From: Catalin Marinas <catalin.marinas@arm.com>
To: Beata Michalska <beata.michalska@arm.com>
Cc: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, ionela.voinescu@arm.com,
sudeep.holla@arm.com, will@kernel.org,
vincent.guittot@linaro.org, vanshikonda@os.amperecomputing.com,
sumitg@nvidia.com, yang@os.amperecomputing.com,
lihuisong@huawei.com, viresh.kumar@linaro.org, rafael@kernel.org
Subject: Re: [PATCH v6 0/4] Add support for AArch64 AMUv1-based arch_freq_get_on_cpu
Date: Mon, 8 Jul 2024 18:10:02 +0100 [thread overview]
Message-ID: <ZowdalL3DfkHtaCg@arm.com> (raw)
In-Reply-To: <20240603082154.3830591-1-beata.michalska@arm.com>
Hi Beata,
On Mon, Jun 03, 2024 at 09:21:50AM +0100, Beata Michalska wrote:
> Introducing arm64 specific version of arch_freq_get_on_cpu, cashing on
> existing implementation for FIE and AMUv1 support: the frequency scale
> factor, updated on each sched tick, serves as a base for retrieving
> the frequency for a given CPU, representing an average frequency
> reported between the ticks - thus its accuracy is limited.
>
> The changes have been rather lightly (due to some limitations) tested on
> an FVP model. Note that some small discrepancies have been observed while
> testing (on the model) and this is currently being investigated, though it
> should not have any significant impact on the overall results.
What's the plan with this series? Are you still investigating those
discrepancies or is it good to go?
--
Catalin
next prev parent reply other threads:[~2024-07-08 17:11 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-03 8:21 [PATCH v6 0/4] Add support for AArch64 AMUv1-based arch_freq_get_on_cpu Beata Michalska
2024-06-03 8:21 ` [PATCH v6 1/4] arch_topology: init capacity_freq_ref to 0 Beata Michalska
2024-06-03 8:21 ` [PATCH v6 2/4] arm64: amu: Delay allocating cpumask for AMU FIE support Beata Michalska
2024-06-03 8:21 ` [PATCH v6 3/4] arm64: Provide an AMU-based version of arch_freq_get_on_cpu Beata Michalska
2024-07-10 17:44 ` Vanshidhar Konda
2024-07-17 6:54 ` Beata Michalska
2024-08-14 6:46 ` Jie Zhan
2024-08-26 7:23 ` Beata Michalska
2024-08-27 13:05 ` Jie Zhan
2024-06-03 8:21 ` [PATCH v6 4/4] arm64: Update AMU-based freq scale factor on entering idle Beata Michalska
2024-07-08 17:10 ` Catalin Marinas [this message]
2024-07-11 13:59 ` [PATCH v6 0/4] Add support for AArch64 AMUv1-based arch_freq_get_on_cpu Beata Michalska
2024-08-14 8:05 ` Jie Zhan
2024-08-26 7:24 ` Beata Michalska
2024-08-27 13:03 ` Jie Zhan
[not found] ` <8a9b4e02-a5c6-cb1b-fd32-728fc2c5e741@hisilicon.com>
2024-09-06 9:45 ` Beata Michalska
2024-07-14 0:32 ` Vanshidhar Konda
2024-07-17 6:58 ` Beata Michalska
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=ZowdalL3DfkHtaCg@arm.com \
--to=catalin.marinas@arm.com \
--cc=beata.michalska@arm.com \
--cc=ionela.voinescu@arm.com \
--cc=lihuisong@huawei.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=rafael@kernel.org \
--cc=sudeep.holla@arm.com \
--cc=sumitg@nvidia.com \
--cc=vanshikonda@os.amperecomputing.com \
--cc=vincent.guittot@linaro.org \
--cc=viresh.kumar@linaro.org \
--cc=will@kernel.org \
--cc=yang@os.amperecomputing.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).