Add a last_updated field to every metrics class.

Signed-off-by: Ewan Mellor <ewan@xensource.com>

6 files changed, 48 insertions, 0 deletions

diff --git a/tools/libxen/include/xen_host_metrics.h b/tools/libxen/include/xen_host_metrics.h
index 31f3123364..84121332c7 100644
--- a/tools/libxen/include/xen_host_metrics.h
+++ b/tools/libxen/include/xen_host_metrics.h
@@ -64,6 +64,7 @@ typedef struct xen_host_metrics_record
     char *uuid;
     int64_t memory_total;
     int64_t memory_free;
+    time_t last_updated;
 } xen_host_metrics_record;
 
 /**
@@ -182,6 +183,13 @@ xen_host_metrics_get_memory_free(xen_session *session, int64_t *result, xen_host
 
 
 /**
+ * Get the last_updated field of the given host_metrics.
+ */
+extern bool
+xen_host_metrics_get_last_updated(xen_session *session, time_t *result, xen_host_metrics host_metrics);
+
+
+/**
  * Return a list of all the host_metrics instances known to the system.
  */
 extern bool
diff --git a/tools/libxen/include/xen_pif_metrics.h b/tools/libxen/include/xen_pif_metrics.h
index b8dad22afa..970700feb1 100644
--- a/tools/libxen/include/xen_pif_metrics.h
+++ b/tools/libxen/include/xen_pif_metrics.h
@@ -64,6 +64,7 @@ typedef struct xen_pif_metrics_record
     char *uuid;
     double io_read_kbs;
     double io_write_kbs;
+    time_t last_updated;
 } xen_pif_metrics_record;
 
 /**
@@ -181,6 +182,13 @@ xen_pif_metrics_get_io_write_kbs(xen_session *session, double *result, xen_pif_m
 
 
 /**
+ * Get the last_updated field of the given PIF_metrics.
+ */
+extern bool
+xen_pif_metrics_get_last_updated(xen_session *session, time_t *result, xen_pif_metrics pif_metrics);
+
+
+/**
  * Return a list of all the PIF_metrics instances known to the system.
  */
 extern bool
diff --git a/tools/libxen/include/xen_vbd_metrics.h b/tools/libxen/include/xen_vbd_metrics.h
index 3cd507b31e..f1aa420a34 100644
--- a/tools/libxen/include/xen_vbd_metrics.h
+++ b/tools/libxen/include/xen_vbd_metrics.h
@@ -64,6 +64,7 @@ typedef struct xen_vbd_metrics_record
     char *uuid;
     double io_read_kbs;
     double io_write_kbs;
+    time_t last_updated;
 } xen_vbd_metrics_record;
 
 /**
@@ -181,6 +182,13 @@ xen_vbd_metrics_get_io_write_kbs(xen_session *session, double *result, xen_vbd_m
 
 
 /**
+ * Get the last_updated field of the given VBD_metrics.
+ */
+extern bool
+xen_vbd_metrics_get_last_updated(xen_session *session, time_t *result, xen_vbd_metrics vbd_metrics);
+
+
+/**
  * Return a list of all the VBD_metrics instances known to the system.
  */
 extern bool
diff --git a/tools/libxen/include/xen_vif_metrics.h b/tools/libxen/include/xen_vif_metrics.h
index b5a26f25c6..2febab468d 100644
--- a/tools/libxen/include/xen_vif_metrics.h
+++ b/tools/libxen/include/xen_vif_metrics.h
@@ -64,6 +64,7 @@ typedef struct xen_vif_metrics_record
     char *uuid;
     double io_read_kbs;
     double io_write_kbs;
+    time_t last_updated;
 } xen_vif_metrics_record;
 
 /**
@@ -181,6 +182,13 @@ xen_vif_metrics_get_io_write_kbs(xen_session *session, double *result, xen_vif_m
 
 
 /**
+ * Get the last_updated field of the given VIF_metrics.
+ */
+extern bool
+xen_vif_metrics_get_last_updated(xen_session *session, time_t *result, xen_vif_metrics vif_metrics);
+
+
+/**
  * Return a list of all the VIF_metrics instances known to the system.
  */
 extern bool
diff --git a/tools/libxen/include/xen_vm_guest_metrics.h b/tools/libxen/include/xen_vm_guest_metrics.h
index 61b8b5b2b7..2734764526 100644
--- a/tools/libxen/include/xen_vm_guest_metrics.h
+++ b/tools/libxen/include/xen_vm_guest_metrics.h
@@ -69,6 +69,7 @@ typedef struct xen_vm_guest_metrics_record
     xen_string_string_map *disks;
     xen_string_string_map *networks;
     xen_string_string_map *other;
+    time_t last_updated;
 } xen_vm_guest_metrics_record;
 
 /**
@@ -216,6 +217,13 @@ xen_vm_guest_metrics_get_other(xen_session *session, xen_string_string_map **res
 
 
 /**
+ * Get the last_updated field of the given VM_guest_metrics.
+ */
+extern bool
+xen_vm_guest_metrics_get_last_updated(xen_session *session, time_t *result, xen_vm_guest_metrics vm_guest_metrics);
+
+
+/**
  * Return a list of all the VM_guest_metrics instances known to the
  * system.
  */
diff --git a/tools/libxen/include/xen_vm_metrics.h b/tools/libxen/include/xen_vm_metrics.h
index b03c4d4e3c..d686a7c99f 100644
--- a/tools/libxen/include/xen_vm_metrics.h
+++ b/tools/libxen/include/xen_vm_metrics.h
@@ -66,6 +66,7 @@ typedef struct xen_vm_metrics_record
     int64_t memory_actual;
     int64_t vcpus_number;
     xen_int_float_map *vcpus_utilisation;
+    time_t last_updated;
 } xen_vm_metrics_record;
 
 /**
@@ -190,6 +191,13 @@ xen_vm_metrics_get_vcpus_utilisation(xen_session *session, xen_int_float_map **r
 
 
 /**
+ * Get the last_updated field of the given VM_metrics.
+ */
+extern bool
+xen_vm_metrics_get_last_updated(xen_session *session, time_t *result, xen_vm_metrics vm_metrics);
+
+
+/**
  * Return a list of all the VM_metrics instances known to the system.
  */
 extern bool