[TS-1579] register_ShowNet calling is high load

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.2.0
• Fix Version/s: 3.3.1
• Component/s: Metrics
• Assignee: Bin Chen
• Reporter: Bin Chen
• Created: 20/Nov/12 07:59
• Updated: 14/Dec/12 17:24
• Resolved: 14/Dec/12 07:59

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    

Issue Links

• relates to: TS-1223 Crash report: http_ui show network connections