FEATURE: add process stats to memory report

app/controllers/admin/diagnostics_controller.rb

@@ -3,7 +3,7 @@ class Admin::DiagnosticsController < Admin::AdminController
   skip_before_filter :check_xhr
 
   def memory_stats
-    render text: memory_report, content_type: Mime::TEXT
+    render text: memory_report(class_report: params.key?(:full)), content_type: Mime::TEXT
   end
 
   def dump_heap
@@ -24,7 +24,7 @@ class Admin::DiagnosticsController < Admin::AdminController
 
   protected
 
-  def memory_report
+  def memory_report(opts={})
     begin
       # ruby 2.1
       GC.start(full_mark: true)
@@ -35,23 +35,25 @@ class Admin::DiagnosticsController < Admin::AdminController
 
     classes = {}
 
-    ObjectSpace.each_object do |o|
-      begin
-        next if o == classes
+    if opts[:class_report]
+      ObjectSpace.each_object do |o|
+        begin
+          next if o == classes
 
-        classes[o.class] ||= 0
-        classes[o.class] += 1
-      rescue
-        # all sorts of stuff can happen here BasicObject etc.
-        classes[:unknown] ||= 0
-        classes[:unknown] += 1
+          classes[o.class] ||= 0
+          classes[o.class] += 1
+        rescue
+          # all sorts of stuff can happen here BasicObject etc.
+          classes[:unknown] ||= 0
+          classes[:unknown] += 1
+        end
       end
+      classes = classes.sort{|a,b| b[1] <=> a[1]}[0..40].map{|klass, count| "#{klass}: #{count}"}
     end
 
     stats = GC.stat.map{|k,v| "#{k}: #{v}"}
     counts = ObjectSpace.count_objects.sort{|a,b| b[1] <=> a[1] }.map{|k,v| "#{k}: #{v}"}
 
-    classes = classes.sort{|a,b| b[1] <=> a[1]}[0..40].map{|klass, count| "#{klass}: #{count}"}
 
 
     <<TEXT
@@ -63,9 +65,13 @@ GC STATS:
 Objects:
 #{counts.join("\n")}
 
+Process Info:
+#{`cat /proc/#{Process.pid}/status`}
+
 Classes:
-#{classes.join("\n")}
+#{classes.length > 0 ? classes.join("\n") : "Class report omitted use ?full=1 to include it"}
 
 TEXT
+
   end
 end