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

Jes Sorensen
2006-08-09T18:09:28Z

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