linux-kernel - Re: plumbers session on profiling?

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Message-ID: <Yr638aOIaaEBPICy@worktop.programming.kicks-ass.net>
Date:   Fri, 1 Jul 2022 11:01:37 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     "Jose E. Marchesi" <jemarch@....org>
Cc:     Ruud van der Pas <ruud.vanderpas@...cle.com>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Sami Tolvanen <samitolvanen@...gle.com>,
        Bill Wendling <morbo@...gle.com>,
        Vladimir Mezentsev <vladimir.mezentsev@...cle.com>,
        clang-built-linux <llvm@...ts.linux.dev>,
        LKML <linux-kernel@...r.kernel.org>, Yonghong Song <yhs@...com>,
        Wenlei He <wenlei@...com>, Hongtao Yu <hoy@...com>,
        Ingo Molnar <mingo@...nel.org>,
        linux-toolchains@...r.kernel.org, elena.zannoni@...cle.com
Subject: Re: plumbers session on profiling?

On Tue, Jun 28, 2022 at 07:08:48PM +0200, Jose E. Marchesi wrote:
> 
> [Added linux-toolchains@...r in CC]
> 
> It would be interesting to have some discussion in the Toolchains track
> on building the kernel with PGO/FDO.  I have seen a raise on interest on
> the topic in several companies, but it would make very little sense if
> no kernel hacker is interested in participating... anybody?

I know there's been a lot of work in this area, but none of it seems to
have trickled down to be easy enough for me to use it.