Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756950Ab0KSBLj (ORCPT ); Thu, 18 Nov 2010 20:11:39 -0500 Received: from smtp-out.google.com ([216.239.44.51]:29781 "EHLO smtp-out.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753708Ab0KSBLi (ORCPT ); Thu, 18 Nov 2010 20:11:38 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=google.com; s=beta; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; b=DSZ/uKb9tL4Bv3u1UApPu+/tAUNBP3ozPoErN1Zce2E8N9ufuPDXOEsG9ILyDJBiaq CALPEkmMBKVTto/mUJeg== MIME-Version: 1.0 In-Reply-To: <1289950335.30543.8.camel@gandalf.stny.rr.com> References: <1287013830.3673.224.camel@frodo> <1289950335.30543.8.camel@gandalf.stny.rr.com> From: Michael Rubin Date: Thu, 18 Nov 2010 17:11:14 -0800 Message-ID: Subject: Re: Benchmarks of kernel tracing options (ftrace and ktrace) To: Steven Rostedt Cc: David Sharp , linux-kernel@vger.kernel.org, Mathieu Desnoyers , Ingo Molnar , Andrew Morton , Frederic Weisbecker Content-Type: text/plain; charset=ISO-8859-1 X-System-Of-Record: true Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 676 Lines: 19 On Tue, Nov 16, 2010 at 3:32 PM, Steven Rostedt wrote: > Mike may have been confused ;-) I am always confused. > I did tell him that some ring buffer improvements did make it into the > kernel. You might want to try the latest mainline again. You told me that you had patches (in 2.6.37) I think that would allow us to specifically improve the syscall tracing performance. Can you point us at em? mrubin -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/