Add --virt option for record mode for a virtualization environment.
If we use this option on a guest, we can send trace data in low-overhead.
This is because guests can send trace data to a host without copying the data
by using splice(2).
The format is:
trace-cmd record --virt -e sched*
Add --virt option for record mode for a virtualization environment.
If we use this option on a guest, we can send trace data in low-overhead.
This is because guests can send trace data to a host without copying the data
by using splice(2).
The format is:
trace-cmd record --virt -e sched*
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