$ egrep “^processor|^cpu cores|^core id” /proc/cpuinfo
processor       : 0
core id         : 0
cpu cores       : 1
processor       : 1
core id         : 0
cpu cores       : 1
processor       : 2
core id         : 0
cpu cores       : 1
processor       : 3
core id         : 0
cpu cores       : 1

i.e.

processor = 0 to 3 == total number of cores (4)

cpu cores = 1        == 1 cpu per core.