Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Wed, 11 Apr 2018 12:58:28 +0200
From:   Peter Zijlstra <peterz@infradead.org>
To:     Patrick Bellasi <patrick.bellasi@arm.com>
Cc:     linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
        Ingo Molnar <mingo@redhat.com>,
        "Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
        Viresh Kumar <viresh.kumar@linaro.org>,
        Joel Fernandes <joelaf@google.com>,
        Steve Muckle <smuckle@google.com>,
        Juri Lelli <juri.lelli@redhat.com>,
        Dietmar Eggemann <dietmar.eggemann@arm.com>
Subject: Re: [PATCH v2] cpufreq/schedutil: Cleanup, document and fix iowait
 boost
Message-ID: <20180411105828.GL4082@hirez.programming.kicks-ass.net>
References: <20180410155931.31973-1-patrick.bellasi@arm.com>
 <20180410193708.GE4043@hirez.programming.kicks-ass.net>
 <20180411104445.GM14248@e110439-lin>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20180411104445.GM14248@e110439-lin>
User-Agent: Mutt/1.9.3 (2018-01-21)
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Wed, Apr 11, 2018 at 11:44:45AM +0100, Patrick Bellasi wrote:
> > > - sugov_set_iowait_boost: is now in charge only to set/increase the IO
> > >      wait boost, every time a task wakes up from an IO wait.
> > > 
> > > - sugov_iowait_boost: is now in charge to reset/reduce the IO wait
> > >      boost, every time a sugov update is triggered, as well as
> > >      to (eventually) enforce the currently required IO boost value.
> > 
> > I'm not sold on those function names; feels like we can do better,
> > although I'm struggling to come up with anything sensible just now.
> 
> What about something like:
> 
>  sugov_iowait_init()
>  since here we are mainly initializing the iowait boost
> 
>  sugov_iowait_boost()
>  since here we are mainly applying the proper boost to each cpu
> 
> Although they are not really so different...

How about:

  sugov_iowait_boost() -- does the actual impulse/boost
  sugov_iowait_apply() -- applies the boost state

?