Re: RFC: m_tag pool cache

[Thomas Klausner <wiz%NetBSD.org@localhost>]

On Fri, Feb 19, 2016 at 06:26:14PM +0900, Kengo NAKAHARA wrote:
> According to my measurements of using DTrace, there is a certain
> overhead between kern_malloc() and pool_cache_get(). Here is each
> function's average turnaround times in my measurement.
> 
>     m_tag_get            | 124205 [ns]
>     kern_malloc          | 108007 [ns]
>     kmem_intr_alloc      |  89636 [ns]
>     pool_cache_get_paddr |  65942 [ns]

For people like me who are new to dtrace, can you please post the
dtrace script you used to measure?

Thanks,
 Thomas