Add missing metrics (#27)

Author: v-zhuravlev

docs/node-observ-lib/panels.libsonnet

@@ -441,7 +441,7 @@ local utils = commonlib.utils;
       memorySharedAndMapped:
         commonlib.panels.memory.timeSeries.usageBytes.new(
           'Memory shared and mapped',
-          targets=[t.memoryMappedBytes, t.memoryShmemBytes, t.memoryShmemBytes, t.memoryShmemHugePagesBytes],
+          targets=[t.memoryMappedBytes, t.memoryShmemBytes, t.memoryShmemPmdMappedBytes, t.memoryShmemHugePagesBytes],
           description=|||
             - Mapped: This refers to the memory used in mapped page files that have been memory mapped, such as libraries.
             - Shmem: This is the memory used by shared memory, which is shared between multiple processes, including RAM disks.
@@ -1073,7 +1073,12 @@ local utils = commonlib.utils;
         local override = g.panel.timeSeries.standardOptions.override;
         commonlib.panels.network.timeSeries.packets.new(
           'UDP datagrams',
-          targets=[t.networkNetstatIPInUDPPerSec, t.networkNetstatIPOutUDPPerSec],
+          targets=[
+            t.networkNetstatIPInUDPPerSec,
+            t.networkNetstatIPOutUDPPerSec,
+            t.networkNetstatIPInUDP6PerSec,
+            t.networkNetstatIPOutUDP6PerSec,
+          ],
           description='Rate of UDP datagrams received and transmitted.'
         )
         + commonlib.panels.network.timeSeries.traffic.withNegateOutPackets()

docs/node-observ-lib/targets.libsonnet

@@ -491,13 +491,13 @@ local lokiQuery = g.query.loki;
     diskIOreadBytesPerSec:
       prometheusQuery.new(
         prometheusDatasource,
-        'irate(node_disk_reads_completed_total{%(queriesSelector)s, %(diskDeviceSelector)s}[$__rate_interval])' % variables { diskDeviceSelector: config.diskDeviceSelector },
+        'irate(node_disk_read_bytes_total{%(queriesSelector)s, %(diskDeviceSelector)s}[$__rate_interval])' % variables { diskDeviceSelector: config.diskDeviceSelector },
       )
       + prometheusQuery.withLegendFormat('{{ device }} read'),
     diskIOwriteBytesPerSec:
       prometheusQuery.new(
         prometheusDatasource,
-        'irate(node_disk_writes_completed_total{%(queriesSelector)s, %(diskDeviceSelector)s}[$__rate_interval])' % variables { diskDeviceSelector: config.diskDeviceSelector },
+        'irate(node_disk_written_bytes_total{%(queriesSelector)s, %(diskDeviceSelector)s}[$__rate_interval])' % variables { diskDeviceSelector: config.diskDeviceSelector },
       )
       + prometheusQuery.withLegendFormat('{{ device }} written'),
     diskIOutilization:
@@ -661,7 +661,7 @@ local lokiQuery = g.query.loki;
     networkArpEntries:
       prometheusQuery.new(
         prometheusDatasource,
-        'node_network_arp{%(queriesSelector)s}' % variables,
+        'node_arp_entries{%(queriesSelector)s}' % variables,
       ),
     networkMtuBytes:
       prometheusQuery.new(
@@ -998,6 +998,20 @@ local lokiQuery = g.query.loki;
       )
       + prometheusQuery.withLegendFormat('UDP transmitted'),
 
+    networkNetstatIPInUDP6PerSec:
+      prometheusQuery.new(
+        prometheusDatasource,
+        'irate(node_netstat_Udp6_InDatagrams{%(queriesSelector)s}[$__rate_interval])' % variables
+      )
+      + prometheusQuery.withLegendFormat('UDP6 received'),
+
+    networkNetstatIPOutUDP6PerSec:
+      prometheusQuery.new(
+        prometheusDatasource,
+        'irate(node_netstat_Udp6_OutDatagrams{%(queriesSelector)s}[$__rate_interval])' % variables
+      )
+      + prometheusQuery.withLegendFormat('UDP6 transmitted'),
+
     //UDP errors
     networkNetstatUDPLiteInErrorsPerSec:
       prometheusQuery.new(