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perfschema thread instrumentation related changes

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This commit is contained in:
Sergei Golubchik
2020-02-14 16:47:59 +01:00
parent 0d837e8153
commit 6ded554fc2
7 changed files with 76 additions and 36 deletions
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20
sql/sql_connect.cc
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@ -1435,6 +1435,10 @@ end_thread:
!(connect= cache_thread(thd)))
break;
/* Create new instrumentation for the new THD job */
PSI_CALL_set_thread(PSI_CALL_new_thread(key_thread_one_connection, thd,
thd->thread_id));
if (!(connect->create_thd(thd)))
{
/* Out of resources. Free thread to get more resources */
@ -1449,13 +1453,6 @@ end_thread:
*/
thd->store_globals();
/*
Create new instrumentation for the new THD job,
and attach it to this running pthread.
*/
PSI_CALL_set_thread(PSI_CALL_new_thread(key_thread_one_connection,
thd, thd->thread_id));
/* reset abort flag for the thread */
thd->mysys_var->abort= 0;
thd->thr_create_utime= microsecond_interval_timer();
@ -1576,5 +1573,14 @@ THD *CONNECT::create_thd(THD *thd)
thd->scheduler= scheduler;
thd->real_id= pthread_self(); /* Duplicates THD::store_globals() setting. */
/* Attach PSI instrumentation to the new THD */
PSI_thread *psi= PSI_CALL_get_thread();
PSI_CALL_set_thread_os_id(psi);
PSI_CALL_set_thread_THD(psi, thd);
PSI_CALL_set_thread_id(psi, thd->thread_id);
thd->set_psi(psi);
DBUG_RETURN(thd);
}