Avi Kivity wrote:
Anthony Liguori wrote:
Avi Kivity wrote:
1) I'm seeing about 2.3% in scheduler functions [that I recognize].
Does that seems a bit excessive?
Yes, it is. If there is a lot of I/O, this might be due to the
thread pool used for I/O.
This is why I wrote the linux-aio patch. It only reduced CPU
consumption by about 2% although I'm not sure if that's absolute or
relative. Andrew?
Was that before or after the entire path was made copyless?
Before so it's worth updating and trying again.
Regards,
Anthony Liguori
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