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PerformanceMeasurement.php
1 <?php
2  /*********************************************************************************
3  * Zurmo is a customer relationship management program developed by
4  * Zurmo, Inc. Copyright (C) 2017 Zurmo Inc.
5  *
6  * Zurmo is free software; you can redistribute it and/or modify it under
7  * the terms of the GNU Affero General Public License version 3 as published by the
8  * Free Software Foundation with the addition of the following permission added
9  * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
10  * IN WHICH THE COPYRIGHT IS OWNED BY ZURMO, ZURMO DISCLAIMS THE WARRANTY
11  * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
12  *
13  * Zurmo is distributed in the hope that it will be useful, but WITHOUT
14  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
15  * FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
16  * details.
17  *
18  * You should have received a copy of the GNU Affero General Public License along with
19  * this program; if not, see http://www.gnu.org/licenses or write to the Free
20  * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21  * 02110-1301 USA.
22  *
23  * You can contact Zurmo, Inc. with a mailing address at 27 North Wacker Drive
24  * Suite 370 Chicago, IL 60606. or at email address contact@zurmo.com.
25  *
26  * The interactive user interfaces in original and modified versions
27  * of this program must display Appropriate Legal Notices, as required under
28  * Section 5 of the GNU Affero General Public License version 3.
29  *
30  * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
31  * these Appropriate Legal Notices must retain the display of the Zurmo
32  * logo and Zurmo copyright notice. If the display of the logo is not reasonably
33  * feasible for technical reasons, the Appropriate Legal Notices must display the words
34  * "Copyright Zurmo Inc. 2017. All rights reserved".
35  ********************************************************************************/
36 
37  class PerformanceMeasurement extends CApplicationComponent
38  {
39  const MAX_MEMORY_USAGE_RATIO = 0.8;
40 
41  protected $startTime;
42 
43  protected $memoryUsage;
44 
50  protected $timings = array();
51 
56  protected $redBeanQueryLogger;
57 
58  public function startClock()
59  {
60  $this->startTime = microtime(true);
61  }
62 
63  public function endClockAndGet()
64  {
65  $endTime = microtime(true);
66  return $endTime - $this->startTime;
67  }
68 
75  public function addTimingById($identifer, $time)
76  {
77  if (isset($this->timings[$identifer]))
78  {
79  $this->timings[$identifer] = $this->timings[$identifer] + $time;
80  }
81  else
82  {
83  $this->timings[$identifer] = $time;
84  }
85  }
86 
90  public function getTimings()
91  {
92  return $this->timings;
93  }
94 
100  public function setRedBeanQueryLogger(ZurmoRedBeanPluginQueryLogger $redBeanQueryLogger)
101  {
102  $this->redBeanQueryLogger = $redBeanQueryLogger;
103  }
104 
105  public function getRedBeanQueryLogger()
106  {
107  return $this->redBeanQueryLogger;
108  }
109 
113  public function startMemoryUsageMarker()
114  {
115  $this->memoryUsage = memory_get_usage();
116  }
117 
121  public function getMemoryMarkerUsage()
122  {
123  return memory_get_usage() - $this->memoryUsage;
124  }
125 
130  public function getMemoryUsage($realUsage = false)
131  {
132  return memory_get_usage($realUsage);
133  }
134 
138  public function getAllocatedMemoryInBytes()
139  {
140  $allocatedMemory = ini_get('memory_limit');
141  $allocatedMemoryInBytes = StringUtil::convertToBytes($allocatedMemory);
142  return $allocatedMemoryInBytes;
143  }
144 
149  public function getMemoryUsageRatio()
150  {
151  $memoryUsageRatio = 0;
152  $allocatedMemoryInBytes = $this->getAllocatedMemoryInBytes();
153  $usedMemory = $this->getMemoryUsage(true);
154  if (is_int($allocatedMemoryInBytes) && $allocatedMemoryInBytes > 0 &&
155  $usedMemory > 0)
156  {
157  $memoryUsageRatio = $usedMemory/$allocatedMemoryInBytes;
158  if ($memoryUsageRatio < 0 || $memoryUsageRatio > 1)
159  {
160  // SOme data are wrong, so reset this value
161  $memoryUsageRatio = 0;
162  }
163  }
164  return $memoryUsageRatio;
165  }
166 
171  public function isMemoryUsageSafe()
172  {
173  $memoryUsageRatio = $this->getMemoryUsageRatio();
174  if ($memoryUsageRatio > self::MAX_MEMORY_USAGE_RATIO)
175  {
176  return false;
177  }
178  else
179  {
180  return true;
181  }
182  }
183  }
184 ?>
addTimingById($identifer, $time)
static convertToBytes($value)
Definition: StringUtil.php:240
setRedBeanQueryLogger(ZurmoRedBeanPluginQueryLogger $redBeanQueryLogger)
Generated on Wed Sep 30 2020 07:10:28
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