1 [root@zone3-pc124 bin]# ./perf kvm stat report
2
3
4 Analyze events for all VMs, all VCPUs:
5
6 VM-EXIT Samples Samples% Time% Min Time Max Time Avg time
7
8 IO_INSTRUCTION 6543 48.47% 0.90% 10.36us 1032.97us 26.82us ( +- 0.85% )
9 EXCEPTION_NMI 1655 12.26% 0.06% 4.00us 23.59us 6.59us ( +- 0.42% )
10 APIC_ACCESS 1357 10.05% 0.04% 2.51us 26.12us 5.16us ( +- 1.13% )
11 HLT 1269 9.40% 98.94% 2.58us 15962.56us 15250.94us ( +- 0.26% )
12 PREEMPTION_TIMER 1269 9.40% 0.01% 1.80us 37.28us 2.18us ( +- 1.39% )
13 EPT_VIOLATION 903 6.69% 0.05% 5.12us 62.97us 10.69us ( +- 2.22% )
14 EXTERNAL_INTERRUPT 482 3.57% 0.01% 1.55us 41.16us 3.92us ( +- 4.03% )
15 TPR_BELOW_THRESHOLD 17 0.13% 0.00% 3.32us 20.05us 4.69us ( +- 20.51% )
16 PENDING_INTERRUPT 5 0.04% 0.00% 2.88us 3.76us 3.32us ( +- 5.27% )
17
18 Total Samples:13500, Total events handled time:19561281.10us.
19
20 [root@zone3-pc124 bin]# ./perf kvm stat report --event=ioport
21
22
23 Analyze events for all VMs, all VCPUs:
24
25 IO Port Access Samples Samples% Time% Min Time Max Time Avg time
26
27 0x608:PIN 2604 39.80% 18.07% 3.94us 25.59us 4.33us ( +- 0.43% )
28 0x71:PIN 2560 39.13% 18.83% 4.10us 26.57us 4.59us ( +- 0.35% )
29 0x70:POUT 1280 19.56% 62.05% 12.81us 1031.02us 30.25us ( +- 3.13% )
30 0xc042:PIN 20 0.31% 0.14% 4.18us 4.47us 4.30us ( +- 0.41% )
31 0xc050:PIN 20 0.31% 0.13% 4.04us 4.25us 4.14us ( +- 0.39% )
32 0xc052:PIN 20 0.31% 0.13% 3.90us 4.18us 4.06us ( +- 0.41% )
33 0x600:POUT 9 0.14% 0.40% 25.40us 30.48us 27.88us ( +- 2.73% )
34 0x600:PIN 9 0.14% 0.07% 4.21us 4.88us 4.62us ( +- 1.72% )
35 0xafe0:PIN 9 0.14% 0.06% 4.09us 4.55us 4.31us ( +- 1.27% )
36 0xafe1:PIN 9 0.14% 0.06% 3.97us 4.21us 4.09us ( +- 0.64% )
37 0xc0b0:POUT 2 0.03% 0.04% 9.94us 12.84us 11.39us ( +- 12.72% )
38 0xc010:POUT 1 0.02% 0.01% 8.02us 8.02us 8.02us ( +- 0.00% )
39
40 Total Samples:6543, Total events handled time:62395.31us.
41
42 [root@zone3-pc124 bin]# virsh qemu-monitor-command vm-123457 --hmp "info mtree"
43 memory
44 0000000000000000-7ffffffffffffffe (prio 0, RW): system
45 0000000000000000-000000007fffffff (prio 0, RW): alias ram-below-4g @pc.ram 0000000000000000-000000007fffffff
46 00000000000a0000-00000000000bffff (prio 1, RW): alias smram-region @pci 00000000000a0000-00000000000bffff
47 00000000000c0000-00000000000c3fff (prio 1, R-): alias pam-rom @pc.ram 00000000000c0000-00000000000c3fff
48 00000000000c4000-00000000000c7fff (prio 1, R-): alias pam-rom @pc.ram 00000000000c4000-00000000000c7fff
49 00000000000c8000-00000000000cbfff (prio 1, R-): alias pam-rom @pc.ram 00000000000c8000-00000000000cbfff
50 00000000000cb000-00000000000cdfff (prio 1000, RW): alias kvmvapic-rom @pc.ram 00000000000cb000-00000000000cdfff
51 00000000000cc000-00000000000cffff (prio 1, R-): alias pam-rom @pc.ram 00000000000cc000-00000000000cffff
52 00000000000d0000-00000000000d3fff (prio 1, R-): alias pam-rom @pc.ram 00000000000d0000-00000000000d3fff
53 00000000000d4000-00000000000d7fff (prio 1, R-): alias pam-rom @pc.ram 00000000000d4000-00000000000d7fff
54 00000000000d8000-00000000000dbfff (prio 1, R-): alias pam-rom @pc.ram 00000000000d8000-00000000000dbfff
55 00000000000dc000-00000000000dffff (prio 1, R-): alias pam-rom @pc.ram 00000000000dc000-00000000000dffff
56 00000000000e0000-00000000000e3fff (prio 1, R-): alias pam-rom @pc.ram 00000000000e0000-00000000000e3fff
57 00000000000e4000-00000000000e7fff (prio 1, R-): alias pam-rom @pc.ram 00000000000e4000-00000000000e7fff
58 00000000000e8000-00000000000ebfff (prio 1, RW): alias pam-ram @pc.ram 00000000000e8000-00000000000ebfff
59 00000000000ec000-00000000000effff (prio 1, RW): alias pam-ram @pc.ram 00000000000ec000-00000000000effff
60 00000000000f0000-00000000000fffff (prio 1, R-): alias pam-rom @pc.ram 00000000000f0000-00000000000fffff
61 0000000080000000-00000000ffffffff (prio 0, RW): alias pci-hole @pci 0000000080000000-00000000ffffffff
62 00000000fec00000-00000000fec00fff (prio 0, RW): kvm-ioapic
63 00000000fee00000-00000000feefffff (prio 4096, RW): icc-apic-container
64 00000000fee00000-00000000feefffff (prio 0, RW): kvm-apic-msi
65 0000000100000000-40000000ffffffff (prio 0, RW): alias pci-hole64 @pci 0000000100000000-40000000ffffffff
66 I/O
67 0000000000000000-000000000000ffff (prio 0, RW): io
68 0000000000000000-0000000000000007 (prio 0, RW): dma-chan
69 0000000000000008-000000000000000f (prio 0, RW): dma-cont
70 0000000000000020-0000000000000021 (prio 0, RW): kvm-pic
71 0000000000000040-0000000000000043 (prio 0, RW): kvm-pit
72 0000000000000060-0000000000000060 (prio 0, RW): i8042-data
73 0000000000000061-0000000000000061 (prio 0, RW): elcr
74 0000000000000064-0000000000000064 (prio 0, RW): i8042-cmd
75 0000000000000070-0000000000000071 (prio 0, RW): rtc
76 000000000000007e-000000000000007f (prio 0, RW): kvmvapic
77 0000000000000080-0000000000000080 (prio 0, RW): ioport80
78 0000000000000081-0000000000000083 (prio 0, RW): alias dma-page @dma-page 0000000000000081-0000000000000083
79 0000000000000087-0000000000000087 (prio 0, RW): alias dma-page @dma-page 0000000000000087-0000000000000087
80 0000000000000089-000000000000008b (prio 0, RW): alias dma-page @dma-page 0000000000000089-000000000000008b
81 000000000000008f-000000000000008f (prio 0, RW): alias dma-page @dma-page 000000000000008f-000000000000008f
82 0000000000000092-0000000000000092 (prio 0, RW): port92
83 00000000000000a0-00000000000000a1 (prio 0, RW): kvm-pic
84 00000000000000b2-00000000000000b3 (prio 0, RW): apm-io
85 00000000000000c0-00000000000000cf (prio 0, RW): dma-chan
86 00000000000000d0-00000000000000df (prio 0, RW): dma-cont
87 00000000000000f0-00000000000000f0 (prio 0, RW): ioportF0
88 0000000000000170-0000000000000177 (prio 0, RW): alias ide @ide 0000000000000170-0000000000000177
89 00000000000001ce-00000000000001d0 (prio 0, RW): alias vbe @vbe 00000000000001ce-00000000000001d0
90 00000000000001f0-00000000000001f7 (prio 0, RW): alias ide @ide 00000000000001f0-00000000000001f7
91 0000000000000376-0000000000000376 (prio 0, RW): alias ide @ide 0000000000000376-0000000000000376
92 00000000000003b4-00000000000003b5 (prio 0, RW): alias vga @vga 00000000000003b4-00000000000003b5
93 00000000000003ba-00000000000003ba (prio 0, RW): alias vga @vga 00000000000003ba-00000000000003ba
94 00000000000003c0-00000000000003cf (prio 0, RW): alias vga @vga 00000000000003c0-00000000000003cf
95 00000000000003d4-00000000000003d5 (prio 0, RW): alias vga @vga 00000000000003d4-00000000000003d5
96 00000000000003da-00000000000003da (prio 0, RW): alias vga @vga 00000000000003da-00000000000003da
97 00000000000003f1-00000000000003f5 (prio 0, RW): alias fdc @fdc 00000000000003f1-00000000000003f5
98 00000000000003f6-00000000000003f6 (prio 0, RW): alias ide @ide 00000000000003f6-00000000000003f6
99 00000000000003f7-00000000000003f7 (prio 0, RW): alias fdc @fdc 00000000000003f7-00000000000003f7
100 00000000000003f8-00000000000003ff (prio 0, RW): serial
101 00000000000004d0-00000000000004d0 (prio 0, RW): kvm-elcr
102 00000000000004d1-00000000000004d1 (prio 0, RW): kvm-elcr
103 0000000000000510-0000000000000511 (prio 0, RW): fwcfg
104 0000000000000600-000000000000063f (prio 0, RW): piix4-pm
105 0000000000000600-0000000000000603 (prio 0, RW): acpi-evt
106 0000000000000604-0000000000000605 (prio 0, RW): acpi-cnt
107 0000000000000608-000000000000060b (prio 0, RW): acpi-tmr
108 0000000000000700-000000000000073f (prio 0, RW): pm-smbus
109 0000000000000cf8-0000000000000cfb (prio 0, RW): pci-conf-idx
110 0000000000000cf9-0000000000000cf9 (prio 1, RW): piix3-reset-control
111 0000000000000cfc-0000000000000cff (prio 0, RW): pci-conf-data
112 0000000000005658-0000000000005658 (prio 0, RW): vmport
113 000000000000ae00-000000000000ae0e (prio 0, RW): apci-pci-hotplug
114 000000000000af00-000000000000af1f (prio 0, RW): apci-cpu-hotplug
115 000000000000afe0-000000000000afe3 (prio 0, RW): apci-gpe0
116 000000000000c000-000000000000c03f (prio 1, RW): virtio-pci
117 000000000000c040-000000000000c05f (prio 1, RW): uhci
118 000000000000c060-000000000000c07f (prio 1, RW): qxl-ioports
119 000000000000c080-000000000000c09f (prio 1, RW): virtio-pci
120 000000000000c0a0-000000000000c0bf (prio 1, RW): virtio-pci
121 000000000000c0c0-000000000000c0df (prio 1, RW): virtio-pci
122 000000000000c0e0-000000000000c0ff (prio 1, RW): virtio-pci
123 000000000000c100-000000000000c10f (prio 1, RW): piix-bmdma-container
124 000000000000c100-000000000000c103 (prio 0, RW): piix-bmdma
125 000000000000c104-000000000000c107 (prio 0, RW): bmdma
126 000000000000c108-000000000000c10b (prio 0, RW): piix-bmdma
127 000000000000c10c-000000000000c10f (prio 0, RW): bmdma
128 aliases
129 pc.ram
130 0000000000000000-000000007fffffff (prio 0, RW): pc.ram
131 pci
132 0000000000000000-7ffffffffffffffe (prio 0, RW): pci
133 00000000000a0000-00000000000affff (prio 2, RW): alias vga.chain4 @vga.vram 0000000000000000-000000000000ffff
134 00000000000a0000-00000000000bffff (prio 1, RW): vga-lowmem
135 00000000000c0000-00000000000dffff (prio 1, RW): pc.rom
136 00000000000e0000-00000000000fffff (prio 1, R-): alias isa-bios @pc.bios 0000000000020000-000000000003ffff
137 00000000f4000000-00000000f7ffffff (prio 1, RW): vga.vram
138 00000000f8000000-00000000fbffffff (prio 1, RW): alias qxl.vram32 @qxl.vram 0000000000000000-0000000003ffffff
139 00000000fc090000-00000000fc091fff (prio 1, RW): qxl.vrom
140 00000000fc092000-00000000fc092fff (prio 1, RW): virtio-net-pci-msix
141 00000000fc092000-00000000fc09202f (prio 0, RW): msix-table
142 00000000fc092800-00000000fc092807 (prio 0, RW): msix-pba
143 00000000fc093000-00000000fc093fff (prio 1, RW): virtio-net-pci-msix
144 00000000fc093000-00000000fc09302f (prio 0, RW): msix-table
145 00000000fc093800-00000000fc093807 (prio 0, RW): msix-pba
146 00000000fc094000-00000000fc094fff (prio 1, RW): virtio-blk-pci-msix
147 00000000fc094000-00000000fc09401f (prio 0, RW): msix-table
148 00000000fc094800-00000000fc094807 (prio 0, RW): msix-pba
149 00000000fc095000-00000000fc095fff (prio 1, RW): virtio-serial-pci-msix
150 00000000fc095000-00000000fc09501f (prio 0, RW): msix-table
151 00000000fc095800-00000000fc095807 (prio 0, RW): msix-pba
152 00000000fffc0000-00000000ffffffff (prio 0, R-): pc.bios
153 dma-page
154 0000000000000000-7ffffffffffffffe (prio 0, RW): dma-page
155 dma-page
156 0000000000000000-7ffffffffffffffe (prio 0, RW): dma-page
157 dma-page
158 0000000000000000-7ffffffffffffffe (prio 0, RW): dma-page
159 dma-page
160 0000000000000000-7ffffffffffffffe (prio 0, RW): dma-page
161 ide
162 0000000000000000-7ffffffffffffffe (prio 0, RW): ide
163 vbe
164 0000000000000000-7ffffffffffffffe (prio 0, RW): vbe
165 ide
166 0000000000000000-7ffffffffffffffe (prio 0, RW): ide
167 ide
168 0000000000000000-7ffffffffffffffe (prio 0, RW): ide
169 vga
170 0000000000000000-7ffffffffffffffe (prio 0, RW): vga
171 vga
172 0000000000000000-7ffffffffffffffe (prio 0, RW): vga
173 vga
174 0000000000000000-7ffffffffffffffe (prio 0, RW): vga
175 vga
176 0000000000000000-7ffffffffffffffe (prio 0, RW): vga
177 vga
178 0000000000000000-7ffffffffffffffe (prio 0, RW): vga
179 fdc
180 0000000000000000-7ffffffffffffffe (prio 0, RW): fdc
181 ide
182 0000000000000000-7ffffffffffffffe (prio 0, RW): ide
183 fdc
184 0000000000000000-7ffffffffffffffe (prio 0, RW): fdc
185 vga.vram
186 00000000f4000000-00000000f7ffffff (prio 1, RW): vga.vram
187 pc.bios
188 00000000fffc0000-00000000ffffffff (prio 0, R-): pc.bios
189 qxl.vram
190 0000000000000000-0000000003ffffff (prio 0, RW): qxl.vram
1 https://cloud.tencent.com/developer/article/1400629
2 https://www.linux-kvm.org/images/a/ac/02x03-Davit_Matalack-KVM_Message_passing_Performance.pdf
3 https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/virtualization_tuning_and_optimization_guide/sect-virtualization_tuning_optimization_guide-monitoring_tools-perf_kvm
4
5 perf kvm stat record -a sleep 20
