lkml.org 
[lkml]   [2014]   [Jan]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH] Documentation: add ABI entry for intel_pstate
Date
On Monday, January 06, 2014 02:01:17 PM Ramkumar Ramachandra wrote:
> Add a Documentation/ABI entry for
> /sys/devices/system/cpu/intel_pstate/max_perf_pct,
> /sys/devices/system/cpu/intel_pstate/min_perf_pct, and
> /sys/devices/system/cpu/intel_pstate/no_turbo.
>
> Cc: Dirk Brandewie <dirk.brandewie@gmail.com>
> Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
> Cc: Randy Dunlap <rdunlap@infradead.org>
> Cc: Linux PM <linux-pm@vger.kernel.org>
> Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
> ---
> Documentation/ABI/testing/sysfs-devices-system-cpu | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu
> index 468e4d4..7080718 100644
> --- a/Documentation/ABI/testing/sysfs-devices-system-cpu
> +++ b/Documentation/ABI/testing/sysfs-devices-system-cpu
> @@ -200,3 +200,18 @@ Description: address and size of the percpu note.
> note of cpu#.
>
> crash_notes_size: size of the note of cpu#.
> +
> +
> +What: /sys/devices/system/cpu/intel_pstate/max_perf_pct
> + /sys/devices/system/cpu/intel_pstate/min_perf_pct
> + /sys/devices/system/cpu/intel_pstate/no_turbo

Well, can you please describe each of them separately? Like what each of them
actually does?

> +Date: February 2013
> +Contact: linux-pm@vger.kernel.org
> +Description: Parameters for the Intel P-state driver
> +
> + Logic for selecting the current P-state in Intel
> + Sandybridge+ processors. The three knobs control
> + limits for the P-state that will be requested by the
> + driver.
> +
> + More details can be found in Documentation/cpu-freq/intel-pstate.txt

No, that's not enough.

Thanks!

--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.


\
 
 \ /
  Last update: 2014-01-06 12:21    [W:0.041 / U:0.536 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site