linux-kernel - Re: problem in changing from active to passive mode

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Date:   Mon, 25 Oct 2021 22:49:54 +0200 (CEST)
From:   Julia Lawall <julia.lawall@...ia.fr>
To:     Doug Smythies <dsmythies@...us.net>
cc:     Julia Lawall <julia.lawall@...ia.fr>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        Len Brown <lenb@...nel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Linux PM list <linux-pm@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: problem in changing from active to passive mode

Thanks for the feedback.  I see that if I change the mode from active to
passive and back to active, I end up in active powersave, not active
performance.  Changing the governor to performance does reproducethe
original performance.

Still, I have the impression that the performance with passive/schedutil
is excessively bad because the frequency is excessively low.  But my
machines are not available at the moment, so I will have to try again
tomorrow to see what exactly is going on.

julia