Idle Instrumentation

The MYSQL_START_IDLE_WAIT and MYSQL_END_IDLE_WAIT macros, which mark the start and end of an idle wait event for the Performance Schema.

Instrumentation Interface

Macros

Name	Description
MYSQL_START_IDLE_WAIT	Instrumentation helper for table io_waits. This instrumentation marks the start of a wait event. See also: MYSQL_END_IDLE_WAIT.
MYSQL_END_IDLE_WAIT	Instrumentation helper for idle waits. This instrumentation marks the end of a wait event. See also: MYSQL_START_IDLE_WAIT.

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MYSQL_START_IDLE_WAIT

#define MYSQL_START_IDLE_WAIT(LOCKER, STATE, LOCKER, STATE) do {} while (0)

Defined in psi/mysql_idle.h:56

Instrumentation helper for table io_waits. This instrumentation marks the start of a wait event. See also: MYSQL_END_IDLE_WAIT.

Parameters

Parameter	Type	Description
LOCKER		the locker
STATE		the locker state
LOCKER		the locker
STATE		the locker state

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MYSQL_END_IDLE_WAIT

#define MYSQL_END_IDLE_WAIT(LOCKER, LOCKER) do {} while (0)

Defined in psi/mysql_idle.h:71

Instrumentation helper for idle waits. This instrumentation marks the end of a wait event. See also: MYSQL_START_IDLE_WAIT.

Parameters

Parameter	Type	Description
LOCKER		the locker
LOCKER		the locker