From: Tejun Heo <tj@kernel.org>
To: Changwoo Min <changwoo@igalia.com>
Cc: Andrea Righi <arighi@nvidia.com>,
void@manifault.com, kernel-dev@igalia.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] sched_ext: Add trace point to track sched_ext core events
Date: Fri, 28 Feb 2025 13:50:36 -1000 [thread overview]
Message-ID: <Z8JLzOBMGvvAtu54@slm.duckdns.org> (raw)
In-Reply-To: <86a6c5c7-47b7-49af-af57-b1d2171ba97c@igalia.com>
Hello,
On Sat, Mar 01, 2025 at 08:33:36AM +0900, Changwoo Min wrote:
...
> You might have two options here: 1) returning per-CPU event
> counter or 2) returning aggregated event counter. The first opion
> will be fast but less meaningful from user's point of view
> compared to the second option. Assuming the tracepoint are not in
> the hot path, I think the second option will be better choice.
> I will add an @event field and a special version of
> scx_bpf_events() for faster aggregation.
Ah, right, let's forget about printing aggregate for now. That's not
difficult for anyone to find out if necessary after all.
Thanks.
--
tejun
next prev parent reply other threads:[~2025-02-28 23:50 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-28 8:59 [PATCH v2] sched_ext: Add trace point to track sched_ext core events Changwoo Min
2025-02-28 10:03 ` Andrea Righi
2025-02-28 17:31 ` Tejun Heo
2025-02-28 23:33 ` Changwoo Min
2025-02-28 23:50 ` Tejun Heo [this message]
2025-03-01 0:46 ` Changwoo Min
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=Z8JLzOBMGvvAtu54@slm.duckdns.org \
--to=tj@kernel.org \
--cc=arighi@nvidia.com \
--cc=changwoo@igalia.com \
--cc=kernel-dev@igalia.com \
--cc=linux-kernel@vger.kernel.org \
--cc=void@manifault.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.