Florian Engelhardt

migrate profiling tests to github actions

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### Description ### Reviewer checklist - [ ] Test coverage seems ok. - [ ] Appropriate labels assigned.

This PR fixes the usage of self referencing closures: ```php $fibonacci = function ($n) use (&$fibonacci) { if ($n == 0) { return 0; } if ($n == 1) {...

highlight anchors

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This will highlight the ElePHPant reference by the anchor tag added in #212 with a 2px solid black border: I have no idea how to create the minified CSS version,...

feat(prof): move allocation profiler stack collection to safe point

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> [!CAUTION] > This is a PoC to move allocation stack trace collection to a vm interrupt, **DO NOT MERGE** and do not judge me on the code 😜 >...

fix(prof): fewer borrows, less panics on borrows

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### Description We found a `panic_already_borrowed` in our RelEnv with I/O profiling. The following is happening: - the profiler takes a sample - during this, a signal arrives (PHP timed...

feat(prof): detect parallel threads

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### Description This PR adds code to detect and label threads that have been created [by `ext-parallel`](https://github.com/krakjoe/parallel). It is actually 80% comments and just a few lines of code 😉...

feat(ci) add prune job for stale issues and PRs

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### Description This PR adds the https://github.com/actions/stale action to CI to prune issues and PRs that have not seen activity in the recent time. ### Reviewer checklist - [ ]...

feat(prof): Add running PHP language tests for profiler

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### Description In the light of #3360 it came to my attention that we are not running the PHP language tests for the profiler. ### Reviewer checklist - [ ]...

Document worker mode for extensions

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This PR adds some documentation for extension developers regarding the specifics of supporting FrankenPHP worker mode. While observing idle phases we stumbled over this and fixed our invalid handling in...