linux-kernel - Re: [PATCH 0/2] x86: Remove ideal

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Message-ID: <20210315172337.GH20497@zn.tnic>
Date:   Mon, 15 Mar 2021 18:23:37 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Sedat Dilek <sedat.dilek@...il.com>
Cc:     Peter Zijlstra <peterz@...radead.org>, x86@...nel.org,
        rostedt@...dmis.org, hpa@...or.com, torvalds@...uxfoundation.org,
        linux-kernel@...r.kernel.org, linux-toolchains@...r.kernel.org,
        jpoimboe@...hat.com, alexei.starovoitov@...il.com,
        mhiramat@...nel.org
Subject: Re: [PATCH 0/2] x86: Remove ideal_nops[]

On Mon, Mar 15, 2021 at 06:19:34PM +0100, Sedat Dilek wrote:
> With my next build I try to apply this.

Your perf tool command should look something like this:

perf stat --repeat 5 --sync --pre=/root/bin/pre-build-kernel.sh -- make -s -j9 LLVM=1 LLVM_IAS=1 bzImage

Also, needless to say, your box needs to not run anything else during
the measurement.

Thx.

-- 
Regards/Gruss,
    Boris.

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