Mysql Self-band profiling performance analysis tools use sharing _mysql

Source: Internet
Author: User
1. Show variables like '%profiling% ';(View profiling information)


2. Set profiling=1; (open profiling)


3. Execute SQL query
Example: Select Goods_name from Ecs_goods where goods_id <5000;
Show Profiles;

4. Show profiles for query 4;


The format of show profile is as follows:
Show profile [Type [, type] ...]
[for QUERY N]
[LIMIT row_count [offset offset]]
Type
All
| Block IO
| Context Switches
| Cpu
| Ipc
| MEMORY
| PAGE faults
| SOURCE
| SWAPS
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