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List: fedora-devel-list
Subject: Re: F37 proposal: Add -fno-omit-frame-pointer to default compilation flags (System-Wide Change propo
From: drago01 <drago01 () gmail ! com>
Date: 2022-07-10 12:38:53
Message-ID: CAMqY-FfEL8GQs+Xv-jKzO4nzQnkKnHko7g9e-i3KSC8So5HFJQ () mail ! gmail ! com
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On Sunday, July 10, 2022, Kevin Kofler via devel <
devel@lists.fedoraproject.org> wrote:
> drago01 wrote:
>
> > On Sunday, July 10, 2022, Kevin Kofler via devel <
> > devel@lists.fedoraproject.org> wrote:
> >
> >> drago01 wrote:
> >> > One thing which seems to be completely missing in the conversation is
> >> > how this affects battery life. Having lower performance, means the CPU
> >> > has to do more work / be in a higher power state for a longer time
> >> > frame.
> >>
> >> Who in their right mind does CPU profiling on battery?
> >>
> >>
> > The comment was not about profiling but about the change itself.
>
> So I guess you agree that this is actually an argument against this
> Change,
> is it not?
Yes it is, unless data shows shows otherwise, which I have not seen.
> Considering that, since profiling is usually not done on battery,
> improving the performance of profiling at the expense of overall
> performance
> is not a win when you consider the battery use.
>
> (The position of your reply in the thread was not optimal, because you
> answered a mail that was talking about the performance of profiling, not
> the
> overall performance of the system. So that made it easy to misinterpret
> your
> position.)
Sorry for that, traveling and responding on mobile.
>
> Kevin Kofler
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[Attachment #5 (text/html)]
<br><br>On Sunday, July 10, 2022, Kevin Kofler via devel <<a \
href="mailto:devel@lists.fedoraproject.org">devel@lists.fedoraproject.org</a>> \
wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px \
#ccc solid;padding-left:1ex">drago01 wrote:<br> <br>
> On Sunday, July 10, 2022, Kevin Kofler via devel <<br>
> <a href="mailto:devel@lists.fedoraproject.org">devel@lists.fedoraproject.org</a>> \
wrote:<br> > <br>
>> drago01 wrote:<br>
>> > One thing which seems to be completely missing in the conversation \
is<br> >> > how this affects battery life. Having lower performance, means \
the CPU<br> >> > has to do more work / be in a higher power state for a \
longer time<br> >> > frame.<br>
>><br>
>> Who in their right mind does CPU profiling on battery?<br>
>><br>
>><br>
> The comment was not about profiling but about the change itself.<br>
<br>
So I guess you agree that this is actually an argument against this Change, <br>
is it not? </blockquote><div><br></div><div> Yes it is, unless data shows shows \
otherwise, which I have not seen.</div><div><br></div><blockquote class="gmail_quote" \
style="margin:0 0 0 .8ex;border-left:1px #ccc \
solid;padding-left:1ex"><br></blockquote><blockquote class="gmail_quote" \
style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Considering \
that, since profiling is usually not done on battery, <br> improving the performance \
of profiling at the expense of overall performance <br> is not a win when you \
consider the battery use.<br> <br>
(The position of your reply in the thread was not optimal, because you <br>
answered a mail that was talking about the performance of profiling, not the <br>
overall performance of the system. So that made it easy to misinterpret your <br>
position.)</blockquote><div><br></div><div>Sorry for that, traveling and responding \
on mobile.</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 \
.8ex;border-left:1px #ccc solid;padding-left:1ex"> <br>
Kevin Kofler<br>
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