On 20/11/2014 18:19, Paul wrote:
[]
Because the HZ in NO_HZ leads you to the wrong conclusion.
NO_HZ means/meant don't deliver timer/preemption interrupts to idle or
single process cpus when there are multiple cpus. The boot cpu always uses
HZ_NNN, the other cpus (if there are any -- there aren't on my quasi-i486
box) may or may not depending on process contention. NO_HZ_IDLE is more
suggestive.
OK, sort of. As the Raspberry Pi is a single-core CPU, does that mean
that it can never be tickless?
--
Cheers,
David
Web: http://www.satsignal.eu
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