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Detailed Explanation of NE20 CPU Usage Configuration

Publication Date:  2012-07-27 Views:  59 Downloads:  0
Issue Description
Detailed explanation of NE20 CPU usage  configuration.
Alarm Information
Null
Handling Process
1. The following is operation instance:
[NE20]dis cpu ?                                                            
INTEGER<1-60>  Number of items to display   //inquire the number of CPU usage//
configuration  Cpu usage configuration   
[NE20]dis cpu                                                              
===== Current CPU usage info =====                                              
CPU Usage Stat. Cycle: 58 (Second)  
CPU Usage            : 1%                    
CPU Usage Stat. Time : 2004-11-16  17:56:39  CPU Usage Stat. Tick : 0x5bf4(CPU Tick High) 0x40e82211(CPU Tick Low)  
Actual Stat. Cycle   : 0x0(CPU Tick High) 0x6d309f7e(CPU Tick Low)  
            
[NE20]dis cpu 1 ?                                                          
INTEGER<0-59>  Offset of begin item prior to most recent
history        History record                                                 
verbose        Verbose information //inquire detailed information//                     
                                             
[NE20]dis cpu 1 1 ?                                                        
history  History record  //from-disk: check reserved information of external storage device//
verbose  Verbose information                                                       
 
                                                                         
[NE20]dis cpu 1 1 his                                                      
Get cpu usage information from disk failed! 
                                    
[NE20]dis cpu 1 1 v                                                        
===== CPU usage info (no:  0  idx: 19) =====                                    
CPU Usage Stat. Cycle: 60 (Second)                                              
CPU Usage            : 1%                                                       
CPU Usage Stat. Time : 2004-11-16  17:55:40                                     
CPU Usage Stat. Tick : 0x5bf3(CPU Tick High) 0xd3a7f862(CPU Tick Low)           
Actual Stat. Cycle   : 0x0(CPU Tick High) 0x6fc6f778(CPU Tick Low)              
                                                                              
Note: CPU history record can be stored in hard disk and NE20 does not suport. When using keyword of history, it returned fault.   
Root Cause
NE20 checks CPU usage and there are many parameters. Detailed explanation is as follows:
1. CPU usage configuration:
【command】display cpu-usage configuration [slave | slot slotnum]
【function】Check CPU usage configuration, including CPU usage statistics, statistics period and CPU alarm threshhold.
【parameters】
slave: backup (under distribution)
slotnum: slot number (under distribution)
2. CPU usage statistics and command
【command】display cpu-usage shownum [preoff] [verbose] [slave | slot slotnum] [from-disk] 
【function】Check CPU usage configuration.
【parameter】
shownum: Inquire the number of Check CPU usage statistics.
preoff: Offset of begin item prior to most recent
verbose: inquire detailed information
slave: backup (under distribution)
slotnum: slot number (under distribution)
from-disk: check reserved information of external storage device (flash and hard disk)
3. CPU usage statistics and clear command
【command】reset cpu-usage record [slave | slot slotnum] [from-disk]
【function】clear CPU usage
【parameter】
slave: backup (under distribution)
slotnum: slot number (under distribution)from-disk: delete reserved information of external storage device (flash and hard disk)
Suggestions
Null

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