Re: [PATCH] trace: Add tracepoints to fs subsystem

[Steven Rostedt]

On Mon, 2011-04-25 at 11:35 +0900, KOSAKI Motohiro wrote:
> > From: Jiaying Zhang <jiayingz@xxxxxxxxxx>
> > 
> > Many fs tracepoints can now be traced via ftrace, however there are a
> > few other tracepoints needed. This patch adds entry and exit tracepoints
> > for a few additional functions, viz.:
> > wait_on_buffer
> > block_write_full_page
> > mpage_readpages
> > file_read
> 
> Zero background description?
> 

Good point.

Could you please describe how this is useful, and how one can benefit
from these tracepoints.

-- Steve



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