xfer = 12760.00 KB
Children see throughput for 10 rewriters = 949.57 KB/sec
Parent sees throughput for 10 rewriters = 806.47 KB/sec
Min throughput per process = 17.52 KB/sec
Max throughput per process = 333.30 KB/sec
Avg throughput per process = 94.96 KB/sec
Min xfer = 1728.00 KB
Children see throughput for 10 readers = 974.96 KB/sec
Parent sees throughput for 10 readers = 974.70 KB/sec
Min throughput per process = 97.48 KB/sec
Max throughput per process = 97.51 KB/sec
Avg throughput per process = 97.50 KB/sec
Min xfer = 32768.00 KB
Children see throughput for 10 re-readers = 972.09 KB/sec
Parent sees throughput for 10 re-readers = 971.85 KB/sec
Min throughput per process = 97.19 KB/sec
Max throughput per process = 97.23 KB/sec
Avg throughput per process = 97.21 KB/sec
Min xfer = 32768.00 KB
Children see throughput for 10 random readers = 442.57 KB/sec
Parent sees throughput for 10 random readers = 442.50 KB/sec
Min throughput per process = 42.22 KB/sec
Max throughput per process = 46.54 KB/sec
Avg throughput per process = 44.26 KB/sec
Min xfer = 29732.00 KB
Children see throughput for 10 random writers = 144.81 KB/sec
Parent sees throughput for 10 random writers = 132.20 KB/sec
Min throughput per process = 12.12 KB/sec
Max throughput per process = 17.46 KB/sec
Avg throughput per process = 14.48 KB/sec
Min xfer = 24008.00 KB
"Throughput report Y-axis is type of test X-axis is number of processes"
"Record size = 4 Kbytes "
"Output is in Kbytes/sec"
" Initial write " 818.27
" Rewrite " 949.57
" Read " 974.96
" Re-read " 972.09
" Random read " 442.57
" Random write " 144.81
iozone test complete.
