+system information

Makefile

 # Runs 'make', 'make install', and 'make clean' in specified subdirectories
-SUBDIRS := src/php_top src/python_tests src/debugfs-webgui src/jp4-canvas src/update src/eyesis4pi src/index src/pointers src/snapshot src/jp4-viewer src/photofinish src/multicam # src1
+SUBDIRS := src/php_top src/python_tests src/debugfs-webgui src/jp4-canvas src/update src/eyesis4pi src/index src/pointers src/snapshot src/jp4-viewer src/photofinish src/multicam src/diagnostics # src1
 INSTALLDIRS = $(SUBDIRS:%=install-%)
 CLEANDIRS =   $(SUBDIRS:%=clean-%)
 

src/diagnostics/Makefile

+DOCUMENTROOT=$(DESTDIR)/www/pages
+OWN = -o root -g root
+INSTDOCS = 0644
+INSTALL = install
+DOCS=       index.html \
+            diagnostics.js \
+            diagnostics.css
+
+PHP_SCRIPTS= diagnostics.php
+
+all:
+	@echo "make all in src"
+
+install:
+	@echo "make install in src"
+	$(INSTALL) $(OWN) -d $(DOCUMENTROOT) $(DOCUMENTROOT)/diagnostics
+	$(INSTALL) $(OWN) -m $(INSTDOCS) $(DOCS) $(DOCUMENTROOT)/diagnostics
+	$(INSTALL) $(OWN) -m $(INSTDOCS) $(PHP_SCRIPTS) $(DOCUMENTROOT)
+
+clean:
+	@echo "make clean in src"

src/diagnostics/diagnostics.css

+#display_general, #display_pars, #display_ts{
+  padding:5px;
+}
+
+#gen_table th, #pars_table th, #ts_table th{
+  padding: 2px 5px;
+  text-align:center;
+  border: 1px solid rgb(150,150,150);
+}
+
+#gen_table td{
+  padding: 2px 5px;
+  text-align:center;
+  border: 1px solid rgb(150,150,150);
+}
+
+#pars_table td, #ts_table td{
+  padding: 0px 5px;
+  border: 1px solid rgb(150,150,150);
+}
+
+.center{
+  text-align:center;
+}
+
+.right{
+  text-align:right;
+}
+
+.left{
+  text-align:left;
+}
+
+h4{
+  padding:0px 5px;
+}
+
+.vtop{
+  vertical-align:top;
+}
+
+.timestamps{
+  font-size: 0.9em;
+}
+
+.framenumbers{
+  font-size: 0.9em;
+}
\ No newline at end of file

src/diagnostics/diagnostics.js

+
+$(function(){
+  init();
+});
+
+function parseURL(){
+    var parameters=location.href.replace(/\?/ig,"&").split("&");
+    for (var i=0;i<parameters.length;i++) parameters[i]=parameters[i].split("=");
+    for (var i=1;i<parameters.length;i++) {
+        switch (parameters[i][0]) {
+            case "ip":
+              ips_from_url = true;
+              ips_str = parameters[i][1];
+              ips_str = ips_str.replace(/,|;/gm,'\n');
+              addrs_str2ips(ips_str);
+              break;
+        }
+    }
+}
+
+function init(){
+  parseURL();
+  if (ips.length==0){
+    ips.push(location.host);
+  }
+  for(var i=0;i<ips.length;i++){
+    get_system_info(ips[i]);
+  }
+}
+
+var ips = [];
+var sysinfo = [];
+
+function addrs_str2ips(str){
+  var tmp_ips = str.split("\n");
+  for(var i=0;i<tmp_ips.length;i++){
+    str = tmp_ips[i].replace(/,|;|^\s+|\s+$/gm,'');
+    if (str!==""){
+      ips.push(str);
+    }
+  }
+}
+
+
+function get_system_info(ip){
+
+  $.ajax({
+    url: "http://"+ip+"/diagnostics.php",
+    ip: ip,
+    success:function(res){
+
+      sysinfo.push(res);
+
+      if (sysinfo.length==ips.length){
+        analyze_sysinfo();
+      }
+
+    }
+  }).fail(function(e){
+    console.log("ERROR: Failed to get system info for "+this.ip);
+    sysinfo.push("");
+  });
+
+}
+
+function analyze_sysinfo(){
+
+  // filter out empty
+  for(var i=0;i<sysinfo.length;i++){
+    if (sysinfo[i]==""){
+      sysinfo.splice(i,1);
+    }
+  }
+
+  for(var i=0;i<sysinfo.length;i++){
+    var f = $(sysinfo[i]);
+    var tr = [
+      '<tr>',
+      '  <td>'+f.find("camera").attr('ip')+'</td>',
+      '  <td title=\''+f.find("systime").text()+'\'>'+f.find("systimestamp").text()+'</td>',
+      '  <td>'+f.find("uptime").text()+'</td>',
+      '  <td class=\'right\'>'+parse_temperature(f.find("temperature"))+'</td>',
+      '  <td class=\'right\'>'+parse_storage(f.find("storage"))+'</td>',
+      '  <td class=\'right\'>'+parse_recorder(f.find("recorder").text())+'</td>',
+      '  <td class=\'right\'>'+f.find("master_port").text()+'</td>',
+      '  <td class=\'right\'>'+parse_gps(f.find("gps"))+'</td>',
+      '  <td class=\'right\'></td>',
+      '',
+      '</tr>'
+    ].join('\n');
+
+    $("#gen_table").append(tr);
+
+    var colspan = $("#pars_table").find("th").length;
+
+    var tr2 = [
+      '<tr><td style=\'background:rgba(240,240,240,0.5);\' class=\'left\' colspan=\''+colspan+'\'><b>'+f.find("camera").attr('ip')+'</b></td></tr>'
+    ];
+
+    var ports = f.find('port');
+
+    for(var j=0;j<ports.length;j++){
+      tr2.push(parse_port(ports[j]));
+    }
+
+    $("#pars_table").append(tr2.join('\n'));
+
+  }
+
+  parse_timestamps();
+
+}
+
+function parse_timestamps(){
+
+  for(var i=0;i<sysinfo.length;i++){
+    var f = $(sysinfo[i]);
+    var ports = f.find('port');
+
+    var thead = [];
+    thead.push('<tr>');
+    for(var j=0;j<ports.length;j++){
+      thead.push('<th>p</th><th>frame</th><th>timestamp</th>');
+    }
+    thead.push('</tr>');
+
+    $("#ts_table").append(thead);
+
+    var colspan = $("#ts_table").find("th").length;
+
+    var tr3 = [
+      '<tr><td style=\'background:rgba(240,240,240,0.5);\' class=\'left\' colspan=\''+colspan+'\'><b>'+f.find("camera").attr('ip')+'</b></td></tr>'
+    ];
+
+    tr3.push('<tr>');
+
+    for(var j=0;j<ports.length;j++){
+      tr3.push(pt_parse_port(i,ports[j]));
+    }
+
+    tr3.push('</tr>');
+
+    $("#ts_table").append(tr3.join('\n'));
+
+  }
+
+  // analyze, search forware
+  analyze_timestamps();
+
+}
+
+var BAT = [];
+var BAF = [];
+var TOTAL_PORTS = 0;
+var RES = [];
+
+function analyze_timestamps(){
+
+  // create an array
+  for(var i=0;i<sysinfo.length;i++){
+    var f = $(sysinfo[i]);
+    var ports = f.find('port');
+    BAT[i] = [];
+    BAF[i] = [];
+    TOTAL_PORTS += ports.length;
+    for(var j=0;j<ports.length;j++){
+      var ts = $(ports[j]).find('ts');
+      BAT[i][j] = [];
+      BAF[i][j] = [];
+      for(var k=0;k<ts.length;k++){
+        BAT[i][j][k] = $(ts[k]).text();
+        BAF[i][j][k] = $(ts[k]).attr('frame');
+      }
+    }
+  }
+
+  for(var i=0;i<BAT.length;i++){
+    for(var j=0;j<BAT[i].length;j++){
+      for(var k=0;k<BAT[i][j].length;k++){
+        var res = process_timestamp(BAT[i][j][k],BAF[i][j][k]);
+      }
+    }
+  }
+
+  var color_inc = 256/(sysinfo.length*TOTAL_PORTS);
+
+  for(var ts in RES){
+    var count = RES[ts].count;
+    var r = (count==1)?200:0;
+    var g = parseInt((count-1)*color_inc);
+    var b = 0;
+    color = "rgba("+r+","+g+","+b+",1)";
+    console.log(ts+" "+count+" "+color);
+    $(".timestamps[ts='"+ts+"']").css({
+      color: color
+    });
+  }
+
+}
+
+function process_timestamp(ts,fr){
+
+  if (RES[ts]==null){
+    RES[ts] = {count: 1, frame:[fr]}
+  }else{
+    RES[ts].count++;
+    RES[ts].frame.push(fr);
+  }
+
+}
+
+function pt_parse_port(cn,port){
+
+  var p = $(port);
+
+  var pn = p.attr('index');
+  var mux = p.attr('mux');
+  var sensors = p.attr('sensor');
+
+  var res = [
+    '  <td class=\'center\'>'+pn+'</td>',
+    '  <td class=\'center vtop\'>'+pt_parse_framenumbers(cn,pn,p.find('ts'))+'</td>',
+    '  <td class=\'center vtop\'>'+pt_parse_timestamps(cn,pn,p.find('ts'))+'</td>',
+  ].join('\n');
+
+  return res;
+}
+
+function pt_parse_timestamps(cn,pn,ts){
+
+  res = [];
+
+  for(var i=0;i<ts.length;i++){
+    var frame = $(ts[i]).attr('frame');
+    var timestamp = $(ts[i]).text();
+    res.push("<span class='timestamps' ts='"+timestamp+"' fn='"+frame+"'>"+timestamp+"</span>");
+  }
+
+  return res.join('<br/>');
+}
+
+function pt_parse_framenumbers(cn,pn,ts){
+
+  res = [];
+
+  for(var i=0;i<ts.length;i++){
+    var frame = $(ts[i]).attr('frame');
+    var timestamp = $(ts[i]).text();
+    res.push("<span class='framenumbers' ts='"+timestamp+"' fn='"+frame+"'>"+frame+"</span>");
+  }
+
+  return res.join('<br/>');
+
+}
+
+function parse_port(port){
+
+  var p = $(port);
+
+  var pn = p.attr('index');
+  var mux = p.attr('mux');
+  var sensors = p.attr('sensor');
+
+  var res = [
+    '<tr>',
+    '  <td class=\'center\'>'+pn+'</td>',
+    '  <td>'+mux+'</td>',
+    '  <td>'+sensors+'</td>',
+    '  <td class=\'center\'>'+pp_parse_sensor_run(p.find('sensor_run'))+'</td>',
+    '  <td class=\'center\'>'+pp_parse_sensor_run(p.find('compressor_run'))+'</td>',
+    '  <td class=\'center\'>'+pp_parse_format(p.find('color'))+'</td>',
+    '  <td class=\'center\'>'+p.find('quality').text()+'%</td>',
+    '  <td class=\'center\'>'+p.find('woi_width').text()+'x'+p.find('woi_height').text()+'</td>',
+    '  <td class=\'center\'>'+p.find('trig').text()+'</td>',
+    '  <td class=\'center\'>'+p.find('trig_master').text()+'</td>',
+    '  <td class=\'center\'>'+pp_parse_trig_period(p.find('trig_period').text(),p.find('expos').text())+'</td>',
+    '  <td class=\'center\'>'+pp_parse_trig_p(p.find('trig_out').text())+'</td>',
+    '  <td class=\'center\'>'+pp_parse_trig_p(p.find('trig_condition').text())+'</td>',
+    '  <td class=\'right\'>'+pp_parse_expos(p.find('expos').text(),p.find('trig_period').text())+'</td>',
+    '  <td class=\'center\'>'+pp_parse_gain(p.find('gainr').text())+'</td>',
+    '  <td class=\'center\'>'+pp_parse_gain(p.find('gaing').text())+'</td>',
+    '  <td class=\'center\'>'+pp_parse_gain(p.find('gainb').text())+'</td>',
+    '  <td class=\'center\'>'+pp_parse_gain(p.find('gaingb').text())+'</td>',
+    '</tr>'
+  ].join('\n');
+
+  return res;
+
+}
+
+function pp_parse_expos(str,period){
+
+  var exp = pp_calc_exposure(str);
+  var per = pp_calc_trig_period(period);
+
+  /*
+  if (v>100){
+    color = "rgb(240,160,0)";
+  }
+  */
+
+  var color = "";
+  if (exp>per*1000){
+    color = "rgb(230,0,0)";
+  }
+
+  var res = "<span style='color:"+color+";'>"+exp+" ms</span>";
+  return res;
+
+}
+
+function pp_parse_gain(str){
+
+  var v = parseInt(str);
+  v = v/0x10000;
+
+  color = "";
+
+  if (v>5){
+    color = "rgb(240,160,0)";
+  }
+
+  res = "<span style='color:"+color+";'>"+v.toFixed(2)+"</span>";
+
+  return res;
+}
+
+function pp_parse_trig_p(str){
+
+  var v = parseInt(str);
+  return "0x"+v.toString(16);
+
+}
+
+function pp_calc_trig_period(str){
+  var clock = 100000000;
+  var v = parseInt(str);
+  v = v/clock;
+  return v;
+}
+
+function pp_calc_exposure(str){
+  var v = parseInt(str);
+  v = v/1000;
+  return v;
+}
+
+function pp_parse_trig_period(period,str){
+
+  var per = pp_calc_trig_period(period);
+  var exp = pp_calc_exposure(str);
+
+  var fps = (1/per);
+
+  if (per<1){
+    res = (per*1000)+" ms";
+  }else{
+    res = per+" s";
+  }
+
+  var color = "";
+  if (exp>per*1000){
+    color = "rgb(230,0,0)";
+  }
+
+  res = "<span style='color:"+color+";'>"+res+" ("+fps+" fps)</span>";
+
+  return res;
+
+}
+
+function pp_parse_format(str){
+  var fmt = $(str).text();
+
+  color = "";
+
+  if (fmt==5){
+    fmt = "jp4";
+  }else if (fmt==0){
+    color = "rgb(240,160,0)";
+    fmt = "jpeg";
+  }else{
+    color = "rgb(230,0,0)";
+    fmt = "else";
+  }
+
+  res = "<span style='color:"+color+";'>"+fmt+"</span>";
+
+  return res;
+
+}
+
+function pp_parse_sensor_run(str){
+
+  var v = parseInt($(str).text());
+
+  if (v==2){
+    color = "rgb(0,0,0)";
+    v = "ok";
+  }
+
+  if (v==1){
+    color = "rgb(240,160,0)";
+    v = "idle";
+  }
+
+  if (v==0){
+    v = "stopped";
+    color = "rgb(230,0,0)";
+  }
+
+  res = "<span style='color:"+color+"'>"+v+"</span>";
+
+  return res;
+
+}
+
+function parse_temperature(str){
+  temps = ["cpu","b10389","sda","sdb"];
+  res = [];
+  for(var i=0;i<temps.length;i++){
+    res.push(color_temperature(str.find(temps[i]).text(),temps[i]));
+  }
+
+  return res.join(', ');
+}
+
+function color_temperature(str,title){
+
+  color = "rgb(0,0,0)";
+
+  if (str!="-"){
+    var t = parseFloat(str);
+
+    if (t>85){
+      color = "rgb(230,0,0)";
+    }else if(t>70){
+      color = "rgb(240,160,0)";
+    }else{
+      color = "rgb(0,150,0)";
+    }
+  }
+
+  temp = "<span title='"+title+"' style='color:"+color+";'>"+str+"&deg;</span>";
+
+  return temp;
+
+}
+
+function parse_storage(str){
+
+  var devs = str.find("device");
+
+  var res = "";
+
+  ds = [];
+  for(var i=0;i<devs.length;i++){
+    var ds_str = "";
+
+    var devname = $(devs[i]).attr('name');
+    var devsize = (parseFloat($(devs[i]).attr('size'))/1024/1024).toFixed(2);
+    var parts = $(devs[i]).find("partition");
+
+    ds_str += "<b>"+devname+"("+devsize+"G)</b>: ";
+
+    if (parts.length==0){
+      ds_str += "unpartitioned";
+    }else{
+      ps = []
+      for (var j=0;j<parts.length;j++){
+        pname = $(parts[j]).attr('name');
+        psize = (parseFloat($(parts[j]).attr('size'))/1024/1024).toFixed(2);
+        ps.push(pname+"("+psize+"G)");
+      }
+      ds_str += ps.join(', ');
+    }
+
+    ds.push(ds_str);
+
+  }
+
+  res = ds.join('; ');
+
+  return res;
+
+}
+
+function parse_recorder(str){
+
+  color = "rgb(0,0,0)";
+
+  if (str!="on"){
+    color = "rgb(230,0,0)";
+  }
+
+  res = "<span style='color:"+color+";'>"+str+"</span>";
+
+  return res;
+
+}
+
+function parse_gps(str){
+  var lat = $(str).find("lat");
+  var lon = $(str).find("lon");
+
+  var na = $(str).text();
+
+
+  if ((lat.length==0)||(lon.length==0)){
+    res = "<span style='color:rgb(230,0,0)'>"+na.toLowerCase()+"</span>";
+  }else{
+    res = "<span>"+$(lat).text()+", "+$(lon).text()+"</span>";
+  }
+
+  return res;
+}
+
+
+
+

src/diagnostics/diagnostics.php

+<?php
+
+// GLOBALS
+// path to sysfs for port scanning
+$portspath = "/sys/devices/soc0/elphel393-detect_sensors@0";
+// total number of ports in 10393
+$nports = 4;
+$muxports = 3;
+$port0 = 2323;
+
+$ports = getports();
+$sample_port = get_sample_port($ports);
+$master_port = elphel_get_P_value($sample_port,ELPHEL_TRIG_MASTER);
+
+//print("<pre>");
+//print_r($ports);
+//print("sample port = ".$sample_port);
+
+
+$res = "";
+$res .= "<camera ip='".$_SERVER['SERVER_ADDR']."'>\n";
+$res .= "\t<master_port>".$master_port."</master_port>\n";
+$res .= "\t<systime>".get_system_time()."</systime>\n";
+$res .= "\t<systimestamp>".time()."</systimestamp>\n";
+$res .= "\t<uptime>".get_uptime()."</uptime>\n";
+$res .= "\t<temperature>".get_temperature()."\t</temperature>\n";
+$res .= "\t<storage>".check_storage()."\t</storage>\n";
+$res .= "\t<recorder name='camogm'>".check_camogm_running()."</recorder>\n";
+$res .= "\t<gps>".check_gps($master_port)."\t</gps>\n";
+
+for($i=0;$i<count($ports);$i++){
+  $s = implode(', ',$ports[$i]['sensors']);
+  $m = $ports[$i]['mux'];
+  $res .= "\t<port index='$i' sensor='$s' mux='$m'>".get_port_info($i)."\t</port>\n";
+}
+
+$res .= "</camera>\n";
+
+// allow CORS
+header('Access-Control-Allow-Origin: *');
+$xml  = "<?xml version='1.0' standalone='yes'?>\n";
+$xml .= "<Document>\n";
+$xml .= $res;
+$xml .= "</Document>\n";
+print($xml);
+
+//functions
+
+function check_camogm_running(){
+
+  $camogm_running = false;
+  exec('ps | grep "camogm"', $arr);
+  $check = implode("<br/>",$arr);
+
+  foreach($arr as $line){
+    $result = preg_match('/grep/',$line);
+    if (!$result) {
+      $camogm_running = true;
+    }
+  }
+
+  if ($camogm_running) $res = "on";
+  else                 $res = "off";
+
+  return $res;
+}
+
+function getports(){
+
+  global $nports, $muxports, $portspath, $port0;
+
+  $res = array();
+
+  for($i=0;$i<$nports;$i++){
+    $subres = array();
+
+    $subres['mux'] = read_port_file($portspath."/port_mux{$i}");
+    $subres['sensors'] = array();
+
+    for($j=0;$j<$muxports+1;$j++){
+      array_push($subres['sensors'],read_port_file($portspath."/sensor{$i}{$j}"));
+    }
+
+    array_push($res,$subres);
+  }
+
+  return $res;
+
+}
+
+function read_port_file($file){
+  $v = "";
+  if(is_file($file)){
+    $v = trim(file_get_contents($file));
+  }
+  return $v;
+}
+
+function get_sample_port($a){
+  $sample_found = false;
+  // errors are not expected here
+  //$res = -1;
+  $res = 0;
+  foreach($a as $k0=>$port){
+    $b = $port['sensors'];
+    foreach($b as $k1=>$sensor){
+      if ($sensor!='none'){
+        $sample_found = true;
+        break;
+      }
+    }
+    if ($sample_found){
+      $res = $k0;
+      break;
+    }
+  }
+  return $res;
+}
+
+function check_storage(){
+
+  $names = array();
+  $regexp = '/([0-9]+) +(sd[a-z0-9]+$)/';
+  exec("cat /proc/partitions", $partitions);
+
+  // the first two elements of an array are table header and empty line delimiter, skip them
+  for ($i = 2; $i < count($partitions); $i++) {
+    // select SATA devices only
+    if (preg_match($regexp, $partitions[$i], $name) == 1) {
+      $names[$name[2]] = $name[1];
+      $j++;
+    }
+  }
+
+  //print_r($names);
+  $res = "";
+  foreach($names as $name=>$size){
+    if (preg_match('/^sd[a-z]$/',$name,$matches)) {
+      $dev = $matches[0];
+      $res .= "\n\t\t<device name='$dev' size='$size'>\n";
+      foreach($names as $partition=>$psize){
+        if (preg_match('/^'.$dev.'[0-9]+$/',$partition)){
+          $res .= "\t\t\t<partition name='$partition' size='$psize'></partition>\n";
+        }
+      }
+      $res .= "\t\t</device>\n";
+
+    }
+  }
+
+  return $res;
+}
+
+function check_gps($port){
+  $circbuf_pointers = elphel_get_circbuf_pointers($port,1);
+  $pointer = $circbuf_pointers[count($circbuf_pointers)-1];
+  $exif = elphel_get_exif_elphel($port,$pointer['exif_pointer']);
+  if ((isset($exif['GPSLongitude']))&&(isset($exif['GPSLatitude']))){
+    $res = "\n";
+    $res .= "\t\t<lat>".$exif['GPSLatitude']."</lat>\n";
+    $res .= "\t\t<lon>".$exif['GPSLongitude']."</lon>\n";
+  }else{
+    $res = "N/A";
+  }
+  return $res;
+}
+
+function get_system_time(){
+  $res = exec('date');
+  return $res;
+}
+
+function get_uptime(){
+  $res = exec('uptime');
+  $res = trim($res);
+  $res = preg_replace('/\s+/',' ',$res);
+  $res = explode(' ',$res);
+  $out = trim($res[2],',');
+  return $out;
+}
+
+function get_temperature(){
+
+  $t_cpu = round(floatval(trim(file_get_contents("/tmp/core_temp"))),1);
+  $t_10389 = "";
+  $t_sda = "";
+  $t_sdb = "";
+
+  $temp1_input = "/sys/devices/soc0/amba@0/e0004000.ps7-i2c/i2c-0/0-001a/hwmon/hwmon0/temp1_input";
+
+  if (is_file($temp1_input)){
+    $t_10389 = trim(file_get_contents($temp1_input));
+    $t_10389 = intval($t_10389)/1000;
+  }
+
+  $t_sda = exec("smartctl -A /dev/sda | egrep ^194 | awk '{print $10}'");
+  if ($t_sda=="") $t_sda = "-";
+  else            $t_sda = intval($t_sda);
+
+  $t_sdb = exec("smartctl -A /dev/sdb | egrep ^194 | awk '{print $10}'");
+  $t_sdb = "";
+  if ($t_sdb=="") $t_sdb = "-";
+  else            $t_sdb = intval($t_sdb);
+
+  $res = "\n\t\t<cpu>$t_cpu</cpu>\n";
+  $res .= "\t\t<b10389>$t_10389</b10389>\n";
+  $res .= "\t\t<sda>$t_sda</sda>\n";
+  $res .= "\t\t<sdb>$t_sdb</sdb>\n";
+
+  return $res;
+}
+
+function get_port_info($port){
+
+  $pars_res = "";
+  $ts_res = "";
+
+  $pars = array(
+    'WB_EN' => 0,
+    'AUTOEXP_EN' => 0,
+    'COMPRESSOR_RUN'=> 0,
+    'SENSOR_RUN'=> 0,
+    'COLOR' => 0,
+    'QUALITY' => 0,
+    'EXPOS' => 0,
+    'WOI_WIDTH' => 0,
+    'WOI_HEIGHT' => 0,
+    'TRIG' => 0,
+    'TRIG_MASTER' => 0,
+    'TRIG_PERIOD' => 0,
+    'TRIG_CONDITION' => 0,
+    'TRIG_OUT' => 0,
+    'GAINR' => 0,
+    'GAING' => 0,
+    'GAINB' => 0,
+    'GAINGB' => 0,
+  );
+
+  $ps = elphel_get_P_arr($port,$pars);
+
+  $pars_res .= "\n\t\t<parameters>\n";
+  foreach($ps as $k=>$v){
+    $pars_res .= "\t\t\t<".strtolower($k).">$v</".strtolower($k).">\n";
+  }
+  $pars_res .= "\t\t</parameters>\n";
+
+
+  // get recent timestamps
+  $circbuf_pointers = elphel_get_circbuf_pointers($port,1);
+  $meta = array();
+  foreach($circbuf_pointers as $k=>$v){
+    $meta[$k] = array (
+      'circbuf_pointer' => $v['circbuf_pointer'],
+      'meta' => elphel_get_interframe_meta($port,$v['circbuf_pointer']),
+      'Exif' => elphel_get_exif_elphel($port, $v['exif_pointer'])
+    );
+  }
+
+  $ts_res .= "\t\t<timestamps>\n";
+
+  foreach($meta as $m){
+    $sec  = $m['meta']['timestamp_sec'];
+    $usec = sprintf("%06d", $m['meta']['timestamp_usec']);
+    $ts_res .= "\t\t\t<ts frame='{$m['Exif']['FrameNumber']}'>$sec.$usec</ts>\n";
+  }
+
+  $ts_res .= "\t\t</timestamps>\n";
+
+  $res = $pars_res.$ts_res;
+
+  return $res;
+}
+
+?>

src/diagnostics/index.html

+<!DOCTYPE HTML>
+<html lang="en">
+  <head>
+    <meta charset="utf-8"/>
+    <title>System info</title>
+    <script src="../js/jquery-3.1.1.js"></script>
+    <link rel="stylesheet" href="../js/bootstrap/css/bootstrap.css">
+
+    <script type='text/javascript' src='diagnostics.js'></script>
+    <link rel='stylesheet' type='text/css' href='diagnostics.css'></link>
+
+  </head>
+  <body>
+    <h4>General info</h4>
+    <div id='display_general'>
+      <table id='gen_table'>
+        <tr>
+          <th>ip</th>
+          <th>time</th>
+          <th>uptime</th>
+          <th title='Temperature, &deg;C'>t</th>
+          <th>storage</th>
+          <th>camogm</th>
+          <th>master port</th>
+          <th>GPS</th>
+          <th>IMU</th>
+        </tr>
+      </table>
+    </div>
+    <h4>Port info</h4>
+    <div id='display_pars'>
+      <table id='pars_table'>
+        <tr>
+          <th>port</th>
+          <th>mux</th>
+          <th>sensors</th>
+          <th>sensor run</th>
+          <th>compressor run</th>
+          <th title='image format'>format</th>
+          <th>quality</th>
+          <th>wxh</th>
+          <th>TRIG</th>
+          <th>master</th>
+          <th title='TRIG_PERIOD'>period</th>
+          <th title='TRIG_OUT'>T_OUT</th>
+          <th title='TRIG_CONDITION'>T_COND</th>
+          <th>exposure</th>
+          <th>gainR</th>
+          <th>gainG</th>
+          <th>gainB</th>
+          <th>gainGB</th>
+        </tr>
+      </table>
+    </div>
+    <h4>Timestamps info</h4>
+    <div id='display_ts'>
+      <table id='ts_table'>
+      </table>
+    </div>
+  </body>
+</html>
\ No newline at end of file

src/multicam/index.html

@@ -44,6 +44,11 @@
           </div>
         </td>
       </tr>
+      <tr>
+        <td>
+          <button id='system_tests' title='system info' class="btn btn-sm btn-success">tests</button>
+        </td>
+      </tr>
       <tr>
         <td hidden>
           <br/>

src/multicam/multicam.css

@@ -119,3 +119,7 @@ hr{
 .port_preview canvas,#display{
   padding:0px;
 }
+
+#system_tests{
+  margin:5px;
+}
\ No newline at end of file

src/multicam/multicam.js

@@ -283,7 +283,7 @@ function rec_button_update_state(){
         rec_button_switch(recording);
       }
 
-      refresh_previews_intvl = setInterval(refresh_previews,1000);
+      refresh_previews_intvl = setInterval(refresh_previews,2000);
       refresh_status_intvl   = setInterval(refresh_status,2000);
     }