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Diffstat (limited to 'system/ioping/README.SBo')
| -rw-r--r-- | system/ioping/README.SBo | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/system/ioping/README.SBo b/system/ioping/README.SBo new file mode 100644 index 0000000000..8ce9199b36 --- /dev/null +++ b/system/ioping/README.SBo @@ -0,0 +1,46 @@ +Examples +-------- + +Show disk I/O latency using the default values and the current directory, +until interrupted: + +``` +$ ioping . +4096 bytes from . (ext4 /dev/sda3): request=1 time=0.2 ms +4096 bytes from . (ext4 /dev/sda3): request=2 time=0.2 ms +4096 bytes from . (ext4 /dev/sda3): request=3 time=0.3 ms +4096 bytes from . (ext4 /dev/sda3): request=4 time=12.7 ms +4096 bytes from . (ext4 /dev/sda3): request=5 time=0.3 ms +^C +--- . (ext4 /dev/sda3) ioping statistics --- +5 requests completed in 4794.0 ms, 364 iops, 1.4 MiB/s +min/avg/max/mdev = 0.2/2.8/12.7/5.0 ms +``` + +Measure disk seek rate (iops, avg) + +``` +$ ioping -R /dev/sda + +--- /dev/sda (device 465.8 GiB) ioping statistics --- +186 requests completed in 3004.6 ms, 62 iops, 0.2 MiB/s +min/avg/max/mdev = 6.4/16.0/26.8/4.7 ms +``` + +Measure disk sequential speed (MiB/s) + +``` +$ ioping -RL /dev/sda + +--- /dev/sda (device 465.8 GiB) ioping statistics --- +837 requests completed in 3004.1 ms, 292 iops, 72.9 MiB/s +min/avg/max/mdev = 2.0/3.4/28.9/2.0 ms +``` + +Authors +------- + +* Konstantin Khlebnikov <koct9i@gmail.com> +* Kir Kolyshkin <kir@openvz.org> + +Licensed under GPLv3 (or later) <http://www.gnu.org/licenses/gpl-3.0.txt> |