On Thu, Dec 29, 2011 at 1:25 AM, Samuel Thibault <samuel.thiba...@gnu.org> wrote: > [...], but I believe it's still a bit revealing: I had already noticed > that ext2fs spends most of its time in the kernel (like 90%), and it > here seems we're spending a lot of time just managing the ext2fs thread > sleeps (no, there aren't many threads in that test, just two dozen).
Could thread migration [1] maybe help with this? [1] http://www.brynosaurus.com/pub/os/thread-migrate.pdf -- Jérémie Koenig <j...@jk.fr.eu.org> http://jk.fr.eu.org/
