blob: 814dca6b59dc067a2d874385517f0c327151e79a (
plain)
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
|
// Copyright 2019 the V8 project 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 "src/libplatform/tracing/perfetto-producer.h"
#include "perfetto/tracing/core/data_source_config.h"
#include "perfetto/tracing/core/data_source_descriptor.h"
#include "perfetto/tracing/core/trace_writer.h"
#include "src/libplatform/tracing/perfetto-tasks.h"
#include "src/libplatform/tracing/perfetto-tracing-controller.h"
namespace v8 {
namespace platform {
namespace tracing {
void PerfettoProducer::OnConnect() {
::perfetto::DataSourceDescriptor ds_desc;
ds_desc.set_name("v8.trace_events");
service_endpoint_->RegisterDataSource(ds_desc);
}
void PerfettoProducer::StartDataSource(
::perfetto::DataSourceInstanceID, const ::perfetto::DataSourceConfig& cfg) {
target_buffer_ = cfg.target_buffer();
tracing_controller_->OnProducerReady();
}
void PerfettoProducer::StopDataSource(::perfetto::DataSourceInstanceID) {
target_buffer_ = 0;
}
std::unique_ptr<::perfetto::TraceWriter> PerfettoProducer::CreateTraceWriter()
const {
CHECK_NE(0, target_buffer_);
return service_endpoint_->CreateTraceWriter(target_buffer_);
}
PerfettoProducer::PerfettoProducer(
PerfettoTracingController* tracing_controller)
: tracing_controller_(tracing_controller) {}
} // namespace tracing
} // namespace platform
} // namespace v8
|
