Re: [RFC PATCH 06/12] perf: Support extension of sample_regs

[Liang, Kan]

On 2025-06-18 10:47 a.m., Dave Hansen wrote:
> On 6/18/25 07:30, Dave Hansen wrote:
>> If software is going to munge the XSAVE format, then you don't have to
>> worry about alignment because you'd save it to some probably per-cpu
>> 64-byte-aligned buffer and then munge it into the unaligned
>> PERF_SAMPLE_SIMD_REGS above.
> 
> BTW, Peter just mentioned that you're just going to munge both the XSAVE
> and PEBS formats before letting userspace see them.

Right, there is no plan to export the XSAVE formats directly to the
userspace.

> Big ack from me on
> that, fwiw.

Thanks. :)

Kan