Infection profiling with Blackfire SDK

profile.php

<?php

declare(strict_types=1);

use Blackfire\Client;
use Blackfire\Profile\Configuration;
use Symfony\Component\Console\Input\ArgvInput;
use Symfony\Component\Console\Output\ConsoleOutput;
use Symfony\Component\Console\Style\SymfonyStyle;
use function Safe\sprintf;

require_once __DIR__.'/../../../vendor/autoload.php';

$input = new ArgvInput();
$output = new ConsoleOutput();
$io = new SymfonyStyle($input, $output);

$blackfire = new Client();

$samples = 1;

$config = new Configuration();
$config->setMetadata('profile', 'Tracing');
$config->setMetadata('skip_timeline', 'false');
$config->setSamples($samples);

$probe = $blackfire->createProbe($config, false);

$io->section('Tracing profiling');

$io->progressStart($samples);

for ($i = 1; $i <= $samples; $i++) {
    // Enable instrumentation
    $probe->enable();

    echo 'hello';

    // Finish the profile so that another one will be taken on the next loop iteration
    $probe->close();

    $io->progressAdvance();
}

$io->progressFinish();

$profile = $blackfire->endProbe($probe);

$io->success('Done');