adjust: add some log for healthcheck debug

adapter/provider/healthcheck.go

@@ -2,12 +2,14 @@ package provider
 
 import (
 	"context"
-	"github.com/Dreamacro/clash/common/singledo"
 	"time"
 
 	"github.com/Dreamacro/clash/common/batch"
+	"github.com/Dreamacro/clash/common/singledo"
 	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/log"
 
+	"github.com/gofrs/uuid"
 	"go.uber.org/atomic"
 )
 
@@ -55,6 +57,7 @@ func (hc *HealthCheck) lazyCheck() bool {
 		hc.check()
 		return true
 	} else {
+		log.Debugln("Skip once health check because we are lazy")
 		return false
 	}
 }
@@ -73,18 +76,26 @@ func (hc *HealthCheck) touch() {
 
 func (hc *HealthCheck) check() {
 	_, _, _ = hc.singleDo.Do(func() (struct{}, error) {
+		id := ""
+		if uid, err := uuid.NewV4(); err == nil {
+			id = uid.String()
+		}
+		log.Debugln("Start New Health Checking {%s}", id)
 		b, _ := batch.New[bool](context.Background(), batch.WithConcurrencyNum[bool](10))
 		for _, proxy := range hc.proxies {
 			p := proxy
 			b.Go(p.Name(), func() (bool, error) {
 				ctx, cancel := context.WithTimeout(context.Background(), defaultURLTestTimeout)
 				defer cancel()
+				log.Debugln("Health Checking %s {%s}", p.Name(), id)
 				_, _ = p.URLTest(ctx, hc.url)
+				log.Debugln("Health Checked %s : %t %d ms {%s}", p.Name(), p.Alive(), p.LastDelay(), id)
 				return false, nil
 			})
 		}
 
 		b.Wait()
+		log.Debugln("Finish A Health Checking {%s}", id)
 		return struct{}{}, nil
 	})
 }