1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "mojo/services/tracing/tracing_app.h"
#include "base/bind.h"
#include "base/message_loop/message_loop.h"
#include "mojo/application/public/cpp/application_connection.h"
#include "mojo/services/tracing/trace_data_sink.h"
namespace tracing {
class CollectorImpl : public TraceDataCollector {
public:
CollectorImpl(mojo::InterfaceRequest<TraceDataCollector> request,
TraceDataSink* sink)
: sink_(sink), binding_(this, request.Pass()) {}
~CollectorImpl() override {}
// tracing::TraceDataCollector implementation.
void DataCollected(const mojo::String& json) override {
sink_->AddChunk(json.To<std::string>());
}
private:
TraceDataSink* sink_;
mojo::Binding<TraceDataCollector> binding_;
DISALLOW_COPY_AND_ASSIGN(CollectorImpl);
};
TracingApp::TracingApp() {}
TracingApp::~TracingApp() {}
bool TracingApp::ConfigureIncomingConnection(
mojo::ApplicationConnection* connection) {
connection->AddService<TraceCoordinator>(this);
connection->AddService<StartupPerformanceDataCollector>(this);
// If someone connects to us they may want to use the TraceCoordinator
// interface and/or they may want to expose themselves to be traced. Attempt
// to connect to the TraceController interface to see if the application
// connecting to us wants to be traced. They can refuse the connection or
// close the pipe if not.
TraceControllerPtr controller_ptr;
connection->ConnectToService(&controller_ptr);
if (controller_ptr)
controller_ptrs_.AddInterfacePtr(controller_ptr.Pass());
return true;
}
void TracingApp::Create(
mojo::ApplicationConnection* connection,
mojo::InterfaceRequest<TraceCoordinator> request) {
coordinator_bindings_.AddBinding(this, request.Pass());
}
void TracingApp::Create(
mojo::ApplicationConnection* connection,
mojo::InterfaceRequest<StartupPerformanceDataCollector> request) {
startup_performance_data_collector_bindings_.AddBinding(this, request.Pass());
}
void TracingApp::Start(mojo::ScopedDataPipeProducerHandle stream,
const mojo::String& categories) {
sink_.reset(new TraceDataSink(stream.Pass()));
controller_ptrs_.ForAllPtrs(
[categories, this](TraceController* controller) {
TraceDataCollectorPtr ptr;
collector_impls_.push_back(
new CollectorImpl(GetProxy(&ptr), sink_.get()));
controller->StartTracing(categories, ptr.Pass());
});
}
void TracingApp::StopAndFlush() {
controller_ptrs_.ForAllPtrs(
[](TraceController* controller) { controller->StopTracing(); });
// TODO: We really should keep track of how many connections we have here
// and flush + reset the sink after we receive a EndTracing or a detect a
// pipe closure on all pipes.
base::MessageLoop::current()->PostDelayedTask(
FROM_HERE,
base::Bind(&TracingApp::AllDataCollected, base::Unretained(this)),
base::TimeDelta::FromSeconds(1));
}
void TracingApp::SetShellProcessCreationTime(int64 time) {
if (startup_performance_times_.shell_process_creation_time == 0)
startup_performance_times_.shell_process_creation_time = time;
}
void TracingApp::SetShellMainEntryPointTime(int64 time) {
if (startup_performance_times_.shell_main_entry_point_time == 0)
startup_performance_times_.shell_main_entry_point_time = time;
}
void TracingApp::SetBrowserMessageLoopStartTime(int64 time) {
if (startup_performance_times_.browser_message_loop_start_time == 0)
startup_performance_times_.browser_message_loop_start_time = time;
}
void TracingApp::SetBrowserWindowDisplayTime(int64 time) {
if (startup_performance_times_.browser_window_display_time == 0)
startup_performance_times_.browser_window_display_time = time;
}
void TracingApp::SetBrowserOpenTabsTime(int64 time) {
if (startup_performance_times_.browser_open_tabs_time == 0)
startup_performance_times_.browser_open_tabs_time = time;
}
void TracingApp::SetFirstWebContentsMainFrameLoadTime(int64 time) {
if (startup_performance_times_.first_web_contents_main_frame_load_time == 0)
startup_performance_times_.first_web_contents_main_frame_load_time = time;
}
void TracingApp::SetFirstVisuallyNonEmptyLayoutTime(int64 time) {
if (startup_performance_times_.first_visually_non_empty_layout_time == 0)
startup_performance_times_.first_visually_non_empty_layout_time = time;
}
void TracingApp::GetStartupPerformanceTimes(
const GetStartupPerformanceTimesCallback& callback) {
callback.Run(startup_performance_times_.Clone());
}
void TracingApp::AllDataCollected() {
collector_impls_.clear();
sink_->Flush();
}
} // namespace tracing
|