[libvirt] [PATCHv6 1/6] virNodeGetCPUStats: Expose new API
virNodeGetCPUStats: Expose new API
Signed-off-by: Minoru Usui <usui(a)mxm.nes.nec.co.jp>
---
include/libvirt/libvirt.h.in | 65 ++++++++++++++++++++++++++++++++++++++++++
src/libvirt_public.syms | 1 +
2 files changed, 66 insertions(+), 0 deletions(-)
diff --git a/include/libvirt/libvirt.h.in b/include/libvirt/libvirt.h.in
index 7cd6e13..431071b 100644
--- a/include/libvirt/libvirt.h.in
+++ b/include/libvirt/libvirt.h.in
@@ -194,6 +194,58 @@ typedef struct _virStream virStream;
*/
typedef virStream *virStreamPtr;
+/**
+ * VIR_CPU_STATS_FIELD_LENGTH:
+ *
+ * Macro providing the field length of virNodeCPUStats
+ */
+#define VIR_CPU_STATS_FIELD_LENGTH 80
+
+/**
+ * VIR_CPU_STATS_KERNEL:
+ *
+ * Macro for the cumulative CPU time which spends by kernel,
+ * when the node booting up.(in nanoseconds).
+ */
+#define VIR_CPU_STATS_KERNEL "kernel"
+
+/**
+ * The cumulative CPU time which spends by user processes,
+ * when the node booting up.(in nanoseconds).
+ */
+#define VIR_CPU_STATS_USER "user"
+
+/**
+ * The cumulative idle CPU time,
+ * when the node booting up.(in nanoseconds).
+ */
+#define VIR_CPU_STATS_IDLE "idle"
+
+/**
+ * The cumulative I/O wait CPU time,
+ * when the node booting up.(in nanoseconds).
+ */
+#define VIR_CPU_STATS_IOWAIT "iowait"
+
+/**
+ * The CPU utilization.
+ * The usage value is in percent and 100% represents all CPUs on
+ * the server.
+ */
+#define VIR_CPU_STATS_UTILIZATION "utilization"
+
+/**
+ * virCPUStats:
+ *
+ * a virNodeCPUStats is a structure filled by virNodeGetCPUStats()
+ * and providing the information for the cpu stats of the node.
+ */
+typedef struct _virCPUStats virCPUStats;
+
+struct _virCPUStats {
+ char field[VIR_CPU_STATS_FIELD_LENGTH];
+ unsigned long long value;
+};
/**
* VIR_SECURITY_LABEL_BUFLEN:
@@ -565,6 +617,14 @@ int virDomainMigrateSetMaxSpeed(virDomainPtr domain,
typedef virNodeInfo *virNodeInfoPtr;
/**
+ * virCPUStatsPtr:
+ *
+ * a virCPUStatsPtr is a pointer to a virCPUStats structure.
+ */
+
+typedef virCPUStats *virCPUStatsPtr;
+
+/**
* virConnectFlags
*
* Flags when opening a connection to a hypervisor
@@ -698,6 +758,11 @@ int virNodeGetInfo (virConnectPtr conn,
virNodeInfoPtr info);
char * virConnectGetCapabilities (virConnectPtr conn);
+int virNodeGetCPUStats (virConnectPtr conn,
+ virCPUStatsPtr params,
+ int *nparams,
+ unsigned int flags);
+
unsigned long long virNodeGetFreeMemory (virConnectPtr conn);
int virNodeGetSecurityModel (virConnectPtr conn,
diff --git a/src/libvirt_public.syms b/src/libvirt_public.syms
index 0590535..2e34b89 100644
--- a/src/libvirt_public.syms
+++ b/src/libvirt_public.syms
@@ -442,6 +442,7 @@ LIBVIRT_0.9.2 {
virDomainInjectNMI;
virDomainScreenshot;
virDomainSetSchedulerParametersFlags;
+ virNodeGetCPUStats;
} LIBVIRT_0.9.0;
# .... define new API here using predicted next version number ....
--
1.7.1