That leads to the issue, that only 1 CPU is online:
root@host:/sys/devices/system/cpu# cat online
0
root@host:/sys/devices/system/cpu# cat offline
1-3
root@host:~# uname -r
4.10.3-sun8i
root@host:~# cat /proc/cpuinfo
processor : 0
model name : ARMv7 Processor rev 5 (v7l)
BogoMIPS : 22.85
Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae evtstrm
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x0
CPU part : 0xc07
CPU revision : 5
Hardware : Allwinner sun8i Family
Revision : 0000
Serial : 02c00081090904b5
root@host:~# dmesg | fgrep CPU
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7), cr=50c5387d
[ 0.000000] CPU: div instructions available: patching division code
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
[ 0.002023] CPU: Testing write buffer coherency: ok
[ 0.002366] CPU0: update cpu_capacity 1024
[ 0.002389] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[ 0.003476] smp: Bringing up secondary CPUs ...
[ 0.004621] smp: Brought up 1 node, 1 CPU
[ 0.004667] CPU: All CPU(s) started in SVC mode.
[ 5.105898] ledtrig-cpu: registered to indicate activity on CPUs
root@host:~# lscpu
Architecture: armv7l
Byte Order: Little Endian
CPU(s): 4
On-line CPU(s) list: 0
Off-line CPU(s) list: 1-3
Thread(s) per core: 1
Core(s) per socket: 1
Socket(s): 1
Model name: ARMv7 Processor rev 5 (v7l)
CPU max MHz: 1368.0000
CPU min MHz: 120.0000