[ovirt-devel] ovirt cannot get vm's memory used info

[pengyixiang]

hi, everyone
    I create a linux vm in ovirt, and the cpu usage and network usage works well, but Memory usage is 0 all the time, I investigate it，in _onChannelRead(self)->_handleData(self, data)->
_processMessage(self, line), and in _processMessage , it will set self._agentTimestamp = time.time(). then in getGuestInfo(self), it will judge self.isResponsive()->return time.time() - self._agentTimestamp < 120, but i find self._agentTimestamp always is zero, that's may said _onChannelRead is not be called, then is about _onChannelRead :

    def start(self):
        self.log.info("Starting connection")
        self._prepare_socket()
        self._channelListener.register(
            self._create,
            self._connect,
            self._onChannelRead,
            self._onChannelTimeout)

it seems server not send data to callback _onChannelRead?

and i see it connect to "/var/lib/libvirt/qemu/channels/2508a611-5cd6-4735-a286-477c3ad75d8b.com.redhat.rhevm.vdsm", and it's succeed.

the server is libvirt? and why it's no response? soft version caused it?

there is some soft info:

root at Node:~/install_script/py/vdsm# dpkg -l | grep "libvirt"
ii  libvirt-bin                                            1.2.9-9+deb8u3                       amd64        programs for the libvirt library
ii  libvirt-clients                                        3.0.0-4                              amd64        Programs for the libvirt library
ii  libvirt-daemon                                         3.0.0-4                              amd64        Virtualization daemon
ii  libvirt-daemon-system                                  3.0.0-4                              amd64        Libvirt daemon configuration files
ii  libvirt-sanlock                                        3.0.0-4                              amd64        Sanlock plugin for virtlockd
ii  libvirt0                                               3.0.0-4                              amd64        library for interfacing with different virtualization systems
ii  python-libvirt                                         3.0.0-2                              amd64        libvirt Python bindings


vdsm: 4.20.0












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