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xiaoboluo768 edited this page Jun 14, 2020
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- 执行SHOW PROFILE [type [, type] ... ] [FOR QUERY n] [LIMIT row_count [OFFSET offset]] 语句的次数
type:
ALL
| BLOCK IO
| CONTEXT SWITCHES
| CPU
| IPC
| MEMORY
| PAGE FAULTS
| SOURCE
| SWAPS
......
Optional type values may be specified to display specific additional
types of information:
o ALL displays all information
o BLOCK IO displays counts for block input and output operations
o CONTEXT SWITCHES displays counts for voluntary and involuntary
context switches
o CPU displays user and system CPU usage times
o IPC displays counts for messages sent and received
o MEMORY is not currently implemented
o PAGE FAULTS displays counts for major and minor page faults
o SOURCE displays the names of functions from the source code, together
with the name and line number of the file in which the function
occurs
o SWAPS displays swap counts
上一篇:Slave_open_temp_tables | 下一篇:Locked_connects
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《千金良方--MySQL 性能优化金字塔法则》 一书的作者信息如下:
- 李春、罗小波、董红禹
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