1
2syntax = "proto2";
3
4option java_package = "com.google.common.logging";
5
6option optimize_for = LITE_RUNTIME;
7
8package wireless_android_play_playlog;
9
10// An entry of the map from a stack of addresses to count.
11// Address here is the offset of the instruction address to the load address
12// of the load_module.
13message AddressSample {
14  // List of addresses that represents a call stack.
15  // address[0] is the leaf of the call stack.
16  repeated uint64 address = 1;
17
18  // List of load_module_ids that represents a call stack.
19  // load_module_id[0] is the leaf of the call stack.
20  // This field can be set as empty if all frame share the same load_module_id
21  // with LoadModuleSamples.load_module_id.
22  repeated int32 load_module_id = 2;
23
24  // Total count that the address/address_range is sampled.
25  optional int64 count = 3;
26};
27
28// An entry of the map from address_range to count.
29// [start, end] represents the range of addresses, end->to represents the
30// taken branch that ends the range.
31message RangeSample {
32  // Start instruction address of a range.
33  optional uint64 start = 1;
34
35  // If "end" and "to" is not provided, "start" represents a single instruction.
36  optional uint64 end = 2;
37  optional uint64 to = 3;
38
39  // Total count that the address/address_range is sampled.
40  optional int64 count = 4;
41};
42
43// A load module.
44message LoadModule {
45  // Name of the load_module.
46  optional string name = 1;
47
48  // LoadModule's linker build_id.
49  optional string build_id = 2;
50}
51
52// All samples for a load_module.
53message LoadModuleSamples {
54  optional int32 load_module_id = 1;
55
56  // Map from a stack of addresses to count.
57  repeated AddressSample address_samples = 2;
58
59  // Map from a range triplet (start, end, to) to count.
60  repeated RangeSample range_samples = 3;
61}
62
63// All samples for a program.
64message ProgramSamples {
65  // Name of the program.
66  optional string name = 1;
67
68  // Load module profiles.
69  repeated LoadModuleSamples modules = 2;
70}
71
72// A compressed representation of a perf profile, which contains samples from
73// multiple binaries.
74message AndroidPerfProfile {
75
76  // Type of the hardware event.
77  enum EventType {
78    CYCLE = 0;
79    BRANCH = 1;
80  }
81  // Hardware event used in profiling.
82  optional EventType event = 1;
83
84  // Total number of samples in this profile.
85  // This is the sum of counts of address_samples and range_samples in all
86  // load_module_samples.
87  optional int64 total_samples = 2;
88
89  // Samples for all profiled programs.
90  repeated ProgramSamples programs = 3;
91
92  // List of all load modules.
93  repeated LoadModule load_modules = 4;
94
95  // is device screen on at point when profile is collected?
96  optional bool display_on = 5;
97
98  // system load at point when profile is collected; corresponds
99  // to first value from /proc/loadavg multiplied by 100 then
100  // converted to int32
101  optional int32 sys_load_average = 6;
102}
103