June 2017
Intermediate to advanced
340 pages
8h 22m
English
Content preview from KVM Virtualization Cookbook
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How to do it...
To collect CPU, memory, and state information about a running instance, use the following Python methods:
- Get the name of the instance:
In [1]: instance.name()Out[1]: 'kvm_python'In [2]:
- Ensure the instance is running:
In [2]: instance.isActive()Out[2]: 1In [3]:
- Collect resource statistics on the KVM instance:
In [3]: instance.info()Out[3]: [1, 1048576L, 1048576L, 1, 10910000000L]In [4]:
- Retrieve the maximum amount of physical memory allocated to the instance:
In [4]: instance.maxMemory()Out[4]: 1048576LIn [5]:
- Extract CPU statistics for the instance:
In [5]: instance.getCPUStats(1)Out[5]:[{'cpu_time': 10911545901L, 'system_time': 1760000000L, 'user_time': 1560000000L}]In [6]:
- Check if the virtual machine ...
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