1 /*
2 * Copyright (C) 2019 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 "tools/trace_to_text/symbolize_profile.h"
18
19 #include <vector>
20
21 #include "perfetto/base/logging.h"
22 #include "perfetto/trace_processor/trace_processor.h"
23
24 #include "src/profiling/symbolizer/symbolize_database.h"
25 #include "src/profiling/symbolizer/symbolizer.h"
26 #include "src/profiling/symbolizer/local_symbolizer.h"
27
28 #include "protos/perfetto/trace/trace.pbzero.h"
29 #include "protos/perfetto/trace/trace_packet.pbzero.h"
30 #include "tools/trace_to_text/utils.h"
31
32 namespace perfetto {
33 namespace trace_to_text {
34
35 // Ingest profile, and emit a symbolization table for each sequence. This can
36 // be prepended to the profile to attach the symbol information.
SymbolizeProfile(std::istream * input,std::ostream * output)37 int SymbolizeProfile(std::istream* input, std::ostream* output) {
38 std::unique_ptr<profiling::Symbolizer> symbolizer =
39 profiling::LocalSymbolizerOrDie(profiling::GetPerfettoBinaryPath(),
40 getenv("PERFETTO_SYMBOLIZER_MODE"));
41
42 if (!symbolizer)
43 PERFETTO_FATAL("No symbolizer selected");
44 trace_processor::Config config;
45 std::unique_ptr<trace_processor::TraceProcessor> tp =
46 trace_processor::TraceProcessor::CreateInstance(config);
47
48 if (!ReadTrace(tp.get(), input))
49 PERFETTO_FATAL("Failed to read trace.");
50
51 tp->NotifyEndOfFile();
52
53 SymbolizeDatabase(
54 tp.get(), symbolizer.get(),
55 [output](const std::string& trace_proto) { *output << trace_proto; });
56 return 0;
57 }
58
59 } // namespace trace_to_text
60 } // namespace perfetto
61