From: Mikael Pettersson <mikpe@csd.uu.se>
To: akpm@osdl.org
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH][2.6.7-mm5] perfctr low-level documentation
Date: Sat, 3 Jul 2004 12:28:09 +0200 (MEST) [thread overview]
Message-ID: <200407031028.i63AS9W3018392@harpo.it.uu.se> (raw)
On Fri, 2 Jul 2004 15:44:14 -0700, Andrew Morton wrote:
>Mikael Pettersson <mikpe@csd.uu.se> wrote:
>>
>> I'm
>> considering Christoph Hellwig's suggestion of moving
>> the API back to /proc/<pid>/, but with multiple files
>> and open/read/write/mmap instead of ioctl. I believe I
>> can make that work, but it would take a couple of days
>> to implement properly. Please indicate if you would like
>> this change or not.
>
>What would be the advantages of such a change?
Eliminating the 6 or so new syscalls I was forced
to add when nuking the old ioctl() API.
There would be a /proc/<pid>/<tid>/perfctr/ directory
with files representing the control data, counter
state, general info, and auxiliary control ops.
/Mikael
next reply other threads:[~2004-07-03 10:28 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-03 10:28 Mikael Pettersson [this message]
2004-07-03 10:34 ` Andrew Morton
2004-07-03 14:08 ` small perfctr bug or misunderstanding bert hubert
-- strict thread matches above, loose matches on Subject: below --
2004-07-03 14:56 [PATCH][2.6.7-mm5] perfctr low-level documentation Mikael Pettersson
2004-07-02 19:19 Mikael Pettersson
2004-07-02 22:44 ` Andrew Morton
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