CPU stats missing on older kernels (2.6.32)

[eiiches]

On 2.6.32, lines beginning with "cpu" in /proc/stat only contain 9 columns, instead of 10. E.g.)

cpu  2682230089 18237 468781340 43198021687 27803353 7231 4364336 10837557 0
cpu0 341310678 2226 59056382 5392150561 3515033 910 557972 1368619 0

Log:

2018-12-25T19:04:15.508+09:00 WARN [Procfs Discovery] n.t.j.p.m.a.m.Stat_Cpu [Stat_Cpu.java:26] /proc/stat: unexpected number of columns in line: cpu6 333734497 2273 58248687 5401515746 3466417 880 538602 1190933 0
2018-12-25T19:04:15.508+09:00 WARN [Procfs Discovery] n.t.j.p.m.a.m.Stat_Cpu [Stat_Cpu.java:26] /proc/stat: unexpected number of columns in line: cpu7 332329923 2365 57871305 5403699793 3449252 793 528358 1159376 0