First Step to do if no data is available for a KVM Host Monitor
In KVM all the data has been collected via CLI Commands. So if any of data is not retrieved properly in the UI, we can check it by executing CLI Commands.
The below table contails the List of CLI Commands used for each metrics present under the KVM Host Monitor:
Attributes | CLI Command | Output |
CPU: | $ virsh nodecpustats --percent | [test@APM-KVM-C7-1 ~]$ virsh nodecpustats --percent usage: 4.5% user: 3.5% system: 1.0% idle: 95.5% iowait: 0.0% |
CPU Utilization | Value of usage | |
User | Value of user | |
System | Value of system | |
Idle | Value of Idle | |
I/O Wait | Value of iowait | |
Memory: | $virsh nodememstats | [test@APM-KVM-C7-1 ~]$ virsh nodememstats total : 131350208 KiB free : 73998456 KiB buffers: 2276 KiB cached : 37400492 KiB |
Total Physical Memory | Value of total | |
Used Physical Memory | Total-Free | |
Free Physical Memory | Value of free | |
Memory Utilization | (Used/Total)*100 | |
Buffer Memory | Value of buffers | |
Cache Memory | Value of cached | |
Virtual Machine: | $ virsh list --all | [test@APM-KVM-C7-1 ~]$virsh list --all Id Name State ---------------------------------------------------- 1 APM-C764-5 running 2 APM-U18-3 running |
Name | The name of the VM. | |
State | The current status of the VM. | |
Virtual Networks: | $virsh net-list | [test@APM-KVM-C7-1 ~]$ sudo virsh net-list Name State Autostart Persistent ---------------------------------------------------------- default active yes yes |
Name | Value of Name | |
State | Value of State | |
Autostart | Value of Autostart | |
Network Interfaces: | $ sudo virsh iface-list --all $ip -s link show | [test@APM-KVM-C7-1 ~]$ sudo virsh iface-list --all Name State MAC Address --------------------------------------------------- br0 active b4:96:91:28:5f:c8 lo active 00:00:00:00:00:00 p4p2 inactive b4:96:91:28:5f:c9 [root@sysadmin-Latitude-E7450:~# ip -s link show 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 RX: bytes packets errors dropped overrun mcast 864160606 6378193 0 0 0 0 TX: bytes packets errors dropped carrier collsns 864160606 6378193 0 0 0 0 |
Name | Value of Name | |
State | Value of State | |
MAC Address | Value of MAC Address | |
Packets Received | ||
Packets Transmitted | ||
Bytes Received | ||
Bytes Transmitted | ||
Storage Pools: | $ sudo virsh pool-list --all $ sudo virsh pool-info <PoolName> | [test@APM-KVM-C7-1 ~]$ sudo virsh pool-list --all Name State Autostart ------------------------------------------- default active yes Downloads active yes [test@APM-KVM-C7-1 ~]$ sudo virsh pool-info default Name: default UUID: dc98ad2b-84cc-48c3-8e7d-f1b9fc6d417e State: running Persistent: yes Autostart: yes Capacity: 4.31 TiB Allocation: 56.14 GiB Available: 4.25 TiB |
Name | Value of Name | |
UUID | Value of UUID | |
State | Value of State | |
Capacity | Value of Capacity | |
Used | Value of Allocation | |
Free | Value of Available | |
Autostart | Value of Autostart | |
Storage Volume: | $ sudo virsh vol-list --pool <Pool Name> --details | [test@APM-KVM-C7-1 ~]$ sudo virsh vol-list --pool default --details Name Path Type Capacity Allocation ----------------------------------------------------------------------------------- APM-C764-5.qcow2 /home/KVMSTORAGE/APM-C764-5.qcow2 file 300.00 GiB 38.35 GiB APM-U18-3.qcow2 /home/KVMSTORAGE/APM-U18-3.qcow2 file 300.00 GiB 13.52 GiB |
Pool Name | ||
Name | Value of Name | |
Path | Value of Path | |
Type | Value of Type | |
Capacity | Value of Capacity | |
Used | Value of Allocation | |
Free | Capacity - Allocation | |
Configuration: | ||
Host Name | $ virsh hostname | |
Host OS | cat /etc/os-release | |
Libvirt Version | $ virsh version | |
Hypervisor Version | $ virsh version | |
CPU Model | $ virsh nodeinfo | |
CPU Frequency | $ virsh nodeinfo | |
CPU(s) | $ virsh nodeinfo | |
CPU Sockets | $ virsh nodeinfo | |
Cores Per Socket | $ virsh nodeinfo | |
Threads Per Core | $ virsh nodeinfo |
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