Invalid memory consumption shown when using parallel processing and verbose mode

[janedbal]

Bug report

While running phpstan with parallel processing enabled with verbose mode, it shows invalid memory consumption.

Latest version used (0.12.81), 8 logical cores on my laptop.

Code snippet that reproduces the problem

phpstan analyse -vvv src 
Note: Using configuration file /app/phpstan.neon.dist.
Result cache not used because the cache file does not exist.
 5946/5946 [▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓] 100% 2 mins/2 mins 154.5 MiB

Result cache is saved.

 [OK] No errors 

Used memory: 306.39 MB

Expected output

By checking the system memory, it really used about 6 GB. So I'd expect that number to be displayed.

[ondrejmirtes]

The child processes would have to communicate that back to the master process before terminating. As this is extra work I consider this a feature request. Thanks.

[janedbal]

Any plans doing this one? I think it would be great guard for RAM consumption since any developer/company using verbose mode in CI could easily detect major increases after upgrading to newer versions of PHPStan.

[github-actions]

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