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  1. Traffic Server
  2. TS-1579

register_ShowNet calling is high load

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 3.2.0
    • Fix Version/s: 3.3.1
    • Component/s: Metrics
    • Labels:
      None

      Description

      a box running ts:

      run perf top
                   samples  pcnt function                                                      DSO
                   _______ _____ _____________________________________________________________ __________________
      
                   1270.00  7.8% register_ShowNet(Continuation*, HTTPHdr*)                     traffic_server    
                    860.00  5.3% copy_user_generic_string                                      [kernel.kallsyms] 
                    743.00  4.6% ixgbe_notify_dca                                              [ixgbe]           
                    425.00  2.6% ink_freelist_new                                              libtsutil.so.3.2.0
                    260.00  1.6% kmem_cache_free                                               [kernel.kallsyms] 
                    248.00  1.5% tcp_ack                                                       [kernel.kallsyms] 
                    246.00  1.5% kfree                                                         [kernel.kallsyms] 
                    232.00  1.4% intel_idle                                                    [kernel.kallsyms] 
                    228.00  1.4% __memcpy_ssse3_back                                           libc-2.12.so      
                    219.00  1.4% PriorityEventQueue::enqueue(Event*, long)                     traffic_server    
                    181.00  1.1% _spin_lock                                                    [kernel.kallsyms] 
                    176.00  1.1% ink_freelist_free                                             libtsutil.so.3.2.0
                    158.00  1.0% ip_route_input                                                [kernel.kallsyms] 
                    135.00  0.8% __inet_lookup_established                                     [kernel.kallsyms] 
                    126.00  0.8% register_stat_callbacks()                                     traffic_server    
      
      

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              • Assignee:
                kuotai Bin Chen
                Reporter:
                kuotai Bin Chen
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                Dates

                • Created:
                  Updated:
                  Resolved: