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Date: Wed, 17 Nov 2010 14:00:39 -0500
Message-ID: <AANLkTi=1zYp7NsWy36Tg5Hwz4h0co3mMgeYAWZ4HasZo@mail.gmail.com>
Subject: Re: [ANNOUNCE] New utility: 'trace'
From: Bob Copeland <me@bobcopeland.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: "Ted Ts'o" <tytso@mit.edu>, Thomas Gleixner <tglx@linutronix.de>,
        LKML <linux-kernel@vger.kernel.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Andrew Morton <akpm@linux-foundation.org>, Ingo Molnar <mingo@elte.hu>,
        Peter Zijlstra <peterz@infradead.org>,
        Arjan van de Ven <arjan@infradead.org>,
        Arnaldo Carvalho de Melo <acme@redhat.com>,
        Frederic Weisbecker <fweisbec@gmail.com>,
        Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
        Tom Zanussi <tzanussi@gmail.com>,
        Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
        Li Zefan <lizf@cn.fujitsu.com>, Jason Baron <jbaron@redhat.com>,
        "David S. Miller" <davem@davemloft.net>,
        Christoph Hellwig <hch@lst.de>, Pekka Enberg <penberg@kernel.org>,
        Lai Jiangshan <laijs@cn.fujitsu.com>,
        Eric Dumazet <eric.dumazet@gmail.com>
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On Tue, Nov 16, 2010 at 10:34 PM, Steven Rostedt <rostedt@goodmis.org> wrote:
> (*) Currently in trace-cmd I have plugins. These plugins are simple
> functions to read events and either output better displays of the event
> or do something special (Avi wrote some for his kvm events).

We also use this for debugging some wireless drivers.  The (unstable)
raw events can capture entire packets and produce psuedo-pcap files with
a plugin so we can compare what we thought went over the air versus what
actually did, and correlate them with api-level tracepoints in upper
layers.  It's perhaps a bit of a bending of the infrastructure, but one
that has been helpful.

-- 
Bob Copeland %% www.bobcopeland.com
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