Re: [PATCH 06/25] hrtimer: Store running timer in hrtimer_clock_base

[Peter Zijlstra]

On Thu, Aug 31, 2017 at 12:23:36PM -0000, Anna-Maria Gleixner wrote:
> Unfortunately this makes cpu_clock base larger than 32 bytes on 32bit
> kernels. Instead of having huge gaps due to alignment, remove the alignment
> and let the compiler pack cpu base for 32bit. The resulting cache access
> patterns are fortunately not really different from the current
> behaviour.

How did you determine this? Perf lacks much useful tooling right about
there :/