mirror of
https://gitcode.com/JianFeeeee/HomeAgent.git
synced 2026-09-21 17:38:10 +00:00
304cad0648
- docs/zh/架构迁移评估.md: C ABI→子进程+共享内存完整迁移论证(1621行) - docs/zh/experiments/: 18项可复跑可行性实验(架构评估的所有数字来源) - plan.md §11: 11.1~11.9 插件架构缺陷修复清单(唯一权威编号) - main 保持干净,本批次为 update 特性分支的整改起点
69 lines
2.1 KiB
Go
69 lines
2.1 KiB
Go
//go:build ignore
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package main
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import (
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"fmt"
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"os"
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"os/exec"
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"strconv"
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"strings"
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"time"
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)
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func pssKB(pid int) int {
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b, err := os.ReadFile(fmt.Sprintf("/proc/%d/smaps_rollup", pid))
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if err != nil { return -1 }
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for _, l := range strings.Split(string(b), "\n") {
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if strings.HasPrefix(l, "Pss:") { f := strings.Fields(l); n,_ := strconv.Atoi(f[1]); return n }
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}
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return -1
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}
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func rssKB(pid int) int {
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b, err := os.ReadFile(fmt.Sprintf("/proc/%d/status", pid))
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if err != nil { return -1 }
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for _, l := range strings.Split(string(b), "\n") {
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if strings.HasPrefix(l, "VmRSS:") { f := strings.Fields(l); n,_ := strconv.Atoi(f[1]); return n }
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}
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return -1
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}
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func threads(pid int) int { e,_ := os.ReadDir(fmt.Sprintf("/proc/%d/task", pid)); return len(e) }
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func main() {
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fmt.Println("=== 实验 5b：17 个 Go 子进程常驻开销（保持 stdin 管道存活）===")
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var cmds []*exec.Cmd
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var pipes []interface{ Close() error }
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for i := 0; i < 17; i++ {
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c := exec.Command("./plugbin")
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w, _ := c.StdinPipe() // 保持打开 → 不 EOF
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pipes = append(pipes, w)
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c.Stdout = nil
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if err := c.Start(); err != nil { fmt.Println(err); return }
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cmds = append(cmds, c)
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}
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time.Sleep(2 * time.Second)
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tp, tr, tt, alive := 0, 0, 0, 0
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for _, c := range cmds {
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pid := c.Process.Pid
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if _, err := os.Stat(fmt.Sprintf("/proc/%d", pid)); err != nil { continue }
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alive++
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if v := pssKB(pid); v > 0 { tp += v }
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if v := rssKB(pid); v > 0 { tr += v }
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tt += threads(pid)
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}
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fmt.Printf("存活进程 %d/17\n", alive)
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fmt.Printf("合计: PSS=%.1f MB RSS=%.1f MB 线程=%d\n",
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float64(tp)/1024, float64(tr)/1024, tt)
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if alive > 0 {
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fmt.Printf("均摊: PSS=%.2f MB RSS=%.2f MB 线程=%.1f\n",
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float64(tp)/1024/float64(alive), float64(tr)/1024/float64(alive), float64(tt)/float64(alive))
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}
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out, _ := exec.Command("pgrep", "-x", "homed").Output()
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if p := strings.TrimSpace(string(out)); p != "" {
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pid, _ := strconv.Atoi(strings.Fields(p)[0])
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fmt.Printf("\n对照 homed（单进程 + 17 个 .so）: RSS=%.1f MB 线程=%d\n",
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float64(rssKB(pid))/1024, threads(pid))
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}
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for _, c := range cmds { c.Process.Kill(); c.Wait() }
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}
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