How to set params for libvirt python api setBlockIoTune? -

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i need set kvm virtual machine's disk iotune using python libvirt. after searching, found method "setblockiotune" @ libvirt.py, call c api virdomainsetblockiotune, 

int virdomainsetinterfaceparameters (virdomainptr domain,                  const char * device,                  virtypedparameterptr params,                  int nparams,                  unsigned int flags)

here problem, can't find how set value "virtypedparameterptr params" in in python livirt. doc does't talk it.

please me, thanks!!

orz

i call libvirt python api "blockiotune(dev)" result, modify pass setblockiotune.

result of blockiotune(dev):

{'write_bytes_sec': 0l, 'total_iops_sec': 0l, 'read_iops_sec': 0l, 'read_bytes_sec': 0l, 'write_iops_sec': 0l, 'total_bytes_sec': 0l}

hope :)


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