Monitor high CPU and virtual memory issues using Unified Operations Manager
Unified Operations Manager 8.6 and 8.7 provides an overview of CPU and virtual memory usage on your Cisco Unified Presence node. If usage is high, debug further using Unified RTMT.
Monitor high CPU and virtual memory issues using Unified RTMT
Unified RTMT provides an overview of CPU and Virtual Memory usage using the CPU and Memory tool. This provides overall system usage statistics for all nodes in an Cisco Unified Presence cluster.
Unified RTMT allows monitoring of usage statistics, and individual processes using the Process tool. Every process on the server reports data for the following:
The task's unique process ID, which periodically wraps, though never restarts at zero.
The task’s share of the elapsed CPU time since the last update.
The task's process status: 0 - Running, 1 - Sleeping, 2 - Uninterruptible disk sleep, 3 - Zombie, 4 - Traced or stopped (on a signal), 5 - Paging, 6 - Unknown.
Shared Memory (KB)
The amount of shared memory, in kilobytes (KB), that a task is using. Other processes could potentially share the same memory.
The nice value of the task. A negative nice value indicates that the process has a higher priority, while a positive nice value indicates that the process has a lower priority. If the nice value equals zero, do not adjust the priority when you are determining if the task can be dispatched.
The virtual memory (Vm) resident set size (RSS) that is currently in physical memory in KB, including Code, Data, and Stack.
The total amount of virtual memory, in KB, that the task is using. It includes all code, data, shared libraries, and pages that have been swapped out: Virtual Image = swapped size + resident size.
The virtual memory usage of the heap for the task in KB.
The number of threads that are currently grouped with the task. The negative value -1 indicates that this counter is currently not available because thread statistics (including all performance counters in the Thread object as well as the Thread Count counter in the Process object) have been turned off because the system's total processes and threads have exceeded the default threshold value.
Data Stack Size
The stack size for task memory status.
Page Fault Count
The number of major page faults that a task encountered that required the data to be loaded into memory.
High CPU issues
On Cisco Unified Presence, when you experience high overall CPU usage, Cisco recommends that you check the usage of the following processes that have historically caused high CPU on Cisco Unified Presence:
Cisco UP XCP Router
Cisco UP Presence Engine
Cisco UP XCP Connection Manager
Cisco UP XCP Web Connection Manager
Cisco UP XCP SIP Federation Connection Manager
Cisco UP XCP XMPP Federation Connection Manager
A Cisco DB
Cisco UP SIP Proxy
The cmoninit and sipd processes will both have 20+ individual instances, any one of which could be responsible for high CPU usage.
If the process consuming CPU is not in the preceding table, consult the following table for a list of other processes and their corresponding services. If the process causing high CPU is not in either table, the problem may reside with a system or platform service. Consult Cisco TAC for further assistance.
Cisco AMC Service
Cisco Audit Event Service
Cisco UP XCP Authentication Service
Cisco Bulk Provisioning Service
Cisco CDP Agent
Cisco Certificate Expiry Monitor
Cisco DRF Local
Cisco DRF Master
Cisco License Manager
Cisco Syslog Agent
A Cisco DB Replicator
Cisco Database Layer Monitor
Cisco UP Config Agent
Host Resources Agent
Cisco UP Intercluster Sync Agent
Cisco UP XCP Directory Service
Cisco Log Partition Monitoring Tool
Cisco UP XCP Message Archiver
Cisco OAM Agent
Cisco UP Replication Watcher
Cisco RIS Data Collector
Cisco Serviceability Reporter
System Application Agent
SNMP Master Agent
Cisco UP Server Recovery Manager
Cisco UP Sync Agent
Cisco UP XCP Text Conference Manager
Cisco UP Presence Engine Database
Cisco Trace Collection Service
Cisco UP Login Datastore
Cisco UP SIP Registration Datastore
Cisco UP Route Datastore
Cisco UP Presence Datastore
Cisco UP XCP Config Manager
The Cisco UP Presence Engine Database service exists only on Cisco Unified Presence Versions 8.6.3 and earlier. From Cisco Unified Presence 8.6.4 and later, it has been replaced by the ttlogin, ttreg, ttroute, and ttsoft datastore services.
High virtual memory issues
When experiencing high Virtual Memory usage on
Cisco Unified Presence, Cisco recommends that you monitor the VmSize of the following processes:
all of the Connection Manager processes (cm, cm_web, cm_sip_fed & cm_xmpp_fed)