"virt-top -1" doesn't report a correct value for each CPU
Issue
- "virt-top -1" reports the same value for each CPU.
virt-top 13:20:50 - x86_64 8/8CPU 2493MHz 11913MB 5 domains, 4 active, 4 running, 0 sleeping, 0 paused, 1 inactive D:0 O:0 X:0 CPU: 15.2% Mem: 3584 MB (3584 MB by guests) PHYCPU %CPU KT-TEST2 RHEL60-SS13 KT-RHEL5 KT-TEST1 0 11.0 0.5= 10.1= 0.4= 0.0=# 1 11.0 0.5= 10.1= 0.4= 0.0= 2 11.0 0.5= 10.1= 0.4=# 0.0= 3 11.0 0.5=# 10.1= 0.4= 0.0= 4 11.0 0.5= 10.1=# 0.4= 0.0= 5 11.0 0.5= 10.1= 0.4= 0.0= 6 11.0 0.5= 10.1= 0.4= 0.0= 7 11.0 0.5= 10.1= 0.4= 0.0= - A values of %CPU is all 11.0 for each CPU[0-7].
- %guest reported by mpstat indicates a stats of virtualized domains as to physical CPU.
- Let's see a mpstat's report.
# mpstat -u -P ALL 1 100 Linux 2.6.32-70.el6.x86_64 (shiro-kumarl) 09/10/10 _x86_64_ (8 CPU) ... 14:02:49 CPU %usr %nice %sys %iowait %irq %soft %steal %guest %idle 14:02:50 all 6.53 0.00 10.47 0.49 0.00 0.12 0.00 10.22 72.17 14:02:50 0 8.74 0.00 13.59 0.97 0.00 0.00 0.00 6.80 69.90 14:02:50 1 6.00 0.00 4.00 1.00 0.00 0.00 0.00 3.00 86.00 14:02:50 2 9.71 0.00 11.65 0.00 0.00 0.00 0.00 13.59 65.05 14:02:50 3 7.92 0.00 6.93 0.00 0.00 0.99 0.00 7.92 76.24 14:02:50 4 3.85 0.00 15.38 0.00 0.00 0.00 0.00 18.27 62.50 14:02:50 5 4.95 0.00 13.86 0.99 0.00 0.00 0.00 17.82 62.38 14:02:50 6 5.83 0.00 10.68 0.97 0.00 0.00 0.00 7.77 74.76 14:02:50 7 5.26 0.00 6.32 0.00 0.00 0.00 0.00 6.32 82.11 ... - virt-top says that each CPU is being used quite evenly, but mpstat doesn't.
Environment
- Red Hat Enterprise Linux 6
- virt-top-1.0.4-3.1.el6.x86_64
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