/// <summary>
/// Updates the varz structure with uptime, cpu, memory usage ....
/// </summary>
private void UpdateVarz()
{
TimeSpan span = DateTime.Now - RubyCompatibility.DateTimeFromRubyString((string)this.discover["start"]);
this.Varz["uptime"] = string.Format(CultureInfo.InvariantCulture, "{0}d:{1}h:{2}m:{3}s", span.Days, span.Hours, span.Minutes, span.Seconds);
float cpu = ((float)Process.GetCurrentProcess().TotalProcessorTime.Ticks / span.Ticks) * 100;
// trim it to one decimal precision
cpu = float.Parse(cpu.ToString("F1", CultureInfo.CurrentCulture), CultureInfo.CurrentCulture);
this.Varz["cpu"] = cpu;
this.Varz["mem"] = Process.GetCurrentProcess().WorkingSet64 / 1024;
// extra uhuru information
this.Varz["cpu_time"] = Process.GetCurrentProcess().TotalProcessorTime;
// this is the cpu percentage for the time span between the Nextvalue calls;
this.Varz["system_cpu"] = this.CpuPerformance.NextValue();
this.Varz["system_cpu_ticks"] = this.CpuPerformance.RawValue;
// todo: add memory usage here
// consider:
// PerformanceCounter ramCounter;
// ramCounter = new PerformanceCounter("Memory", "Available MBytes");
// ramCounter.NextValue();
this.Varz["system_mem"] = null;
}
/// <summary>
/// Updates the discovery uptime.
/// </summary>
private void UpdateDiscoverUptime()
{
TimeSpan span = DateTime.Now - RubyCompatibility.DateTimeFromRubyString((string)this.discover["start"]);
this.discover["uptime"] = string.Format(CultureInfo.InvariantCulture, "{0}d:{1}h:{2}m:{3}s", span.Days, span.Hours, span.Minutes, span.Seconds);
}