Integrate delay accounting with systemtap?

[Mike Mason]

We can easily add functions to access the task_delay_info values in task_struct.  Would that be sufficient or are you thinking of something more than that?

Mike

Ananth N Mavinakayanahalli wrote:
> Hi,
> 
> The delay accounting infrastructure has been part of the mainline kernel
> for sometime now. From what I've heard from customer-facing people, it
> is a great tool to determine where the performance bottlenecks are.
> 
> See Documentation/accounting/* for more information about this
> infrastructure.
> 
> Combining this feature with the features SystemTap currently provides
> would be a good thing. Would it therefore be possible to add support for
> this infrastructure in SystemTap?
> 
> Ananth