[libvirt] [PATCHv4 5/8] qemu: bulk stats: implement interface group

[Peter Krempa]

On 09/12/14 13:48, Francesco Romani wrote:
> This patch implements the VIR_DOMAIN_STATS_INTERFACE
> group of statistics.
> 
> Signed-off-by: Francesco Romani <fromani at redhat.com>
> ---
>  include/libvirt/libvirt.h.in |  1 +
>  src/libvirt.c                | 14 +++++++
>  src/qemu/qemu_driver.c       | 87 ++++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 102 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)

Again, reset the error as it's ignored.

> +            continue;
> +
> +        QEMU_ADD_NAME_PARAM(record, maxparams,
> +                            "net", i, dom->def->nets[i]->ifname);
> +
> +        QEMU_ADD_NET_PARAM(record, maxparams, i,
> +                           "rx.bytes", tmp.rx_bytes);
> +        QEMU_ADD_NET_PARAM(record, maxparams, i,
> +                           "rx.pkts", tmp.rx_packets);
> +        QEMU_ADD_NET_PARAM(record, maxparams, i,
> +                           "rx.errs", tmp.rx_errs);
> +        QEMU_ADD_NET_PARAM(record, maxparams, i,
> +                           "rx.drop", tmp.rx_drop);
> +        QEMU_ADD_NET_PARAM(record, maxparams, i,
> +                           "tx.bytes", tmp.tx_bytes);
> +        QEMU_ADD_NET_PARAM(record, maxparams, i,
> +                           "tx.pkts", tmp.tx_packets);
> +        QEMU_ADD_NET_PARAM(record, maxparams, i,
> +                           "tx.errs", tmp.tx_errs);
> +        QEMU_ADD_NET_PARAM(record, maxparams, i,
> +                           "tx.drop", tmp.tx_drop);
> +    }
> +
> +    return 0;
> +}
> +
> +#undef QEMU_ADD_NET_PARAM
> +
> +#undef QEMU_ADD_NAME_PARAM
> +
> +#undef QEMU_ADD_COUNT_PARAM
>  
>  typedef int
>  (*qemuDomainGetStatsFunc)(virQEMUDriverPtr driver,

ACK otherwise.

Peter

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