> Kai, if you see that S4OS is slower, it is probably a bug
> that have to be
> fixed in swsusp.
There does seem to be a problem with the rw_swap_page_sync routine. Perhaps
not on Pavel's machine (:>), but I've experienced painfully slow suspends
too. Performance was helped immensely by applying a concept that I'll credit
Lyle Seaman for - unrolling rw_swap_page_sync and submitting all the IO for
pages then looping again and waiting on each sync. I found with writing 7000
or so pages (a suspend from init S) that something gets triggered to force
the sync about every 3900 pages anyway.
Regards,
Nigel
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This archive was generated by hypermail 2b29 : Mon Dec 23 2002 - 22:00:20 EST