Re: [PATCH v6 1/3] x86/fpu: Measure the Latency of XSAVES and XRSTORS

[Dave Hansen]

On 9/6/23 02:18, Yi Sun wrote:
> Or just use PT

I'd really like to be able to use this mechanism across a wide range of
systems over time and vendors.  For instance, if Intel's AVX512 XSAVE
implementation is much faster than AMD's, it would be nice to show some
apples-to-apples data to motivate AMD to do better.  We can't do that
with PT.