From: Valentin Schneider <valentin.schneider@arm.com>
To: Ionela Voinescu <ionela.voinescu@arm.com>
Cc: catalin.marinas@arm.com, will@kernel.org, mark.rutland@arm.com,
maz@kernel.org, suzuki.poulose@arm.com, sudeep.holla@arm.com,
dietmar.eggemann@arm.com, peterz@infradead.org, mingo@redhat.com,
ggherdovich@suse.cz, vincent.guittot@linaro.org,
linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 6/6] arm64: use activity monitors for frequency invariance
Date: Thu, 30 Jan 2020 16:11:56 +0000 [thread overview]
Message-ID: <ec71a41d-5274-c29c-a391-4ed92839d58f@arm.com> (raw)
In-Reply-To: <20200130154923.GB5208@arm.com>
On 30/01/2020 15:49, Ionela Voinescu wrote:
> Okay, I'll add this as a separate patch to the series and put you as
> author. That is if you want me to tie this check to this usecase that
> proves its usefulness. Otherwise it can stand on its own as well if
> you want to submit it separately.
>
It's pretty much standalone, but it does make sense to bundle it with this
series, I think. Feel free to grab ownership (I didn't test it) ;)
> In regards to the ratio computation for frequency invariance where this
> plays a role, I'll do a check and bail out if the ratio is 0, which I'm
> ashamed to not have added before :).
That does sound like something we very much want to have.
>
> Thanks,
> Ionela.
>
>
>>> Long story short, we're probably fine, but it would nice to shove some of
>>> the above into comments (especially the SCHED_CAPACITY_SCALE² trick)
>>>
prev parent reply other threads:[~2020-01-30 16:12 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-18 18:26 [PATCH v2 0/6] arm64: ARMv8.4 Activity Monitors support Ionela Voinescu
2019-12-18 18:26 ` [PATCH v2 1/6] arm64: add support for the AMU extension v1 Ionela Voinescu
2020-01-23 17:04 ` Valentin Schneider
2020-01-23 18:32 ` Ionela Voinescu
2020-01-24 12:00 ` Valentin Schneider
2020-01-28 11:00 ` Ionela Voinescu
2020-01-28 16:34 ` Suzuki Kuruppassery Poulose
2020-01-29 16:42 ` Ionela Voinescu
2019-12-18 18:26 ` [PATCH v2 2/6] arm64: trap to EL1 accesses to AMU counters from EL0 Ionela Voinescu
2020-01-23 17:04 ` Valentin Schneider
2020-01-23 17:34 ` Ionela Voinescu
2019-12-18 18:26 ` [PATCH v2 3/6] arm64/kvm: disable access to AMU registers from kvm guests Ionela Voinescu
2020-01-27 15:33 ` Valentin Schneider
2020-01-28 15:48 ` Ionela Voinescu
2020-01-28 17:26 ` Suzuki Kuruppassery Poulose
2020-01-28 17:37 ` Valentin Schneider
2020-01-28 17:52 ` Ionela Voinescu
2019-12-18 18:26 ` [PATCH v2 4/6] Documentation: arm64: document support for the AMU extension Ionela Voinescu
2020-01-27 16:47 ` Valentin Schneider
2020-01-28 16:53 ` Ionela Voinescu
2020-01-28 18:36 ` Valentin Schneider
2020-01-30 15:04 ` Suzuki Kuruppassery Poulose
2020-01-30 16:45 ` Ionela Voinescu
2020-01-30 18:26 ` Suzuki K Poulose
2020-01-31 9:54 ` Ionela Voinescu
2019-12-18 18:26 ` [PATCH v2 5/6] TEMP: sched: add interface for counter-based frequency invariance Ionela Voinescu
2020-01-29 19:37 ` Peter Zijlstra
2020-01-30 15:33 ` Ionela Voinescu
2019-12-18 18:26 ` [PATCH v2 6/6] arm64: use activity monitors for " Ionela Voinescu
2020-01-23 11:49 ` Lukasz Luba
2020-01-23 17:07 ` Ionela Voinescu
2020-01-24 1:19 ` Lukasz Luba
2020-01-24 13:12 ` Ionela Voinescu
2020-01-24 15:17 ` Lukasz Luba
2020-01-28 17:36 ` Ionela Voinescu
2020-01-29 17:13 ` Valentin Schneider
2020-01-29 17:52 ` Ionela Voinescu
2020-01-29 23:39 ` Valentin Schneider
2020-01-30 15:49 ` Ionela Voinescu
2020-01-30 16:11 ` Valentin Schneider [this message]
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