Re: [ProbableSpam] Re: [RFC, PATCH 0/5] Going forward withResource Management - A cpu controller

From: Rohit Seth
Date: Mon Aug 07 2006 - 14:19:26 EST

On Mon, 2006-08-07 at 10:15 -0700, Paul Jackson wrote:
> > we have a /proc which is very convenient for use from shell etc. but
> > is not good for applications, not fast enough etc.
> > moreover, /proc had always problems with locking, races and people tend to
> > feel like they can change text presention of data, while applications parsing
> > it tend to break.
> Yes - one can botch a file system API.
> One can botch syscalls, too. Do you love 'ioctl'?
> For some calls, the performance of a raw syscall is critical. And
> eventually, filesystem API's must resolve to raw file i/o syscalls.
> But for these sorts of system configuration and management, the
> difference in performance between file system API's and raw syscall
> API's is not one of the decisive issues that determines success or
> failure.
> Getting a decent API that naturally reflects the long term essential
> shape of the data is one of these decisive issues.

Absolutely. Performance is really not a key here. Setting-up (or
Tearing down) these operations shouldn't be that frequent. Configfs
(or proc) should be able to handle those.


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at