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 07:09:05 +0200 Message-ID: <20140514050905.GA9448@gmail.com> References: <1400036111-7803-1-git-send-email-ast@plumgrid.com> <20140513230713.1cc7db94@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 , Grant Likely To: Alexei Starovoitov Return-path: Received: from mail-ee0-f41.google.com ([74.125.83.41]:35649 "EHLO mail-ee0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750981AbaENFJM (ORCPT ); Wed, 14 May 2014 01:09:12 -0400 Content-Disposition: inline In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: * Alexei Starovoitov wrote: > On Tue, May 13, 2014 at 8:07 PM, Steven Rostedt wrote: > > On Tue, 13 May 2014 19:55:11 -0700 > > Alexei Starovoitov wrote: > > > >> --- a/kernel/trace/Kconfig > >> +++ b/kernel/trace/Kconfig > >> @@ -79,6 +79,7 @@ config FTRACE_NMI_ENTER > >> default y > >> > >> config EVENT_TRACING > >> + depends on NET > >> select CONTEXT_SWITCH_TRACER > >> bool > >> > > > > This part makes me a little nervous. I know a lot of embedded devices > > depend on tracing, but do they all have network? > > I think we may want to split BPF into its own config, since it doesn't > really depend on anything in net. Exactly, that's a good plan. Thanks, Ingo