Skip to content

[perf] Profile the real worker in hotspot profiler via --xdebug #8747

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
TomasVotruba merged 1 commit into from
Oct 20, 2026
Merged

[perf] Profile the real worker in hotspot profiler via --xdebug #8747

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 5 additions & 1 deletion scripts/rector-hotspot-profile.php
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -99,8 +99,12 @@ public function run(): void

private function profileRun(string $configPath, string $profileDirectory): string
{
// --xdebug is essential: without it Rector's XdebugHandler restarts the process without
// xdebug before the container boots, so the profile would only cover the thin pre-restart
// launcher. With it the restart is skipped and xdebug stays live for the real run, which
// --withoutParallel() (see buildConfig) keeps in this same process - no worker child.
$rectorCommand = sprintf(
'%s -d %s -d %s -d %s -d %s %s process --dry-run --no-progress-bar --output-format=json --config=%s',
'%s -d %s -d %s -d %s -d %s %s process --dry-run --no-progress-bar --xdebug --output-format=json --config=%s',
escapeshellarg(PHP_BINARY),
escapeshellarg('xdebug.mode=profile'),
escapeshellarg('xdebug.start_with_request=yes'),
Expand Down
Loading