Messages in this thread | | | Date | Sat, 06 Sep 2003 17:28:22 +1000 | From | Nick Piggin <> | Subject | Re: Plans for better performance metrics in upcoming kernels? |
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Scott Chapman wrote:
>Hi, >I'm wondering what the plans are for more accurate and more useful performance >metrics in upcoming kernels. > >CPU Utilization by process is apparently a known-inaccuracy. >
This could be improved using Ingo's nanosecond scheduler patch.
> >There are no disk I/O metrics per process. >
This is now quite easy with per process IO contexts.
> >CPU Queue Length doesn't appear to be available? >
It wouldn't be difficult.
> >Etc. > >Linux clearly falls behind the competition in this area. It makes it rather >tough to do system performance analysis on a Linux box! :-) > >Is there a plan to deal with these issues? ETA's? > >
Thinks are worked on depending on demand, and interest. I think a lot of people are put of doing good kernel metrics due to lack of good extensible userspace tools, and maybe a lack of standard ways to do the exporting.
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