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About linux : systemcallafterswapgs-where-is-my-code-spending-most-of-the-time

Question Detail

I am trying to profile my code with intel Vtune. When looking at the function call stack it looks like most of the time is spent on a function called system_call_after_swapgs. However there is no stack information. My question is:
what is system_call_after_swapgs? And how do I know where it was called from?

Question Answer

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