perf 试用 

  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

 

posted @ 2021-06-09 14:39  maojun1998  阅读(106)  评论(0)    收藏  举报