xref: /aosp_15_r20/external/perfetto/src/trace_processor/importers/perf/itrace_start_record.cc (revision 6dbdd20afdafa5e3ca9b8809fa73465d530080dc)
1 /*
2  * Copyright (C) 2024 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/trace_processor/importers/perf/itrace_start_record.h"
18 
19 #include "src/trace_processor/importers/perf/reader.h"
20 
21 namespace perfetto::trace_processor::perf_importer {
22 
Parse(const Record & record)23 base::Status ItraceStartRecord::Parse(const Record& record) {
24   attr = record.attr;
25   Reader reader(record.payload.copy());
26 
27   if (!reader.Read(pid) || !reader.Read(tid)) {
28     return base::ErrStatus("Failed to parse PERF_RECORD_ITRACE_START");
29   }
30 
31   if (!record.has_trailing_sample_id()) {
32     sample_id.reset();
33     return base::OkStatus();
34   }
35 
36   sample_id.emplace();
37   return sample_id->ParseFromRecord(record);
38 }
39 
40 }  // namespace perfetto::trace_processor::perf_importer
41