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DebugV8Heap.md

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###NOTE: This works for Android ONLY!!!

  • There is the global function
heapSnapshot();
  • The function will save a V8's heap dump file in the application private files folder - e.g.
data/data/com.telerik.tns.unittestapp/files/xxx.xxx.heapsnapshot
  • Open command prompt and go the location of your ADB - e.g. [PathToADT]/sdk/platform-tools/
  • Run adb shell
  • Go to /data/data/com.telerik.tns.unittestapp/files/
  • Run ls to list the files in the folder and find the *.heapsnapshot file(s).
  • Run exit to return back to the command prompt
  • Run adb pull /data/data/com.telerik.tns.unittestapp/files/xxx.xxx.heapsnapshot LocalPath/To/Snapshot
  • Open Chrome Developer Tools (Ctrl + Shift + I within Chrome)
  • Go to Profiles tab on the top of the tools window
  • Select Record Heap Allocations and load the locally saved *.heapsnapshot file.