From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Jes Sorensen <jes@sgi.com>
Cc: "Luck, Tony" <tony.luck@intel.com>, linux-kernel@vger.kernel.org
Subject: Re: How to lock current->signal->tty
Date: Wed, 09 Aug 2006 11:44:10 +0100 [thread overview]
Message-ID: <1155120250.5729.146.camel@localhost.localdomain> (raw)
In-Reply-To: <yq0u04mtjni.fsf@jaguar.mkp.net>
Ar Mer, 2006-08-09 am 04:09 -0400, ysgrifennodd Jes Sorensen:
> Personally I don't like the current approach. However, I believe the
> philosophy behind it is that users rarely look in dmesg and they
> should be notified (and beaten with a stick) when their badly written
> app spawns unaligned accesses which end up being emulated by the
> kernel.
The users won't seem the anyway, they are hidden behind the GUI.
> These messages are normally caused by userland code, so kprobes
> probably wont do much good :)
Jes, read up on kprobes a little if you think its of no use in these
kind of situations. A systemtap script to count/measure alignment fault
rates and see who is causing the load isn't very hard to write.
Alan
next prev parent reply other threads:[~2006-08-09 10:24 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-08 15:17 Alan Cox
2006-08-08 15:10 ` Arjan van de Ven
2006-08-08 15:44 ` Alan Cox
2006-08-08 16:41 ` Luck, Tony
2006-08-08 17:50 ` Alan Cox
2006-08-09 8:09 ` Jes Sorensen
2006-08-09 10:44 ` Alan Cox [this message]
2006-08-09 11:26 ` Jes Sorensen
2006-08-09 16:24 ` Luck, Tony
2006-08-09 18:10 ` Jes Sorensen
2006-08-08 22:06 ` Jan Kara
2006-08-08 17:11 ` Stephen Smalley
2006-08-08 17:43 ` Alan Cox
2006-08-08 17:44 ` Stephen Smalley
2006-08-08 18:10 ` Alan Cox
2006-08-08 20:02 ` Stephen Smalley
2006-08-13 21:34 ` Jan Kara
2006-08-09 4:01 Albert Cahalan
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