1/*
2 * Copyright (C) 2019 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17syntax = "proto2";
18
19package perfetto.protos;
20
21message HistogramName {
22  optional uint64 iid = 1;
23  optional string name = 2;
24}
25
26// An individual histogram sample logged via Chrome's UMA metrics system.
27message ChromeHistogramSample {
28  // MD5 hash of the metric name. Either |name_hash| or |name|/|name_iid| or
29  // both must be present.
30  optional uint64 name_hash = 1;
31  optional string name = 2;
32  optional int64 sample = 3;
33  // Interned HistogramName. Only one of |name|, |name_iid| can be set.
34  optional uint64 name_iid = 4;
35}
36