linux-kernel - Re: [RFC][PATCH 2/2] cpufreq: schedutil: Force max frequency on busy CPUs

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <7613782.1PkZjHhM6h@aspire.rjw.lan>
Date:   Mon, 20 Mar 2017 13:31:23 +0100
From:   "Rafael J. Wysocki" <rjw@...ysocki.net>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Linux PM <linux-pm@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Juri Lelli <juri.lelli@....com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Patrick Bellasi <patrick.bellasi@....com>,
        Joel Fernandes <joelaf@...gle.com>,
        Morten Rasmussen <morten.rasmussen@....com>,
        Ingo Molnar <mingo@...hat.com>
Subject: Re: [RFC][PATCH 2/2] cpufreq: schedutil: Force max frequency on busy CPUs

On Monday, March 20, 2017 11:38:15 AM Peter Zijlstra wrote:
> On Sun, Mar 19, 2017 at 10:24:24PM +0100, Rafael J. Wysocki wrote:
> 
> > Honestly, if the processor had been capable of doing per-core P-states, that
> > would have been a disaster and there are customers who wouldn't look at
> > schedutil again after being confronted with these numbers.
> 
> This, I feel, is a bit overstated.

Maybe a bit, but I'm not really sure ...

> We have bug, we fix them.

Of course. :-)