Mysql自带profiling性能分析工具使用分享

1. show variables like '%profiling%';(查看profiling信息)    

 

2. set profiling=1;（开启profiling）

 

3. 执行sql查询 

例:select goods_name from ecs_goods where goods_id <5000;

 

show  profiles;

 

4. show profile for query 4;

 

show profile 的格式如下：

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