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Date: Tue, 15 Dec 2015 14:57:27 +0100
From: Peter Zijlstra <peterz@infradead.org>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: Ingo Molnar <mingo@redhat.com>, Arnaldo Carvalho de Melo <acme@kernel.org>,
        LKML <linux-kernel@vger.kernel.org>,
        syzkaller <syzkaller@googlegroups.com>,
        Kostya Serebryany <kcc@google.com>,
        Alexander Potapenko <glider@google.com>,
        Sasha Levin <sasha.levin@oracle.com>,
        Eric Dumazet <edumazet@google.com>
Subject: Re: perf: stalls in perf_install_in_context/perf_remove_from_context
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On Tue, Dec 15, 2015 at 02:44:43PM +0100, Dmitry Vyukov wrote:
> Note that the test uses cpu%4 because I have 4 cpus. Here is how I
> start qemu: -numa node,nodeid=0,cpus=0-1 -numa node,nodeid=1,cpus=2-3
> -smp sockets=2,cores=2,threads=1

I'll first try on real hardware. I distrust this virt muck :-)