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46 lines
1.1 KiB
Text
46 lines
1.1 KiB
Text
Examples
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--------
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Show disk I/O latency using the default values and the current directory,
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until interrupted:
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```
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$ ioping .
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4096 bytes from . (ext4 /dev/sda3): request=1 time=0.2 ms
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4096 bytes from . (ext4 /dev/sda3): request=2 time=0.2 ms
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4096 bytes from . (ext4 /dev/sda3): request=3 time=0.3 ms
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4096 bytes from . (ext4 /dev/sda3): request=4 time=12.7 ms
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4096 bytes from . (ext4 /dev/sda3): request=5 time=0.3 ms
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^C
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--- . (ext4 /dev/sda3) ioping statistics ---
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5 requests completed in 4794.0 ms, 364 iops, 1.4 MiB/s
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min/avg/max/mdev = 0.2/2.8/12.7/5.0 ms
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```
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Measure disk seek rate (iops, avg)
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```
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$ ioping -R /dev/sda
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--- /dev/sda (device 465.8 GiB) ioping statistics ---
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186 requests completed in 3004.6 ms, 62 iops, 0.2 MiB/s
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min/avg/max/mdev = 6.4/16.0/26.8/4.7 ms
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```
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Measure disk sequential speed (MiB/s)
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```
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$ ioping -RL /dev/sda
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--- /dev/sda (device 465.8 GiB) ioping statistics ---
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837 requests completed in 3004.1 ms, 292 iops, 72.9 MiB/s
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min/avg/max/mdev = 2.0/3.4/28.9/2.0 ms
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```
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Authors
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-------
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* Konstantin Khlebnikov <koct9i@gmail.com>
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* Kir Kolyshkin <kir@openvz.org>
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Licensed under GPLv3 (or later) <http://www.gnu.org/licenses/gpl-3.0.txt>
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