Messages in this thread |  | | | Date | Mon, 2 Nov 2009 19:50:58 -0800 | | From | Greg KH <> | | Subject | Re: [PATCH 1/3] sysfs directory scaling: rbtree for dirent name lookups |
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On Sun, Nov 01, 2009 at 11:31:30AM -0500, Benjamin LaHaise wrote: > Use an rbtree in sysfs_dirent to speed up file lookup times > > Systems with large numbers (tens of thousands and more) of network > interfaces stress the sysfs code in ways that make the linear search for > a name match take far too long. Avoid this by using an rbtree.
What kind of speedups are you seeing here? And do these changes cause a memory increase due to the structure changes which outweigh the speedups?
What kind of test are you doing to reproduce this?
thanks,
greg k-h
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