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Timer.php
111 lines
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Matomo - free/libre analytics platform |
| 5 | * |
| 6 | * @link https://matomo.org |
| 7 | * @license https://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later |
| 8 | */ |
| 9 | namespace Piwik; |
| 10 | |
| 11 | use Piwik\Metrics\Formatter; |
| 12 | class Timer |
| 13 | { |
| 14 | private $timerStart; |
| 15 | private $memoryStart; |
| 16 | private $formatter; |
| 17 | private $timerEnd; |
| 18 | public function __construct() |
| 19 | { |
| 20 | $this->formatter = new Formatter(); |
| 21 | $this->init(); |
| 22 | } |
| 23 | /** |
| 24 | * @return void |
| 25 | */ |
| 26 | public function init() |
| 27 | { |
| 28 | $this->timerStart = $this->getMicrotime(); |
| 29 | $this->memoryStart = $this->getMemoryUsage(); |
| 30 | } |
| 31 | public function finish() |
| 32 | { |
| 33 | $this->timerEnd = $this->getMicrotime(); |
| 34 | } |
| 35 | /** |
| 36 | * @param int $decimals |
| 37 | * @return string |
| 38 | */ |
| 39 | public function getTime($decimals = 3) |
| 40 | { |
| 41 | return number_format($this->getTimerEnd() - $this->timerStart, $decimals, '.', ''); |
| 42 | } |
| 43 | /** |
| 44 | * @param int $decimals |
| 45 | * @return string |
| 46 | */ |
| 47 | public function getTimeMs($decimals = 3) |
| 48 | { |
| 49 | return number_format(1000 * ($this->getTimerEnd() - $this->timerStart), $decimals, '.', ''); |
| 50 | } |
| 51 | /** |
| 52 | * @return string |
| 53 | */ |
| 54 | public function getMemoryLeak() |
| 55 | { |
| 56 | return "Memory delta: " . $this->getMemoryLeakValue(); |
| 57 | } |
| 58 | /** |
| 59 | * @return string |
| 60 | */ |
| 61 | public function getMemoryLeakValue() |
| 62 | { |
| 63 | return $this->formatter->getPrettySizeFromBytes($this->getMemoryUsage() - $this->memoryStart); |
| 64 | } |
| 65 | /** |
| 66 | * @return string |
| 67 | */ |
| 68 | public function getPeakMemoryValue() |
| 69 | { |
| 70 | return $this->formatter->getPrettySizeFromBytes($this->getPeakMemoryUsage()); |
| 71 | } |
| 72 | /** |
| 73 | * @return string |
| 74 | */ |
| 75 | public function __toString() |
| 76 | { |
| 77 | return "Time elapsed: " . $this->getTime() . "s"; |
| 78 | } |
| 79 | private function getTimerEnd() |
| 80 | { |
| 81 | return $this->timerEnd ?: $this->getMicrotime(); |
| 82 | } |
| 83 | /** |
| 84 | * @return float |
| 85 | */ |
| 86 | private function getMicrotime() |
| 87 | { |
| 88 | list($micro_seconds, $seconds) = explode(" ", microtime()); |
| 89 | return (float) $micro_seconds + (float) $seconds; |
| 90 | } |
| 91 | /** |
| 92 | * Returns current memory usage, if available |
| 93 | * |
| 94 | * @return int |
| 95 | */ |
| 96 | private function getMemoryUsage() |
| 97 | { |
| 98 | if (function_exists('memory_get_usage')) { |
| 99 | return memory_get_usage(); |
| 100 | } |
| 101 | return 0; |
| 102 | } |
| 103 | public function getPeakMemoryUsage() |
| 104 | { |
| 105 | if (function_exists('memory_get_peak_usage')) { |
| 106 | return memory_get_peak_usage(); |
| 107 | } |
| 108 | return 0; |
| 109 | } |
| 110 | } |
| 111 |