atop may hang on start about atop HOT 3 CLOSED

I expect to release a new version in april/may 2023.

from atop.

The counttask() function calculates a worst case value for the number of tasks.
It takes the total number of threads plus the number of processes. Only for multi-threaded processes, an entry is needed for each thread. For single-threaded processes the thread entry is not used although it has been reserved in memory.
In my system 376 processes are available with 571 threads in total, so 947 entries are reserved while only 781 are used (apparently 166 processes are single-threaded). In other words: the theoretical maximum that is calculated by counttask() will only be reached when all processes are multithreaded.

Obviously calculations will fail when the kernel delivers wrong values, like the 4 threads in the /proc/loadavg file. To minimise the chance of a loop in atop a consistency check has been added.

from atop.

When can we expect this changes to be released and available at https://atoptool.nl/downloadatop.php

from atop.