fix network metrics & grafana dashboard

number of top process consumer in config

symon.toml

@@ -35,7 +35,7 @@ cpu = true           # CPU usage per core
 memory = true        # RAM and swap usage
 network = true       # Network RX/TX
 disk = true          # Disk usage
-processes = false    # Top 10 processes (disabled by default - can generate high cardinality)
+processes = true     # Top 10 processes (disabled by default - can generate high cardinality)
 temperature = true   # System temperatures (if available)
 
 # Process filtering configuration
@@ -46,23 +46,16 @@ temperature = true   # System temperatures (if available)
 
 # Option 2: Configure inline
 # Filter mode: "whitelist" (only listed processes) or "blacklist" (exclude listed)
-filter_mode = "whitelist"
+filter_mode = "blacklist"
+
+# Maximum number of processes to report (sorted by CPU usage, default: 10)
+max_processes = 10
 
 # List of process names to filter (case-insensitive substring match)
 names = [
-    # Web servers
-    "nginx",
-    "apache",
-
-    # Databases
-    "postgres",
-    "mysql",
-    "redis",
-
-    # Application servers
-    # "java",
-    # "node",
-    # "python",
+    # Exclude system processes that generate too much noise
+    # "kworker",
+    # "systemd",
 ]
 
 # List of regex patterns to match process names (case-sensitive)