udev performance

[Harald Hoyer]

Jakub Jelinek schrieb:
> On Wed, Sep 12, 2007 at 10:57:16AM +0200, Harald Hoyer wrote:
>> udev linked with libmodprobe.so, reading the config only once and having 
>> the above search tables in memory, would be the fastest solution.
> 
> No.  If they are just read, rather than preparing hash table for
> modules.dep and search tree for modules.alias, then you just avoid
> the cost of reading it many times, but still spend the significant
> time parsing the data to find what you are looking for.
> 
> 	Jakub
> 

And that data parsing time can also be reduced by collecting the unresolvable modaliases at depmod time.
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