Re: [PATCH v3 09/14] x86/svm: Deflake svm_tsc_scale_test

Sean Christopherson
2025-11-14T00:34:40Z

On Mon, Nov 10, 2025, Yosry Ahmed wrote:
> On an AMT Turin (EPYC Zen 5), svm_tsc_scale_test flakes on the last test
> case with 0.0001 TSC scaling ratio, even with the 24-bit shift for
> stability. On failure, the actual value is 49 instead of the expected
> 50.
>
> Use a higher scaling ratio, 0.001, which makes the test pass
> consistently.

Top-tier analysis right here :-D

I'm going to take Jim's version instead of papering over the bug.