PHP microtime_ms函数代码示例

	function smarty_timings(){

		$GLOBALS['timings']['smarty_timings_out'] = microtime_ms();

		echo "<table class=\"debugtimings\" border=\"1\" align=\"center\">\n";
		echo "<tr>\n";
		echo "<th>Item</th>";
		echo "<th>Count</th>";
		echo "<th>Time</th>";
		echo "</tr>\n";

		# we add this one last so it goes at the bottom of the list
		$GLOBALS['timing_keys']['smarty_comp'] = 'Templates Compiled';

		foreach ($GLOBALS['timing_keys'] as $k => $v){
			$c = intval($GLOBALS['timings']["{$k}_count"]);
			$t = intval($GLOBALS['timings']["{$k}_time"]);
			echo "<tr><td>$v</td><td>$c</td><td>$t ms</td></tr>\n";
		}

		$map2 = array(
			array("Startup &amp; Libraries", $GLOBALS['timings']['init_end'] - $GLOBALS['timings']['execution_start']),
			array("Page Execution", $GLOBALS['timings']['smarty_start_output'] - $GLOBALS['timings']['init_end']),
			array("Smarty Output", $GLOBALS['timings']['smarty_timings_out'] - $GLOBALS['timings']['smarty_start_output']),
			array("<b>Total</b>", $GLOBALS['timings']['smarty_timings_out'] - $GLOBALS['timings']['execution_start']),
		);

		foreach ($map2 as $a){
			echo "<tr><td colspan=\"2\">$a[0]</td><td>$a[1] ms</td></tr>\n";
		}

		echo "</table>";
	}

function loadlib($name)
{
    if ($GLOBALS['loaded_libs'][$name]) {
        return;
    }
    $GLOBALS['loaded_libs'][$name] = 1;
    $start = microtime_ms();
    $fq_name = _loadlib_enpathify("lib_{$name}.php");
    include $fq_name;
    $end = microtime_ms();
    $time = $end - $start;
    $GLOBALS['timings']['loadlib_count'] += 1;
    $GLOBALS['timings']['loadlib_time'] += $time;
    # $GLOBALS['timing_keys']["loadlib_{$name}"] = "lib_{$name}";
    # $GLOBALS['timings']["loadlib_{$name}_count"] = 1;
    # $GLOBALS['timings']["loadlib_{$name}_time"] = $time;
}

function xstart()
{
    $Directory = "/home/artica-postfix/squid/StatsApplicance/BEREKLEY";
    if (!is_dir($Directory)) {
        return;
    }
    if (!($handle = opendir($Directory))) {
        return;
    }
    while (false !== ($fileZ = readdir($handle))) {
        if ($fileZ == ".") {
            continue;
        }
        if ($fileZ == "..") {
            continue;
        }
        $path = "{$Directory}/{$fileZ}";
        $lockfile = "{$Directory}/{$fileZ}.LCK";
        events("parse_stats(): Scanning {$path}");
        $t1 = microtime_float();
        if (preg_match("#^(.+?)-UserAuthDB\\.db#", $fileZ, $re)) {
            if (is_file($lockfile)) {
                continue;
            }
            @file_put_contents($lockfile, time());
            parse_userauthdb($path, $re[1], true);
            events("{$fileZ} " . microtime_ms($t1));
            @unlink($path);
            @unlink($lockfile);
            continue;
        }
        if (preg_match("#^(.+?)-[0-9]+_QUOTASIZE\\.db#", $fileZ, $re)) {
            if (is_file($lockfile)) {
                continue;
            }
            @file_put_contents($lockfile, time());
            ParseDB_FILE($path, $re[1], true);
            events("{$fileZ} " . microtime_ms($t1));
            @unlink($lockfile);
            @unlink($path);
            continue;
        }
    }
}

function smarty_timings()
{
    $GLOBALS['timings']['smarty_timings_out'] = microtime_ms();
    echo "<div class=\"admin-timings-wrapper\">\n";
    echo "<table class=\"admin-timings\">\n";
    # we add this one last so it goes at the bottom of the list
    $GLOBALS['timing_keys']['smarty_comp'] = 'Templates Compiled';
    foreach ($GLOBALS['timing_keys'] as $k => $v) {
        $c = intval($GLOBALS['timings']["{$k}_count"]);
        $t = intval($GLOBALS['timings']["{$k}_time"]);
        echo "<tr><td>{$v}</td><td class=\"tar\">{$c}</td><td class=\"tar\">{$t} ms</td></tr>\n";
    }
    $map2 = array(array("Startup &amp; Libraries", $GLOBALS['timings']['init_end'] - $GLOBALS['timings']['execution_start']), array("Page Execution", $GLOBALS['timings']['smarty_start_output'] - $GLOBALS['timings']['init_end']), array("Smarty Output", $GLOBALS['timings']['smarty_timings_out'] - $GLOBALS['timings']['smarty_start_output']), array("<b>Total</b>", $GLOBALS['timings']['smarty_timings_out'] - $GLOBALS['timings']['execution_start']));
    foreach ($map2 as $a) {
        echo "<tr><td colspan=\"2\">{$a['0']}</td><td class=\"tar\">{$a['1']} ms</td></tr>\n";
    }
    echo "</table>\n";
    echo "</div>\n";
}

function cache_memcache_connect()
{
    #
    # existing connection?
    #
    if ($GLOBALS['_cache_memcache_conn']) {
        return $GLOBALS['_cache_memcache_conn'];
    }
    #
    # set up a new one
    #
    $start = microtime_ms();
    $memcache = new Memcache();
    if (!$memcache) {
        log_error("Failed to create Memcache object");
        return null;
    }
    foreach ($GLOBALS['cfg']['memcache_pool'] as $bucket) {
        @$memcache->addServer($bucket['host'], $bucket['port']);
    }
    $stats = $memcache->getExtendedStats();
    foreach ($GLOBALS['cfg']['memcache_pool'] as $bucket) {
        $key = implode(":", array_values($bucket));
        if (!isset($stats[$key])) {
            log_error("Failed to connect to {$key}");
            return null;
        }
        if (!$stats[$key]['accepting_conns']) {
            log_error("{$key} is not accepting connections");
            return null;
        }
    }
    $end = microtime_ms();
    $time = $end - $start;
    log_notice("cache", "connect to memcache {$host}:{$port} ({$time}ms)");
    $GLOBALS['timings']['memcache_conns_count']++;
    $GLOBALS['timings']['memcache_conns_time'] += $time;
    $GLOBALS['_cache_memcache_conn'] = $memcache;
    return $memcache;
}

function cache_memcache_connect()
{
    if (!isset($GLOBALS['remote_cache_conns']['memcache'])) {
        $host = $GLOBALS['cfg']['memcache_host'];
        $port = $GLOBALS['cfg']['memcache_port'];
        $start = microtime_ms();
        $memcache = new Memcache();
        if (!$memcache->connect($host, $port)) {
            $memcache = null;
        }
        if (!$memcache) {
            log_fatal("Connection to memcache {$host}:{$port} failed");
        }
        $end = microtime_ms();
        $time = $end - $start;
        log_notice("cache", "connect to memcache {$host}:{$port} ({$time}ms)");
        $GLOBALS['remote_cache_conns']['memcache'] = $memcache;
        $GLOBALS['timings']['memcache_conns_count']++;
        $GLOBALS['timings']['memcache_conns_time'] += $time;
    }
    return $GLOBALS['remote_cache_conns']['memcache'];
}

 function evaluate()
 {
     $isWin = strpos(PHP_OS, 'WIN') === 0;
     $start = 0;
     $end = 0;
     $time = 0;
     $returnString = '';
     //=== read flags ===//
     //--- band width check ---//
     if ($this->typeFlags->getFlagByName('bandWidth')) {
         if (file_exists($this->sourcePath)) {
             unlink($this->sourcePath);
         }
         $start = microtime_ms();
         //... execute bandwidth sensor ...//
         if (empty($this->targetPath)) {
             trigger_error('Target path is empty.', E_USER_WARNING);
             $time = -1;
         } else {
             if (empty($this->sourcePath)) {
                 trigger_error('Source path is empty.', E_USER_WARNING);
                 $time = -1;
             } else {
                 copy($this->targetPath, $this->sourcePath);
                 //Attention: "target" will be copied to "source"!
             }
         }
         //...............//
         $end = microtime_ms();
         if (file_exists($this->sourcePath)) {
             unlink($this->sourcePath);
         }
         $time += $end - $start;
     }
     //--- database server check ---//
     if ($this->typeFlags->getFlagByName('sql')) {
         if ($this->typeFlags->getFlagByName('sensorPage') || $this->sourcePath) {
             //... use extern sensor ...//
             if ($returnTime > 0) {
                 $time += $returnTime;
             } else {
                 if ($time > 0) {
                     $time *= -1;
                 } else {
                     $time = -1;
                 }
             }
             //...............//
         } else {
             $start = microtime_ms();
             //... execute SQL sensor...//
             $connection = mysql_connect($this->targetPath, $this->username, $this->password);
             if ($this->subpath) {
                 $success = mysql_select_db($this->subpath);
                 $query = 'SHOW TABLES FROM `' . $this->subpath . '`';
             } else {
                 $query = 'SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES';
             }
             $success = mysql_query($query);
             //...............//
             $end = microtime_ms();
             if ($time < 0) {
                 $success = false;
             }
             $time = abs($time) + $end - $start;
             if (!$success) {
                 $time *= -1;
             }
         }
     } else {
         if ($this->typeFlags->getFlagByName('sensorPage')) {
             if (!$this->sourcePath && !$this->targetPath) {
                 $start = microtime_ms();
                 //... execute PHP-sensor ...//
                 for ($i = 0; $i < 10000; $i++) {
                     //slow down
                     $magic = 1;
                     for ($j = 0; $j <= 5; $j++) {
                         $magic *= pow($j, $j);
                         if ($j === 3) {
                             $note = "A Mala has {$magic} beads.";
                         }
                     }
                     $magic -= 24 * 60 * 60 * 1000;
                     if ($end - $start > $timeout) {
                         $timeouted = true;
                         break;
                     }
                 }
                 //...............//
                 $end = microtime_ms();
                 $time += $end - $start;
             } else {
                 //... use extern sensor ...//
                 $returnTime = $this->evaluateExtern();
                 if ($returnTime > 0) {
                     $time += $returnTime;
                 } else {
                     if ($time > 0) {
                         $time *= -1;
//.........这里部分代码省略.........

	function _db_fetch($sql, $cluster, $k=null){

		$ret = _db_query($sql, $cluster, $k);

		if (!$ret['ok']) return $ret;

		$out = $ret;
		$out['ok'] = 1;
		$out['rows'] = array();
		unset($out['result']);

		$start = microtime_ms();
		$count = 0;
		while ($row = mysql_fetch_array($ret['result'], MYSQL_ASSOC)){
			$out['rows'][] = $row;
			$count++;
		}
		$end = microtime_ms();
		$GLOBALS['timings']['db_rows_count'] += $count;
		$GLOBALS['timings']['db_rows_time'] += $end-$start;

		return $out;
	}

<?php

#################################################################
# HEY LOOK! RUNNING CODE!!!
$start = microtime_ms();
loadlib("api_config");
api_config_init();
$end = microtime_ms();
$time = $end - $start;
$GLOBALS['timing_keys']["api_init"] = "API init";
$GLOBALS['timings']['api_init_count'] += 1;
$GLOBALS['timings']['api_init_time'] += $time;
#################################################################
loadlib("api_output");
loadlib("api_log");
loadlib("api_auth");
loadlib("api_keys");
loadlib("api_keys_utils");
loadlib("api_throttle");
loadlib("api_utils");
#################################################################
function api_dispatch($method)
{
    if (!$GLOBALS['cfg']['enable_feature_api']) {
        api_output_error(999, 'API disabled');
    }
    # Necessary? Also causes PHP 5.5 to freak out
    # with older versions of lib_filter...
    # (20140122/straup)
    $method = filter_strict($method);
    $api_key = request_str("api_key");

function _http_request($ch, $url, $more = array())
{
    $start = microtime_ms();
    $raw = curl_exec($ch);
    $info = curl_getinfo($ch);
    if ($err = curl_error($ch)) {
        $info['curl_error'] = $err;
    }
    $end = microtime_ms();
    curl_close($ch);
    $GLOBALS['timings']['http_count']++;
    $GLOBALS['timings']['http_time'] += $end - $start;
    return _http_parse_response($raw, $info);
}

    try_nq();
    try_qq();
}
#
# do iiiit
#
$num = 10000;
$t1 = microtime_ms();
for ($i = 0; $i < $num; $i++) {
    try_nq();
}
$t2 = microtime_ms();
for ($i = 0; $i < $num; $i++) {
    try_qq();
}
$t3 = microtime_ms();
echo "Time taken to run 8 assignements " . number_format($num) . " times, using 28 key names:<br /><br />\n";
echo "bare-word keys: " . number_format($t2 - $t1) . " ms<br />\n";
echo "quoted keys: " . number_format($t3 - $t2) . " ms<br />\n";
function try_nq()
{
    $a = array();
    $a[b] = array();
    $a[b][c] = array();
    $a[b][c][d] = array();
    $a[b][c][d][e] = array();
    $a[b][c][d][e][f] = array();
    $a[b][c][d][e][f][g] = array();
    $a[b][c][d][e][f][g][h] = 1;
    return $a;
}

function dots_import_dots(&$user, &$sheet, &$dots, $more = array())
{
    $received = 0;
    $processed = 0;
    $errors = array();
    $search = array();
    $extras = array();
    $lookup = array();
    $timings = array(0 => 0);
    $start_all = microtime_ms() / 1000;
    # As in: don't update DotsSearch inline but save
    # all the inserts and do them at at end.
    $more['buffer_search_inserts'] = 1;
    $more['buffer_extras_inserts'] = 1;
    $more['buffer_lookup_inserts'] = 1;
    foreach ($dots as $dot) {
        $received++;
        $start = microtime_ms() / 1000;
        $rsp = dots_create_dot($user, $sheet, $dot, $more);
        $end = microtime_ms() / 1000;
        $timings[$received] = $end - $start;
        if (!$rsp['ok']) {
            $rsp['record'] = $received;
            $errors[] = $rsp;
            continue;
        }
        # See this? We're checking for errors from the derived from
        # hooks that happen in _import_dot. We just want to trap them
        # so that we can display feedback to the user, which is to
        # say: If the code's gotten this far it means the dot has
        # been added to the database (20110311/straup)
        if (isset($rsp['derived']) && !$rsp['derived']['ok']) {
            $rsp['derived']['record'] = $received;
            $errors[] = $rsp['derived'];
            # carry on
        }
        if (isset($rsp['search'])) {
            $search[] = $rsp['search'];
        }
        if (isset($rsp['extras'])) {
            $extras = array_merge($extras, $rsp['extras']);
        }
        if (isset($rsp['lookup'])) {
            $lookup[] = $rsp['lookup'];
        }
        $processed++;
    }
    #
    # Buffered inserts (at some point this might/should
    # be handed to an offline tasks system)
    #
    if (count($lookup)) {
        $lookup_rsp = dots_lookup_add_lots_of_dots($lookup);
        if (!$lookup_rsp) {
            # What then ?
        }
    }
    # See notes in lib_dots_search about needing to merge these
    # two calls in to a single wrapper that calls a single "add
    # to search" wrapper call that takes care of whether or not
    # extras are stored in their own table or denormalized.
    # (20110502/straup)
    if (count($search)) {
        $search_rsp = dots_search_add_lots_of_dots($search);
        if (!$search_rsp) {
            # What then ?
        }
    }
    if (count($extras)) {
        $extras_rsp = dots_search_extras_add_lots_of_extras($extras);
        if (!$extras_rsp) {
            # What then ?
        }
    }
    #
    $end_all = microtime_ms() / 1000;
    $timings[0] = $end_all - $start_all;
    $ok = $processed ? 1 : 0;
    return array('ok' => $ok, 'errors' => &$errors, 'timings' => &$timings, 'dots_received' => $received, 'dots_processed' => $processed);
}

 /**
  * compile the template
  *
  * @param string $resource_name
  * @param string $compile_path
  * @return boolean
  */
 function _compile_resource($resource_name, $compile_path)
 {
     $start = microtime_ms();
     $ret = $this->_compile_resource_real($resource_name, $compile_path);
     $end = microtime_ms();
     $GLOBALS['timings']['smarty_comp_count']++;
     $GLOBALS['timings']['smarty_comp_time'] += $end - $start;
     log_notice("smarty", "Compiling {$resource_name}", $end - $start);
     return $ret;
 }

	function http_get($url){

		$ch = curl_init();

		curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
		curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
		curl_setopt($ch, CURLOPT_HTTPHEADER, array('Expect:')); # Get around error 417
		curl_setopt($ch, CURLOPT_URL, $url);
		curl_setopt($ch, CURLOPT_TIMEOUT, $GLOBALS['cfg']['http_timeout']);
		curl_setopt($ch, CURLINFO_HEADER_OUT, true);
		curl_setopt($ch, CURLOPT_HEADER, true);


		#
		# execute request
		#

		$start = microtime_ms();

		$raw = curl_exec($ch);
		$info = curl_getinfo($ch);

		$end = microtime_ms();

		curl_close($ch);

		$GLOBALS['timings']['http_count']++;
		$GLOBALS['timings']['http_time'] += $end-$start;


		#
		# parse request & response
		#

		list($head, $body) = explode("\r\n\r\n", $raw, 2);
		list($head_out, $body_out) = explode("\r\n\r\n", $info['request_header'], 2);
		unset($info['request_header']);

		$headers_in = http_parse_headers($head, '_status');
		$headers_out = http_parse_headers($head_out, '_request');
		log_notice("http", "GET $url", $end-$start);


		#
		# return
		#

	        if ($info['http_code'] != "200"){

			return array(
				'ok'		=> 0,
				'error'		=> 'http_failed',
				'code'		=> $info['http_code'],
				'url'		=> $url,
				'info'		=> $info,
				'req_headers'	=> $headers_out,
				'headers'	=> $headers_in,
				'body'		=> $body,
			);
		}

		return array(
			'ok'		=> 1,
			'url'		=> $url,
			'info'		=> $info,
			'req_headers'	=> $headers_out,
			'headers'	=> $headers_in,
			'body'		=> $body,
		);
	}

    $out = array('ok' => 0, 'error' => $msg);
    if ($code) {
        $out['error_code'] = $code;
    }
    return $out;
}
#
# Smarty stuff
#
$GLOBALS['error'] = array();
$GLOBALS['smarty']->assign_by_ref('error', $error);
#
# Hey look! Running code! Note that db_init will try
# to automatically connect to the db_main database
# (unless you've disable the 'auto_connect' flag) and
# will blow its brains out if there's a problem.
#
db_init();
if ($this_is_webpage) {
    login_check_login();
}
if (StrToLower($_SERVER['HTTP_X_MOZ']) == 'prefetch') {
    if (!$GLOBALS['cfg']['allow_precache']) {
        error_403();
    }
}
#
# this timer stores the end of core library loading
#
$GLOBALS['timings']['init_end'] = microtime_ms();