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kn0tsel

MySQL-12

kn0tsel
Nov 23rd, 2012
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  1. Analysis of sampling mysqld (pid 51710) every 1 millisecond
  2. Process:         mysqld [51710]
  3. Path:            /opt/local/lib/mysql55/bin/mysqld
  4. Load Address:    0x108725000
  5. Identifier:      mysqld
  6. Version:         ??? (???)
  7. Code Type:       X86-64 (Native)
  8. Parent Process:  sh [51614]
  9.  
  10. Date/Time:       2012-11-23 14:29:37.102 +0100
  11. OS Version:      Mac OS X 10.7.5 (11G63)
  12. Report Version:  7
  13.  
  14. Call graph:
  15.     2578 Thread_880949   DispatchQueue_1: com.apple.main-thread  (serial)
  16.     + 2578 start  (in mysqld) + 52  [0x108727a14]
  17.     +   2578 mysqld_main(int, char**)  (in mysqld) + 14243  [0x1087fe3e3]
  18.     +     2578 handle_connections_sockets()  (in mysqld) + 436  [0x1087fee04]
  19.     +       2578 poll  (in libsystem_kernel.dylib) + 10  [0x7fff86e47a7a]
  20.     2578 Thread_880950
  21.     + 2578 thread_start  (in libsystem_c.dylib) + 13  [0x7fff8d623b75]
  22.     +   2578 _pthread_start  (in libsystem_c.dylib) + 335  [0x7fff8d6208bf]
  23.     +     2578 io_handler_thread  (in mysqld) + 88  [0x108a61b58]
  24.     +       2578 fil_aio_wait  (in mysqld) + 63  [0x1089f425f]
  25.     +         2578 os_aio_simulated_handle  (in mysqld) + 827  [0x108a1ccab]
  26.     +           2578 os_event_wait_low  (in mysqld) + 59  [0x108a1ec6b]
  27.     +             2578 os_cond_wait  (in mysqld) + 19  [0x108a1df33]
  28.     +               2578 _pthread_cond_wait  (in libsystem_c.dylib) + 840  [0x7fff8d624274]
  29.     +                 2578 __psynch_cvwait  (in libsystem_kernel.dylib) + 10  [0x7fff86e46bca]
  30.     2578 Thread_880951
  31.     + 2578 thread_start  (in libsystem_c.dylib) + 13  [0x7fff8d623b75]
  32.     +   2578 _pthread_start  (in libsystem_c.dylib) + 335  [0x7fff8d6208bf]
  33.     +     2578 io_handler_thread  (in mysqld) + 88  [0x108a61b58]
  34.     +       2578 fil_aio_wait  (in mysqld) + 63  [0x1089f425f]
  35.     +         2578 os_aio_simulated_handle  (in mysqld) + 827  [0x108a1ccab]
  36.     +           2578 os_event_wait_low  (in mysqld) + 59  [0x108a1ec6b]
  37.     +             2578 os_cond_wait  (in mysqld) + 19  [0x108a1df33]
  38.     +               2578 _pthread_cond_wait  (in libsystem_c.dylib) + 840  [0x7fff8d624274]
  39.     +                 2578 __psynch_cvwait  (in libsystem_kernel.dylib) + 10  [0x7fff86e46bca]
  40.     2578 Thread_880952
  41.     + 2578 thread_start  (in libsystem_c.dylib) + 13  [0x7fff8d623b75]
  42.     +   2578 _pthread_start  (in libsystem_c.dylib) + 335  [0x7fff8d6208bf]
  43.     +     2578 io_handler_thread  (in mysqld) + 88  [0x108a61b58]
  44.     +       2578 fil_aio_wait  (in mysqld) + 63  [0x1089f425f]
  45.     +         2578 os_aio_simulated_handle  (in mysqld) + 827  [0x108a1ccab]
  46.     +           2578 os_event_wait_low  (in mysqld) + 59  [0x108a1ec6b]
  47.     +             2578 os_cond_wait  (in mysqld) + 19  [0x108a1df33]
  48.     +               2578 _pthread_cond_wait  (in libsystem_c.dylib) + 840  [0x7fff8d624274]
  49.     +                 2578 __psynch_cvwait  (in libsystem_kernel.dylib) + 10  [0x7fff86e46bca]
  50.     2578 Thread_880953
  51.     + 2578 thread_start  (in libsystem_c.dylib) + 13  [0x7fff8d623b75]
  52.     +   2578 _pthread_start  (in libsystem_c.dylib) + 335  [0x7fff8d6208bf]
  53.     +     2578 io_handler_thread  (in mysqld) + 88  [0x108a61b58]
  54.     +       2578 fil_aio_wait  (in mysqld) + 63  [0x1089f425f]
  55.     +         2578 os_aio_simulated_handle  (in mysqld) + 827  [0x108a1ccab]
  56.     +           2578 os_event_wait_low  (in mysqld) + 59  [0x108a1ec6b]
  57.     +             2578 os_cond_wait  (in mysqld) + 19  [0x108a1df33]
  58.     +               2578 _pthread_cond_wait  (in libsystem_c.dylib) + 840  [0x7fff8d624274]
  59.     +                 2578 __psynch_cvwait  (in libsystem_kernel.dylib) + 10  [0x7fff86e46bca]
  60.     2578 Thread_880954
  61.     + 2578 thread_start  (in libsystem_c.dylib) + 13  [0x7fff8d623b75]
  62.     +   2578 _pthread_start  (in libsystem_c.dylib) + 335  [0x7fff8d6208bf]
  63.     +     2578 io_handler_thread  (in mysqld) + 88  [0x108a61b58]
  64.     +       2578 fil_aio_wait  (in mysqld) + 63  [0x1089f425f]
  65.     +         2578 os_aio_simulated_handle  (in mysqld) + 827  [0x108a1ccab]
  66.     +           2578 os_event_wait_low  (in mysqld) + 59  [0x108a1ec6b]
  67.     +             2578 os_cond_wait  (in mysqld) + 19  [0x108a1df33]
  68.     +               2578 _pthread_cond_wait  (in libsystem_c.dylib) + 840  [0x7fff8d624274]
  69.     +                 2578 __psynch_cvwait  (in libsystem_kernel.dylib) + 10  [0x7fff86e46bca]
  70.     2578 Thread_880955
  71.     + 2578 thread_start  (in libsystem_c.dylib) + 13  [0x7fff8d623b75]
  72.     +   2578 _pthread_start  (in libsystem_c.dylib) + 335  [0x7fff8d6208bf]
  73.     +     2578 io_handler_thread  (in mysqld) + 88  [0x108a61b58]
  74.     +       2578 fil_aio_wait  (in mysqld) + 63  [0x1089f425f]
  75.     +         2578 os_aio_simulated_handle  (in mysqld) + 827  [0x108a1ccab]
  76.     +           2578 os_event_wait_low  (in mysqld) + 59  [0x108a1ec6b]
  77.     +             2578 os_cond_wait  (in mysqld) + 19  [0x108a1df33]
  78.     +               2578 _pthread_cond_wait  (in libsystem_c.dylib) + 840  [0x7fff8d624274]
  79.     +                 2578 __psynch_cvwait  (in libsystem_kernel.dylib) + 10  [0x7fff86e46bca]
  80.     2578 Thread_880956
  81.     + 2578 thread_start  (in libsystem_c.dylib) + 13  [0x7fff8d623b75]
  82.     +   2578 _pthread_start  (in libsystem_c.dylib) + 335  [0x7fff8d6208bf]
  83.     +     2578 io_handler_thread  (in mysqld) + 88  [0x108a61b58]
  84.     +       2578 fil_aio_wait  (in mysqld) + 63  [0x1089f425f]
  85.     +         2578 os_aio_simulated_handle  (in mysqld) + 827  [0x108a1ccab]
  86.     +           2578 os_event_wait_low  (in mysqld) + 59  [0x108a1ec6b]
  87.     +             2578 os_cond_wait  (in mysqld) + 19  [0x108a1df33]
  88.     +               2578 _pthread_cond_wait  (in libsystem_c.dylib) + 840  [0x7fff8d624274]
  89.     +                 2578 __psynch_cvwait  (in libsystem_kernel.dylib) + 10  [0x7fff86e46bca]
  90.     2578 Thread_880957
  91.     + 2578 thread_start  (in libsystem_c.dylib) + 13  [0x7fff8d623b75]
  92.     +   2578 _pthread_start  (in libsystem_c.dylib) + 335  [0x7fff8d6208bf]
  93.     +     2578 io_handler_thread  (in mysqld) + 88  [0x108a61b58]
  94.     +       2578 fil_aio_wait  (in mysqld) + 63  [0x1089f425f]
  95.     +         2578 os_aio_simulated_handle  (in mysqld) + 827  [0x108a1ccab]
  96.     +           2578 os_event_wait_low  (in mysqld) + 59  [0x108a1ec6b]
  97.     +             2578 os_cond_wait  (in mysqld) + 19  [0x108a1df33]
  98.     +               2578 _pthread_cond_wait  (in libsystem_c.dylib) + 840  [0x7fff8d624274]
  99.     +                 2578 __psynch_cvwait  (in libsystem_kernel.dylib) + 10  [0x7fff86e46bca]
  100.     2578 Thread_880958
  101.     + 2578 thread_start  (in libsystem_c.dylib) + 13  [0x7fff8d623b75]
  102.     +   2578 _pthread_start  (in libsystem_c.dylib) + 335  [0x7fff8d6208bf]
  103.     +     2578 io_handler_thread  (in mysqld) + 88  [0x108a61b58]
  104.     +       2578 fil_aio_wait  (in mysqld) + 63  [0x1089f425f]
  105.     +         2578 os_aio_simulated_handle  (in mysqld) + 827  [0x108a1ccab]
  106.     +           2578 os_event_wait_low  (in mysqld) + 59  [0x108a1ec6b]
  107.     +             2578 os_cond_wait  (in mysqld) + 19  [0x108a1df33]
  108.     +               2578 _pthread_cond_wait  (in libsystem_c.dylib) + 840  [0x7fff8d624274]
  109.     +                 2578 __psynch_cvwait  (in libsystem_kernel.dylib) + 10  [0x7fff86e46bca]
  110.     2578 Thread_880959
  111.     + 2578 thread_start  (in libsystem_c.dylib) + 13  [0x7fff8d623b75]
  112.     +   2578 _pthread_start  (in libsystem_c.dylib) + 335  [0x7fff8d6208bf]
  113.     +     2578 io_handler_thread  (in mysqld) + 88  [0x108a61b58]
  114.     +       2578 fil_aio_wait  (in mysqld) + 63  [0x1089f425f]
  115.     +         2578 os_aio_simulated_handle  (in mysqld) + 827  [0x108a1ccab]
  116.     +           2578 os_event_wait_low  (in mysqld) + 59  [0x108a1ec6b]
  117.     +             2578 os_cond_wait  (in mysqld) + 19  [0x108a1df33]
  118.     +               2578 _pthread_cond_wait  (in libsystem_c.dylib) + 840  [0x7fff8d624274]
  119.     +                 2578 __psynch_cvwait  (in libsystem_kernel.dylib) + 10  [0x7fff86e46bca]
  120.     2578 Thread_880961
  121.     + 2578 thread_start  (in libsystem_c.dylib) + 13  [0x7fff8d623b75]
  122.     +   2578 _pthread_start  (in libsystem_c.dylib) + 335  [0x7fff8d6208bf]
  123.     +     2577 srv_lock_timeout_thread  (in mysqld) + 128  [0x108a5dca0]
  124.     +     ! 2577 os_event_wait_time_low  (in mysqld) + 275  [0x108a1eda3]
  125.     +     !   2577 _pthread_cond_wait  (in libsystem_c.dylib) + 840  [0x7fff8d624274]
  126.     +     !     2577 __psynch_cvwait  (in libsystem_kernel.dylib) + 10  [0x7fff86e46bca]
  127.     +     1 srv_lock_timeout_thread  (in mysqld) + 204  [0x108a5dcec]
  128.     2578 Thread_880962
  129.     + 2578 thread_start  (in libsystem_c.dylib) + 13  [0x7fff8d623b75]
  130.     +   2578 _pthread_start  (in libsystem_c.dylib) + 335  [0x7fff8d6208bf]
  131.     +     2576 srv_error_monitor_thread  (in mysqld) + 510  [0x108a5dffe]
  132.     +     ! 2576 os_event_wait_time_low  (in mysqld) + 275  [0x108a1eda3]
  133.     +     !   2576 _pthread_cond_wait  (in libsystem_c.dylib) + 840  [0x7fff8d624274]
  134.     +     !     2576 __psynch_cvwait  (in libsystem_kernel.dylib) + 10  [0x7fff86e46bca]
  135.     +     2 srv_error_monitor_thread  (in mysqld) + 416  [0x108a5dfa0]
  136.     +       2 sync_array_print_long_waits  (in mysqld) + 190  [0x108a6295e]
  137.     2578 Thread_880963
  138.     + 2578 thread_start  (in libsystem_c.dylib) + 13  [0x7fff8d623b75]
  139.     +   2578 _pthread_start  (in libsystem_c.dylib) + 335  [0x7fff8d6208bf]
  140.     +     2578 srv_monitor_thread  (in mysqld) + 228  [0x108a5da24]
  141.     +       2578 os_event_wait_time_low  (in mysqld) + 275  [0x108a1eda3]
  142.     +         2578 _pthread_cond_wait  (in libsystem_c.dylib) + 840  [0x7fff8d624274]
  143.     +           2578 __psynch_cvwait  (in libsystem_kernel.dylib) + 10  [0x7fff86e46bca]
  144.     2578 Thread_880964
  145.     + 2578 thread_start  (in libsystem_c.dylib) + 13  [0x7fff8d623b75]
  146.     +   2578 _pthread_start  (in libsystem_c.dylib) + 335  [0x7fff8d6208bf]
  147.     +     2578 srv_master_thread  (in mysqld) + 4016  [0x108a5f380]
  148.     +       2578 os_event_wait_low  (in mysqld) + 59  [0x108a1ec6b]
  149.     +         2578 os_cond_wait  (in mysqld) + 19  [0x108a1df33]
  150.     +           2578 _pthread_cond_wait  (in libsystem_c.dylib) + 840  [0x7fff8d624274]
  151.     +             2578 __psynch_cvwait  (in libsystem_kernel.dylib) + 10  [0x7fff86e46bca]
  152.     2578 Thread_880969
  153.       2578 thread_start  (in libsystem_c.dylib) + 13  [0x7fff8d623b75]
  154.         2578 _pthread_start  (in libsystem_c.dylib) + 335  [0x7fff8d6208bf]
  155.           2578 signal_hand  (in mysqld) + 1099  [0x1087fa81b]
  156.             2578 sigwait  (in libsystem_c.dylib) + 68  [0x7fff8d5d6aab]
  157.               2578 __sigwait  (in libsystem_kernel.dylib) + 10  [0x7fff86e47036]
  158.  
  159. Total number in stack (recursive counted multiple, when >=5):
  160.         15       _pthread_start  (in libsystem_c.dylib) + 335  [0x7fff8d6208bf]
  161.         15       thread_start  (in libsystem_c.dylib) + 13  [0x7fff8d623b75]
  162.         14       __psynch_cvwait  (in libsystem_kernel.dylib) + 0  [0x7fff86e46bc0]
  163.         14       _pthread_cond_wait  (in libsystem_c.dylib) + 840  [0x7fff8d624274]
  164.         11       os_cond_wait  (in mysqld) + 19  [0x108a1df33]
  165.         11       os_event_wait_low  (in mysqld) + 59  [0x108a1ec6b]
  166.         10       fil_aio_wait  (in mysqld) + 63  [0x1089f425f]
  167.         10       io_handler_thread  (in mysqld) + 88  [0x108a61b58]
  168.         10       os_aio_simulated_handle  (in mysqld) + 827  [0x108a1ccab]
  169.  
  170. Sort by top of stack, same collapsed (when >= 5):
  171.         __psynch_cvwait  (in libsystem_kernel.dylib)        36089
  172.         __sigwait  (in libsystem_kernel.dylib)        2578
  173.         poll  (in libsystem_kernel.dylib)        2578
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