linux-kernel - Re: [PATCH] trace/page_ref: print out the page migratetype name

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Date:   Thu, 28 Mar 2019 08:56:44 +0800
From:   Huang Shijie <sjhuang@...vatar.ai>
To:     Steven Rostedt <rostedt@...dmis.org>
CC:     <mingo@...hat.com>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] trace/page_ref: print out the page migratetype name

On Wed, Mar 27, 2019 at 09:24:22AM -0400, Steven Rostedt wrote:
> On Wed, 27 Mar 2019 13:09:37 +0800
> Huang Shijie <sjhuang@...vatar.ai> wrote:
> 
> > Print out the page migratetype name which is more readable.
> 
> Except that it breaks perf and trace-cmd, as they wont know what a
> migratetype_names array contains.
> 
> See how writeback does it. Which would be something like this for you.
> 
> /* enums need to be exported to user space */
Thanks for pointing this...

I did not notice that it will breaks the perf and trace-cmd.

So please just ignore this patch.

Thanks
Huang Shijie