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MDEV-26043: Fix performance_schema instrument "threadpool/group_mutex"
The performance_schema data related to instrument "wait/synch/mutex/threadpool/group_mutex" was incorrect. The root cause is the group_mutex was initialized in thread_group_init before registerd in PSI_register(mutex). The fix is to put PSI_register before thread_group_init, which ensures the right order.
This commit is contained in:
committed by
Vladislav Vaintroub
parent
fc2ec25733
commit
ddad20c63b
@ -1601,6 +1601,9 @@ int TP_pool_generic::init()
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sql_print_error("Allocation failed");
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DBUG_RETURN(-1);
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}
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PSI_register(mutex);
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PSI_register(cond);
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PSI_register(thread);
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scheduler_init();
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threadpool_started= true;
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for (uint i= 0; i < threadpool_max_size; i++)
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@ -1614,10 +1617,6 @@ int TP_pool_generic::init()
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sql_print_error("Can't set threadpool size to %d",threadpool_size);
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DBUG_RETURN(-1);
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}
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PSI_register(mutex);
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PSI_register(cond);
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PSI_register(thread);
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pool_timer.tick_interval= threadpool_stall_limit;
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start_timer(&pool_timer);
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DBUG_RETURN(0);
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