linux-kernel - Re: Enabling ftrace on ARM MMU-less system

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Message-ID: <CAEOkp44Ee_ncmCTXmoF97M_m_K9Y1q+mQ17jO9cQQYJpnwFSCA@mail.gmail.com>
Date:	Tue, 30 Sep 2014 16:28:53 +0530
From:	Amit Virdi <amitvi128@...il.com>
To:	fweisbec@...il.com, rostedt@...dmis.org, mingo@...hat.com
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Enabling ftrace on ARM MMU-less system

On Tue, Sep 30, 2014 at 4:26 PM, Amit Virdi <amitvi128@...il.com> wrote:
> I'm trying to enable Ftrace on my ARM based MMU-less system.
> Unexpectedly, I don't see tracing directory under /sys/kernel/debug

I forgot to mention that I'm using read-only filesystem (cramfs).
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