FormatPerformanceCounter() public static method

Formats a counter into a readable string.
public static FormatPerformanceCounter ( PerformanceCounter pc ) : string
pc System.Diagnostics.PerformanceCounter
return string
PerformanceCounterUtility Class Documentation
コード例 #1
0
        /// <summary>
        /// Performs collection for all registered counters.
        /// </summary>
        /// <param name="onReadingFailure">Invoked when an individual counter fails to be read.</param>
        public IEnumerable <Tuple <PerformanceCounterData, float> > Collect(
            Action <string, Exception> onReadingFailure = null)
        {
            return(this.performanceCounters.Where(pc => !pc.IsInBadState).SelectMany(
                       pc =>
            {
                float value;

                try
                {
                    value = CollectCounter(pc.PerformanceCounter);
                }
                catch (InvalidOperationException e)
                {
                    if (onReadingFailure != null)
                    {
                        onReadingFailure(
                            PerformanceCounterUtility.FormatPerformanceCounter(pc.PerformanceCounter),
                            e);
                    }

                    return new Tuple <PerformanceCounterData, float>[] { };
                }

                return new[] { Tuple.Create(pc, value) };
            }));
        }
コード例 #2
0
 /// <summary>
 /// Collects a value for a single counter.
 /// </summary>
 private static float CollectCounter(PerformanceCounter pc)
 {
     try
     {
         return(pc.NextValue());
     }
     catch (Exception e)
     {
         throw new InvalidOperationException(
                   string.Format(
                       CultureInfo.CurrentCulture,
                       Resources.PerformanceCounterReadFailed,
                       PerformanceCounterUtility.FormatPerformanceCounter(pc)),
                   e);
     }
 }