Pprof 和 golang - 如何解释结果

# 使用 Pprof 分析和优化 Golang 程序性能

go
package main
import (
%t_ "net/http/pprof"
%t"net/http"
%t"time"
)
func main() {
%t// 启动 HTTP 服务器并注册 Pprof 处理器
%tgo func() {
%t%thttp.ListenAndServe("localhost:6060", nil)
%t}()
%t// 在这里编写你的业务逻辑
%t// ...
%t// 为了确保程序在分析期间保持活动，可以在程序中加入一些等待时间
%ttime.Sleep(300 * time.Second)
}

go
package main
import (
%t"fmt"
%t"math/rand"
%t"time"
)
func main() {
%trand.Seed(time.Now().UnixNano())
%tdata := generateData(1000000)
%tresult := process(data)
%tfmt.Println(result)
}
func generateData(size int) []int {
%tdata := make([]int, size)
%tfor i := 0; i < size; i++ {
%t%tdata[i] = rand.Intn(100)
%t}
%treturn data
}
func process(data []int) int {
%tresult := 0
%tfor _, value := range data {
%t%tresult += expensiveOperation(value)
%t}
%treturn result
}
func expensiveOperation(value int) int {
%ttime.Sleep(time.Millisecond) // 模拟昂贵的计算
%treturn value * 2
}

go
package main
import (
%t_ "net/http/pprof"
%t"net/http"
%t"time"
)
func main() {
%tgo func() {
%t%thttp.ListenAndServe("localhost:6060", nil)
%t}()
%trand.Seed(time.Now().UnixNano())
%tdata := generateData(1000000)
%tresult := process(data)
%tfmt.Println(result)
%ttime.Sleep(300 * time.Second)
}