https://www.atoptool.nl/downloadatop.php

> ### Version 2.9.0
>
> •   Modifications for atop:
>
>     a)  Introduction of bar graph mode.
>         With the '-B' flag (or 'B' key) the utilization of the processors, disks, network interfaces and memory/swap is shown as (character-based) bar graphs in four separate windows. The 'B' key can be used to switch between bar graph mode and text mode to view the details.
>         Bar graph mode is available for live measurements and for viewing the samples in a raw logfile to get a first impression of each sample before diving into the details.
>     b)  Additional counters per thread showing the number of voluntary and involuntary context switches (key 's').
>     c)  Improved handling of process accounting.
>     d)  Various bugfixes and minor improvements.
>
> •   Modifications for atopacctd:
>
>     a)  Various bugfixes (to avoid loss of synchronization and race conditions).
>
> •   General:
>
>     a)  The format of the raw file is compatible with version 2.8.
>
> •   Note:
>
>     a)  Script mkdate added to tarball since June 26, 2023.