Created attachment 161820 [details]
CPU Utilization in btop

SUMMARY
***
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***


STEPS TO REPRODUCE
1. Open Ark
2. Click "New Archive"
3. Create a new archive with type "Tar archive (Zstandard-compressed)"
(It is recommended to drag the "Level" to "Max", for prolonged consumed time and easy observation)
4. While creating the archive, observe the CPU utilization and threads of Ark in btop

OBSERVED RESULT
The CPU utilization is low (<10%) on my 8-core CPU (i7-11800H), only one thread is full loaded

EXPECTED RESULT
The CPU utilization should be high, all threads should be full loaded or near full loaded

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch Linux
(available in About System)
KDE Plasma Version: 5.27.8
KDE Frameworks Version: 5.110.0
Qt Version: 5.15.10

ADDITIONAL INFORMATION
My CPU: 16 × 11th Gen Intel® Core™ i7-11800H @ 2.30GHz