linux-kernel - Re: [RFC] [PATCH 1/2] binary stream format for /proc/stat

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Message-ID: <CAOPLpQdQFibpWg32D5GxtLkOkhao+c19z635cQxzMepKktD=oA@mail.gmail.com>
Date:	Sat, 31 Mar 2012 15:47:58 -0400
From:	Ulrich Drepper <drepper@...il.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	Linux Kernel <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alexey Dobriyan <adobriyan@...il.com>
Subject: Re: [RFC] [PATCH 1/2] binary stream format for /proc/stat

2012/3/27 KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>:
> Provides another format of /proc/stat for showing data in binary and
> compress sequence of Zeros to some extent.
>
> Any other idea of formats ?

Not for the format.  /proc/stat will likely not be the only file to be
treated like this.  How abou an open() flag O_??? which indicates the
binary format is wanted?  Maybe re-purpose a flag which doesn't have a
meaning on those files (like, for instance, O_DIRECT).  Files which
don't support the format can fail to open with the flag set.  This way
all relevant files can be converted over time.
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