Re: [PATCH] v3 rudimentary tracing for Classic RCU

[Lai Jiangshan]

Paul E. McKenney wrote:

> Ported to 2.6.27 to ease testing, and fixed up the formatting a bit.
> I remember quickly scanning through one-line-per-CPU data to find
> problems with rcutree.c, but the expanded names are quite nice -- I
> had to brutally abbreviate to fit each CPU on a single line.
> And I agree that seqfile does work nicely for this.
> 
> I am strongly tempted to suggest CSV format output with headers to
> allow the data to be pulled into gnumeric or oocalc -- this would
> make handling large numbers of CPUs much easier.  (Quickly donning
> the asbestos suit with titanium pinstripes...)
> 
> 							Thanx, Paul
> 
> 

Hi, Paul,
	My patch is like an example, you do not need keep the
codes that I have wrote. you can rewrite all of it. these files
are only accessed by RCU guys, not users. and some file in /proc
is very simple but easy to be read: /proc/stat, /proc/loadavg.

			Thanx, Lai.


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