Re: Proper kernel irq time accounting -v4

Shaun Ruffell
2010-10-14T16:42:26Z

On 10/04/2010 07:03 PM, Venkatesh Pallipadi wrote:
> Solution to (1) involves adding extra timing on irq entry/exit to
> get the fine granularity info and then exporting it to user.
> The following patchset addresses this problem in a way similar to [2][3].
> Keeps most of the code that does the timing generic
> (CONFIG_IRQ_TIME_ACCOUNTING), based off of sched_clock(). And adds support for
> this in x86. This time is not yet exported to userspace yet. Patch for that
> coming soon.
>

Would you be willing to share your thoughts on how you plan to export
this information to userspace?

I applied this set to one of my machines in hopes of seeing more
accurate hi time before I noticed that in the quoted paragraph you said
this is still forthcoming.

Thanks,
Shaun