1 files changed, 56 insertions, 0 deletions
diff --git a/src/trace_processor/dynamic/experimental_flamegraph_generator.h b/src/trace_processor/dynamic/experimental_flamegraph_generator.h
new file mode 100644
index 000000000..7ca1f510e
--- /dev/null
+++ b/src/trace_processor/dynamic/experimental_flamegraph_generator.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SRC_TRACE_PROCESSOR_DYNAMIC_EXPERIMENTAL_FLAMEGRAPH_GENERATOR_H_
+#define SRC_TRACE_PROCESSOR_DYNAMIC_EXPERIMENTAL_FLAMEGRAPH_GENERATOR_H_
+
+#include "src/trace_processor/sqlite/db_sqlite_table.h"
+
+#include "src/trace_processor/storage/trace_storage.h"
+
+namespace perfetto {
+namespace trace_processor {
+
+class TraceProcessorContext;
+
+class ExperimentalFlamegraphGenerator
+    : public DbSqliteTable::DynamicTableGenerator {
+ public:
+  struct InputValues {
+    int64_t ts;
+    UniquePid upid;
+    std::string profile_type;
+    std::string focus_str;
+  };
+
+  explicit ExperimentalFlamegraphGenerator(TraceProcessorContext* context);
+  virtual ~ExperimentalFlamegraphGenerator() override;
+
+  Table::Schema CreateSchema() override;
+  std::string TableName() override;
+  uint32_t EstimateRowCount() override;
+  util::Status ValidateConstraints(const QueryConstraints&) override;
+  std::unique_ptr<Table> ComputeTable(const std::vector<Constraint>& cs,
+                                      const std::vector<Order>& ob) override;
+
+ private:
+  TraceProcessorContext* context_ = nullptr;
+};
+
+}  // namespace trace_processor
+}  // namespace perfetto
+
+#endif  // SRC_TRACE_PROCESSOR_DYNAMIC_EXPERIMENTAL_FLAMEGRAPH_GENERATOR_H_