troubleshooting high CPU utilization

For troubleshooting high CPU utilization in specific processes, refer
to the appropriate link:

• ARP Input—ARP Input section of the document Troubleshooting High CPU
  Utilization Due to Processes
• BGP Router—High CPU due to BGP Router Process section of the document
  Troubleshooting High CPU Caused by the BGP Scanner or BGP Router
  Process
• BGP Scanner—High CPU due to BGP Scanner section of the document
  Troubleshooting High CPU Caused by the BGP Scanner or BGP Router
  Process
• EXEC—High CPU
  Utilization in the EXEC and Virtual EXEC Processes
• HyBridge Input—Troubleshooting High CPU Utilization Caused by the HyBridge Input
  Process on Routers With ATM Interfaces
• IP Input—Troubleshooting High CPU Utilization Due to the IP Input
  Process
• IP Simple Network Management Protocol (SNMP)—IP Simple Network Management Protocol
  (SNMP) Causes High CPU Utilization
• LC ADJ Updater—What Causes High CPU Utilization in the LC Adjacency Updater
  Process on a Cisco 12000 Series Internet Router?
• TCP Timer—TCP Timer section of the document Troubleshooting High CPU
  Utilization due to Processes
• TTY Background—TTY Background section of the document Troubleshooting High
  CPU Utilization due to Processes
• Virtual EXEC—High CPU Utilization in Exec and Virtual Exec
  Processes
• Vtemplate Backgr—Virtual Template Background section of the document
  Troubleshooting High CPU Utilization due to Processes
• Other processes—Other Processes section of the document Troubleshooting High
  CPU Utilization due to Processes

Source: http://www.cisco.com/en/US/products/hw/routers/ps133/products_tech_note09186a00800a70f2.shtml