Re: [PATCH v0 2/3] perf/x86/intel/pt: Export cpu frequency ratios needed by PT decoders

[Alexander Shishkin]

Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx> writes:

> In order for Intel PT decoders to infer correct crystal clock and bus
> frequencies that are required to correctly decode timing information
> from a PT stream (MTC and CBR packets), export them as sysfs attributes:
>
>   * max_nonturbo_ratio: ratio between the invariant TSC and base clock;
>   * tsc_art_ratio: TSC to core crystal clock ratio.
>
> Signed-off-by: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>

With a slightly better changelog: