Re: [Qemu-devel] [RFC PATCH 00/12] RCU implementation for QEMU

[Paolo Bonzini]

Il 15/05/2013 18:16, Peter Maydell ha scritto:
> On 15 May 2013 16:48, Paolo Bonzini <address@hidden> 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