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<?php |
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namespace GeminiLabs\BlackBar\Modules; |
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class Profiler extends Module |
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{ |
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/** |
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* @var int |
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*/ |
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protected $memory_start = 0; |
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/** |
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* @var int |
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*/ |
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protected $memory_stop = 0; |
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/** |
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* The profiler noise to remove from the timer (in nanoseconds). |
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* @var int |
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*/ |
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protected $noise = 0; |
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/** |
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* The hrtime the profiler started measuring (in nanoseconds). |
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* @var int |
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*/ |
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protected $start = 0; |
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/** |
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* The hrtime the profiler stopped measuring (in nanoseconds). |
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* @var int |
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*/ |
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protected $stop = 0; |
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/** |
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* @var array |
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*/ |
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protected $timer = []; |
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public function entries(): array |
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{ |
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$entries = []; |
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foreach ($this->entries as $entry) { |
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$entry['time'] = $this->formatTime($entry['time']); |
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$entries[] = $entry; |
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} |
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return $entries; |
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} |
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public function isVisible(): bool |
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{ |
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return $this->hasEntries(); |
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} |
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public function label(): string |
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{ |
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return __('Profiler', 'blackbar'); |
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} |
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public function setNoise(int $nanoseconds): void |
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{ |
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$this->noise = $nanoseconds - $this->start; |
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} |
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public function setStart(int $nanoseconds): void |
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{ |
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$this->start = $nanoseconds; |
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$this->memory_start = memory_get_peak_usage(); |
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} |
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public function setStop(int $nanoseconds): void |
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{ |
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$this->stop = $nanoseconds; |
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$this->memory_stop = memory_get_peak_usage(); |
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} |
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public function start(string $name): void |
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{ |
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$this->timer = [ |
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'memory' => memory_get_peak_usage(), |
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'name' => $name, |
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'start' => (int) hrtime(true), |
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'stop' => 0, |
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'time' => 0, |
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]; |
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} |
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public function stop(): void |
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{ |
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if (!empty($this->timer)) { |
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$nanoseconds = (int) hrtime(true); |
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$this->timer['memory'] = max(0, memory_get_peak_usage() - $this->timer['memory']); |
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$this->timer['stop'] = $nanoseconds; |
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$this->timer['time'] = max(0, $nanoseconds - $this->timer['start'] - $this->noise); |
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$this->entries[] = $this->timer; |
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$this->timer = []; // reset timer |
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} |
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} |
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} |
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pryley /
blackbar
