[PATCH 4/4] cpu: cpufreq: show Turbo Boost with top _PSS value

[Keng-Yu Lin]

On Fri, May 23, 2014 at 8:42 PM, Colin King <colin.king at canonical.com> wrote:
> From: Colin Ian King <colin.king at canonical.com>
>
> To clarify CPU _PSS top state, we can flag it as Turbo Boost just
> as some extra helpful information.
>
> Signed-off-by: Colin Ian King <colin.king at canonical.com>
> ---
>  src/cpu/cpufreq/cpufreq.c | 15 ++++++++++++---
>  1 file changed, 12 insertions(+), 3 deletions(-)
>
> diff --git a/src/cpu/cpufreq/cpufreq.c b/src/cpu/cpufreq/cpufreq.c
> index 22e16ef..8b08146 100644
> --- a/src/cpu/cpufreq/cpufreq.c
> +++ b/src/cpu/cpufreq/cpufreq.c
> @@ -382,11 +382,20 @@ static void do_cpu(fwts_framework *fw, const int cpu)
>         fwts_log_info(fw, "CPU %d: %i CPU frequency steps supported.", cpu, speedcount);
>         fwts_log_info_verbatum(fw, " Frequency | Relative Speed | Bogo loops");
>         fwts_log_info_verbatum(fw, "-----------+----------------+-----------");
> -       for (i = 0; i < speedcount; i++)
> -               fwts_log_info_verbatum(fw, "%10s |     %5.1f %%    | %9" PRIu64,
> +       for (i = 0; i < speedcount; i++) {
> +               char *turbo = "";
> +#ifdef FWTS_ARCH_INTEL
> +               if ((i == 0) && (speedcount > 1) &&
> +                   (hz_almost_equal(freqs[i].Hz, freqs[i + 1].Hz)))
> +                       turbo = " (Turbo Boost)";
> +#endif
> +
> +               fwts_log_info_verbatum(fw, "%10s |     %5.1f %%    | %9" PRIu64 "%s",
>                         hz_to_human(freqs[i].Hz),
>                         100.0 * freqs[i].speed/cpu_top_speed,
> -                       freqs[i].speed);
> +                       freqs[i].speed,
> +                       turbo);
> +       }
>
>         if (number_of_speeds == -1)
>                 number_of_speeds = speedcount;
> --
> 2.0.0.rc0
>
>

Acked-by: Keng-Yu Lin <kengyu at canonical.com>