Examples with VmStatsEntry com.cloud.agent.api.VmStatsEntry used on opensource projects

Example 11 with VmStatsEntry

use of com.cloud.agent.api.VmStatsEntry in project cloudstack by apache.

the class UserVmManagerImpl method getVirtualMachineStatistics.

@Override
public HashMap<Long, VmStatsEntry> getVirtualMachineStatistics(long hostId, String hostName, List<Long> vmIds) throws CloudRuntimeException {
    HashMap<Long, VmStatsEntry> vmStatsById = new HashMap<Long, VmStatsEntry>();
    if (vmIds.isEmpty()) {
        return vmStatsById;
    }
    List<String> vmNames = new ArrayList<String>();
    for (Long vmId : vmIds) {
        UserVmVO vm = _vmDao.findById(vmId);
        vmNames.add(vm.getInstanceName());
    }
    Answer answer = _agentMgr.easySend(hostId, new GetVmStatsCommand(vmNames, _hostDao.findById(hostId).getGuid(), hostName));
    if (answer == null || !answer.getResult()) {
        s_logger.warn("Unable to obtain VM statistics.");
        return null;
    } else {
        HashMap<String, VmStatsEntry> vmStatsByName = ((GetVmStatsAnswer) answer).getVmStatsMap();
        if (vmStatsByName == null) {
            s_logger.warn("Unable to obtain VM statistics.");
            return null;
        }
        for (Map.Entry<String, VmStatsEntry> entry : vmStatsByName.entrySet()) {
            vmStatsById.put(vmIds.get(vmNames.indexOf(entry.getKey())), entry.getValue());
        }
    }
    return vmStatsById;
}

Example 12 with VmStatsEntry

use of com.cloud.agent.api.VmStatsEntry in project cloudstack by apache.

the class LibvirtGetVmStatsCommandWrapper method execute.

@Override
public Answer execute(final GetVmStatsCommand command, final LibvirtComputingResource libvirtComputingResource) {
    final List<String> vmNames = command.getVmNames();
    try {
        final HashMap<String, VmStatsEntry> vmStatsNameMap = new HashMap<String, VmStatsEntry>();
        for (final String vmName : vmNames) {
            final LibvirtUtilitiesHelper libvirtUtilitiesHelper = libvirtComputingResource.getLibvirtUtilitiesHelper();
            final Connect conn = libvirtUtilitiesHelper.getConnectionByVmName(vmName);
            try {
                final VmStatsEntry statEntry = libvirtComputingResource.getVmStat(conn, vmName);
                if (statEntry == null) {
                    continue;
                }
                vmStatsNameMap.put(vmName, statEntry);
            } catch (LibvirtException e) {
                s_logger.warn("Can't get vm stats: " + e.toString() + ", continue");
            }
        }
        return new GetVmStatsAnswer(command, vmStatsNameMap);
    } catch (final LibvirtException e) {
        s_logger.debug("Can't get vm stats: " + e.toString());
        return new GetVmStatsAnswer(command, null);
    }
}

Example 13 with VmStatsEntry

use of com.cloud.agent.api.VmStatsEntry in project cloudstack by apache.

the class OvmResourceBase method getVmStat.

private VmStatsEntry getVmStat(String vmName) throws XmlRpcException {
    Map<String, String> vmStat = OvmVm.getVmStats(_conn, vmName);
    int nvcpus = Integer.parseInt(vmStat.get("cpuNum"));
    float cpuUtil = Float.parseFloat(vmStat.get("cpuUtil"));
    long rxBytes = Long.parseLong(vmStat.get("rxBytes"));
    long txBytes = Long.parseLong(vmStat.get("txBytes"));
    Pair<Long, Long> oldNetworkStat = _vmNetworkStats.get(vmName);
    long rx = rxBytes;
    long tx = txBytes;
    if (oldNetworkStat != null) {
        rx -= oldNetworkStat.first();
        tx -= oldNetworkStat.second();
        oldNetworkStat.set(rxBytes, txBytes);
    } else {
        oldNetworkStat = new Pair<Long, Long>(rx, tx);
    }
    _vmNetworkStats.put(vmName, oldNetworkStat);
    VmStatsEntry e = new VmStatsEntry();
    e.setCPUUtilization(cpuUtil);
    e.setNumCPUs(nvcpus);
    e.setNetworkReadKBs(rx);
    e.setNetworkWriteKBs(tx);
    e.setEntityType("vm");
    return e;
}

Example 14 with VmStatsEntry

use of com.cloud.agent.api.VmStatsEntry in project cloudstack by apache.

the class OvmResourceBase method execute.

protected GetVmStatsAnswer execute(GetVmStatsCommand cmd) {
    List<String> vmNames = cmd.getVmNames();
    HashMap<String, VmStatsEntry> vmStatsNameMap = new HashMap<String, VmStatsEntry>();
    for (String vmName : vmNames) {
        try {
            VmStatsEntry e = getVmStat(vmName);
            vmStatsNameMap.put(vmName, e);
        } catch (XmlRpcException e) {
            s_logger.debug("Get vm stat for " + vmName + " failed", e);
            continue;
        }
    }
    return new GetVmStatsAnswer(cmd, vmStatsNameMap);
}

Example 15 with VmStatsEntry

use of com.cloud.agent.api.VmStatsEntry in project cloudstack by apache.

the class LibvirtComputingResource method getVmStat.

public VmStatsEntry getVmStat(final Connect conn, final String vmName) throws LibvirtException {
    Domain dm = null;
    try {
        dm = getDomain(conn, vmName);
        if (dm == null) {
            return null;
        }
        DomainInfo info = dm.getInfo();
        final VmStatsEntry stats = new VmStatsEntry();
        stats.setNumCPUs(info.nrVirtCpu);
        stats.setEntityType("vm");
        stats.setMemoryKBs(info.maxMem);
        stats.setTargetMemoryKBs(info.memory);
        stats.setIntFreeMemoryKBs(getMemoryFreeInKBs(dm));
        /* get cpu utilization */
        VmStats oldStats = null;
        final Calendar now = Calendar.getInstance();
        oldStats = _vmStats.get(vmName);
        long elapsedTime = 0;
        if (oldStats != null) {
            elapsedTime = now.getTimeInMillis() - oldStats._timestamp.getTimeInMillis();
            double utilization = (info.cpuTime - oldStats._usedTime) / ((double) elapsedTime * 1000000);
            final NodeInfo node = conn.nodeInfo();
            utilization = utilization / node.cpus;
            if (utilization > 0) {
                stats.setCPUUtilization(utilization * 100);
            }
        }
        /* get network stats */
        final List<InterfaceDef> vifs = getInterfaces(conn, vmName);
        long rx = 0;
        long tx = 0;
        for (final InterfaceDef vif : vifs) {
            final DomainInterfaceStats ifStats = dm.interfaceStats(vif.getDevName());
            rx += ifStats.rx_bytes;
            tx += ifStats.tx_bytes;
        }
        if (oldStats != null) {
            final double deltarx = rx - oldStats._rx;
            if (deltarx > 0) {
                stats.setNetworkReadKBs(deltarx / 1024);
            }
            final double deltatx = tx - oldStats._tx;
            if (deltatx > 0) {
                stats.setNetworkWriteKBs(deltatx / 1024);
            }
        }
        /* get disk stats */
        final List<DiskDef> disks = getDisks(conn, vmName);
        long io_rd = 0;
        long io_wr = 0;
        long bytes_rd = 0;
        long bytes_wr = 0;
        for (final DiskDef disk : disks) {
            final DomainBlockStats blockStats = dm.blockStats(disk.getDiskLabel());
            io_rd += blockStats.rd_req;
            io_wr += blockStats.wr_req;
            bytes_rd += blockStats.rd_bytes;
            bytes_wr += blockStats.wr_bytes;
        }
        if (oldStats != null) {
            final long deltaiord = io_rd - oldStats._ioRead;
            if (deltaiord > 0) {
                stats.setDiskReadIOs(deltaiord);
            }
            final long deltaiowr = io_wr - oldStats._ioWrote;
            if (deltaiowr > 0) {
                stats.setDiskWriteIOs(deltaiowr);
            }
            final double deltabytesrd = bytes_rd - oldStats._bytesRead;
            if (deltabytesrd > 0) {
                stats.setDiskReadKBs(deltabytesrd / 1024);
            }
            final double deltabyteswr = bytes_wr - oldStats._bytesWrote;
            if (deltabyteswr > 0) {
                stats.setDiskWriteKBs(deltabyteswr / 1024);
            }
        }
        /* save to Hashmap */
        final VmStats newStat = new VmStats();
        newStat._usedTime = info.cpuTime;
        newStat._rx = rx;
        newStat._tx = tx;
        newStat._ioRead = io_rd;
        newStat._ioWrote = io_wr;
        newStat._bytesRead = bytes_rd;
        newStat._bytesWrote = bytes_wr;
        newStat._timestamp = now;
        _vmStats.put(vmName, newStat);
        return stats;
    } finally {
        if (dm != null) {
            dm.free();
        }
    }
}