title: KCachegrind interpretation confusion
body: <p>I am trying to understand the values shown in Kcachegrind in the left panel</p>
  
  <p>I have Incl. (which I read in the manual is inclusive), Self, Called an Function</p>
  
  <p>Now I am analyzing this cachegrind file and I have</p>
  
  <pre><code>Incl. ---- Self ---- Called ---- Function
  
  100.05 ---- 0.04 ---- (0) ---- {main}
  
  83.38 ---- 0.07 ---- 250 --- item-&gt;close
  
  78.85 ---- 78.85 ---- 10 067 ---- php::mysql_query
  </code></pre>
  
  <p>and the list continues..</p>
  
  <p>But here is my problem.</p>
  
  <p>I think that the item->close is my bottleneck but what I don't understand is how it has 83.38 of Inclusive and then 0.07 of Self and the mysql_query command has the same in both.</p>
  
  <p>What does the 'self' signify here?</p>
  
  <p>Also how do these percentages relate to one another? I don't get it how the item->close takes 83% and the mysql_query takes 78%</p>
  
  <p>Thanks</p>