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From:   Lecopzer Chen <lecopzer.chen@mediatek.com>
To:     <mhiramat@kernel.org>
CC:     <linux-kernel@vger.kernel.org>, <linux-doc@vger.kernel.org>,
        <corbet@lwn.net>, <srv_heupstream@mediatek.com>,
        <yj.chiang@mediatek.com>,
        Lecopzer Chen <lecopzer.chen@mediatek.com>
Subject: RE: [PATCH] Documentation: {u,k}probes: add tracing_on before tracing
Date:   Fri, 10 May 2019 12:19:49 +0800
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>> From: Lecopzer Chen <lecopzer.chen@mediatek.com>
>> 
>> After following the document step by step, the `cat trace` can't be
>> worked without enabling tracing_on and might mislead newbies about
>> the functionality.

> OK, but isn't tracing_on enabled by default?

Yes, but it may be disabled by some distros' init process.


> Anyway, it looks good to me (for making sure the trace is enabled).

> Acked-by: Masami Hiramatsu <mhiramat@kernel.org>

> Thanks!

Thanks a lots for your reply!