How to profile the disk io performed through mmaps?

Yuri yuri at rawbw.com
Wed Jul 29 16:49:15 UTC 2009


Stanislav Sedov wrote:
> Yes, it should be possible to monitor files written to via mmapped region
> with EVFILT_VNODE kevents.  Please note, however, that changes to mmapped
> region may be propagated to the files not immediately depending on the
> region attributes.
>   


But is there any command line utility that wraps kqueue functionality or 
I have
to write my own code to do this?

Yuri



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