Re: [-mm] Add an owner to the mm_struct (v8)

[Paul Menage]

On Tue, Apr 8, 2008 at 12:05 AM, Balbir Singh <balbir@xxxxxxxxxxxxxxxxxx> wrote:
>
> Paul Menage wrote:
>  > On Mon, Apr 7, 2008 at 11:52 PM, Balbir Singh <balbir@xxxxxxxxxxxxxxxxxx> wrote:
>  >>  I agree, but like I said earlier, this was the easily available ready made
>  >>  application I found. Do you know of any other highly threaded micro benchmark?
>  >>
>  >
>  > How about a simple program that creates N threads that just sleep,
>  > then has the main thread exit?
>  >
>
>  That is not really representative of anything. I have that program handy. How do
>  we measure the impact on throughput?

It's very representative of how much additional overhead in terms of
mm->owner churn there is in a large multi-threaded application
exiting, which is the thing that you're trying to optimize with the
delayed thread group leader checks.

Paul
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