Adding signposts.

Clocker/Overall App/Logger.swift

@@ -3,6 +3,7 @@
 import Cocoa
 import Crashlytics
 import os.log
+import os.signpost
 
 class Logger: NSObject {
     @objc class func log(object: [String: Any], for key: NSString) {
@@ -10,3 +11,17 @@ class Logger: NSObject {
                                customAttributes: object)
     }
 }
+
+@available(OSX 10.14, *)
+class PerfLogger: NSObject {
+    static let openPanelLog = OSLog(subsystem: "com.abhishek.Clocker", category: "Open Panel")
+    static let signpostID = OSSignpostID(log: openPanelLog)
+
+    @objc class func signpostBegin() {
+        os_signpost(.begin, log: openPanelLog, name: "Open Panel", signpostID: signpostID)
+    }
+
+    @objc class func signpostEnd() {
+        os_signpost(.end, log: openPanelLog, name: "Open Panel", signpostID: signpostID)
+    }
+}

Clocker/Panel/PanelController.swift

@@ -61,6 +61,10 @@ class PanelController: ParentPanelController {
     }
 
     func open() {
+        if #available(OSX 10.14, *) {
+            PerfLogger.signpostBegin()
+        }
+
         guard isWindowLoaded == true else {
             return
         }
@@ -94,6 +98,10 @@ class PanelController: ParentPanelController {
         mainTableView.reloadData()
 
         log()
+
+        if #available(OSX 10.14, *) {
+            PerfLogger.signpostEnd()
+        }
     }
 
     // New way to set the panel's frame.