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Integrate FidryCpuCoreCounter #8833

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merged 4 commits into from Dec 10, 2022
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1 change: 1 addition & 0 deletions composer.json
Expand Up @@ -30,6 +30,7 @@
"dnoegel/php-xdg-base-dir": "^0.1.1",
"felixfbecker/advanced-json-rpc": "^3.1",
"felixfbecker/language-server-protocol": "^1.5.2",
"fidry/cpu-core-counter": "^0.3.0",
"netresearch/jsonmapper": "^1.0 || ^2.0 || ^3.0 || ^4.0",
"nikic/php-parser": "^4.13",
"openlss/lib-array2xml": "^1.0",
Expand Down
61 changes: 8 additions & 53 deletions src/Psalm/Internal/Analyzer/ProjectAnalyzer.php
Expand Up @@ -3,8 +3,9 @@
namespace Psalm\Internal\Analyzer;

use Amp\Loop;
use Fidry\CpuCoreCounter\CpuCoreCounter;
use Fidry\CpuCoreCounter\NumberOfCpuCoreNotFound;
use InvalidArgumentException;
use LogicException;
use Psalm\Codebase;
use Psalm\Config;
use Psalm\Context;
Expand Down Expand Up @@ -53,7 +54,6 @@
use Psalm\Report\ReportOptions;
use Psalm\Type;
use ReflectionProperty;
use RuntimeException;
use UnexpectedValueException;

use function array_combine;
Expand All @@ -73,25 +73,18 @@
use function explode;
use function extension_loaded;
use function file_exists;
use function file_get_contents;
use function filter_var;
use function function_exists;
use function fwrite;
use function implode;
use function in_array;
use function ini_get;
use function is_dir;
use function is_file;
use function is_int;
use function is_readable;
use function is_string;
use function microtime;
use function mkdir;
use function number_format;
use function pcntl_fork;
use function preg_match;
use function rename;
use function shell_exec;
use function stream_set_blocking;
use function stream_socket_accept;
use function stream_socket_client;
Expand All @@ -100,12 +93,9 @@
use function strpos;
use function strtolower;
use function substr;
use function substr_count;
use function trim;
use function usort;
use function version_compare;

use const FILTER_VALIDATE_INT;
use const PHP_EOL;
use const PHP_OS;
use const PHP_VERSION;
Expand Down Expand Up @@ -1468,23 +1458,16 @@ public function getFunctionLikeAnalyzer(
* Adapted from https://gist.github.com/divinity76/01ef9ca99c111565a72d3a8a6e42f7fb
* returns number of cpu cores
* Copyleft 2018, license: WTFPL
* @throws RuntimeException
* @throws LogicException
* @psalm-suppress ForbiddenCode
* @throws NumberOfCpuCoreNotFound
*/
public static function getCpuCount(): int
{
if (defined('PHP_WINDOWS_VERSION_MAJOR')) {
/*
$str = trim((string) shell_exec('wmic cpu get NumberOfCores 2>&1'));
if (!preg_match('/(\d+)/', $str, $matches)) {
throw new RuntimeException('wmic failed to get number of cpu cores on windows!');
}
return ((int) $matches [1]);
*/
// No support desired for Windows at the moment
return 1;
}

// PHP 7.3 with JIT on OSX is screwed for multi-threads
if (ini_get('pcre.jit') === '1'
&& PHP_OS === 'Darwin'
&& version_compare(PHP_VERSION, '7.3.0') >= 0
Expand All @@ -1493,40 +1476,12 @@ public static function getCpuCount(): int
return 1;
}

if (!extension_loaded('pcntl') || !function_exists('shell_exec')) {
if (!extension_loaded('pcntl')) {
// Psalm requires pcntl for multi-threads support
return 1;
}

$has_nproc = trim((string) @shell_exec('command -v nproc'));
if ($has_nproc) {
$ret = @shell_exec('nproc');
if (is_string($ret)) {
$ret = trim($ret);
$tmp = filter_var($ret, FILTER_VALIDATE_INT);
if (is_int($tmp)) {
return $tmp;
}
}
}

$ret = @shell_exec('sysctl -n hw.ncpu');
if (is_string($ret)) {
$ret = trim($ret);
$tmp = filter_var($ret, FILTER_VALIDATE_INT);
if (is_int($tmp)) {
return $tmp;
}
}

if (is_readable('/proc/cpuinfo')) {
$cpuinfo = file_get_contents('/proc/cpuinfo');
$count = substr_count($cpuinfo, 'processor');
if ($count > 0) {
return $count;
}
}

throw new LogicException('failed to detect number of CPUs!');
return (new CpuCoreCounter())->getCount();
}

/**
Expand Down