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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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use Doctrine\DBAL\Connection; |
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use Doctrine\DBAL\DBALException; |
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use Psr\Log\LoggerInterface; |
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class LiveProfiler |
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{ |
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CONST MODE_DB = 'db'; |
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CONST MODE_FILES = 'files'; |
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/** @var LiveProfiler */ |
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protected static $instance; |
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/** @var string */ |
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protected $mode = self::MODE_DB; |
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/** @var string */ |
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protected $path = ''; |
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/** @var Connection */ |
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protected $Conn; |
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/** @var LoggerInterface */ |
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protected $Logger; |
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/** @var DataPackerInterface */ |
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protected $DataPacker; |
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/** @var string */ |
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protected $connection_string; |
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/** @var string */ |
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protected $app; |
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/** @var string */ |
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protected $label; |
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/** @var string */ |
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protected $datetime; |
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/** @var int */ |
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protected $divider = 1000; |
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/** @var int */ |
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protected $total_divider = 10000; |
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/** @var callable callback to start profiling */ |
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protected $start_callback; |
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/** @var callable callback to end profiling */ |
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protected $end_callback; |
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/** @var bool */ |
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protected $is_enabled = false; |
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/** @var array */ |
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protected $last_profile_data = []; |
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/** |
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* LiveProfiler constructor. |
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* @param string $connection_string_or_path |
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* @param string $mode |
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*/ |
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public function __construct($connection_string_or_path = '', $mode = self::MODE_DB) |
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{ |
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$this->mode = $mode; |
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$this->app = 'Default'; |
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$this->label = $this->getAutoLabel(); |
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$this->datetime = date('Y-m-d H:i:s'); |
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$this->detectProfiler(); |
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$this->Logger = new Logger(); |
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$this->DataPacker = new DataPacker(); |
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if ($mode === self::MODE_DB) { |
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$this->connection_string = $connection_string_or_path ?: getenv('LIVE_PROFILER_CONNECTION_URL'); |
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} else { |
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$this->setPath($connection_string_or_path ?: getenv('LIVE_PROFILER_PATH')); |
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} |
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} |
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public static function getInstance($connection_string = '', $mode = self::MODE_DB) |
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{ |
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if (self::$instance === null) { |
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self::$instance = new static($connection_string, $mode); |
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} |
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return self::$instance; |
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} |
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public function start() |
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{ |
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if ($this->is_enabled) { |
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return true; |
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} |
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if (null === $this->start_callback) { |
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return true; |
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} |
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if ($this->needToStart($this->divider)) { |
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$this->is_enabled = true; |
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} elseif ($this->needToStart($this->total_divider)) { |
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$this->is_enabled = true; |
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$this->label = 'All'; |
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} |
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if ($this->is_enabled) { |
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register_shutdown_function([$this, 'end']); |
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call_user_func($this->start_callback); |
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} |
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return true; |
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} |
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/** |
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* @return bool |
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*/ |
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public function end() |
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{ |
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if (!$this->is_enabled) { |
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return true; |
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} |
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$this->is_enabled = false; |
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if (null === $this->end_callback) { |
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return true; |
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} |
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$data = call_user_func($this->end_callback); |
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if (!is_array($data)) { |
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$this->Logger->warning('Invalid profiler data: ' . var_export($data, true)); |
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return false; |
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} |
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$this->last_profile_data = $data; |
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$result = $this->save($this->app, $this->label, $this->datetime, $data); |
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if (!$result) { |
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$this->Logger->warning('Can\'t insert profile data'); |
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} |
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return $result; |
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} |
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public function detectProfiler() |
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{ |
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if (function_exists('xhprof_enable')) { |
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return $this->useXhprof(); |
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} |
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if (function_exists('tideways_xhprof_enable')) { |
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return $this->useTidyWays(); |
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} |
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if (function_exists('uprofiler_enable')) { |
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return $this->useUprofiler(); |
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} |
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return false; |
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} |
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public function useXhprof() |
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{ |
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if ($this->is_enabled) { |
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$this->Logger->warning('can\'t change profiler after profiling started'); |
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return false; |
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} |
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$this->start_callback = function () { |
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xhprof_enable(XHPROF_FLAGS_MEMORY | XHPROF_FLAGS_CPU); |
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}; |
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$this->end_callback = function () { |
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return xhprof_disable(); |
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}; |
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return true; |
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} |
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public function useXhprofSample() |
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{ |
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if ($this->is_enabled) { |
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$this->Logger->warning('can\'t change profiler after profiling started'); |
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return false; |
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} |
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ini_set('xhprof.sampling_interval',100000); |
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ini_set('xhprof.sampling_depth',200); |
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$this->start_callback = function () { |
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define('XHPROF_SAMPLING_BEGIN', microtime(true)); |
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xhprof_sample_enable(); |
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}; |
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$this->end_callback = function () { |
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return $this->convertSampleDataToCommonFormat(xhprof_sample_disable()); |
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}; |
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return true; |
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} |
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protected function convertSampleDataToCommonFormat(array $sampling_data) |
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{ |
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$result_data = [ |
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'main()' => [ |
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'ct' => 1, |
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'wt' => 0, |
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] |
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]; |
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$prev_time = XHPROF_SAMPLING_BEGIN; |
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$prev_callstack = null; |
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foreach ($sampling_data as $time => $callstack) { |
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$wt = (int)(($time - $prev_time) * 1000000); |
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$functions = explode('==>', $callstack); |
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$prev_i = 0; |
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$func_cnt = count($functions); |
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for ($i = 1; $i < $func_cnt; $i++) { |
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$key = $functions[$prev_i] . '==>' . $functions[$i]; |
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if (!isset($result_data[$key])) { |
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$result_data[$key] = [ |
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'ct' => 0, |
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'wt' => 0, |
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]; |
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} |
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$result_data[$key]['wt'] += $wt; |
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if ($i === $func_cnt - 1) { |
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if ($callstack !== $prev_callstack) { |
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$result_data[$key]['ct']++; |
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} |
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$result_data['main()']['wt'] += $wt; |
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} |
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} |
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$prev_time = $time; |
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$prev_callstack = $callstack; |
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} |
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return $result_data; |
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} |
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public function useTidyWays() |
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{ |
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if ($this->is_enabled) { |
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$this->Logger->warning('can\'t change profiler after profiling started'); |
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return false; |
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} |
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$this->start_callback = function () { |
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tideways_xhprof_enable(TIDEWAYS_XHPROF_FLAGS_MEMORY | TIDEWAYS_XHPROF_FLAGS_CPU); |
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}; |
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$this->end_callback = function () { |
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return tideways_xhprof_disable(); |
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}; |
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return true; |
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} |
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public function useUprofiler() |
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{ |
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if ($this->is_enabled) { |
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$this->Logger->warning('can\'t change profiler after profiling started'); |
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return false; |
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} |
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$this->start_callback = function () { |
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uprofiler_enable(UPROFILER_FLAGS_CPU | UPROFILER_FLAGS_MEMORY); |
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}; |
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$this->end_callback = function () { |
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return uprofiler_disable(); |
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}; |
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return true; |
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} |
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/** |
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* @return bool |
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*/ |
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public function reset() |
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{ |
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if ($this->is_enabled) { |
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call_user_func($this->end_callback); |
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$this->is_enabled = false; |
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} |
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return true; |
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} |
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/** |
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* @param string $mode |
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* @return $this |
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*/ |
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public function setMode($mode) |
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{ |
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$this->mode = $mode; |
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return $this; |
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} |
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/** |
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* @return string |
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*/ |
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public function getMode() |
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{ |
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return $this->mode; |
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} |
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/** |
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* @param string $path |
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* @return $this |
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*/ |
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public function setPath($path) |
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{ |
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if (!is_dir($path)) { |
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$this->Logger->error('Directory ' . $path . ' does not exists'); |
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} |
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$this->path = $path; |
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return $this; |
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} |
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/** |
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* @return string |
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*/ |
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public function getPath() |
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{ |
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return $this->path; |
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} |
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/** |
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* @param string $app |
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* @return $this |
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*/ |
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public function setApp($app) |
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{ |
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$this->app = $app; |
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return $this; |
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} |
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/** |
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* @return string |
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*/ |
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public function getApp() |
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{ |
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return $this->app; |
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} |
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/** |
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* @param string $label |
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* @return $this |
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*/ |
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public function setLabel($label) |
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{ |
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$this->label = $label; |
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return $this; |
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} |
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/** |
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* @return string |
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*/ |
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public function getLabel() |
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{ |
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return $this->label; |
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} |
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/** |
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* @param string $datetime |
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* @return $this |
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*/ |
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public function setDateTime($datetime) |
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{ |
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$this->datetime = $datetime; |
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return $this; |
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} |
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/** |
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* @return string |
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*/ |
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public function getDateTime() |
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{ |
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return $this->datetime; |
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} |
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/** |
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* @param int $divider |
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* @return $this |
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*/ |
385
|
5 |
|
public function setDivider($divider) |
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{ |
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5 |
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$this->divider = $divider; |
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return $this; |
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} |
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/** |
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* @param int $total_divider |
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* @return $this |
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*/ |
395
|
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public function setTotalDivider($total_divider) |
396
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{ |
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$this->total_divider = $total_divider; |
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|
2 |
|
return $this; |
399
|
|
|
} |
400
|
|
|
|
401
|
|
|
/** |
402
|
|
|
* @param \Closure $start_callback |
403
|
|
|
* @return $this |
404
|
|
|
*/ |
405
|
5 |
|
public function setStartCallback(\Closure $start_callback) |
406
|
|
|
{ |
407
|
5 |
|
$this->start_callback = $start_callback; |
408
|
5 |
|
return $this; |
409
|
|
|
} |
410
|
|
|
|
411
|
|
|
/** |
412
|
|
|
* @param \Closure $end_callback |
413
|
|
|
* @return $this |
414
|
|
|
*/ |
415
|
5 |
|
public function setEndCallback(\Closure $end_callback) |
416
|
|
|
{ |
417
|
5 |
|
$this->end_callback = $end_callback; |
418
|
5 |
|
return $this; |
419
|
|
|
} |
420
|
|
|
|
421
|
|
|
/** |
422
|
|
|
* @param LoggerInterface $Logger |
423
|
|
|
* @return $this |
424
|
|
|
*/ |
425
|
9 |
|
public function setLogger(LoggerInterface $Logger) |
426
|
|
|
{ |
427
|
9 |
|
$this->Logger = $Logger; |
428
|
9 |
|
return $this; |
429
|
|
|
} |
430
|
|
|
|
431
|
|
|
/** |
432
|
|
|
* @param DataPackerInterface $DataPacker |
433
|
|
|
* @return $this |
434
|
|
|
*/ |
435
|
2 |
|
public function setDataPacker($DataPacker) |
436
|
|
|
{ |
437
|
2 |
|
$this->DataPacker = $DataPacker; |
438
|
2 |
|
return $this; |
439
|
|
|
} |
440
|
|
|
|
441
|
|
|
/** |
442
|
|
|
* @return array |
443
|
|
|
*/ |
444
|
1 |
|
public function getLastProfileData() |
445
|
|
|
{ |
446
|
1 |
|
return $this->last_profile_data; |
447
|
|
|
} |
448
|
|
|
|
449
|
|
|
/** |
450
|
|
|
* @return Connection |
451
|
|
|
* @throws DBALException |
452
|
|
|
*/ |
453
|
3 |
|
protected function getConnection() |
454
|
|
|
{ |
455
|
3 |
|
if (null === $this->Conn) { |
456
|
3 |
|
$config = new \Doctrine\DBAL\Configuration(); |
457
|
3 |
|
$connectionParams = ['url' => $this->connection_string]; |
458
|
3 |
|
$this->Conn = \Doctrine\DBAL\DriverManager::getConnection($connectionParams, $config); |
459
|
|
|
} |
460
|
|
|
|
461
|
3 |
|
return $this->Conn; |
462
|
|
|
} |
463
|
|
|
|
464
|
|
|
/** |
465
|
|
|
* @param Connection $Conn |
466
|
|
|
* @return $this |
467
|
|
|
*/ |
468
|
1 |
|
public function setConnection(Connection $Conn) |
469
|
|
|
{ |
470
|
1 |
|
$this->Conn = $Conn; |
471
|
1 |
|
return $this; |
472
|
|
|
} |
473
|
|
|
|
474
|
|
|
/** |
475
|
|
|
* @param string $connection_string |
476
|
|
|
* @return $this |
477
|
|
|
*/ |
478
|
1 |
|
public function setConnectionString($connection_string) |
479
|
|
|
{ |
480
|
1 |
|
$this->connection_string = $connection_string; |
481
|
1 |
|
return $this; |
482
|
|
|
} |
483
|
|
|
|
484
|
|
|
/** |
485
|
|
|
* @param string $app |
486
|
|
|
* @param string $label |
487
|
|
|
* @param string $datetime |
488
|
|
|
* @param array $data |
489
|
|
|
* @return bool |
490
|
|
|
*/ |
491
|
1 |
|
protected function save($app, $label, $datetime, $data) |
492
|
|
|
{ |
493
|
1 |
|
if ($this->mode === self::MODE_DB) { |
494
|
1 |
|
return $this->saveToDB($app, $label, $datetime, $data); |
495
|
|
|
} |
496
|
|
|
|
497
|
|
|
return $this->saveToFile($app, $label, $datetime, $data); |
498
|
|
|
} |
499
|
|
|
|
500
|
|
|
/** |
501
|
|
|
* @param string $app |
502
|
|
|
* @param string $label |
503
|
|
|
* @param string $datetime |
504
|
|
|
* @param array $data |
505
|
|
|
* @return bool |
506
|
|
|
*/ |
507
|
1 |
|
protected function saveToDB($app, $label, $datetime, $data) |
508
|
|
|
{ |
509
|
1 |
|
$packed_data = $this->DataPacker->pack($data); |
510
|
|
|
|
511
|
|
|
try { |
512
|
1 |
|
return (bool)$this->getConnection()->insert( |
513
|
1 |
|
'details', |
514
|
|
|
[ |
515
|
1 |
|
'app' => $app, |
516
|
1 |
|
'label' => $label, |
517
|
1 |
|
'perfdata' => $packed_data, |
518
|
1 |
|
'timestamp' => $datetime |
519
|
|
|
] |
520
|
|
|
); |
521
|
|
|
} catch (DBALException $Ex) { |
522
|
|
|
$this->Logger->error('Error in insertion profile data: ' . $Ex->getMessage()); |
523
|
|
|
return false; |
524
|
|
|
} |
525
|
|
|
} |
526
|
|
|
|
527
|
|
|
/** |
528
|
|
|
* @param string $app |
529
|
|
|
* @param string $label |
530
|
|
|
* @param string $datetime |
531
|
|
|
* @param array $data |
532
|
|
|
* @return bool |
533
|
|
|
*/ |
534
|
1 |
|
private function saveToFile($app, $label, $datetime, $data) |
535
|
|
|
{ |
536
|
1 |
|
$path = sprintf('%s/%s/%s', $this->path, $app, base64_encode($label)); |
537
|
|
|
|
538
|
1 |
|
if (!is_dir($path) && !mkdir($path, 0755, true) && !is_dir($path)) { |
539
|
|
|
$this->Logger->error('Directory "'. $path .'" was not created'); |
540
|
|
|
return false; |
541
|
|
|
} |
542
|
|
|
|
543
|
1 |
|
$filename = sprintf('%s/%s.json', $path, strtotime($datetime)); |
544
|
1 |
|
$packed_data = $this->DataPacker->pack($data); |
545
|
1 |
|
return (bool)file_put_contents($filename, $packed_data); |
546
|
|
|
} |
547
|
|
|
|
548
|
|
|
/** |
549
|
|
|
* @throws DBALException |
550
|
|
|
*/ |
551
|
3 |
|
public function createTable() |
552
|
|
|
{ |
553
|
3 |
|
$driver_name = $this->getConnection()->getDriver()->getName(); |
554
|
3 |
|
$sql_path = __DIR__ . '/../../../bin/install_data/' . $driver_name . '/source.sql'; |
555
|
3 |
|
if (!file_exists($sql_path)) { |
556
|
1 |
|
$this->Logger->error('Invalid sql path:' . $sql_path); |
557
|
1 |
|
return false; |
558
|
|
|
} |
559
|
|
|
|
560
|
2 |
|
$sql = file_get_contents($sql_path); |
561
|
|
|
|
562
|
2 |
|
$this->getConnection()->exec($sql); |
563
|
2 |
|
return true; |
564
|
|
|
} |
565
|
|
|
|
566
|
|
|
/** |
567
|
|
|
* @return string |
568
|
|
|
*/ |
569
|
16 |
|
protected function getAutoLabel() |
570
|
|
|
{ |
571
|
16 |
|
if (!empty($_SERVER['REQUEST_URI'])) { |
572
|
15 |
|
$label = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH); |
573
|
15 |
|
return $label ?: $_SERVER['REQUEST_URI']; |
574
|
|
|
} |
575
|
|
|
|
576
|
1 |
|
return $_SERVER['SCRIPT_NAME']; |
577
|
|
|
} |
578
|
|
|
|
579
|
|
|
/** |
580
|
|
|
* @param int $divider |
581
|
|
|
* @return bool |
582
|
|
|
*/ |
583
|
5 |
|
protected function needToStart($divider) |
584
|
|
|
{ |
585
|
5 |
|
return mt_rand(1, $divider) === 1; |
586
|
|
|
} |
587
|
|
|
} |
588
|
|
|
|