Blog MPStat Output

mpstat_output

11:11:48 PM  CPU    %usr   %nice    %sys %iowait    %irq   %soft  %steal  %guest   %idle
11:11:49 PM  all    6.38    0.00   19.15    0.00    0.00   12.41    2.84    0.00   59.22
11:11:49 PM    0   15.24    0.00   41.90    0.00    0.00   33.33    0.95    0.00    8.57
11:11:49 PM    1    1.70    0.00    5.68    0.00    0.00    0.00    3.41    0.00   89.20

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12:14:40 AM  CPU    %usr   %nice    %sys %iowait    %irq   %soft  %steal  %guest   %idle
12:14:43 AM  all    5.93    0.00   13.92    0.11    0.00    6.69    0.27    0.00   73.09
12:14:43 AM    0   19.87    0.00   38.41    0.00    0.00   41.06    0.00    0.00    0.66
12:14:43 AM    1    3.58    0.00    7.55    0.00    0.00    0.00    0.38    0.00   88.49
12:14:43 AM    2    2.33    0.00   11.87    0.00    0.00    0.00    0.39    0.00   85.41
12:14:43 AM    3    3.74    0.00    8.07    0.39    0.00    0.00    0.20    0.00   87.60

proc interrupts showing cpu0 taking all hard interrupts for eth0

cat /proc/interrupts 
           CPU0       CPU1       
270:  918329692          0   xen-dyn-event     eth0
271:        104          0   xen-dyn-event     blkif
272:    1941293          0   xen-dyn-event     blkif
273:       7636    2605252   xen-dyn-event     blkif
274:        578          0   xen-dyn-event   
275:        557          0   xen-dyn-event     xenbus
276:          0  273918446  xen-percpu-ipi       callfuncsingle1
277:          0          0  xen-percpu-virq      debug1
278:          0          0  xen-percpu-ipi       callfunc1
279:          0  909261386  xen-percpu-ipi       resched1
280:          0    9327125  xen-percpu-ipi       spinlock1
281:          0  276019128  xen-percpu-virq      timer1
282:      97793          0  xen-percpu-ipi       callfuncsingle0
283:          0          0  xen-percpu-virq      debug0
284:          0          0  xen-percpu-ipi       callfunc0
285:    7776188          0  xen-percpu-ipi       resched0
286:   32263449          0  xen-percpu-ipi       spinlock0
287: 1028663455          0  xen-percpu-virq      timer0
NMI:          0          0   Non-maskable interrupts
LOC:          0          0   Local timer interrupts
SPU:          0          0   Spurious interrupts
PMI:          0          0   Performance monitoring interrupts
IWI:          0          0   IRQ work interrupts
RES:    7776188  909261386   Rescheduling interrupts
CAL:      97793  273918446   Function call interrupts
TLB:          0          0   TLB shootdowns
TRM:          0          0   Thermal event interrupts
THR:          0          0   Threshold APIC interrupts
MCE:          0          0   Machine check exceptions
MCP:          0          0   Machine check polls
ERR:          0
MIS:          0