예제 #1
0
        /// <summary>
        /// Generates <paramref name="count"/> count buckets of equal <paramref name="width"/>, with the first having a lower bound of <see cref="double.NegativeInfinity"/> and upper-incluse bound of <paramref name="min"/>.
        /// An extra bucket is implicitly generated for values over the specified buckets (<see href="https://prometheus.io/docs/instrumenting/writing_clientlibs/#histogram"/>).
        ///
        /// The generated buckets are registered to <paramref name="builder"/>.
        /// </summary>
        /// <param name="builder">The builder to assign the buckets to</param>
        /// <param name="min">Inclusive upper bound of lowest bucket</param>
        /// <param name="width">The width of a bucket.</param>
        /// <param name="count">Number of intervals create buckets for. At least 1</param>
        /// <returns>the builder supplied in <paramref name="builder"/></returns>
        public static IHistogramBuilder LinearBuckets(this IHistogramBuilder builder, double min, double width, int count)
        {
            if (builder == null)
            {
                throw new ArgumentNullException(nameof(builder));
            }

            var generator = new LinearBucketGenerator();

            var buckets = generator.LinearBuckets(min, width, count);

            builder.Buckets(buckets);

            return(builder);
        }