First Commmit

2026-04-14 22:41:14 +08:00
commit 9f867b19da
1086 changed files with 147554 additions and 0 deletions
--- a/experimental/libbox/oom_report.go
+++ b/experimental/libbox/oom_report.go
@@ -0,0 +1,141 @@
+//go:build darwin || linux || windows
+
+package libbox
+
+import (
+	"os"
+	"path/filepath"
+	"runtime"
+	"strings"
+	"time"
+
+	"github.com/sagernet/sing-box/experimental/libbox/internal/oomprofile"
+	"github.com/sagernet/sing-box/service/oomkiller"
+	"github.com/sagernet/sing/common/byteformats"
+	"github.com/sagernet/sing/common/memory"
+)
+
+func init() {
+	sOOMReporter = &oomReporter{}
+}
+
+var oomReportProfiles = []string{
+	"allocs",
+	"block",
+	"goroutine",
+	"heap",
+	"mutex",
+	"threadcreate",
+}
+
+type oomReportMetadata struct {
+	reportMetadata
+	RecordedAt      string `json:"recordedAt"`
+	MemoryUsage     string `json:"memoryUsage"`
+	AvailableMemory string `json:"availableMemory,omitempty"`
+	// Heap
+	HeapAlloc    string `json:"heapAlloc,omitempty"`
+	HeapObjects  uint64 `json:"heapObjects,omitempty,string"`
+	HeapInuse    string `json:"heapInuse,omitempty"`
+	HeapIdle     string `json:"heapIdle,omitempty"`
+	HeapReleased string `json:"heapReleased,omitempty"`
+	HeapSys      string `json:"heapSys,omitempty"`
+	// Stack
+	StackInuse string `json:"stackInuse,omitempty"`
+	StackSys   string `json:"stackSys,omitempty"`
+	// Runtime metadata
+	MSpanInuse  string `json:"mSpanInuse,omitempty"`
+	MSpanSys    string `json:"mSpanSys,omitempty"`
+	MCacheSys   string `json:"mCacheSys,omitempty"`
+	BuckHashSys string `json:"buckHashSys,omitempty"`
+	GCSys       string `json:"gcSys,omitempty"`
+	OtherSys    string `json:"otherSys,omitempty"`
+	Sys         string `json:"sys,omitempty"`
+	// GC & runtime
+	TotalAlloc   string `json:"totalAlloc,omitempty"`
+	NumGC        uint32 `json:"numGC,omitempty,string"`
+	NumGoroutine int    `json:"numGoroutine,omitempty,string"`
+	NextGC       string `json:"nextGC,omitempty"`
+	LastGC       string `json:"lastGC,omitempty"`
+}
+
+type oomReporter struct{}
+
+var _ oomkiller.OOMReporter = (*oomReporter)(nil)
+
+func (r *oomReporter) WriteReport(memoryUsage uint64) error {
+	now := time.Now().UTC()
+	reportsDir := filepath.Join(sWorkingPath, "oom_reports")
+	err := os.MkdirAll(reportsDir, 0o777)
+	if err != nil {
+		return err
+	}
+	chownReport(reportsDir)
+
+	destPath, err := nextAvailableReportPath(reportsDir, now)
+	if err != nil {
+		return err
+	}
+	err = os.MkdirAll(destPath, 0o777)
+	if err != nil {
+		return err
+	}
+	chownReport(destPath)
+
+	for _, name := range oomReportProfiles {
+		writeOOMProfile(destPath, name)
+	}
+
+	writeReportFile(destPath, "cmdline", []byte(strings.Join(os.Args, "\000")))
+
+	var memStats runtime.MemStats
+	runtime.ReadMemStats(&memStats)
+
+	metadata := oomReportMetadata{
+		reportMetadata: baseReportMetadata(),
+		RecordedAt:     now.Format(time.RFC3339),
+		MemoryUsage:    byteformats.FormatMemoryBytes(memoryUsage),
+		// Heap
+		HeapAlloc:    byteformats.FormatMemoryBytes(memStats.HeapAlloc),
+		HeapObjects:  memStats.HeapObjects,
+		HeapInuse:    byteformats.FormatMemoryBytes(memStats.HeapInuse),
+		HeapIdle:     byteformats.FormatMemoryBytes(memStats.HeapIdle),
+		HeapReleased: byteformats.FormatMemoryBytes(memStats.HeapReleased),
+		HeapSys:      byteformats.FormatMemoryBytes(memStats.HeapSys),
+		// Stack
+		StackInuse: byteformats.FormatMemoryBytes(memStats.StackInuse),
+		StackSys:   byteformats.FormatMemoryBytes(memStats.StackSys),
+		// Runtime metadata
+		MSpanInuse:  byteformats.FormatMemoryBytes(memStats.MSpanInuse),
+		MSpanSys:    byteformats.FormatMemoryBytes(memStats.MSpanSys),
+		MCacheSys:   byteformats.FormatMemoryBytes(memStats.MCacheSys),
+		BuckHashSys: byteformats.FormatMemoryBytes(memStats.BuckHashSys),
+		GCSys:       byteformats.FormatMemoryBytes(memStats.GCSys),
+		OtherSys:    byteformats.FormatMemoryBytes(memStats.OtherSys),
+		Sys:         byteformats.FormatMemoryBytes(memStats.Sys),
+		// GC & runtime
+		TotalAlloc:   byteformats.FormatMemoryBytes(memStats.TotalAlloc),
+		NumGC:        memStats.NumGC,
+		NumGoroutine: runtime.NumGoroutine(),
+		NextGC:       byteformats.FormatMemoryBytes(memStats.NextGC),
+	}
+	if memStats.LastGC > 0 {
+		metadata.LastGC = time.Unix(0, int64(memStats.LastGC)).UTC().Format(time.RFC3339)
+	}
+	availableMemory := memory.Available()
+	if availableMemory > 0 {
+		metadata.AvailableMemory = byteformats.FormatMemoryBytes(availableMemory)
+	}
+	writeReportMetadata(destPath, metadata)
+	copyConfigSnapshot(destPath)
+
+	return nil
+}
+
+func writeOOMProfile(destPath string, name string) {
+	filePath, err := oomprofile.WriteFile(destPath, name)
+	if err != nil {
+		return
+	}
+	chownReport(filePath)
+}