linux-kernel - Re: How to lock current->signal->tty

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <44DA2528.5010905@sgi.com>
Date:	Wed, 09 Aug 2006 20:10:48 +0200
From:	Jes Sorensen <jes@....com>
To:	"Luck, Tony" <tony.luck@...el.com>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>, linux-kernel@...r.kernel.org
Subject: Re: How to lock current->signal->tty

Luck, Tony wrote:
> On Wed, Aug 09, 2006 at 11:44:10AM +0100, Alan Cox wrote:
>> 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.
> 
> But this does make sense ... the system administrator of a mainframe or
> super-computer can (and arguably should) be monitoring resource
> utilization and providing feedback to users on how to get the best
> performance from their applications.

Actually perfmon would probably be better suited for this on ia64 than
kprobes/systemtap. You can do it on hackish way with a [jk]probe, but it
isn't going to be all that pretty.

> -Tony (currently at 90% rip out this message, 10% add the mutex lock/unlock).

Nuke it!

Jes
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/