GetCpuUsage()

static int System.Diagnostics.Tracing.RuntimeEventSourceHelper.GetCpuUsage ( )

inlinestaticpackage

Definition at line 13 of file RuntimeEventSourceHelper.cs.

    {
        int result = 0;
        if (Interop.Kernel32.GetProcessTimes(Interop.Kernel32.GetCurrentProcess(), out var _, out var exit, out var kernel, out var user) && Interop.Kernel32.GetSystemTimes(out exit, out var kernel2, out var user2))
        {
            long num = user - s_prevProcUserTime + (kernel - s_prevProcKernelTime);
            long num2 = kernel2 - s_prevSystemUserTime + (user2 - s_prevSystemKernelTime);
            if (s_prevSystemUserTime != 0L && s_prevSystemKernelTime != 0L && num2 != 0L)
            {
                result = (int)(num * 100 / num2);
            }
            s_prevProcUserTime = user;
            s_prevProcKernelTime = kernel;
            s_prevSystemUserTime = kernel2;
            s_prevSystemKernelTime = user2;
        }
        return result;
    }

References Interop.Kernel32.GetCurrentProcess(), Interop.Kernel32.GetProcessTimes(), Interop.Kernel32.GetSystemTimes(), System.L, System.Diagnostics.Tracing.RuntimeEventSourceHelper.s_prevProcKernelTime, System.Diagnostics.Tracing.RuntimeEventSourceHelper.s_prevProcUserTime, System.Diagnostics.Tracing.RuntimeEventSourceHelper.s_prevSystemKernelTime, and System.Diagnostics.Tracing.RuntimeEventSourceHelper.s_prevSystemUserTime.

Referenced by System.Diagnostics.Tracing.RuntimeEventSource.OnEventCommand().