linux-kernel - Re: [PATCH 0/2] [tip: sched/core] sched: Disable PLACE_LAG and RUN_TO

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Message-ID: <e82c45088ed5aad81f44d4297ff19565e2472ba7.camel@kernel.crashing.org>
Date: Thu, 24 Oct 2024 19:12:49 +1100
From: Benjamin Herrenschmidt <benh@...nel.crashing.org>
To: "Prundeanu, Cristian" <cpru@...zon.com>,
        K Prateek Nayak
	 <kprateek.nayak@....com>,
        Peter Zijlstra <peterz@...radead.org>
Cc: "linux-tip-commits@...r.kernel.org" <linux-tip-commits@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Ingo Molnar
 <mingo@...hat.com>, "x86@...nel.org" <x86@...nel.org>,
        "linux-arm-kernel@...ts.infradead.org"
 <linux-arm-kernel@...ts.infradead.org>,
        "Doebel, Bjoern"
 <doebel@...zon.de>,
        "Mohamed Abuelfotoh, Hazem" <abuehaze@...zon.com>,
        "Blake, Geoff" <blakgeof@...zon.com>,
        "Saidi, Ali" <alisaidi@...zon.com>, "Csoma, Csaba" <csabac@...zon.com>,
        "gautham.shenoy@....com"
 <gautham.shenoy@....com>
Subject: Re: [PATCH 0/2] [tip: sched/core] sched: Disable PLACE_LAG and
 RUN_TO_PARITY and move them to sysctl

On Sat, 2024-10-19 at 02:30 +0000, Prundeanu, Cristian wrote:
> 
> The hammerdb test is a bit more complex than sysbench. It uses two
> independent physical machines to perform a TPC-C derived test [1], aiming
> to simulate a real-world database workload. The machines are allocated as
> an AWS EC2 instance pair on the same cluster placement group [2], to avoid
> measuring network bottlenecks instead of server performance. The SUT
> instance runs mysql configured to use 2 worker threads per vCPU (32
> total); the load generator instance runs hammerdb configured with 64
> virtual users and 24 warehouses [3]. Each test consists of multiple
> 20-minute rounds, run consecutively on multiple independent instance
> pairs.

Would it be possible to produce something that Prateek and Gautham
(Hi Gautham btw !) can easily consume to reproduce ?

Maybe a container image or a pair of container images hammering each
other ? (the simpler the better).

Cheers,
Ben.