tree cad51d5702502d35c714b3a003d000ffe7aae4db
parent c424de75e561b2197d29812b3900db58a06096d7
author Dave Barach <dave@barachs.net> 1559605702 -0400
committer Damjan Marion <dmarion@me.com> 1559653482 +0000

sort worker-thread init functions in advance

Otherwise, all N worker threads try to sort the list at the same time:
a good way to have a bad day.

This approach performs *far* better than maintaing order by adding a
spin-lock. By direct measurement w/ elog + g2: 11 threads execute the
per-thread init function list in 22us, vs. 50ms with a CLIB_PAUSE()
enabled spin-lock.

Change-Id: I1745f2a213c0561260139a60114dcb981e0c64e5
Signed-off-by: Dave Barach <dave@barachs.net>