// Copyright 2013 Prometheus Team // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. syntax = "proto2"; package io.prometheus.client; option java_package = "io.prometheus.client"; message LabelPair { optional string name = 1; optional string value = 2; } enum MetricType { COUNTER = 0; GAUGE = 1; SUMMARY = 2; UNTYPED = 3; HISTOGRAM = 4; } message Gauge { optional double value = 1; } message Counter { optional double value = 1; } message Quantile { optional double quantile = 1; optional double value = 2; } message Summary { optional uint64 sample_count = 1; optional double sample_sum = 2; repeated Quantile quantile = 3; } message Untyped { optional double value = 1; } message Histogram { optional uint64 sample_count = 1; optional double sample_sum = 2; repeated Bucket bucket = 3; // Ordered in increasing order of upper_bound, +Inf bucket is optional. } message Bucket { optional uint64 cumulative_count = 1; // Cumulative in increasing order. optional double upper_bound = 2; // Inclusive. } message Metric { repeated LabelPair label = 1; optional Gauge gauge = 2; optional Counter counter = 3; optional Summary summary = 4; optional Untyped untyped = 5; optional Histogram histogram = 7; optional int64 timestamp_ms = 6; } message MetricFamily { optional string name = 1; optional string help = 2; optional MetricType type = 3; repeated Metric metric = 4; }