From: Peter Zijlstra <peterz@infradead.org>
To: Cristian Prundeanu <cpru@amazon.com>
Cc: K Prateek Nayak <kprateek.nayak@amd.com>,
Hazem Mohamed Abuelfotoh <abuehaze@amazon.com>,
Ali Saidi <alisaidi@amazon.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Geoff Blake <blakgeof@amazon.com>,
Csaba Csoma <csabac@amazon.com>,
Bjoern Doebel <doebel@amazon.com>,
Gautham Shenoy <gautham.shenoy@amd.com>,
Swapnil Sapkal <swapnil.sapkal@amd.com>,
Joseph Salisbury <joseph.salisbury@oracle.com>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Ingo Molnar <mingo@redhat.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Borislav Petkov <bp@alien8.de>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-tip-commits@vger.kernel.org,
x86@kernel.org
Subject: Re: EEVDF regression still exists
Date: Tue, 29 Apr 2025 23:56:04 +0200 [thread overview]
Message-ID: <20250429215604.GE4439@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <20250429213817.65651-1-cpru@amazon.com>
On Tue, Apr 29, 2025 at 04:38:17PM -0500, Cristian Prundeanu wrote:
> Peter,
>
> Here are the latest results for the EEVDF impact on database workloads.
> The regression introduced in kernel 6.6 still persists and doesn't look
> like it is improving.
Well, I was under the impression it had actually been solved :-(
My understanding from the last round was that Prateek and co had it
sorted -- with the caveat being that you had to stick SCHED_BATCH in at
the right place in MySQL start scripts or somesuch.
Prateek, Gautham?
next prev parent reply other threads:[~2025-04-29 21:56 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-29 21:38 EEVDF regression still exists Cristian Prundeanu
2025-04-29 21:56 ` Peter Zijlstra [this message]
2025-04-29 22:06 ` Prundeanu, Cristian
2025-04-30 3:33 ` K Prateek Nayak
2025-05-01 16:16 ` Prundeanu, Cristian
2025-05-02 5:56 ` K Prateek Nayak
2025-05-02 6:33 ` K Prateek Nayak
2025-05-02 18:06 ` Prundeanu, Cristian
2025-05-02 8:48 ` Peter Zijlstra
2025-05-02 16:52 ` Prundeanu, Cristian
2025-05-14 21:26 ` Dietmar Eggemann
2025-04-30 10:02 ` Peter Zijlstra
2025-05-02 7:08 ` Sapkal, Swapnil
2025-05-02 17:25 ` Prundeanu, Cristian
2025-05-02 17:52 ` Linus Torvalds
2025-05-03 3:34 ` K Prateek Nayak
2025-05-21 13:30 ` Cristian Prundeanu
-- strict thread matches above, loose matches on Subject: below --
2025-05-20 18:14 Cristian Prundeanu
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