From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 278B41855 for ; Fri, 1 Jul 2022 09:02:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=0/2zvonDcE3Fklpe/jarNXLTTDqCN2xFbwhTdVMbRho=; b=F6BYYBOSnF6QrD1t3Oziop62MF 3VjhUBpC4lFaMLIGRMl32DI5uYtwFrEw4YPo0pNH+97ooDPQHISHAb2Ki3OE+1Ogu64u77WvL+z40 Z0iE2A3Mi5/uRafY2WmLrH2BnqfwK7dlX62jnJ5/p6OienKV6ohiEdHTx5wIDURfJDfPX+pOeuF9W TRGCx7RIrvSt2yNnZ2NqghxGdwnsmZRjYeMafZ5vlz5S2yG5aU+b0m9K98+rnyGmkFuxIRHi+ajWT E59zMAcJSXcNZsBPDSjjfb8xC2GzFvRiE9qjOEZEYiklU4yDC1TUn8wL4JjWPVzT7GLMAJk8CAdKb uQAa7hfA==; Received: from dhcp-077-249-017-003.chello.nl ([77.249.17.3] helo=worktop.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1o7CWw-00Fe4k-40; Fri, 01 Jul 2022 09:01:48 +0000 Received: by worktop.programming.kicks-ass.net (Postfix, from userid 1000) id A278F980017; Fri, 1 Jul 2022 11:01:37 +0200 (CEST) Date: Fri, 1 Jul 2022 11:01:37 +0200 From: Peter Zijlstra To: "Jose E. Marchesi" Cc: Ruud van der Pas , Nick Desaulniers , Sami Tolvanen , Bill Wendling , Vladimir Mezentsev , clang-built-linux , LKML , Yonghong Song , Wenlei He , Hongtao Yu , Ingo Molnar , linux-toolchains@vger.kernel.org, elena.zannoni@oracle.com Subject: Re: plumbers session on profiling? Message-ID: References: <87mtf7z0rt.fsf@gnu.org> <6F9E9D93-3913-4022-9384-D809C8EF7715@oracle.com> <878rpgpvfj.fsf@gnu.org> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <878rpgpvfj.fsf@gnu.org> On Tue, Jun 28, 2022 at 07:08:48PM +0200, Jose E. Marchesi wrote: > > [Added linux-toolchains@vger 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.