Trace processor: Export legacy ftrace and json trace events to JSON
Bug: 130786269
Change-Id: I42521574fb1a341edc432f4a1ed7f6f0ade8142c
diff --git a/src/trace_processor/export_json_unittest.cc b/src/trace_processor/export_json_unittest.cc
index 0b0fa86..64d6949 100644
--- a/src/trace_processor/export_json_unittest.cc
+++ b/src/trace_processor/export_json_unittest.cc
@@ -928,6 +928,45 @@
EXPECT_EQ(event["args"][kArgName].asInt(), kArgValue);
}
+TEST(ExportJsonTest, LegacyRawEvents) {
+ const char* kLegacyFtraceData = "some \"data\"\nsome :data:";
+ const char* kLegacyJsonData = "{\"user\": 1}";
+
+ TraceProcessorContext context;
+ context.storage.reset(new TraceStorage());
+ TraceStorage* storage = context.storage.get();
+
+ RowId row_id = storage->mutable_raw_events()->AddRawEvent(
+ 0, storage->InternString("chrome_event.legacy_system_trace"), 0, 0);
+
+ ArgsTracker args(&context);
+ StringId data_id = storage->InternString("data");
+ StringId ftrace_data_id = storage->InternString(kLegacyFtraceData);
+ args.AddArg(row_id, data_id, data_id, Variadic::String(ftrace_data_id));
+
+ row_id = storage->mutable_raw_events()->AddRawEvent(
+ 0, storage->InternString("chrome_event.legacy_user_trace"), 0, 0);
+ StringId json_data_id = storage->InternString(kLegacyJsonData);
+ args.AddArg(row_id, data_id, data_id, Variadic::Json(json_data_id));
+
+ args.Flush();
+
+ base::TempFile temp_file = base::TempFile::Create();
+ FILE* output = fopen(temp_file.path().c_str(), "w+");
+ int code = ExportJson(storage, output);
+
+ EXPECT_EQ(code, kResultOk);
+
+ Json::Reader reader;
+ Json::Value result;
+ EXPECT_TRUE(reader.parse(ReadFile(output), result));
+
+ EXPECT_EQ(result["traceEvents"].size(), 1u);
+ Json::Value user_event = result["traceEvents"][0];
+ EXPECT_EQ(user_event["user"].asInt(), 1);
+ EXPECT_EQ(result["systemTraceEvents"].asString(), kLegacyFtraceData);
+}
+
} // namespace
} // namespace json
} // namespace trace_processor
