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<?php |
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/** |
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* @maintainer Timur Shagiakhmetov <[email protected]> |
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*/ |
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namespace Badoo\LiveProfiler; |
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class SimpleProfiler |
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{ |
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/** |
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* @var self |
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*/ |
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private static $instance; |
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private $methods = []; |
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/** @var \SplStack */ |
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private $stack; |
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private $is_enabled = false; |
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public static function getInstance() |
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{ |
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if (self::$instance === null) { |
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self::$instance = new static(); |
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} |
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return self::$instance; |
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} |
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public function enable() |
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{ |
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$this->is_enabled= true; |
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$this->stack = new \SplStack(); |
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$this->startTimer('main()'); |
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} |
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public function disable() |
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{ |
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$this->endTimer('main()'); |
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if (!$this->stack->isEmpty()) { |
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return []; |
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} |
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$this->is_enabled = false; |
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return $this->methods; |
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} |
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public function startTimer($tag) |
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{ |
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if (!$this->is_enabled) { |
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return false; |
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} |
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$full_method = $this->getFullMethod($tag); |
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$this->stack->push($tag); |
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if (!isset($this->methods[$full_method])) { |
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$this->methods[$full_method] = [ |
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'wt' => 0, |
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'mu' => 0, |
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'ct' => 0, |
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]; |
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} |
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$time = (int)(microtime(true) * 1e6); |
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$memory = memory_get_usage(); |
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$this->methods[$full_method]['wt'] = $time - $this->methods[$full_method]['wt']; |
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$this->methods[$full_method]['mu'] = $memory - $this->methods[$full_method]['mu']; |
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return true; |
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} |
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public function endTimer($tag) |
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{ |
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if (!$this->is_enabled) { |
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return false; |
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} |
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if ($this->stack->isEmpty() || $this->stack->top() !== $tag) { |
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return false; |
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} |
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$tag = $this->stack->pop(); |
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$full_method = $this->getFullMethod($tag); |
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$time = (int)(microtime(true) * 1e6); |
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$memory = memory_get_usage(); |
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$this->methods[$full_method]['ct']++; |
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$this->methods[$full_method]['wt'] = $time - $this->methods[$full_method]['wt']; |
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$this->methods[$full_method]['mu'] = $memory - $this->methods[$full_method]['mu']; |
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return true; |
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} |
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private function getFullMethod($tag) |
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{ |
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if ($this->stack->isEmpty()) { |
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return $tag; |
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} |
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return $this->stack->top() . '==>' . $tag; |
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} |
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} |
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badoo /
liveprof
