1// Copyright 2017 gRPC authors. 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15syntax = "proto3"; 16 17package grpc.core; 18 19message Bucket { 20 double start = 1; 21 uint64 count = 2; 22} 23 24message Histogram { 25 repeated Bucket buckets = 1; 26} 27 28message Metric { 29 string name = 1; 30 oneof value { 31 uint64 count = 10; 32 Histogram histogram = 11; 33 } 34} 35 36message Stats { 37 repeated Metric metrics = 1; 38} 39