dashboard/app: coverage page allows to specify analysis duration (col…

…umns)

dashboard/app/static/coverage.js

@@ -1,8 +1,8 @@
 // Copyright 2024 syzkaller project authors. All rights reserved.
 // Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
 
-$(document).ready(initTogglers());
-$(document).ready(initUpdateForm);
+initTogglers();
+initUpdateForm();
 
 // Initializes the file tree onClick collapse logic.
 function initTogglers(){
@@ -15,6 +15,9 @@ function initTogglers(){
 function initUpdateForm(){
   var curUrlParams = new URLSearchParams(window.location.search);
   $('#target-period').val(curUrlParams.get('period'));
+  if (curUrlParams.get('period_count') != null) {
+    $('#target-period-count').val(curUrlParams.get('period_count'));
+  }
   $('#target-subsystem').val(curUrlParams.get('subsystem'));
   $('#target-manager').val(curUrlParams.get('manager'));
   $("#only-unique").prop("checked", curUrlParams.get('subsystem') == "1");

pkg/cover/templates/heatmap.html

@@ -107,7 +107,9 @@
   <div style="display:inline-block">
     <form method="get">
       <div style="display:inline-block; vertical-align: top">
-        <label for="target-period">Periods:</label>
+        <label for="target-period">Period type:</label>
+        <br>
+        <label for="target-period-count">Period count:</label>
         <br>
         <label for="target-subsystem">Subsystem:</label>
         <br>
@@ -121,6 +123,8 @@
           <option value="day">Day</option>
         </select>
         <br>
+        <input id="target-period-count" name="period_count" type="number" min="1" max="12" value="4"/>
+        <br>
         <select id="target-subsystem" name="subsystem">
           <option value="">*</option>
           {{ range $ss := .Subsystems }}