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Cisco IOS XR Troubleshooting Guide for the Cisco CRS-1 Router
OL-21483-02
Chapter 1 General Troubleshooting
Gathering Information for Technical Support
monitor threads Command
Use the monitor threads command to display the top ten threads based on CPU usage in real time. The
display refreshes every 10 seconds.
RP/0/RP0/CPU0:router# monitor threads
Computing times...
235 processes; 822 threads;
CPU states: 96.7% idle, 0.9% user, 2.2% kernel
Memory: 4096M total, 3492M avail, page size 4K
JID TID PRI STATE HH:MM:SS CPU COMMAND
1 25 10 Run 0:00:16 2.24% procnto-600-smp-cisco-instr
65754 1 10 Rply 0:00:00 0.53% top
59 7 55 Rcv 0:01:41 0.04% eth_server
59 1 10 Rcv 0:00:47 0.04% eth_server
308 5 10 Rcv 0:00:21 0.04% shelfmgr
59 3 50 Sem 0:00:40 0.04% eth_server
308 1 10 Rcv 0:00:15 0.04% shelfmgr
341 18 10 Rcv 0:00:02 0.04% udp
261 9 10 Rcv 0:00:17 0.04% netio
261 4 10 Rcv 0:00:10 0.04% netio
Gathering Information for Technical Support
The following commands are useful for gathering information about your system before you contact
Cisco Technical Support. We recommend that you run these commands if time permits, especially if your
system has experienced a major problem.
• show install active summary
• show version
• show platform
• show run
• show context location all
• show log
• show inventory
• show diag
• show processes cpu
• show ip interface brief
• show route vrf-route all summary
In addition, you should upload any coredumps that were written to disk0:, disk1: or harddisk:.
The following commands can also be useful in revealing problems:
• show arm conflicts
• show arm ipv6 conflicts
• show placement