From 12414b4c33ab4ee9ab80e532ed8d8a6209f20d57 Mon Sep 17 00:00:00 2001
From: tian <11429339@qq.com>
Date: Sun, 2 Aug 2026 12:30:06 +0800
Subject: [PATCH] =?UTF-8?q?debug:=20=E8=BD=AE=E8=AF=A2=20tick=20=E6=97=A5?=
 =?UTF-8?q?=E5=BF=97?=
MIME-Version: 1.0
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Content-Transfer-Encoding: 8bit

---
 control/internal/service/registry.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/control/internal/service/registry.go b/control/internal/service/registry.go
index 5d18336..3521075 100644
--- a/control/internal/service/registry.go
+++ b/control/internal/service/registry.go
@@ -93,7 +93,10 @@ func (s *RegistryService) startGraphPolling() {
                 onlineDevices = append(onlineDevices, dev)
             }
         }
+        onlineCount := len(onlineDevices)
+        totalCount := len(s.devices)
         s.mu.RUnlock()
+        log.Printf("[graph-poll] tick: total_devices=%d online_devices=%d", totalCount, onlineCount)
 
         for _, dev := range onlineDevices {
             data, _, err := s.agent.Do("GET", dev.IP, dev.AgentPort, "/v1/graphs", nil)