From: Uladzislau Rezki <urezki@gmail.com>
To: "Paul E. McKenney" <paulmck@kernel.org>
Cc: "Uladzislau Rezki (Sony)" <urezki@gmail.com>,
Boqun Feng <boqun.feng@gmail.com>, RCU <rcu@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Frederic Weisbecker <frederic@kernel.org>,
Cheung Wall <zzqq0103.hey@gmail.com>,
Neeraj upadhyay <Neeraj.Upadhyay@amd.com>,
Joel Fernandes <joel@joelfernandes.org>,
Oleksiy Avramchenko <oleksiy.avramchenko@sony.com>
Subject: Re: [PATCH 2/4] torture: Remove CONFIG_NR_CPUS configuration
Date: Fri, 24 Jan 2025 12:41:38 +0100 [thread overview]
Message-ID: <Z5N8cmpD-HmTYQQJ@pc636> (raw)
In-Reply-To: <6f2969e3-344d-4f2d-a71c-ed999ac35324@paulmck-laptop>
On Thu, Jan 23, 2025 at 12:29:45PM -0800, Paul E. McKenney wrote:
> On Thu, Jan 23, 2025 at 07:58:26PM +0100, Uladzislau Rezki (Sony) wrote:
> > This configuration specifies the maximum number of CPUs which
> > is set to 8. The problem is that it can not be overwritten for
> > something higher.
> >
> > Remove that configuration for TREE05, so it is possible to run
> > the torture test on as many CPUs as many system has.
> >
> > Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
>
> You should be able to override this on the kvm.sh command line by
> specifying "--kconfig CONFIG_NR_CPUS=128" or whatever number you wish.
> For example, see the torture.sh querying the system's number of CPUs
> and then specifying it to a number of tests.
>
> Or am I missing something here?
>
It took me a while to understand what happens. Apparently there is this
8 CPUs limitation. Yes, i can do it manually by passing --kconfig but
you need to know about that. I have not expected that.
Therefore i removed it from the configuration because i have not found
a good explanation why we need. It is confusing instead :)
--
Uladzislau Rezki
next prev parent reply other threads:[~2025-01-24 11:41 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-23 18:58 [PATCH 1/4] rcutorture: Allow a negative value for nfakewriters Uladzislau Rezki (Sony)
2025-01-23 18:58 ` [PATCH 2/4] torture: Remove CONFIG_NR_CPUS configuration Uladzislau Rezki (Sony)
2025-01-23 20:29 ` Paul E. McKenney
2025-01-24 11:41 ` Uladzislau Rezki [this message]
2025-01-24 15:45 ` Paul E. McKenney
2025-01-24 17:21 ` Uladzislau Rezki
2025-01-24 17:36 ` Paul E. McKenney
2025-01-24 17:48 ` Uladzislau Rezki
2025-01-24 19:34 ` Paul E. McKenney
2025-01-27 13:27 ` Uladzislau Rezki
2025-01-27 14:51 ` Paul E. McKenney
2025-01-27 15:42 ` Uladzislau Rezki
2025-01-27 16:51 ` Paul E. McKenney
2025-01-27 17:26 ` Uladzislau Rezki
2025-01-27 18:15 ` Paul E. McKenney
2025-01-27 18:31 ` Uladzislau Rezki
2025-01-27 19:24 ` Uladzislau Rezki
2025-01-27 20:37 ` Uladzislau Rezki
2025-01-28 0:14 ` Paul E. McKenney
2025-01-28 12:17 ` Uladzislau Rezki
2025-01-28 12:41 ` Paul E. McKenney
2025-01-28 14:34 ` Uladzislau Rezki
2025-01-28 18:43 ` Paul E. McKenney
2025-01-28 20:57 ` Uladzislau Rezki
2025-01-23 18:58 ` [PATCH 3/4] rcu: Update TREE05.boot to test normal synchronize_rcu() Uladzislau Rezki (Sony)
2025-01-23 20:30 ` Paul E. McKenney
2025-01-23 18:58 ` [PATCH 4/4] rcu: Use _full() API to debug synchronize_rcu() Uladzislau Rezki (Sony)
2025-01-23 21:52 ` Paul E. McKenney
2025-01-24 11:48 ` Uladzislau Rezki
2025-01-24 15:49 ` Paul E. McKenney
2025-01-28 20:55 ` [PATCH 1/4] rcutorture: Allow a negative value for nfakewriters Uladzislau Rezki
2025-01-28 21:19 ` Paul E. McKenney
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