On Wed, Dec 10, 2008 at 07:23:36PM +0900, Paul Mundt wrote: > On Wed, Dec 10, 2008 at 11:28:19AM +0100, Andi Kleen wrote: > > > Oprofile has been a pretty bad fit for them, and while I'm slightly more > > > > You could always use a extension of timer mode that reads them > > periodically? > > > This is what I do today, but it is not an ideal solution. It would be > nice if these sorts of use cases could be supported by newer frameworks > without every platform with similar requirements having to implement > workarounds hanging off of the timer IRQ. But you shouldn't hang off the timer irq anyways, but better use a regular timer or hr timer. This would give more regular sampling even with dyntick. And doing such a timer is only a few lines of code, I'm not sure it would buy you all that much to generalize it. -Andi -- ak@xxxxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
