Re: [PATCH RFC v3] cpufreq: schedutil: Make iowait boost more energy efficient

From	Joel Fernandes <joelaf@google.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH RFC v3] cpufreq: schedutil: Make iowait boost more energy efficient
Date	2017-07-08 12:30 +0200
Message-ID	<u0V9T-YB-9@gated-at.bofh.it> (permalink)
References	<u0V0d-Vj-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Hi,

On Sat, Jul 8, 2017 at 3:17 AM, Joel Fernandes <joelaf@google.com> wrote:
> Currently the iowait_boost feature in schedutil makes the frequency go to max.
> This is to handle a case that Peter described where the through put of
> operations involving continuous I/O requests [1].

Apologies for the incomplete line here, I'll rewrite the commit
message in a subsequent patch.

I meant to say "This is to handle a case that Peter described where
the throughput of operations involving continuous I/O requests is a
victim of low-frequency and ends up getting 'stuck' in a loop as he
described in [1]."

thanks,

-Joel

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[PATCH RFC v3] cpufreq: schedutil: Make iowait boost more energy efficient Joel Fernandes <joelaf@google.com> - 2017-07-08 12:20 +0200
  Re: [PATCH RFC v3] cpufreq: schedutil: Make iowait boost more energy efficient Joel Fernandes <joelaf@google.com> - 2017-07-08 12:30 +0200

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