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Date: Tue, 30 Sep 2014 16:28:53 +0530
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Subject: Re: Enabling ftrace on ARM MMU-less system
From: Amit Virdi <amitvi128@gmail.com>
To: fweisbec@gmail.com, rostedt@goodmis.org, mingo@redhat.com
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On Tue, Sep 30, 2014 at 4:26 PM, Amit Virdi <amitvi128@gmail.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).