[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] horrible nfs server performance on domU
On Sat, 5 Mar 2005, Tupshin Harper wrote: > > Time to try out whether profiling works in domU, so we can > > figure out exactly where cpu time is being spent. I'm willing > > to help you debug this problem. > > > Great. Let me know of anything I can try. I'm happy to build custom kernels, > try experimental patches, etc. I've never done any kernel profiling, but I'm > happy to give it a shot. If you are referring to CONFIG_OPROFILE, then it > seems that it's not selectable in a xen kernel atm I was referring to standard kernel profiling, booting the domain with "profile=2" as an extra boot option, and looking at the data in /proc/profile with the readprofile tool. -- "Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it." - Brian W. Kernighan ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/xen-devel
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