Overall CPU usaga capped at 70% for any CPU

Priority-Inheritance Protocol for tasks scheduling

Automatic recovery upon resource exhaustion

high-resolution timers

Earliest-Deadline First for task scheduling

Reliability over than 99.999%

deadlock avoidance for spinlocks in interrupt context

Priority-Ceiling Protocol for tasks scheduling

Preemptible interrupts

Automatic recovery upon execution errors

Automatic task migration when CPU load reaches 70%

ipmitables

eth2tables

arptables

iptables

ip4tables

ebtables

udptables

ip6tables

tcptables

none of them

nftables

static memory

virtual memory with contiguous physical addresses

temporary memory

dynamic memory

out-of-order memory

read-only memory

peripheral memory

virtual memory with contiguous virtual addresses

preemption at some specific places in kernel

no preemption in the kernel except in system calls and interrupt mode

no preemption anywhere in kernel without exception

no preemption in user-space

preemption everywhere in kernel except when in interrupt mode

filesystems

interrupts

USB

network

scheduler

bus drivers

GPU drivers

network drivers

1 second

1 millisecond

1 femtosecond

1 nanosecond

1 picosecond

1 minute

1 microsecond

it depends on the hardware clock

TrueCrypt

BitLocker

eCryptFS

LUKS

File-based

Full disk

iOS

RIOT

MS-DOS

MacOS X

BSD Unix

Linux

Windows 10

wakeup after comparison with the clock tick

none of the above

busy looping for a specific number of clock cycles

wakeup after timer expiration

it depends on the hardware clock