Date: Sat, 7 Mar 2009 23:53:46 +0900 (JST)
From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: prasad@linux.vnet.ibm.com
Subject: Re: [Patch 11/11] ftrace plugin for kernel symbol tracing using HW Breakpoint interfaces - v2
Cc: kosaki.motohiro@jp.fujitsu.com, mingo@elte.hu,
       Andrew Morton <akpm@linux-foundation.org>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       Alan Stern <stern@rowland.harvard.edu>,
       Roland McGrath <roland@redhat.com>
In-Reply-To: <20090307050747.GL23959@in.ibm.com>
References: <20090307045120.039324630@linux.vnet.ibm.com> <20090307050747.GL23959@in.ibm.com>
Message-Id: <20090307222955.25A7.A69D9226@jp.fujitsu.com>
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Hi

> This patch adds an ftrace plugin to detect and profile memory access over
> kernel variables. It uses HW Breakpoint interfaces to 'watch memory
> addresses.
> 
> Signed-off-by: K.Prasad <prasad@linux.vnet.ibm.com> 
> ---
>  kernel/trace/Kconfig          |    6 
>  kernel/trace/Makefile         |    1 
>  kernel/trace/trace.h          |   16 +
>  kernel/trace/trace_ksym.c     |  448 ++++++++++++++++++++++++++++++++++++++++++
>  kernel/trace/trace_selftest.c |   36 +++
>  5 files changed, 507 insertions(+)

Could you please update Documentation/ftrace.txt?
I guess many user interesting this patch. :)


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