1. 16 Sep, 2009 1 commit
    • mikhail.naganov@gmail.com's avatar
      Add initial version of retainers heap profile. · abc0bd46
      mikhail.naganov@gmail.com authored
      The profile is taken together with constructors profile. In theory, it
      should represent a complete heap graph. However, this takes a lot of memory,
      so it is reduced to a more compact, but still useful form. Namely:
      
       - objects are aggregated by their constructors, except for Array and Object
         instances, that are too hetereogeneous;
      
       - for Arrays and Objects, initially every instance is concerned, but then
         they are grouped together based on their retainer graph paths similarity (e.g.
         if two objects has the same retainer, they are considered equal);
      
      Review URL: http://codereview.chromium.org/200132
      
      git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2903 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
      abc0bd46
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