performance_timers
This page is part of MariaDB's Documentation.
The parent of this page is: Performance Schema for MariaDB Enterprise Server
Topics on this page:
Overview
A description for this Performance-schema Table has not yet been added to this Documentation.
USAGE
DETAILS
SYNONYMS
SCHEMA
CREATE TABLE `performance_timers` (
`TIMER_NAME` enum('CYCLE','NANOSECOND','MICROSECOND','MILLISECOND','TICK') NOT NULL COMMENT 'Time name, used in the setup_timers table.',
`TIMER_FREQUENCY` bigint(20) DEFAULT NULL COMMENT 'Number of timer units per second. Dependent on the processor speed.',
`TIMER_RESOLUTION` bigint(20) DEFAULT NULL COMMENT 'Number of timer units by which timed values increase each time.',
`TIMER_OVERHEAD` bigint(20) DEFAULT NULL COMMENT 'Minimum timer overhead, determined during initialization by calling the timer 20 times and selecting the smallest value. Total overhead will be at least double this, as the timer is called at the beginning and end of each timed event.'
)
PARAMETERS
SKYSQL
PRIVILEGES
EXAMPLES
ERROR HANDLING
FEATURE INTERACTION
RESPONSES
DIAGNOSIS
ISO 9075:2016
CHANGE HISTORY
Release Series | History |
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11.4 Enterprise |
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10.6 Enterprise |
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10.6 Community |
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10.5 Enterprise |
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10.5 Community |
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10.4 Enterprise |
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10.4 Community |
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10.3 Enterprise |
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10.3 Community |
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10.2 Enterprise |
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10.2 Community |
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Release Series | History |
---|---|
11.4 Enterprise |
|
10.6 Enterprise |
|
10.5 Enterprise |
|
10.4 Enterprise |
|
RELATED TOPICS
EXTERNAL REFERENCES
Additional information on this topic may be found in the MariaDB Public Knowledge Base.