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From: Ingo Molnar <mingo@kernel.org>
To: Alexei Starovoitov <ast@plumgrid.com>
Cc: Steven Rostedt <rostedt@goodmis.org>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Daniel Borkmann <dborkman@redhat.com>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Arnaldo Carvalho de Melo <acme@infradead.org>,
	Jiri Olsa <jolsa@redhat.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Network Development <netdev@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH RFC net-next] tracing: accelerate tracing filters with BPF
Date: Wed, 14 May 2014 07:09:58 +0200	[thread overview]
Message-ID: <20140514050958.GB9448@gmail.com> (raw)
In-Reply-To: <CAMEtUuzct=k_9f4QTqRf2TG6mFCjpnfTjo+JkHYQDHKj_i2b+A@mail.gmail.com>


* Alexei Starovoitov <ast@plumgrid.com> wrote:

> On Tue, May 13, 2014 at 8:17 PM, Steven Rostedt <rostedt@goodmis.org> wrote:
> > On Tue, 13 May 2014 19:55:11 -0700
> > Alexei Starovoitov <ast@plumgrid.com> 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

  reply	other threads:[~2014-05-14  5:10 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-14  2:55 [PATCH RFC net-next] tracing: accelerate tracing filters with BPF Alexei Starovoitov
2014-05-14  3:07 ` Steven Rostedt
2014-05-14  3:26   ` Alexei Starovoitov
2014-05-14  5:09     ` Ingo Molnar
2014-05-14  3:17 ` Steven Rostedt
2014-05-14  3:29   ` Alexei Starovoitov
2014-05-14  5:09     ` Ingo Molnar [this message]
2014-05-15  5:19       ` Alexei Starovoitov

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