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 "src/traceconv/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/breakpad_symbolizer.h"
25 #include "src/profiling/symbolizer/local_symbolizer.h"
26 #include "src/profiling/symbolizer/symbolize_database.h"
27 #include "src/profiling/symbolizer/symbolizer.h"
28
29 #include "protos/perfetto/trace/trace.pbzero.h"
30 #include "protos/perfetto/trace/trace_packet.pbzero.h"
31 #include "src/traceconv/utils.h"
32
33 namespace perfetto {
34 namespace trace_to_text {
35
36 // Ingest profile, and emit a symbolization table for each sequence. This can
37 // be prepended to the profile to attach the symbol information.
SymbolizeProfile(std::istream * input,std::ostream * output)38 int SymbolizeProfile(std::istream* input, std::ostream* output) {
39 std::unique_ptr<profiling::Symbolizer> symbolizer;
40 const char* breakpad_dir = getenv("BREAKPAD_SYMBOL_DIR");
41 if (breakpad_dir == nullptr) {
42 symbolizer = profiling::LocalSymbolizerOrDie(
43 profiling::GetPerfettoBinaryPath(), getenv("PERFETTO_SYMBOLIZER_MODE"));
44 } else {
45 symbolizer.reset(new profiling::BreakpadSymbolizer(breakpad_dir));
46 }
47
48 if (!symbolizer)
49 PERFETTO_FATAL("No symbolizer selected");
50 trace_processor::Config config;
51 std::unique_ptr<trace_processor::TraceProcessor> tp =
52 trace_processor::TraceProcessor::CreateInstance(config);
53
54 if (!ReadTraceUnfinalized(tp.get(), input))
55 PERFETTO_FATAL("Failed to read trace.");
56
57 tp->Flush();
58 if (auto status = tp->NotifyEndOfFile(); !status.ok()) {
59 PERFETTO_FATAL("%s", status.c_message());
60 }
61
62 SymbolizeDatabase(
63 tp.get(), symbolizer.get(),
64 [output](const std::string& trace_proto) { *output << trace_proto; });
65
66 return 0;
67 }
68
69 } // namespace trace_to_text
70 } // namespace perfetto
71