Yang Zhang <yang.zhang...@gmail.com> writes: > Some latency-intensive workload will see obviously performance > drop when running inside VM. The main reason is that the overhead > is amplified when running inside VM. The most cost i have seen is > inside idle path.
You could test with https://lkml.org/lkml/2017/7/9/204 which optimizes these idle paths with a fast path. If that works it would be a far better solution than explicit tunables and basically giving up by polling. -Andi -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
