On Sat, 23 Feb 2008 16:54:49 +0200 "Pekka Enberg" <email@example.com> wrote:
oprofile uses register_timer_hook() for its oh-crap-nothing-else-works
fallback iirc. It's a useful fallback: I used it a few centuries ago on
some el-cheapo VIA CPU-based thing we had at Digeo.
It's unclear to me whether all this stuff works with NO_HZ=y, btw. Didn't
we just lose the regular timer interrupts which these clients depend upon?