From: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
To: Giovanni Gherdovich <ggherdovich@suse.cz>,
tglx@linutronix.de, mingo@redhat.com, peterz@infradead.org,
bp@suse.de, lenb@kernel.org, rjw@rjwysocki.net
Cc: x86@kernel.org, linux-pm@vger.kernel.org,
linux-kernel@vger.kernel.org, mgorman@techsingularity.net,
matt@codeblueprint.co.uk, viresh.kumar@linaro.org,
juri.lelli@redhat.com, pjt@google.com,
vincent.guittot@linaro.org, qperret@qperret.net,
dietmar.eggemann@arm.com
Subject: Re: [PATCH 1/2] x86,sched: Add support for frequency invariance
Date: Fri, 13 Sep 2019 15:52:04 -0700 [thread overview]
Message-ID: <4226d5f460604a8130f8079b74ef3fb1d60009d7.camel@linux.intel.com> (raw)
In-Reply-To: <20190909024216.5942-2-ggherdovich@suse.cz>
On Mon, 2019-09-09 at 04:42 +0200, Giovanni Gherdovich wrote:
...
> +
> +/*
> + * APERF/MPERF frequency ratio computation.
> + *
> + * The scheduler wants to do frequency invariant accounting and
> needs a <1
> + * ratio to account for the 'current' frequency, corresponding to
> + * freq_curr / freq_max.
I thought this is no longer the restriction and Vincent did some work
to remove this restriction.
Thanks,
Srinivas
next prev parent reply other threads:[~2019-09-13 22:52 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-09 2:42 [PATCH 0/2] Add support for frequency invariance for (some) x86 Giovanni Gherdovich
2019-09-09 2:42 ` [PATCH 1/2] x86,sched: Add support for frequency invariance Giovanni Gherdovich
2019-09-11 15:28 ` Doug Smythies
2019-09-13 20:58 ` Doug Smythies
2019-09-17 14:25 ` Giovanni Gherdovich
2019-09-19 14:42 ` Doug Smythies
2019-09-24 8:06 ` Mel Gorman
2019-09-24 17:52 ` Doug Smythies
2019-09-13 22:52 ` Srinivas Pandruvada [this message]
2019-09-17 14:27 ` Giovanni Gherdovich
2019-09-17 15:55 ` Vincent Guittot
2019-09-19 23:55 ` Srinivas Pandruvada
2019-09-14 10:57 ` Quentin Perret
2019-09-17 14:27 ` Giovanni Gherdovich
2019-09-17 14:39 ` Quentin Perret
2019-09-24 14:03 ` Peter Zijlstra
2019-09-24 16:00 ` Peter Zijlstra
2019-10-02 12:27 ` Giovanni Gherdovich
2019-10-02 18:45 ` Peter Zijlstra
2019-09-24 16:04 ` Peter Zijlstra
2019-10-02 12:26 ` Giovanni Gherdovich
2019-10-02 18:35 ` Peter Zijlstra
2019-09-24 16:30 ` Peter Zijlstra
2019-10-02 12:25 ` Giovanni Gherdovich
2019-10-02 18:47 ` Peter Zijlstra
2019-09-09 2:42 ` [PATCH 2/2] cpufreq: intel_pstate: Conditional frequency invariant accounting Giovanni Gherdovich
2019-09-24 16:01 ` [PATCH 0/2] Add support for frequency invariance for (some) x86 Peter Zijlstra
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