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Shell script which mimics CrystalDiskMark 6 on Linux systems with the help of fio

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fio-cdm

Mimic CrystalDiskMark 6 on Linux devices with the help of fio

Tested with fio version 3.5

Usage

fio-cdm <path>

If using a custom build fio change FIOCMD to the absolute path of the fio binary.

Notes

Currently the following warning is emitted when running the script:

128K-Q32T1-Seq-Read: No I/O performed by libaio, perhaps try --debug=io option for details?
128K-Q32T1-Seq-Write: No I/O performed by libaio, perhaps try --debug=io option for details?

The results of the script seem to be correct but this should be investigated. This probably has something to do with the ramp_time option.

Sample

# fio-cdm /mnt/bc35
|           | Read(MB/s)|Write(MB/s)|
|-----------|-----------|-----------|
| Seq Q32T1 |    183.000|    148.000|
| 4K  Q8T8  |      1.114|      1.229|
| 4K  Q32T1 |      1.519|      0.888|
| 4K  Q1T1  |      0.621|      0.965|

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Shell script which mimics CrystalDiskMark 6 on Linux systems with the help of fio

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