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Huang_J_
Beginner
67 Views

Where do context switches come from?

Hi, I'm trying to analyze which line of code the preemption context switches and synchronization context switches come from in my program using VTune 2013 update 17. I have no idea how to do it. Can anyone help me out? Many thanks.

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Bernard
Black Belt
67 Views

If I understood your  question correctly  Context Switches come from OS scheduler and its scheduling algorithms.

Vitaly_S_Intel
Employee
67 Views

Click on context switch in timeline, then choose metric (e.g. Context Switch Time) in stack pane and you'll see stack related to this context switch according to metric selected. You can now drill down to source or disasm double clicking to top stack frame.

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