tracing down high latency in Profile page, at least the first time...

ui/templates.go

@@ -361,6 +361,8 @@ type TemplateRenderer struct{}
  *     Standard Go error status.
  */
 func (r *TemplateRenderer) Render(w io.Writer, name string, data any, c echo.Context) error {
+	defer util.MeasureTime(fmt.Sprintf("ui.Render(%s)", name))()
+
 	view, err := views.GetTemplate(name)
 
 	if err != nil {

util/logs.go

@@ -0,0 +1,27 @@
+/*
+ * Amsterdam Web Communities System
+ * Copyright (c) 2025 Erbosoft Metaverse Design Solutions, All Rights Reserved
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
+// Package util contains utility definitions.
+package util
+
+import (
+	"time"
+
+	log "github.com/sirupsen/logrus"
+)
+
+// MeasureTime is called via a defer, and prints the amount of time for a function.
+func MeasureTime(funcName string) func() {
+	start := time.Now()
+	return func() {
+		log.Debugf("-- Time for function \"%s\" is %v", funcName, time.Since(start))
+	}
+}