feat(pprof): add pprof support for profiling and diagnostics #3178
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关联的 issue
#3177
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确认项(pr提交后操作)
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请在指定复审人之前,确认并完成以下事项,完成后✅
not_compatibleneed_update_docDescription
新增 pprof 配置项
实现多种 profile 采集功能
新增独立 pprof HTTP 服务器
增强信号处理支持 SIGUSR1
Diagram Walkthrough
File Walkthrough
config.go
新增 pprof 端口配置项sqle/config/config.go
collector.go
新增 pprof 采集模块及工具函数sqle/pprof/collector.go
server.go
新增独立 pprof HTTP 服务器模块sqle/pprof/server.go
sqled.go
修改信号处理与启动 pprof 服务sqle/sqled.go