linux-kernel - Re: combine per-cpu trace files

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Message-ID: <20140224083631.192868c0@gandalf.local.home>
Date:	Mon, 24 Feb 2014 08:36:31 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Arend van Spriel <arend@...adcom.com>
Cc:	<linux-kernel@...r.kernel.org>
Subject: Re: combine per-cpu trace files

On Mon, 24 Feb 2014 13:07:50 +0100
Arend van Spriel <arend@...adcom.com> wrote:

> Hi Steven,
> 
> Regarding trace-cmd I have a question about the trace files. While
> debugging an driver issue I had trace-cmd recording driver events on the
> target system until it crashed and I had to power down the machine. Now
> I have three trace-cmd files: trace.dat, trace.cpu1 and trace.cpu2.
> trace-cmd combines the per-cpu files into final trace.dat, but would it
> be possible to do that as a separate post process after a crash/abort.

Yep, if you installed the trace-cmd man pages (make install_doc) then
do a "man trace-cmd-restore"

-- Steve

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