7:31 a.m.
This patch implements the VIR_DOMAIN_STATS_INTERFACE
group of statistics.
Signed-off-by: Francesco Romani <fromani(a)redhat.com>
---
include/libvirt/libvirt.h.in | 1 +
src/libvirt.c | 13 +++++++
src/qemu/qemu_driver.c | 85 ++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 99 insertions(+)
diff --git a/include/libvirt/libvirt.h.in b/include/libvirt/libvirt.h.in
index 46f4067..33588d6 100644
--- a/include/libvirt/libvirt.h.in
+++ b/include/libvirt/libvirt.h.in
@@ -2514,6 +2514,7 @@ typedef enum {
VIR_DOMAIN_STATS_CPU_TOTAL = (1 << 1), /* return domain CPU info */
VIR_DOMAIN_STATS_BALLOON = (1 << 2), /* return domain balloon info */
VIR_DOMAIN_STATS_VCPU = (1 << 3), /* return domain virtual CPU info */
+ VIR_DOMAIN_STATS_INTERFACE = (1 << 4), /* return domain interfaces info */
} virDomainStatsTypes;
typedef enum {
diff --git a/src/libvirt.c b/src/libvirt.c
index a5942bc..099404b 100644
--- a/src/libvirt.c
+++ b/src/libvirt.c
@@ -21566,6 +21566,19 @@ virConnectGetDomainCapabilities(virConnectPtr conn,
* "vcpu.<num>.time" - virtual cpu time spent by virtual CPU <num>
* "vcpu.<num>.cpu" - physical CPU pinned to virtual CPU <num>
*
+ * VIR_DOMAIN_STATS_INTERFACE: Return network interface statistics.
+ * The typed parameter keys are in this format:
+ * "net.count" - number of network interfaces on this domain.
+ * "net.<num>.name" - name of the interface <num>.
+ * "net.<num>.rx.bytes" - bytes received.
+ * "net.<num>.rx.pkts" - packets received.
+ * "net.<num>.rx.errs" - receive errors.
+ * "net.<num>.rx.drop" - receive packets dropped.
+ * "net.<num>.tx.bytes" - bytes transmitted.
+ * "net.<num>.tx.pkts" - packets transmitted.
+ * "net.<num>.tx.errs" - transmission errors.
+ * "net.<num>.tx.drop" - transmit packets dropped.
+ *
* Using 0 for @stats returns all stats groups supported by the given
* hypervisor.
*
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 72ec284..069a15d 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -17461,6 +17461,90 @@ qemuDomainGetStatsVcpu(virConnectPtr conn ATTRIBUTE_UNUSED,
return ret;
}
+#define QEMU_ADD_COUNT_PARAM(RECORD, MAXPARAMS, TYPE, COUNT) \
+do { \
+ char param_name[NAME_MAX]; \
+ snprintf(param_name, NAME_MAX, "%s.count", TYPE); \
+ if (virTypedParamsAddUInt(&RECORD->params, \
+ &RECORD->nparams, \
+ MAXPARAMS, \
+ param_name, \
+ COUNT) < 0) \
+ return -1; \
+} while (0)
+
+#define QEMU_ADD_NAME_PARAM(RECORD, MAXPARAMS, TYPE, NUM, NAME) \
+do { \
+ char param_name[NAME_MAX]; \
+ snprintf(param_name, NAME_MAX, "%s.%lu.name", TYPE, NUM); \
+ if (virTypedParamsAddString(&RECORD->params, \
+ &RECORD->nparams, \
+ MAXPARAMS, \
+ param_name, \
+ NAME) < 0) \
+ return -1; \
+} while (0)
+
+#define QEMU_ADD_NET_PARAM(RECORD, MAXPARAMS, NUM, NAME, VALUE) \
+do { \
+ char param_name[NAME_MAX]; \
+ snprintf(param_name, NAME_MAX, "net.%lu.%s", NUM, NAME); \
+ if (virTypedParamsAddLLong(&RECORD->params, \
+ &RECORD->nparams, \
+ MAXPARAMS, \
+ param_name, \
+ VALUE) < 0) \
+ return -1; \
+} while (0)
+
+static int
+qemuDomainGetStatsInterface(virConnectPtr conn ATTRIBUTE_UNUSED,
+ virDomainObjPtr dom,
+ virDomainStatsRecordPtr record,
+ int *maxparams,
+ unsigned int privflags ATTRIBUTE_UNUSED)
+{
+ size_t i;
+ struct _virDomainInterfaceStats tmp;
+
+ /* 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)
+ continue;
+
+ QEMU_ADD_COUNT_PARAM(record, maxparams, "net", dom->def->nnets);
+
+ 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)(virConnectPtr conn,
@@ -17479,6 +17563,7 @@ static struct qemuDomainGetStatsWorker qemuDomainGetStatsWorkers[]
= {
{ qemuDomainGetStatsCpu, VIR_DOMAIN_STATS_CPU_TOTAL },
{ qemuDomainGetStatsBalloon, VIR_DOMAIN_STATS_BALLOON },
{ qemuDomainGetStatsVcpu, VIR_DOMAIN_STATS_VCPU },
+ { qemuDomainGetStatsInterface, VIR_DOMAIN_STATS_INTERFACE },
{ NULL, 0 }
};
--
1.9.3