1. off/on debug

src/debugfs-webgui/debugfs.js

@@ -54,17 +54,37 @@ function init(){
     var f2 = $("<span title='Include module name in the printed message'>");
     var f3 = $("<span title='Include thread ID in messages not generated from interrupt context'>");
     
-    var f0_cb = $("<input>",{id:"fflag",type:"checkbox",class:"tp"}).css({position:"relative",top:"3px"});
-    var f1_cb = $("<input>",{id:"lflag",type:"checkbox",class:"tp"}).css({position:"relative",top:"3px"});
-    var f2_cb = $("<input>",{id:"mflag",type:"checkbox",class:"tp"}).css({position:"relative",top:"3px"});
-    var f3_cb = $("<input>",{id:"tflag",type:"checkbox",class:"tp"}).css({position:"relative",top:"3px"});
+    var f0_cb = $("<input>",{id:"fflag",type:"checkbox",class:"tp flags_cb"}).css({position:"relative",top:"3px"});
+    var f1_cb = $("<input>",{id:"lflag",type:"checkbox",class:"tp flags_cb"}).css({position:"relative",top:"3px"});
+    var f2_cb = $("<input>",{id:"mflag",type:"checkbox",class:"tp flags_cb"}).css({position:"relative",top:"3px"});
+    var f3_cb = $("<input>",{id:"tflag",type:"checkbox",class:"tp flags_cb"}).css({position:"relative",top:"3px"});
     
     f0.html("&nbsp;&nbsp;f&nbsp;").append(f0_cb);
     f1.html("&nbsp;l&nbsp;").append(f1_cb);
     f2.html("&nbsp;m&nbsp;").append(f2_cb);
     f3.html("&nbsp;t&nbsp;").append(f3_cb);
 
-    $("body").append($("<div>").css({padding:"0px 0px 10px 0px"}).append(b0).append(b1).append(b2).append(f0).append(f1).append(f2).append(f3));
+    var b3 = $("<button>",{
+        title: "Enable/disable debug messages for selected files"
+    }).css({
+        margin:"0px 0px 0px 10px"
+    }).html("Switch off debug").click(function(){
+        if ($(this).html()=="Switch off debug"){
+            $(this).html("Switch on debug");
+            $.ajax({
+                url: "debugfs.php?cmd=setflag&flag=-p",
+                queue: true
+            });
+        }else{
+            $(this).html("Switch off debug");
+            $.ajax({
+                url: "debugfs.php?cmd=setflag&flag=%2Bp",
+                queue: true
+            });
+        }
+    });
+    
+    $("body").append($("<div>").css({padding:"0px 0px 10px 0px"}).append(b0).append(b1).append(b2).append(b3).append(f0).append(f1).append(f2).append(f3));
     
     //list header
     var t = $("<table border=\"1\">").html("\
@@ -126,6 +146,22 @@ function init(){
                 update_debugfs_config();
             });
             
+            $(".flags_cb").change(function(){
+                if ($(this).prop("checked")) sign = "%2B";
+                else                         sign = "-";
+                    
+                flag = $(this).attr("id")[0];
+                                  
+                $.ajax({
+                    url: "debugfs.php?cmd=setflag&flag="+sign+flag,
+                    queue: true
+                });
+            });
+            
+            //init flags
+            $(".flags_cb").prop("checked",true);
+            $(".flags_cb").change();
+            
             //when everything is parsed. do something.
             // unique IDs
             // save config
@@ -200,10 +236,10 @@ function fill_content_rebind_events(){
         var subindex = $(this).attr("subindex");
         
         var flags = "";
-        if ($("#tflag").prop("checked")) flags += "t";
-        if ($("#mflag").prop("checked")) flags += "m";
-        if ($("#lflag").prop("checked")) flags += "l";
-        if ($("#fflag").prop("checked")) flags += "f";
+        //if ($("#fflag").prop("checked")) flags += "f";
+        //if ($("#lflag").prop("checked")) flags += "l";
+        //if ($("#mflag").prop("checked")) flags += "m";
+        //if ($("#tflag").prop("checked")) flags += "t";
         
         if ($(this).prop("checked")) flags = "p"+flags;
         else                         flags = "_";

src/debugfs-webgui/debugfs.php

@@ -100,6 +100,7 @@ function update_config($data){
 
 function apply_config_to_control(){
     global $tmp_config, $DEBUGFSFILE;
+        
     $arr_config = json_decode(file_get_contents($tmp_config),true);
     foreach($arr_config as $k0 => $v0){
         if ($v0['state']==1){
@@ -121,26 +122,55 @@ function apply_config_to_control(){
     echo "Done";
 }
 
+function apply_flag($flag){
+    global $tmp_config, $DEBUGFSFILE;
+      
+    //echo "<pre>\n";
+      
+    $arr_config = json_decode(file_get_contents($tmp_config),true);
+    foreach($arr_config as $k0 => $v0){
+        if ($v0['state']==1){
+            foreach($v0['configs'] as $k1 => $v1){
+                if ($v1['state']==1){
+                    foreach($v1['lines'] as $k2 => $v2){
+                        $file = $v2['file'];
+                        $lineno = $v2['lineno'];
+                        $cmd = "echo -n 'file $file line $lineno $flag' > $DEBUGFSFILE";
+                        //echo "$cmd\n";
+                        exec($cmd);
+                        //echo "echo -n 'file $file line $lineno ${sign}p'\n";
+                    }
+                }
+            }
+        }
+    }
+    echo "Done";
+    
+}
+
 function sync_from_debugfs_to_config($file,$line,$flags,$sign){
     global $tmp_config;
 
     //$arr_debugfs = get_control("/sys/kernel/debug/dynamic_debug/control");
     $arr_config = json_decode(file_get_contents($tmp_config),true);
     
+    $err = 0;
+    $dc = 0; $dcc = 0; $dccc = 0;
+    
     foreach($arr_config as $k => $v){
         if ($v['file']==$file) {
             $dc = $k;
+            $err = $err + 1;
             break;
         }
     }
     
-    echo "DC=$dc\n";
-    
     $tmp_arr1 = $arr_config[$dc]['configs'];
     
     foreach($tmp_arr1 as $k => $v){
         if ($v['state']==1) {
             $dcc = $k;
+            $err = $err + 2;
             break;
         }
     }
@@ -150,6 +180,7 @@ function sync_from_debugfs_to_config($file,$line,$flags,$sign){
     foreach($tmp_arr2 as $k => $v){
         if ($v['lineno']==$line) {
             $dccc = $k;
+            $err = $err + 4;
             break;
         }
     }
@@ -157,10 +188,14 @@ function sync_from_debugfs_to_config($file,$line,$flags,$sign){
     if ($sign=="+") $flag = "p";
     else            $flag = "_";
     
-    $arr_config[$dc]['configs'][$dcc]['lines'][$dccc]['flags'] = $flag;
+    echo "file index: $dc, config index: $dcc, line index: $dccc \n";
     
+    if ($err==7){
+        $arr_config[$dc]['configs'][$dcc]['lines'][$dccc]['flags'] = $flag;   
         update_config(json_encode($arr_config));
-    //print_r($arr_config);
+    }else{
+        echo "error code: $err";
+    }
 }
 
 function filter_record_by_file($a,$f){
@@ -245,6 +280,11 @@ if ($cmd=="reread"){
     //echo "<pre>";print_r($filtered);
 }
 
+if ($cmd=="setflag"){
+    $flag = $_GET['flag'];
+    apply_flag($flag);
+}
+
 //single line: echo -n 'file gamma_tables.c +p' > /sys/kernel/debug/dynamic_debug/control
 
 ?>