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From: "Jared Hulbert" <jaredeh@gmail.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: "David Woodhouse" <dwmw2@infradead.org>,
	carsteno@de.ibm.com, Linux-kernel@vger.kernel.org,
	linux-embedded@vger.kernel.org,
	linux-mtd <linux-mtd@lists.infradead.org>,
	"Jörn Engel" <joern@logfs.org>
Subject: Re: [PATCH 05/10] AXFS: axfs_profiling.c
Date: Thu, 21 Aug 2008 08:17:21 -0700	[thread overview]
Message-ID: <6934efce0808210817h489bbeafyaf27217ca68bd31e@mail.gmail.com> (raw)
In-Reply-To: <200808211706.37761.arnd@arndb.de>

> /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.

  reply	other threads:[~2008-08-21 15:17 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-21  5:45 [PATCH 05/10] AXFS: axfs_profiling.c Jared Hulbert
2008-08-21  8:44 ` Carsten Otte
2008-08-21  8:49   ` David Woodhouse
2008-08-21 10:20     ` Carsten Otte
2008-08-21 11:39     ` Arnd Bergmann
2008-08-21 14:55       ` Jared Hulbert
2008-08-21 15:06         ` Arnd Bergmann
2008-08-21 15:17           ` Jared Hulbert [this message]
2008-08-21 15:50             ` Arnd Bergmann
2008-08-22  7:26             ` Carsten Otte
2008-08-21 15:18           ` Geert Uytterhoeven
2008-08-22 20:37         ` Arnd Bergmann
     [not found] ` <200808221840.39206.arnd@arndb.de>
     [not found]   ` <6934efce0808221037u4548dd00q9ccd67545bfbcc8@mail.gmail.com>
2008-08-22 19:38     ` Arnd Bergmann

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