blob: 987f956d3ab78cc79476a72a71c8ea195a71dd87 (
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
46
47
48
49
50
51
52
53
54
55
56
57
|
/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "perfetto/tracing/internal/system_tracing_backend.h"
#include "perfetto/base/logging.h"
#include "perfetto/base/task_runner.h"
#include "perfetto/ext/tracing/core/tracing_service.h"
#include "perfetto/ext/tracing/ipc/default_socket.h"
#include "perfetto/ext/tracing/ipc/producer_ipc_client.h"
namespace perfetto {
namespace internal {
// static
TracingBackend* SystemTracingBackend::GetInstance() {
static auto* instance = new SystemTracingBackend();
return instance;
}
SystemTracingBackend::SystemTracingBackend() {}
std::unique_ptr<ProducerEndpoint> SystemTracingBackend::ConnectProducer(
const ConnectProducerArgs& args) {
PERFETTO_DCHECK(args.task_runner->RunsTasksOnCurrentThread());
auto endpoint = ProducerIPCClient::Connect(
GetProducerSocket(), args.producer, args.producer_name, args.task_runner,
TracingService::ProducerSMBScrapingMode::kEnabled,
args.shmem_size_hint_bytes, args.shmem_page_size_hint_bytes);
PERFETTO_CHECK(endpoint);
return endpoint;
}
std::unique_ptr<ConsumerEndpoint> SystemTracingBackend::ConnectConsumer(
const ConnectConsumerArgs&) {
PERFETTO_FATAL(
"Trace session creation is not supported yet when using the system "
"tracing backend. Use the perfetto cmdline client instead to start "
"system-wide tracing sessions");
}
} // namespace internal
} // namespace perfetto
|
