Re: [RFC] [Patch 4/6] statistics infrastructure - documentation
From: Martin Peschke
Date: Thu May 18 2006 - 11:24:45 EST
On Wed, 2006-05-17 at 23:33 -0700, Randy.Dunlap wrote:
> On Wed, 17 May 2006 20:54:45 +0200 Martin Peschke wrote:
> > documentation for developers and users
[ snipped ]
Thanks reading carefully. Good catches. I fixed them all.
> > + Why debugfs for now
> > +
> > +While sysfs comes with a refined structure reflecting almost everything
> > +in the system, it is (by design) not good at representing large and variable
> > +amounts of data, that is, more than one value per file. As for statistics,
> > +we could make good use of the former, but not of the latter.
> Why is debugfs not suitable for large & variable amounts of data?
> Please expand/explain.
It might have been confusing that I started off discussing _sysfs_ (and
why it doesn't suit my needs in some regards). Debugfs is fine.
> > + Locating statistics
> > +
> > +The statistics infrastructure's user interface is in the
> > +/sys/kernel/debug/statistics directory, assuming debugfs has been mounted at
> > +/sys/kernel/debug. The "statistics" directory holds interface subdirectories
> > +created on the behalf of exploiters, for example:
> I'm curious:
> Is /sys/kernel/debug a common mount point for debugfs ?
I would think so.
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