BFS scheduler weekly status report

John Baldwin jhb at freebsd.org
Mon Jun 6 13:08:52 UTC 2011


On Sunday, June 05, 2011 5:15:20 pm rudo tomori wrote:
> Hi,
> the goal of my project is to implement a BFS - like scheduler into the
> FreeBSD. I started off with the original 4.4BSD code, and by iterative
> modifications I will develop a scheduler that matches the BFS design
> as specified in http://ck.kolivas.org/patches/bfs/sched-BFS.txt.
> 
> Last week I was performing benchmarks using sysbench and make world. I
> tried to minimize disk IO by using tmpfs. You can find more details at
> my project blog site rudot.blog.com
> 
> This week I will continue with running the benchmarks on other hardware.
> 
> After that I will probably continue by changing the mapping of thread
> priorities to a specific priority queue in the global run queue. The
> BFS uses only 1 queue for all time-sharing processes.

Are you not worried about cpuset functionality?

-- 
John Baldwin


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