Troubleshooting Process Memory; Identifying Process Memory Problems - Cisco CRS-1 - Carrier Routing System Router Troubleshooting Manual

Chapter 9 Troubleshooting Memory

Troubleshooting Process Memory

TheCisco IOS XR Process Placement feature balances application processes between the available route
processors (RPs) and distributed route processors (DRPs) on a Cisco CRS-1 system, based on memory
usage and other criteria.
Under normal operating conditions, processes are managed automatically by the
Cisco IOS XR software. Processes are started, stopped, or restarted as required by the running
configuration of the router. In addition, processes are checkpointed to optimize performance during
process restart and automatic switchover.

Identifying Process Memory Problems

To identify process memory problems, perform the following procedure.
SUMMARY STEPS
1.
1.
2.
3.
4.
5.
6.
7.
DETAILED STEPS
Command or Action
Step 1
show watchdog memory-state location node-id
Example:
RP/0/RP0/CPU0:router# show watchdog
memory-state location 0/RP0/CPU0
Step 2
show processes memory [ job-id ] location node-id
Example:
RP/0/RP0/CPU0:router# show process memory
location 0/RP0/CPU0
OL-21483-02
show watchdog memory-state location node-id
show processes memory [job-id] location node-id
show memory job-id
show process memory job-id
show memory compare start
show memory compare end
show memory compare report
Contact Cisco Technical Support if the problem is not resolved.
Purpose
Displays the memory state for the node. If the node is not in
the normal state, proceed to
and identify possible memory leaks.
Displays information about the text, data, and stack usage
for all active processes on a specified node.The output lists
top memory users and identifies possible memory leaks.
After top memory users have been identified, note the job
ID and use the memory usage analyzer to discover the
processes causing a memory leak. See
Step 7 for how to use the memory usage analyzer.
Cisco IOS XR Troubleshooting Guide for the Cisco CRS-1 Router
Troubleshooting Process Memory
Step 2 to list top memory users
Step 5 through
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