| Parameter | Description | Value | 
|---|---|---|
| slot slot-id | Specifies a slot ID. | The value range depends on the device configuration. | 
| cpu cpu-id | Specifies a CPU ID. | The value range depends on the device configuration. | 
Before running this command, you must run the defence engine enable command to enable the IAE.
# Display engine statistics.
<HUAWEI> display engine statistics
Engine statistic on slot 0 cpu 0 :                                              
------------------------------------------------------------------------------  
Engine Statistic Table                                                          
------------------------------------------------------------------------------  
  Event statistic:                                                              
------------------------------------------------------------------------------  
    Total Alert Events  :          0                                            
    Total Block Events  :          0                                            
  ----------------------------------------------------------------------------  
    Application                             Alert Events            Block Events
  ----------------------------------------------------------------------------  
------------------------------------------------------------------------------  
                                                                                
  Traffic statistic:                                                            
------------------------------------------------------------------------------  
    Total Traffic  :               0                                            
  ----------------------------------------------------------------------------  
    Application                                   Traffic                       
  ----------------------------------------------------------------------------  
    DECODING                                           0                        
------------------------------------------------------------------------------  
                                                                                
  File statistic:                                                               
------------------------------------------------------------------------------  
    Total File  :               0                                               
  ----------------------------------------------------------------------------  
    Application                                     File                        
  ----------------------------------------------------------------------------  
    DECODING                                           0                        
------------------------------------------------------------------------------  
| Item | Description | 
|---|---|
| Engine Statistic Table | Engine statistics table | 
| Event statistic | Event statistics | 
| Total Alert Events | Total number of alarm events | 
| Total Block Events | Total number of block events | 
| Application | Feature name | 
| Alert Events | Number of alarm events corresponding to a feature | 
| Block Events | Number of block events corresponding to a feature | 
| Traffic statistic | Traffic statistics | 
| Total Traffic | Total volume of traffic | 
| Traffic | Volume of traffic processed in a feature | 
| File statistic | File statistics | 
| Total File | File size | 
| File | Size of files processed in a feature | 
| DECODING | Number of decoding. |