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From: Banibrata Dutta <banibrata.dutta@gmail.com>
Date: Sat, 7 Aug 2021 22:13:35 +0530
Message-ID: <CALODqpoNr7ozcxC6mWEp+FnVPajgGQ6sVBv7fgc8jHVwgUMKNg@mail.gmail.com>
Subject: Re: Any low power, auto standby type capability on Alpine ?
To: Ariadne Conill <ariadne@dereferenced.org>
Cc: "~alpine/users" <~alpine/users@lists.alpinelinux.org>
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Thank you Ariadne for sharing the insights.

On Sat, Aug 7, 2021 at 12:53 AM Ariadne Conill <ariadne@dereferenced.org>
wrote:

> Hi,
>
> On Fri, 6 Aug 2021, Banibrata Dutta wrote:
>
> > Currently for development purposes I use a Lubuntu VM running inside
> Virtualbox of a Windows host. I realized that if I do not have the VM
> running, then my battery lasts for about 8 hours with light
> > usage of WiFi. However with VM running, this drops down to about 3 hours.
> > I had been thinking of shifting my development work onto Alpine (mostly
> Golang development, rather learning) running it as a headless VM in
> Virtualbox. However, wondering if there are specific
> > configurations that allows Alpine go into power conservation mode ?
> >
> > Of course, I realize that there is also the hypervisor side of the
> story, i.e. does the hypervisor have powersaving mechanism, say when the
> headless VM is just running in the background with perhaps
> > extremely low CPU usage.
> >
> > Thanks in anticipation to any inputs or pointers in this regard.
>
> Alpine will make use of whatever powersaving capabilities the hypervisor
> provides, if configured to do so (e.g. using the ondemand or powersave CPU
> governors).
>
> But most hypervisors do not make those capabilities available, especially
> not VirtualBox.
>
> Ariadne



-- 
regards,
Banibrata
http://www.linkedin.com/in/bdutta
http://twitter.com/edgeliving

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<div dir=3D"ltr">Thank you Ariadne for sharing the insights.=C2=A0</div><br=
><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Sat, A=
ug 7, 2021 at 12:53 AM Ariadne Conill &lt;<a href=3D"mailto:ariadne@derefer=
enced.org">ariadne@dereferenced.org</a>&gt; wrote:<br></div><blockquote cla=
ss=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid =
rgb(204,204,204);padding-left:1ex">Hi,<br>
<br>
On Fri, 6 Aug 2021, Banibrata Dutta wrote:<br>
<br>
&gt; Currently for development purposes I use a Lubuntu VM running inside V=
irtualbox of a Windows host. I realized that if I do not have the VM runnin=
g, then my battery lasts for about 8 hours with light<br>
&gt; usage of WiFi. However with VM running, this drops down to about 3 hou=
rs.<br>
&gt; I had been thinking of shifting my development work onto Alpine (mostl=
y Golang development, rather learning) running it as a headless VM in Virtu=
albox. However, wondering if there are specific<br>
&gt; configurations that allows Alpine go into power conservation mode ?<br=
>
&gt; <br>
&gt; Of course, I realize that there=C2=A0is also the hypervisor side of th=
e story, i.e. does the hypervisor have powersaving=C2=A0mechanism, say when=
 the headless VM is just running in the background with perhaps<br>
&gt; extremely low CPU usage.<br>
&gt; <br>
&gt; Thanks in anticipation to any inputs or pointers in this regard.<br>
<br>
Alpine will make use of whatever powersaving capabilities the hypervisor <b=
r>
provides, if configured to do so (e.g. using the ondemand or powersave CPU =
<br>
governors).<br>
<br>
But most hypervisors do not make those capabilities available, especially <=
br>
not VirtualBox.<br>
<br>
Ariadne</blockquote></div><br clear=3D"all"><div><br></div>-- <br><div dir=
=3D"ltr" class=3D"gmail_signature">regards,<br>Banibrata<br><a href=3D"http=
://www.linkedin.com/in/bdutta" target=3D"_blank">http://www.linkedin.com/in=
/bdutta</a><br><a href=3D"http://twitter.com/edgeliving" target=3D"_blank">=
http://twitter.com/edgeliving</a></div>

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