From: "Doug Smythies" <dsmythies@telus.net>
To: 'Srinivas Pandruvada' <srinivas.pandruvada@linux.intel.com>
Cc: len.brown@intel.com, linux-pm@vger.kernel.org, trenn@suse.de,
prarit@redhat.com, rafael@kernel.org,
Doug Smythies <dsmythies@telus.net>
Subject: RE: [PATCH] Documentation: cpufreq: intel_pstate: enhance documentation
Date: Tue, 22 Dec 2015 09:26:12 -0800 [thread overview]
Message-ID: <000001d13cdd$dc0fff90$942ffeb0$@net> (raw)
In-Reply-To: <1450721117-7620-1-git-send-email-srinivas.pandruvada@linux.intel.com>
Hi Srinivas,
Just two typos.
On 2015.12.21 10:05 Srinivas Pandruvada wrote:
> +scaling_governor: This displays current active policy. Since each CPU has a
> +cpufreq sysfs, it is possible to set a scaling governor to each CPU. But this
> +is not possible with Intel P-States, as there is one common policy for all
> +CPUs. Here, the last requested policy will be applicable to all CPUs. It is
> >suggested that use the cpupower utility to change policy to all CPUs at the
+suggested that one use the cpupower utility to change policy to all CPUs at the
> +same time.
> +
> +scaling_setspeed: This attribute can never be used with Intel P-State.
> + setpoint = 80
> +
> +If the current P-State = 0x08 and current load = 100, this will result in the
> +next P-State = 0x08 - ((80 - 100) * 0.2) = 12
> +For the same load at setpoint = 60 this will result in the next P-State
> += 0x08 - ((60 - 100) * 0.2) = 16
> +So by changing the setpoint from 80 to 60, there is an increase of the
> >next P-State from 12 to 16. So this will make processor to execute at
+ next P-State from 12 to 16. So this will make the processor execute at
> +higher P-State for the same CPU load.
next prev parent reply other threads:[~2015-12-22 17:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-21 18:05 [PATCH] Documentation: cpufreq: intel_pstate: enhance documentation Srinivas Pandruvada
2015-12-22 17:26 ` Doug Smythies [this message]
2015-12-22 17:48 ` Srinivas Pandruvada
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='000001d13cdd$dc0fff90$942ffeb0$@net' \
--to=dsmythies@telus.net \
--cc=len.brown@intel.com \
--cc=linux-pm@vger.kernel.org \
--cc=prarit@redhat.com \
--cc=rafael@kernel.org \
--cc=srinivas.pandruvada@linux.intel.com \
--cc=trenn@suse.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).