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Date: Mon, 1 Jul 2013 15:35:47 -0700
Message-ID: <CANeycqoq8LwLMoXEYdPE6m9eKVB7pRLw1hkSCjJ=jjDj9ej-Cw@mail.gmail.com>
Subject: Re: [PATCH] x86: Use asm-goto to implement mutex fast path on x86-64
From: Wedson Almeida Filho <wedsonaf@gmail.com>
To: Borislav Petkov <bp@alien8.de>
Cc: Ingo Molnar <mingo@kernel.org>, Ingo Molnar <mingo@redhat.com>,
        Thomas Gleixner <tglx@linutronix.de>, "H. Peter Anvin" <hpa@zytor.com>,
        x86@kernel.org, linux-kernel@vger.kernel.org,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Peter Zijlstra <a.p.zijlstra@chello.nl>
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On Mon, Jul 1, 2013 at 3:28 PM, Borislav Petkov <bp@alien8.de> wrote:
>
> perf stat --repeat 10 -a --sync --pre 'make -s clean; echo 1 > /proc/sys/vm/drop_caches' make -s -j64 bzImage

How many CPUs do you have in your system? Maybe -j64 vs -jNUM_CPUs
affects your measurements as well.
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