Remove unused method GetCpuUsage.

ATxCommon/SystemChecks.cs

@@ -32,77 +32,6 @@ namespace ATxCommon
             return -1;
         }
 
-        /// <summary>
-        /// Get the CPU usage in percent over all cores.
-        /// </summary>
-        /// <returns>CPU usage in percent or -1 if an error occured.</returns>
-        public static int GetCpuUsage() {
-            // TODO: fix bug #36
-            return 0;
-            try {
-                Log.Trace("Querying WMI for CPU load...");
-                var watch = Stopwatch.StartNew();
-                var queryString = "SELECT Name, PercentProcessorTime " +
-                            "FROM Win32_PerfFormattedData_PerfOS_Processor";
-                var opts = new EnumerationOptions {
-                    Timeout = new TimeSpan(0, 0, 10),
-                    ReturnImmediately = false,
-                };
-                var searcher = new ManagementObjectSearcher("", queryString, opts);
-                Int32 usageInt32 = -1;
-
-                
-                var managementObjects = searcher.Get();
-                if (managementObjects.Count == 0) {
-                    Log.Error("No objects returned from WMI!");
-                    watch.Stop();
-                    Log.Debug("WMI query took {0} ms.", watch.ElapsedMilliseconds);
-                    return -1;
-                }
-                Log.Debug("WMI query returned {0} objects.", managementObjects.Count);
-                foreach (var mo in managementObjects) {
-                    var obj = (ManagementObject)mo;
-                    var usage = obj["PercentProcessorTime"];
-                    var name = obj["Name"];
-                    
-                    usageInt32 = Convert.ToInt32(usage);
-                    Log.Debug("CPU usage {1}: {0}", usageInt32, name);
-                }
-                watch.Stop();
-                Log.Debug("WMI query took {0} ms.", watch.ElapsedMilliseconds);
-                return usageInt32;
-                
-
-                /*
-                var cpuTimes = searcher.Get()
-                    .Cast<ManagementObject>()
-                    .Select(mo => new {
-                            Name = mo["Name"],
-                            Usage = mo["PercentProcessorTime"]
-                        }
-                    )
-                    .ToList();
-                if (cpuTimes.Count == 0)
-                    return -1;
-
-                Log.Trace("WMI query returned {0} objects.", cpuTimes.Count);
-                // The '_Total' value represents the average usage across all cores,
-                // and is the best representation of overall CPU usage
-                var query = cpuTimes.Where(x => x.Name.ToString() == "_Total").Select(x => x.Usage);
-                var cpuUsage = query.SingleOrDefault();
-                usageInt32 = Convert.ToInt32(cpuUsage);
-                Log.Trace("CPU usage: {0}", usageInt32);
-                return usageInt32;
-                */
-            }
-            catch (Exception ex) {
-                Log.Trace("Error in GetCpuUsage: {0}", ex.Message);
-            }
-
-            Log.Trace("Failed querying CPU usage!");
-            return -1;
-        }
-
         /// <summary>
         /// Get the free space of a drive in bytes.
         /// </summary>