47 lines
1.4 KiB
C#
47 lines
1.4 KiB
C#
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using System.Diagnostics;
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using System.Threading.Tasks;
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using Serilog;
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namespace PluralKit.Bot
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{
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public class CpuStatService
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{
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private ILogger _logger;
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public double LastCpuMeasure { get; private set; }
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public CpuStatService(ILogger logger)
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{
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_logger = logger;
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}
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/// <summary>
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/// Gets the current CPU usage. Estimation takes ~5 seconds (of mostly sleeping).
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/// </summary>
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public async Task<double> EstimateCpuUsage()
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{
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// We get the current processor time, wait 5 seconds, then compare
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// https://medium.com/@jackwild/getting-cpu-usage-in-net-core-7ef825831b8b
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_logger.Information("Estimating CPU usage...");
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var stopwatch = new Stopwatch();
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stopwatch.Start();
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var cpuTimeBefore = Process.GetCurrentProcess().TotalProcessorTime;
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await Task.Delay(5000);
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stopwatch.Stop();
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var cpuTimeAfter = Process.GetCurrentProcess().TotalProcessorTime;
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var cpuTimePassed = cpuTimeAfter - cpuTimeBefore;
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var timePassed = stopwatch.Elapsed;
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var percent = cpuTimePassed / timePassed;
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_logger.Information("CPU usage measured as {Percent:P}", percent);
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LastCpuMeasure = percent;
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return percent;
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}
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}
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}
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