On 09/15/14 10:48, Francesco Romani wrote:
> This patch implements the VIR_DOMAIN_STATS_INTERFACE
> group of statistics.
>
> Signed-off-by: Francesco Romani <fromani@xxxxxxxxxx>
> ---
> include/libvirt/libvirt.h.in | 1 +
> src/libvirt.c | 14 +++++++
> src/qemu/qemu_driver.c | 89 ++++++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 104 insertions(+)
>
> +static int
> +qemuDomainGetStatsInterface(virQEMUDriverPtr driver ATTRIBUTE_UNUSED,
> + virDomainObjPtr dom,
> + virDomainStatsRecordPtr record,
> + int *maxparams,
> + unsigned int privflags ATTRIBUTE_UNUSED)
> +{
> + size_t i;
> + struct _virDomainInterfaceStats tmp;
> +
> + QEMU_ADD_COUNT_PARAM(record, maxparams, "net", dom->def->nnets);
> +
> + /* Check the path is one of the domain's network interfaces. */
> + for (i = 0; i < dom->def->nnets; i++) {
> + memset(&tmp, 0, sizeof(tmp));
> +
> + if (virNetInterfaceStats(dom->def->nets[i]->ifname, &tmp) < 0) {
dom->def->nets[i]->ifname is NULL if the VM is inactive. I think we
should skip this complete group if the VM is offline.
I'll add a if (!virDomainObjIsActive(dom)) return 0; to the beginning of
this function. If the vm isn't active, there isn't much to report.
> + virResetLastError();
> + continue;
> + }
Peter
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