From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ingo Molnar Subject: Re: [PATCH RFC net-next] tracing: accelerate tracing filters with BPF Date: Wed, 14 May 2014 07:09:58 +0200 Message-ID: <20140514050958.GB9448@gmail.com> References: <1400036111-7803-1-git-send-email-ast@plumgrid.com> <20140513231708.7eb39a38@gandalf.local.home> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Steven Rostedt , "David S. Miller" , Eric Dumazet , Daniel Borkmann , Peter Zijlstra , Arnaldo Carvalho de Melo , Jiri Olsa , Thomas Gleixner , "H. Peter Anvin" , Network Development , LKML To: Alexei Starovoitov Return-path: Received: from mail-ee0-f43.google.com ([74.125.83.43]:65403 "EHLO mail-ee0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750937AbaENFKF (ORCPT ); Wed, 14 May 2014 01:10:05 -0400 Content-Disposition: inline In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: * Alexei Starovoitov wrote: > On Tue, May 13, 2014 at 8:17 PM, Steven Rostedt wrote: > > On Tue, 13 May 2014 19:55:11 -0700 > > Alexei Starovoitov wrote: > > > >> Tracing filters are parsing user supplied character string and constructing > >> a predicate tree. filter_match_preds() was used to walk nodes of the tree to > >> simulate matching of boolean expression. > >> > > > > I applied this on top of net-next, from: > > > > git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git > > (master branch) > > > > and got this compile error: > > Sorry I wasn't clear in the log. > This patch depends on JIT patches that were posted separately. > Since this one is RFC, I didn't want to mix them. > JIT patches: > http://patchwork.ozlabs.org/patch/348558/ > http://patchwork.ozlabs.org/patch/348559/ > http://patchwork.ozlabs.org/patch/348560/ Might make sense for you to get a korg account and stick such bits into Git trees, to ease testing. Thanks, Ingo