Example of using the CompilerServices attributes to automatically add the calling function name to logging information.

LogExtensions.cs

public static class LogExtentions
{
    /// <summary>
    /// Writes an information message to the logger of the form "methodCalled start: msg"
    /// </summary>
    /// <param name="log">The logger instance</param>
    /// <param name="message">The optional message to use</param>
    /// <param name="memberName">The member name to use (automatically set by the compiler)</param>
    public static void InfoMethodStart(this ILog log, string message = null,
        [System.Runtime.CompilerServices.CallerMemberName] string memberName = "")
    {
        var msgSuffix = string.IsNullOrWhiteSpace(message) ? "." : $": {message}";
        log.Info($"{memberName} start{msgSuffix}");
    }

    /// <summary>
    /// Writes an information message to the logger of the form "methodCalled end: msg"
    /// </summary>
    /// <param name="log">The logger instance</param>
    /// <param name="message">The optional message to use</param>
    /// <param name="memberName">The member name to use (automatically set by the compiler)</param>
    public static void InfoMethodEnd(this ILog log, string message,
        [System.Runtime.CompilerServices.CallerMemberName] string memberName = "")
    {
        var msgSuffix = string.IsNullOrWhiteSpace(message) ? "." : $": {message}";
        log.Info($"{memberName} end{msgSuffix}");
    }
}