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Show combined memory usage in parallel mode #2027

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merged 6 commits into from Jan 3, 2023

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janedbal
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@janedbal janedbal commented Nov 23, 2022

Closes phpstan/phpstan#4683

Looks like this:

$ php bin/phpstan clear-result-cache -q && php bin/phpstan -v
Note: Using configuration file /usr/src/myapp/phpstan.neon.
 1486/1486 [▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓] 100% 56 secs/56 secs

 [OK] No errors                                                                 

Took about 1.35 GB memory

src/Command/ErrorsConsoleStyle.php Outdated Show resolved Hide resolved
@@ -221,6 +227,7 @@ public function analyse(
$internalErrorsCount === 0 ? $dependencies : null,
$exportedNodes,
$reachedInternalErrorsCountLimit,
(int) array_sum($peakMemoryUsages), // not 100% correct as the peak usages of workers might not have met
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I dont think there is a better option. Still imo much better than before. It seems working well when comparing with system memory used.

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Tested against linux ps and it gives very good results, almost equal.

}, $handleError, function ($exitCode, string $output) use (&$internalErrors, &$internalErrorsCount, $processIdentifier): void {
}, $handleError, function ($exitCode, string $output) use (&$someChildEnded, &$peakMemoryUsages, &$internalErrors, &$internalErrorsCount, $processIdentifier): void {
if ($someChildEnded === false) {
$peakMemoryUsages['main'] = memory_get_usage(true);
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This is the point of time where phpstan consumes most memory (I believe in >99% cases), so I add main thread memory at that specific time.

@ondrejmirtes ondrejmirtes merged commit 2556918 into phpstan:1.9.x Jan 3, 2023
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Thank you!

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