From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 C94121EEA42 for ; Fri, 21 Mar 2025 17:12:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742577174; cv=none; b=rTW2PTbBX+dBWanCF2s8Ak0UM73z690oSaTEaeARsc/a5QuV5zHwTFSVj20kgsxgrXDa0XufGN+xDMVKHX/oYDvqR44E7Oezblr95R9GOVfgxpqS47KThQOuMaIdOmgWneBfDIdgbeqWdYAMgDlbuTEtxxoXOSK601tAzqCTSpI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742577174; c=relaxed/simple; bh=gWUo9mbBRdf1NZz/7I6aUhu04loF9Al21mJsllVHFqc=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=muBqd1e78hLpeN1AeqE0mLhPDYxI7Lga3ijMAiWObqaxIDY9HkwPf1G2UlyD8w54UYv2RGI/dUnbRuUgO0Ff5/FPMxWolQtVC/j++A3++FTsdDI+j6HZqf0za6qEsfqJZBfGdfu0ArOL93f31shEYYx1SKMI5IuHvTqDOzAG54c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 99908C4CEE3; Fri, 21 Mar 2025 17:12:52 +0000 (UTC) Date: Fri, 21 Mar 2025 13:12:48 -0400 From: Steven Rostedt To: Thomas Gleixner Cc: Josh Poimboeuf , x86@kernel.org, linux-kernel@vger.kernel.org, Ingo Molnar , Peter Zijlstra Subject: Re: [PATCH] tracing: Disable branch profiling in noinstr code Message-ID: <20250321131248.02114dd7@batman.local.home> In-Reply-To: <871puq2uop.ffs@tglx> References: <52a664ec9e14ef53c39c3d4fa400c2f1d29348c0.1742537096.git.jpoimboe@kernel.org> <871puq2uop.ffs@tglx> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Fri, 21 Mar 2025 17:51:50 +0100 Thomas Gleixner wrote: > Though the real fix would be to rip out this likely/unlikely tracer > hackery all together. If you want, you could just disable it for all of arch/x86 In my tests, I'm more interested in the generic code anyway. -- Steve