With E5-2603 CPU IRQs are handled by the one logical core, with E5405 IRQs are balanced across all available logical cores. how i understand it is the kernel issue?
Code:
root@v1:~# more /proc/interrupts
CPU0 CPU1 CPU2 CPU3
0: 165 0 0 0 IR-IO-APIC-edge timer
1: 2 0 0 0 IR-IO-APIC-edge i8042
8: 1 0 0 0 IR-IO-APIC-edge rtc0
9: 2 0 0 0 IR-IO-APIC-fasteoi acpi
12: 4 0 0 0 IR-IO-APIC-edge i8042
16: 121 0 0 0 IR-IO-APIC-fasteoi ehci_hcd:usb1
23: 32 0 0 0 IR-IO-APIC-fasteoi ehci_hcd:usb2
48: 0 0 0 0 DMAR_MSI-edge dmar0
49: 6293 0 0 0 IR-HPET_MSI-edge hpet2
50: 0 0 0 0 IR-HPET_MSI-edge hpet3
51: 0 0 0 0 IR-HPET_MSI-edge hpet4
52: 0 0 0 0 IR-HPET_MSI-edge hpet5
53: 58278029 0 0 0 IR-PCI-MSI-edge megasas
54: 28255083 0 0 0 IR-PCI-MSI-edge megasas
55: 26990291 0 0 0 IR-PCI-MSI-edge megasas
56: 24439044 0 0 0 IR-PCI-MSI-edge megasas
57: 7 0 0 0 IR-PCI-MSI-edge eth2
58: 218055512 0 0 0 IR-PCI-MSI-edge eth2-TxRx-0
59: 1900285264 0 0 0 IR-PCI-MSI-edge eth0-rx-0
60: 1866921877 0 0 0 IR-PCI-MSI-edge eth0-tx-0
61: 33417 0 0 0 IR-PCI-MSI-edge eth0
62: 2687663 0 0 0 IR-PCI-MSI-edge eth1-rx-0
63: 21334 0 0 0 IR-PCI-MSI-edge eth1-tx-0
64: 4 0 0 0 IR-PCI-MSI-edge eth1
65: 7 0 0 0 IR-PCI-MSI-edge eth3
66: 218584153 0 0 0 IR-PCI-MSI-edge eth3-TxRx-0
67: 3 0 0 0 IR-PCI-MSI-edge ioat-msix
68: 3 0 0 0 IR-PCI-MSI-edge ioat-msix
69: 3 0 0 0 IR-PCI-MSI-edge ioat-msix
70: 3 0 0 0 IR-PCI-MSI-edge ioat-msix
71: 3 0 0 0 IR-PCI-MSI-edge ioat-msix
72: 3 0 0 0 IR-PCI-MSI-edge ioat-msix
73: 3 0 0 0 IR-PCI-MSI-edge ioat-msix
74: 3 0 0 0 IR-PCI-MSI-edge ioat-msix
NMI: 470115 407753 372249 339838 Non-maskable interrupts
LOC: 737129259 1196086990 675755536 85656034 Local timer interrupts
SPU: 0 0 0 0 Spurious interrupts
PMI: 470115 407753 372249 339838 Performance monitoring interrupts
........
root@v1:~# more /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 45
model name : Intel(R) Xeon(R) CPU E5-2603 0 @ 1.80GHz
stepping : 7
cpu MHz : 1799.933
cache size : 10240 KB
physical id : 0
siblings : 4
core id : 0
cpu cores : 4
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 13
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aper
fmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes xsave avx lahf_lm arat epb xsaveopt pln pts dts tpr_shadow vnmi flexpriority ept vpid
bogomips : 3599.86
clflush size : 64
cache_alignment : 64
address sizes : 46 bits physical, 48 bits virtual
power management:
pve-manager: 3.0-23 (pve-manager/3.0/957f0862)
running kernel: 2.6.32-22-pve