On Tue, Feb 09, 2016 at 03:24:04PM -0800, Chris Leech wrote: > But there may be more straightforward gains to be had in cleaning up the > sysfs code. Every attribute read ends up in sysfs_lookup_devpath_by_subsys_id > which does a bunch of string ops and stats trying to find the device > path. Even keeping the subsystem location general as it is, if we find > things once and remember the path for all the attribute reads it should > help a lot.
On the right track but that still wasn't exactly the big issue. It's the attribute cache. It grows without bounds, and the lookup is just a linear walk through a linked list with a strcmp against each node. - Chris -- You received this message because you are subscribed to the Google Groups "open-iscsi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/open-iscsi. For more options, visit https://groups.google.com/d/optout.
