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How to detect cpu migrations by VTune

LIU_Q_
Beginner
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How do I detect the cpu migrations of a program by VTune?

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David_A_Intel1
Employee
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You can use the Timeline Grouping to group by "Thread / H/W Context".  This will show which core the thread ran on at various times.

TimelineGrouping.PNG

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Divino_C_
New Contributor I
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I'm not sure how you can use VTune to do that, but you can use Linux Perf (assuming you are using Linux):

perf stat -e cpu-migrations -- /path/to/your/program

David_A_Intel1
Employee
188 Views

You can use the Timeline Grouping to group by "Thread / H/W Context".  This will show which core the thread ran on at various times.

TimelineGrouping.PNG

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