Subject: Re: Warning from ring buffer code (Was: Re: linux-next: tip tree build warning)

From: Peter Zijlstra <[email-masked]>
Date: Mon, 14 Sep 2009 20:23:41 +0200

On Mon, 2009-09-14 at 14:17 -0400, Steven Rostedt wrote:
> Frederic, how big can one of those events get. The ring buffer (and
> TRACE_EVENT) allow up to almost a page size, which is very hefty for the
> stack. This code needs to either be rewritten or we need to set a limit
> to the size of a profile entry.

Yeah, that needs to get a re-write.. I've complained about this when it
went in.