KDiskMark – Free Open-Source HDD / SSD Disk Benchmark Tool for Linux

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KDiskMark is a free and open-source HDD and SSD benchmark tool for Linux Distros.

The software is written in C++ with Qt5 framework. It has a very friendly graphical user interface similar to CrystalDiskMark. With its presets and powerful GUI calls Flexible I/O Tester and handles the output to provide an easy to view and interpret comprehensive benchmark result.

KDiskMark features:

  • Configurable block size, queues, and threads count for each test
  • Many languages support
  • Report generation

Report example:

KDiskMark (1.6.2): https://github.com/JonMagon/KDiskMark
Flexible I/O Tester (fio-3.16): https://github.com/axboe/fio
-----------------------------------------------------------------------------
* MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s]
* KB = 1000 bytes, KiB = 1024 bytes

[Read]
Sequential 1 MiB (Q= 8, T= 1): 453.582 MB/s [ 443.0 IOPS] < 18316.16 us>
Sequential 1 MiB (Q= 1, T= 1): 390.378 MB/s [ 381.2 IOPS] < 2620.95 us>
Random 4 KiB (Q=32, T=16): 132.077 MB/s [ 33020.1 IOPS] < 3889.12 us>
Random 4 KiB (Q= 1, T= 1): 19.849 MB/s [ 4962.4 IOPS] < 193.65 us>

[Write]
Sequential 1 MiB (Q= 8, T= 1): 371.772 MB/s [ 363.1 IOPS] < 25739.71 us>
Sequential 1 MiB (Q= 1, T= 1): 283.937 MB/s [ 277.3 IOPS] < 2629.31 us>
Random 4 KiB (Q=32, T=16): 87.852 MB/s [ 21964.0 IOPS] < 5825.51 us>
Random 4 KiB (Q= 1, T= 1): 54.924 MB/s [ 13731.0 IOPS] < 69.45 us>

Profile: Default
Test: 1 GiB (x5) [Interval: 5 sec]
Date: 2020/10/20 13:58:26
OS: ubuntu 20.04 [linux 5.4.0-48-generic]

How to Get KDiskMark in Linux:

Install KDiskMark via PPA in Ubuntu:

The software offers an official PPA so far supports for Ubuntu 18.04, Ubuntu 20.04, Ubuntu 22.04, and Linux Mint 20/21.

  1. Open terminal and run command to add the PPA: 
    sudo add-apt-repository ppa:jonmagon/kdiskmark

  2. Then run 2 commands one by one to refresh package cache and install the benchmark tool: 
    sudo apt update
    sudo apt install kdiskmark

To uninstall the PPA, run command:

sudo add-apt-repository --remove ppa:jonmagon/kdiskmark

And remove the software if you want by running command:

sudo apt remove --autoremove kdiskmark

Install KDiskMark in Fedora:

Open terminal and run following commands one by one:

sudo dnf copr enable atim/kdiskmark -y
sudo dnf install kdiskmark

For other Linux, go download the deb, rpm, or Linux portable package at the link below:

KDiskMark Releases
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