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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 */
16syntax = "proto2";
17
18package perfetto.protos;
19
20import "protos/perfetto/metrics/android/process_metadata.proto";
21
22message HeapProfileCallsites {
23  message Frame {
24    optional string name = 1;
25    optional string mapping_name = 2;
26  }
27
28  message Counters {
29    // Count of objects allocated
30    optional int64 total_count = 1;
31    // Count of bytes allocated
32    optional int64 total_bytes = 2;
33
34    // Count of allocated objects that were not freed
35    optional int64 delta_count = 3;
36    // Count of allocated bytes that were not freed
37    optional int64 delta_bytes = 4;
38  }
39
40  message Callsite {
41    // The hash unambiguously identifies a callsite in a heap profile (as a
42    // traversal from the root node). It is based on the symbol names (instead
43    // of the addresses).
44    optional int64 hash = 1;
45    optional int64 parent_hash = 2;
46
47    // Leaf frame of the callsite. Use parent_hash to traverse to parent nodes.
48    optional Frame frame = 3;
49
50    optional Counters self_allocs = 4;
51    optional Counters child_allocs = 5;
52  }
53
54  // Callsites per process instance.
55  // Next id: 7
56  message InstanceStats {
57    optional uint32 pid = 1;
58    // TODO(ilkos): Remove process_name in favour of the metadata.
59    optional string process_name = 2;
60    optional AndroidProcessMetadata process = 6;
61    repeated Callsite callsites = 3;
62
63    // Bytes allocated via malloc but not freed.
64    optional int64 profile_delta_bytes = 4;
65    // Bytes allocated via malloc irrespective of whether they were freed.
66    optional int64 profile_total_bytes = 5;
67  }
68
69  repeated InstanceStats instance_stats = 1;
70}
71