Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 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 | */ |
| 16 | |
| 17 | #include "src/traced/probes/probes_producer.h" |
| 18 | |
| 19 | #include <stdio.h> |
Anna Zappone | 4ea73c0 | 2018-03-09 16:01:21 +0000 | [diff] [blame] | 20 | #include <sys/stat.h> |
Anna Zappone | 27ac99c | 2018-03-06 14:25:35 +0000 | [diff] [blame] | 21 | #include <queue> |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 22 | #include <string> |
| 23 | |
| 24 | #include "perfetto/base/logging.h" |
Hector Dearman | 0ff07c7 | 2018-03-15 09:54:46 +0000 | [diff] [blame] | 25 | #include "perfetto/base/weak_ptr.h" |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 26 | #include "perfetto/traced/traced.h" |
| 27 | #include "perfetto/tracing/core/data_source_config.h" |
| 28 | #include "perfetto/tracing/core/data_source_descriptor.h" |
Hector Dearman | a89cc57 | 2018-02-23 12:02:58 +0000 | [diff] [blame] | 29 | #include "perfetto/tracing/core/ftrace_config.h" |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 30 | #include "perfetto/tracing/core/trace_config.h" |
| 31 | #include "perfetto/tracing/core/trace_packet.h" |
Anna Zappone | 2a6f904 | 2018-03-14 13:26:07 +0000 | [diff] [blame] | 32 | #include "src/traced/probes/filesystem/inode_file_data_source.h" |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 33 | |
Anna Zappone | 27ac99c | 2018-03-06 14:25:35 +0000 | [diff] [blame] | 34 | #include "perfetto/trace/filesystem/inode_file_map.pbzero.h" |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 35 | #include "perfetto/trace/ftrace/ftrace_event_bundle.pbzero.h" |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 36 | #include "perfetto/trace/trace_packet.pbzero.h" |
| 37 | |
| 38 | namespace perfetto { |
| 39 | namespace { |
| 40 | |
| 41 | uint64_t kInitialConnectionBackoffMs = 100; |
| 42 | uint64_t kMaxConnectionBackoffMs = 30 * 1000; |
Florian Mayer | dbd0878 | 2018-03-21 14:07:51 +0000 | [diff] [blame] | 43 | constexpr char kFtraceSourceName[] = "com.google.perfetto.ftrace"; |
| 44 | constexpr char kProcessStatsSourceName[] = "com.google.perfetto.process_stats"; |
| 45 | constexpr char kInodeMapSourceName[] = "com.google.perfetto.inode_file_map"; |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 46 | |
| 47 | } // namespace. |
| 48 | |
| 49 | // State transition diagram: |
| 50 | // +----------------------------+ |
| 51 | // v + |
| 52 | // NotStarted -> NotConnected -> Connecting -> Connected |
| 53 | // ^ + |
| 54 | // +--------------+ |
| 55 | // |
| 56 | |
Hector Dearman | c848803 | 2018-03-02 13:12:01 +0000 | [diff] [blame] | 57 | ProbesProducer::ProbesProducer() {} |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 58 | ProbesProducer::~ProbesProducer() = default; |
| 59 | |
| 60 | void ProbesProducer::OnConnect() { |
| 61 | PERFETTO_DCHECK(state_ == kConnecting); |
| 62 | state_ = kConnected; |
| 63 | ResetConnectionBackoff(); |
| 64 | PERFETTO_LOG("Connected to the service"); |
| 65 | |
| 66 | DataSourceDescriptor ftrace_descriptor; |
| 67 | ftrace_descriptor.set_name(kFtraceSourceName); |
Lalit Maganti | a88807d | 2018-03-05 18:21:38 +0000 | [diff] [blame] | 68 | endpoint_->RegisterDataSource(ftrace_descriptor, [](DataSourceInstanceID) {}); |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 69 | |
| 70 | DataSourceDescriptor process_stats_descriptor; |
| 71 | process_stats_descriptor.set_name(kProcessStatsSourceName); |
| 72 | endpoint_->RegisterDataSource(process_stats_descriptor, |
Lalit Maganti | a88807d | 2018-03-05 18:21:38 +0000 | [diff] [blame] | 73 | [](DataSourceInstanceID) {}); |
Anna Zappone | 27ac99c | 2018-03-06 14:25:35 +0000 | [diff] [blame] | 74 | |
| 75 | DataSourceDescriptor inode_map_descriptor; |
Hector Dearman | 0ff07c7 | 2018-03-15 09:54:46 +0000 | [diff] [blame] | 76 | inode_map_descriptor.set_name(kInodeMapSourceName); |
Anna Zappone | 27ac99c | 2018-03-06 14:25:35 +0000 | [diff] [blame] | 77 | endpoint_->RegisterDataSource(inode_map_descriptor, |
| 78 | [](DataSourceInstanceID) {}); |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 79 | } |
| 80 | |
| 81 | void ProbesProducer::OnDisconnect() { |
| 82 | PERFETTO_DCHECK(state_ == kConnected || state_ == kConnecting); |
| 83 | state_ = kNotConnected; |
| 84 | PERFETTO_LOG("Disconnected from tracing service"); |
| 85 | IncreaseConnectionBackoff(); |
| 86 | |
| 87 | // TODO(hjd): Erase all sinks and add e2e test for this. |
| 88 | task_runner_->PostDelayedTask([this] { this->Connect(); }, |
| 89 | connection_backoff_ms_); |
| 90 | } |
| 91 | |
Hector Dearman | 0ff07c7 | 2018-03-15 09:54:46 +0000 | [diff] [blame] | 92 | void ProbesProducer::CreateDataSourceInstance(DataSourceInstanceID instance_id, |
| 93 | const DataSourceConfig& config) { |
| 94 | // TODO(hjd): This a hack since we don't actually know the session id. For |
| 95 | // now we'll assume anything wit hthe same target buffer is in the same |
| 96 | // session. |
| 97 | TracingSessionID session_id = config.target_buffer(); |
| 98 | |
| 99 | if (config.name() == kFtraceSourceName) { |
Hector Dearman | bcb56fb | 2018-03-26 13:59:24 +0100 | [diff] [blame] | 100 | if (!CreateFtraceDataSourceInstance(session_id, instance_id, config)) |
| 101 | failed_sources_.insert(instance_id); |
Hector Dearman | 0ff07c7 | 2018-03-15 09:54:46 +0000 | [diff] [blame] | 102 | } else if (config.name() == kInodeMapSourceName) { |
| 103 | CreateInodeFileDataSourceInstance(session_id, instance_id, config); |
| 104 | } else if (config.name() == kProcessStatsSourceName) { |
| 105 | CreateProcessStatsDataSourceInstance(session_id, instance_id, config); |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 106 | } else { |
| 107 | PERFETTO_ELOG("Data source name: %s not recognised.", |
Hector Dearman | 0ff07c7 | 2018-03-15 09:54:46 +0000 | [diff] [blame] | 108 | config.name().c_str()); |
| 109 | return; |
| 110 | } |
| 111 | |
| 112 | std::map<TracingSessionID, InodeFileDataSource*> file_sources; |
| 113 | std::map<TracingSessionID, ProcessStatsDataSource*> ps_sources; |
| 114 | for (const auto& pair : file_map_sources_) |
| 115 | file_sources[pair.second->session_id()] = pair.second.get(); |
| 116 | for (const auto& pair : process_stats_sources_) |
| 117 | ps_sources[pair.second->session_id()] = pair.second.get(); |
| 118 | |
| 119 | for (const auto& id_to_source : delegates_) { |
| 120 | const std::unique_ptr<SinkDelegate>& source = id_to_source.second; |
| 121 | if (session_id != source->session_id()) |
| 122 | continue; |
| 123 | if (!source->ps_source() && ps_sources.count(session_id)) |
| 124 | source->set_ps_source(ps_sources[session_id]->GetWeakPtr()); |
| 125 | if (!source->file_source() && file_sources.count(session_id)) |
| 126 | source->set_file_source(file_sources[session_id]->GetWeakPtr()); |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 127 | } |
| 128 | } |
| 129 | |
Anna Zappone | 27ac99c | 2018-03-06 14:25:35 +0000 | [diff] [blame] | 130 | void ProbesProducer::AddWatchdogsTimer(DataSourceInstanceID id, |
Hector Dearman | 0ff07c7 | 2018-03-15 09:54:46 +0000 | [diff] [blame] | 131 | const DataSourceConfig& config) { |
| 132 | if (config.trace_duration_ms() != 0) |
Anna Zappone | 27ac99c | 2018-03-06 14:25:35 +0000 | [diff] [blame] | 133 | watchdogs_.emplace(id, base::Watchdog::GetInstance()->CreateFatalTimer( |
Hector Dearman | 0ff07c7 | 2018-03-15 09:54:46 +0000 | [diff] [blame] | 134 | 5000 + 2 * config.trace_duration_ms())); |
Anna Zappone | 27ac99c | 2018-03-06 14:25:35 +0000 | [diff] [blame] | 135 | } |
| 136 | |
Hector Dearman | bcb56fb | 2018-03-26 13:59:24 +0100 | [diff] [blame] | 137 | bool ProbesProducer::CreateFtraceDataSourceInstance( |
Hector Dearman | 0ff07c7 | 2018-03-15 09:54:46 +0000 | [diff] [blame] | 138 | TracingSessionID session_id, |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 139 | DataSourceInstanceID id, |
Hector Dearman | 0ff07c7 | 2018-03-15 09:54:46 +0000 | [diff] [blame] | 140 | const DataSourceConfig& config) { |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 141 | // Don't retry if FtraceController::Create() failed once. |
| 142 | // This can legitimately happen on user builds where we cannot access the |
| 143 | // debug paths, e.g., because of SELinux rules. |
| 144 | if (ftrace_creation_failed_) |
Hector Dearman | bcb56fb | 2018-03-26 13:59:24 +0100 | [diff] [blame] | 145 | return false; |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 146 | |
| 147 | // Lazily create on the first instance. |
| 148 | if (!ftrace_) { |
| 149 | ftrace_ = FtraceController::Create(task_runner_); |
| 150 | |
| 151 | if (!ftrace_) { |
| 152 | PERFETTO_ELOG("Failed to create FtraceController"); |
| 153 | ftrace_creation_failed_ = true; |
Hector Dearman | bcb56fb | 2018-03-26 13:59:24 +0100 | [diff] [blame] | 154 | return false; |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 155 | } |
| 156 | |
| 157 | ftrace_->DisableAllEvents(); |
| 158 | ftrace_->ClearTrace(); |
| 159 | } |
| 160 | |
| 161 | PERFETTO_LOG("Ftrace start (id=%" PRIu64 ", target_buf=%" PRIu32 ")", id, |
Hector Dearman | 0ff07c7 | 2018-03-15 09:54:46 +0000 | [diff] [blame] | 162 | config.target_buffer()); |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 163 | |
Hector Dearman | 0ff07c7 | 2018-03-15 09:54:46 +0000 | [diff] [blame] | 164 | FtraceConfig proto_config = config.ftrace_config(); |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 165 | |
| 166 | // TODO(hjd): Static cast is bad, target_buffer() should return a BufferID. |
| 167 | auto trace_writer = endpoint_->CreateTraceWriter( |
Hector Dearman | 0ff07c7 | 2018-03-15 09:54:46 +0000 | [diff] [blame] | 168 | static_cast<BufferID>(config.target_buffer())); |
Hector Dearman | c848803 | 2018-03-02 13:12:01 +0000 | [diff] [blame] | 169 | auto delegate = std::unique_ptr<SinkDelegate>( |
Hector Dearman | 0ff07c7 | 2018-03-15 09:54:46 +0000 | [diff] [blame] | 170 | new SinkDelegate(session_id, task_runner_, std::move(trace_writer))); |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 171 | auto sink = ftrace_->CreateSink(std::move(proto_config), delegate.get()); |
Hector Dearman | ee3c49d | 2018-02-28 14:10:22 +0000 | [diff] [blame] | 172 | if (!sink) { |
| 173 | PERFETTO_ELOG("Failed to start tracing (maybe someone else is using it?)"); |
Hector Dearman | bcb56fb | 2018-03-26 13:59:24 +0100 | [diff] [blame] | 174 | return false; |
Hector Dearman | ee3c49d | 2018-02-28 14:10:22 +0000 | [diff] [blame] | 175 | } |
Hector Dearman | 210dc6f | 2018-03-12 10:51:07 +0000 | [diff] [blame] | 176 | delegate->set_sink(std::move(sink)); |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 177 | delegates_.emplace(id, std::move(delegate)); |
Hector Dearman | 0ff07c7 | 2018-03-15 09:54:46 +0000 | [diff] [blame] | 178 | AddWatchdogsTimer(id, config); |
Hector Dearman | bcb56fb | 2018-03-26 13:59:24 +0100 | [diff] [blame] | 179 | return true; |
Anna Zappone | 27ac99c | 2018-03-06 14:25:35 +0000 | [diff] [blame] | 180 | } |
| 181 | |
Anna Zappone | 2a6f904 | 2018-03-14 13:26:07 +0000 | [diff] [blame] | 182 | void ProbesProducer::CreateInodeFileDataSourceInstance( |
Hector Dearman | 0ff07c7 | 2018-03-15 09:54:46 +0000 | [diff] [blame] | 183 | TracingSessionID session_id, |
Anna Zappone | 27ac99c | 2018-03-06 14:25:35 +0000 | [diff] [blame] | 184 | DataSourceInstanceID id, |
| 185 | const DataSourceConfig& source_config) { |
| 186 | PERFETTO_LOG("Inode file map start (id=%" PRIu64 ", target_buf=%" PRIu32 ")", |
| 187 | id, source_config.target_buffer()); |
| 188 | auto trace_writer = endpoint_->CreateTraceWriter( |
| 189 | static_cast<BufferID>(source_config.target_buffer())); |
Anna Zappone | 2a6f904 | 2018-03-14 13:26:07 +0000 | [diff] [blame] | 190 | if (system_inodes_.empty()) |
Hector Dearman | 7fabd70 | 2018-03-28 12:37:15 +0100 | [diff] [blame^] | 191 | CreateStaticDeviceToInodeMap("/system", &system_inodes_); |
Hector Dearman | 0ff07c7 | 2018-03-15 09:54:46 +0000 | [diff] [blame] | 192 | auto file_map_source = |
| 193 | std::unique_ptr<InodeFileDataSource>(new InodeFileDataSource( |
Anna Zappone | 3be7b67 | 2018-03-23 17:26:10 +0000 | [diff] [blame] | 194 | session_id, &system_inodes_, &cache_, std::move(trace_writer))); |
Anna Zappone | 27ac99c | 2018-03-06 14:25:35 +0000 | [diff] [blame] | 195 | file_map_sources_.emplace(id, std::move(file_map_source)); |
| 196 | AddWatchdogsTimer(id, source_config); |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 197 | } |
| 198 | |
| 199 | void ProbesProducer::CreateProcessStatsDataSourceInstance( |
Hector Dearman | 0ff07c7 | 2018-03-15 09:54:46 +0000 | [diff] [blame] | 200 | TracingSessionID session_id, |
Hector Dearman | 7745169 | 2018-03-08 16:21:13 +0000 | [diff] [blame] | 201 | DataSourceInstanceID id, |
Hector Dearman | 0ff07c7 | 2018-03-15 09:54:46 +0000 | [diff] [blame] | 202 | const DataSourceConfig& config) { |
Hector Dearman | 7745169 | 2018-03-08 16:21:13 +0000 | [diff] [blame] | 203 | PERFETTO_DCHECK(process_stats_sources_.count(id) == 0); |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 204 | auto trace_writer = endpoint_->CreateTraceWriter( |
Hector Dearman | 0ff07c7 | 2018-03-15 09:54:46 +0000 | [diff] [blame] | 205 | static_cast<BufferID>(config.target_buffer())); |
Hector Dearman | ebf07c7 | 2018-03-13 10:31:05 +0000 | [diff] [blame] | 206 | auto source = std::unique_ptr<ProcessStatsDataSource>( |
Hector Dearman | 0ff07c7 | 2018-03-15 09:54:46 +0000 | [diff] [blame] | 207 | new ProcessStatsDataSource(session_id, std::move(trace_writer))); |
Hector Dearman | ebf07c7 | 2018-03-13 10:31:05 +0000 | [diff] [blame] | 208 | auto it_and_inserted = process_stats_sources_.emplace(id, std::move(source)); |
| 209 | PERFETTO_DCHECK(it_and_inserted.second); |
| 210 | it_and_inserted.first->second->WriteAllProcesses(); |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 211 | } |
| 212 | |
| 213 | void ProbesProducer::TearDownDataSourceInstance(DataSourceInstanceID id) { |
| 214 | PERFETTO_LOG("Producer stop (id=%" PRIu64 ")", id); |
Hector Dearman | 7745169 | 2018-03-08 16:21:13 +0000 | [diff] [blame] | 215 | // |id| could be the id of any of the datasources we handle: |
Hector Dearman | aa69aff | 2018-03-26 19:49:23 +0100 | [diff] [blame] | 216 | PERFETTO_DCHECK((failed_sources_.count(id) + delegates_.count(id) + |
Hector Dearman | bcb56fb | 2018-03-26 13:59:24 +0100 | [diff] [blame] | 217 | process_stats_sources_.count(id) + |
Hector Dearman | 7745169 | 2018-03-08 16:21:13 +0000 | [diff] [blame] | 218 | file_map_sources_.count(id)) == 1); |
Hector Dearman | bcb56fb | 2018-03-26 13:59:24 +0100 | [diff] [blame] | 219 | failed_sources_.erase(id); |
Hector Dearman | 7745169 | 2018-03-08 16:21:13 +0000 | [diff] [blame] | 220 | delegates_.erase(id); |
| 221 | process_stats_sources_.erase(id); |
| 222 | file_map_sources_.erase(id); |
| 223 | watchdogs_.erase(id); |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 224 | } |
| 225 | |
Isabelle Taylor | 69faa90 | 2018-03-21 15:42:03 +0000 | [diff] [blame] | 226 | void ProbesProducer::OnTracingStart() {} |
| 227 | void ProbesProducer::OnTracingStop() {} |
| 228 | |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 229 | void ProbesProducer::ConnectWithRetries(const char* socket_name, |
| 230 | base::TaskRunner* task_runner) { |
| 231 | PERFETTO_DCHECK(state_ == kNotStarted); |
| 232 | state_ = kNotConnected; |
| 233 | |
| 234 | ResetConnectionBackoff(); |
| 235 | socket_name_ = socket_name; |
| 236 | task_runner_ = task_runner; |
| 237 | Connect(); |
| 238 | } |
| 239 | |
| 240 | void ProbesProducer::Connect() { |
| 241 | PERFETTO_DCHECK(state_ == kNotConnected); |
| 242 | state_ = kConnecting; |
Isabelle Taylor | 86262cb | 2018-03-27 16:00:54 +0100 | [diff] [blame] | 243 | endpoint_ = ProducerIPCClient::Connect( |
| 244 | socket_name_, this, "com.google.perfetto.traced_probes", task_runner_); |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 245 | } |
| 246 | |
| 247 | void ProbesProducer::IncreaseConnectionBackoff() { |
| 248 | connection_backoff_ms_ *= 2; |
| 249 | if (connection_backoff_ms_ > kMaxConnectionBackoffMs) |
| 250 | connection_backoff_ms_ = kMaxConnectionBackoffMs; |
| 251 | } |
| 252 | |
| 253 | void ProbesProducer::ResetConnectionBackoff() { |
| 254 | connection_backoff_ms_ = kInitialConnectionBackoffMs; |
| 255 | } |
| 256 | |
Hector Dearman | 0ff07c7 | 2018-03-15 09:54:46 +0000 | [diff] [blame] | 257 | ProbesProducer::SinkDelegate::SinkDelegate(TracingSessionID id, |
| 258 | base::TaskRunner* task_runner, |
Hector Dearman | c848803 | 2018-03-02 13:12:01 +0000 | [diff] [blame] | 259 | std::unique_ptr<TraceWriter> writer) |
Hector Dearman | 0ff07c7 | 2018-03-15 09:54:46 +0000 | [diff] [blame] | 260 | : session_id_(id), |
| 261 | task_runner_(task_runner), |
Hector Dearman | c848803 | 2018-03-02 13:12:01 +0000 | [diff] [blame] | 262 | writer_(std::move(writer)), |
| 263 | weak_factory_(this) {} |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 264 | |
| 265 | ProbesProducer::SinkDelegate::~SinkDelegate() = default; |
| 266 | |
| 267 | ProbesProducer::FtraceBundleHandle |
| 268 | ProbesProducer::SinkDelegate::GetBundleForCpu(size_t) { |
| 269 | trace_packet_ = writer_->NewTracePacket(); |
| 270 | return FtraceBundleHandle(trace_packet_->set_ftrace_events()); |
| 271 | } |
| 272 | |
Hector Dearman | c848803 | 2018-03-02 13:12:01 +0000 | [diff] [blame] | 273 | void ProbesProducer::SinkDelegate::OnBundleComplete( |
| 274 | size_t, |
| 275 | FtraceBundleHandle, |
| 276 | const FtraceMetadata& metadata) { |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 277 | trace_packet_->Finalize(); |
Hector Dearman | 0ff07c7 | 2018-03-15 09:54:46 +0000 | [diff] [blame] | 278 | |
Anna Zappone | 8ce3087 | 2018-03-19 17:01:15 +0000 | [diff] [blame] | 279 | if (file_source_ && !metadata.inode_and_device.empty()) { |
| 280 | auto inodes = metadata.inode_and_device; |
Hector Dearman | 0ff07c7 | 2018-03-15 09:54:46 +0000 | [diff] [blame] | 281 | auto weak_file_source = file_source_; |
| 282 | task_runner_->PostTask([weak_file_source, inodes] { |
| 283 | if (weak_file_source) |
| 284 | weak_file_source->OnInodes(inodes); |
Hector Dearman | c848803 | 2018-03-02 13:12:01 +0000 | [diff] [blame] | 285 | }); |
| 286 | } |
| 287 | } |
| 288 | |
Isabelle Taylor | d404ea1 | 2018-02-19 17:28:01 +0000 | [diff] [blame] | 289 | } // namespace perfetto |