下载tidb代码

选择VCS
添加github地址

配置 GOPATH GOPROXY

从环境变量配置

# ~/.profile
export GOPATH=/data1/mycode/gopath
export GOPROXY=https://goproxy.cn

从Gland 配置

gopath
goproxy

使用go mod 下载依赖包

#在terminel执行
go mod download

编译tidb-server

/usr/bin/make -f /data1/mycode/tidb_debug/Makefile server

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makefile

debug 执行tidb-server

CGO_ENABLED=1 GO111MODULE=on go build  -tags codes  -ldflags '-X "github.com/pingcap/parser/mysql.TiDBReleaseVersion=v4.0.0-beta.2-2463-g82bfdcab3" -X "github.com/pingcap/tidb/util/versioninfo.TiDBBuildTS=2021-03-26 08:49:46" -X "github.com/pingcap/tidb/util/versioninfo.TiDBGitHash=82bfdcab376e5c974700f0b6cae4f835c57a193a" -X "github.com/pingcap/tidb/util/versioninfo.TiDBGitBranch=master" -X "github.com/pingcap/tidb/util/versioninfo.TiDBEdition=Community" ' -o bin/tidb-server tidb-server/main.go

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打断点追踪sql语句（未完）