为什么docker stats CPU百分比大于100倍核心数

我有一个带2个内核的Azure VM。根据我的理解，如果使用多个内核，由docker stats返回的CPU百分比可以大于100％。所以，这个虚拟机的这个值应该是200％。不过，我得到这样的结果与CPU％大于1000％为什么docker stats CPU百分比大于100倍核心数

CONTAINER   CPU %    MEM USAGE/LIMIT  MEM %    NET I/O    BLOCK I/O    PIDS 
545d4c69028f  3.54%    94.39 MiB/6.803 GiB 1.35%    3.36 MB/1.442 MB 1.565 MB/5.673 MB 6 
008893e3f70c  625.00%    191.3 MiB/6.803 GiB 2.75%    0 B/0 B    0 B/24.58 kB  35 
f49c94dc4567  0.10%    46.85 MiB/6.803 GiB 0.67%    2.614 MB/5.01 MB 61.44 kB/0 B  31 
08415d81c355  0.00%    28.76 MiB/6.803 GiB 0.41%    619.1 kB/3.701 MB 0 B/0 B    11 
03f54d35a5f8  1.04%    136.5 MiB/6.803 GiB 1.96%    83.94 MB/7.721 MB 0 B/0 B    22 
f92faa7321d8  0.15%    19.29 MiB/6.803 GiB 0.28%    552.5 kB/758.6 kB 0 B/2.798 MB  7 
2f4a27cc3e44  0.07%    303.8 MiB/6.803 GiB 4.36%    32.52 MB/20.27 MB 2.195 MB/0 B  11 
ac96bc45044a  0.00%    19.34 MiB/6.803 GiB 0.28%    37.28 kB/12.76 kB 0 B/3.633 MB  7 
7c1a45e92f52  2.20%    356.9 MiB/6.803 GiB 5.12%    86.36 MB/156.2 MB 806.9 kB/0 B  16 
0bc4f319b721  14.98%    101.8 MiB/6.803 GiB 1.46%    138.1 MB/64.33 MB 0 B/73.74 MB  75 
66aa24598d27  2269.46%   1.269 GiB/6.803 GiB 18.65%    1.102 GB/256.4 MB 14.34 MB/3.412 MB 50

我可以确认，只有两个核心：

$ grep -c ^processor /proc/cpuinfo 
2

的lshw -short输出也被迷惑了我：

H/W path  Device   Class  Description 
===================================================== 
           system  Virtual Machine 
/0        bus  Virtual Machine 
/0/0       memory  64KiB BIOS 
/0/5       processor Intel(R) Xeon(R) CPU E5-2673 v3 @ 2.40GHz 
/0/6       processor Xeon (None) 
/0/7       processor (None) 
/0/8       processor (None) 
/0/9       processor (None) 
/0/a       processor (None) 
/0/b       processor (None) 
/0/c       processor (None) 
/0/d       processor (None) 
/0/e       processor (None) 
/0/f       processor (None) 
/0/10       processor (None) 
...

与超过50个处理器上市

来源

2016-11-28 jaredcnance