From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751459AbdJFErU (ORCPT ); Fri, 6 Oct 2017 00:47:20 -0400 Received: from mail.kernel.org ([198.145.29.99]:52586 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750768AbdJFErT (ORCPT ); Fri, 6 Oct 2017 00:47:19 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A3146218BB Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=mhiramat@kernel.org Date: Fri, 6 Oct 2017 13:47:14 +0900 From: Masami Hiramatsu To: Steven Rostedt Cc: Kees Cook , Ingo Molnar , Linus Torvalds , Peter Zijlstra , Alexei Starovoitov , Ananth N Mavinakayanahalli , "Paul E . McKenney" , Thomas Gleixner , LKML , "H . Peter Anvin" , Anil S Keshavamurthy , "David S . Miller" , Ian McDonald , Vlad Yasevich , Stephen Hemminger Subject: Re: [RFC PATCH -tip 0/5] kprobes: Abolish jprobe APIs Message-Id: <20171006134714.c4c5ee5ee5bd7fa09dd4c179@kernel.org> In-Reply-To: <20171005211130.2c0d7987@vmware.local.home> References: <150724519527.5014.10207042218696587159.stgit@devbox> <20171006093252.2ea0e445187feca6cb49d517@kernel.org> <20171005211130.2c0d7987@vmware.local.home> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.31; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 5 Oct 2017 21:11:30 -0400 Steven Rostedt wrote: > On Fri, 6 Oct 2017 09:32:52 +0900 > Masami Hiramatsu wrote: > > > I think using ftrace gives you lower latency, but you need to depend on > > CONFIG_FUNCTION_TRACER instead of CONFIG_KPROBES. > > Which shouldn't be an issue, since all distros now have that enabled. Yeah, so both are good option :) Thanks, -- Masami Hiramatsu