Re: [PATCH 2/4] tracing: add event trace infrastructure

[Mathieu Desnoyers]

* Andrew Morton (akpm@xxxxxxxxxxxxxxxxxxxx) wrote:
> On Tue, 24 Feb 2009 23:08:56 -0500 (EST) Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> 
> > > Gad, what a lot of stuff.
> > > 
> > > Use strncpy_from_user()?
> > > 
> > > Use strstrip()?
> > > 
> > > Why do we care about leading and trailing whitespace - user error!
> > 
> > This is because i want:
> > 
> >  cat available_events > set_event
> > 
> > to work.
> 
> :(
> 
> Why on earth do we keep on putting all these pretty-printers and
> pretty-parsers into the kernel?  I mean, how hard is it for userspace
> to read a text file, do some basic substitutions and print it out again?
> 

... or to read a binary buffer and format it in text, which is much more
efficient... :) If that's the kind of feature you are looking for, you
will probably like this aspect of the LTTng patchset. I should really,
really post it soon.

Mathieu


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Mathieu Desnoyers
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