Re: [PATCH 05/10] AXFS: axfs_profiling.c

Jared Hulbert
2008-08-21T15:17:34Z

> /proc has the same ABI restrictions as sysfs. We more or less stopped
> allowing new files in /proc some 5 years ago for this reason. I didn't
> even read beyond the word /proc to know that what you do here is wrong.
> debugfs is normally easier to use than procfs as well, you just
> define some file_operations with read/write callbacks and call
> debugfs_create_file with the path name below /sys/kernel/debug.

no /proc.
thanks for the explanation.

So /sys/kernel/debug/axfs/volume0 would work?

> 4) no profiling at all
> The profiling code has certainly been useful to you during development,
> and you should keep that code around for your own work on it,
> but maybe you should not push that upstream, because regular users
> are not going to need it.

Nope. Profiling is absolutely fundamental to how AXFS works. Read
the [PATCH 00/10] thread again.