Home | History | Annotate | Download | only in platform_MemoryPressure 
      1 <html>
      2 <head>
      3 <script>
      4 
      5  // How many arrays to allocate.
      6 var __n_arrays = 10;
      7 // How many elements in each array
      8 var __n_elements = 10 * 1000 * 1000;
      9 // Touch one element every __touch_step elements.
     10 var __touch_step = 5 * 1000;
     11 var __total_allocation;
     12 var __text_area = null;
     13 
     14 function __initialize_bloat() {
     15   __total_allocation = 0;
     16   document.bloat = new Array(__n_arrays);
     17   for (i = 0; i < __n_arrays; i++) {
     18     document.bloat[i] = new Array(1);
     19   }
     20   __display_message("allocation was cleared");
     21 }
     22 
     23 function __display_message(text) {
     24   if (__text_area == null) {
     25     __text_area = document.getElementById("text area");
     26   }
     27   if (__text_area != null) {
     28     __text_area.innerText = text;
     29   }
     30 }
     31 
     32 function __bloat_array(i) {
     33   var message = "allocated "
     34       + __total_allocation / (1000000) + "M elements ...";
     35   if (i >= __n_arrays) {
     36     message += " done"
     37   }
     38   __display_message(message);
     39   if (i < __n_arrays) {
     40     __total_allocation += __n_elements;
     41     document.bloat[i] += new Array(__n_elements);
     42     for (j = 0; j < __n_elements; j += __touch_step) {
     43             document.bloat[i][j] = j;
     44     }
     45     setTimeout(function() {__bloat_array(i + 1);}, 10);
     46   }
     47 }
     48 
     49 function __bloat() {
     50   __bloat_array(0);
     51 }
     52 
     53 __initialize_bloat();
     54 __bloat();
     55 
     56 </script>
     57 </head>
     58 <body>
     59 <center>
     60 
     61     <div id="text area">
     62     No memory allocated yet.
     63     </div>
     64 
     65 </center>
     66 </body>
     67 </html>
     68