From: Paolo Bonzini <pbonzini@redhat.com>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: Jan Kiszka <jan.kiszka@siemens.com>,
David Gibson <david@gibson.dropbear.id.au>,
qemu-devel@nongnu.org, qemulist@gmail.com
Subject: Re: [Qemu-devel] [RFC PATCH 00/12] RCU implementation for QEMU
Date: Wed, 15 May 2013 18:19:15 +0200 [thread overview]
Message-ID: <5193B583.5070108@redhat.com> (raw)
In-Reply-To: <CAFEAcA-b_+O7j5FCbbWkemwZzHaYvkTkPbvx_F0-JBdAOx-NWA@mail.gmail.com>
Il 15/05/2013 18:16, Peter Maydell ha scritto:
> On 15 May 2013 16:48, Paolo Bonzini <pbonzini@redhat.com> wrote:
>> Giving a shot to rcutorture on a weak memory-model machine (PPC)
>> would be nice.
>
> # ./tests/rcutorture 16 rperf 2
> n_reads: 116103000 n_updates: 0 nreaders: 16 nupdaters: 0 duration: 2
> ns/read: 275.617 ns/update: nan
>
> ...that "nan" isn't entirely reassuring :-)
>
> Other than that, I gave it a few runs and it seemed OK, but it
> would be helpful if you could give some command lines that would
> constitute a usefully thorough test process.
"tests/rcutorture 10 stress 10" is a pretty good test. Here it gives
something like this:
n_reads: 30374101 n_updates: 232950 n_mberror: 0
rcu_stress_count: 30028631 345470 0 0 0 0 0 0 0 0 0
It will abort if something goes wrong.
Paolo
next prev parent reply other threads:[~2013-05-15 16:19 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-15 15:48 [Qemu-devel] [RFC PATCH 00/12] RCU implementation for QEMU Paolo Bonzini
2013-05-15 15:48 ` [Qemu-devel] [PATCH 01/12] add a header file for atomic operations Paolo Bonzini
2013-05-15 16:11 ` Peter Maydell
2013-05-15 15:48 ` [Qemu-devel] [PATCH 02/12] qemu-thread: add QemuEvent Paolo Bonzini
2013-05-16 10:15 ` Stefan Hajnoczi
2013-05-16 10:49 ` Paolo Bonzini
2013-05-15 15:48 ` [Qemu-devel] [PATCH 03/12] rcu: add rcu library Paolo Bonzini
2013-05-16 11:46 ` Stefan Hajnoczi
2013-05-17 4:36 ` liu ping fan
2013-05-17 7:08 ` liu ping fan
2013-05-17 7:35 ` Paolo Bonzini
2013-05-15 15:48 ` [Qemu-devel] [PATCH 04/12] qemu-thread: register threads with RCU Paolo Bonzini
2013-05-15 15:48 ` [Qemu-devel] [PATCH 05/12] rcu: add call_rcu Paolo Bonzini
2013-05-15 15:48 ` [Qemu-devel] [PATCH 06/12] rcu: add rcutorture Paolo Bonzini
2013-05-15 15:48 ` [Qemu-devel] [PATCH 07/12] rcu: allow nested calls to rcu_thread_offline/rcu_thread_online Paolo Bonzini
2013-05-15 15:48 ` [Qemu-devel] [PATCH 08/12] qemu-thread: report RCU quiescent states Paolo Bonzini
2013-05-16 8:33 ` liu ping fan
2013-05-16 8:43 ` Paolo Bonzini
2013-05-15 15:48 ` [Qemu-devel] [PATCH 09/12] event loop: " Paolo Bonzini
2013-05-15 15:48 ` [Qemu-devel] [PATCH 10/12] cpus: " Paolo Bonzini
2013-05-15 15:48 ` [Qemu-devel] [PATCH 11/12] block: " Paolo Bonzini
2013-05-15 15:48 ` [Qemu-devel] [PATCH 12/12] migration: " Paolo Bonzini
2013-05-15 16:03 ` [Qemu-devel] [RFC PATCH 00/12] RCU implementation for QEMU Peter Maydell
2013-05-15 16:17 ` Paolo Bonzini
2013-05-15 16:16 ` Peter Maydell
2013-05-15 16:19 ` Paolo Bonzini [this message]
2013-05-15 19:28 ` Peter Maydell
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