linux-kernel - Re: Unified tracing buffer

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Message-ID: <33307c790809222117w655894ffoce7950fb72b60e3f@mail.gmail.com>
Date:	Mon, 22 Sep 2008 21:17:46 -0700
From:	"Martin Bligh" <mbligh@...gle.com>
To:	"Masami Hiramatsu" <mhiramat@...hat.com>
Cc:	"Steven Rostedt" <rostedt@...dmis.org>,
	"Linus Torvalds" <torvalds@...ux-foundation.org>,
	"Roland Dreier" <rdreier@...co.com>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	"Thomas Gleixner" <tglx@...utronix.de>,
	"Mathieu Desnoyers" <compudj@...stal.dyndns.org>,
	darren@...art.com, "Frank Ch. Eigler" <fche@...hat.com>,
	systemtap-ml <systemtap@...rces.redhat.com>
Subject: Re: Unified tracing buffer

> yes, if event c is an interrupt event :-).
>
>  cpu 0       cpu 1
>            hit event d
> hit event a
> log event a
>            irq event c
>            log event c
> hit event b
> log event b
>            log event d
>
> so, I think if we really need to order events, we have to stop
> irq right after hitting an event.

How could you fix that in any practical way?
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