experimental_flamegraph.cc | Explore in Territory

/*
 * 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.
 */

#include "src/trace_processor/perfetto_sql/intrinsics/table_functions/experimental_flamegraph.h"

#include <cstdint>
#include <memory>
#include <optional>
#include <string>
#include <utility>
#include <vector>

#include "perfetto/base/logging.h"
#include "perfetto/base/status.h"
#include "perfetto/ext/base/status_or.h"
#include "perfetto/ext/base/string_utils.h"
#include "perfetto/trace_processor/basic_types.h"
#include "src/trace_processor/containers/string_pool.h"
#include "src/trace_processor/db/column/types.h"
#include "src/trace_processor/db/table.h"
#include "src/trace_processor/importers/proto/heap_graph_tracker.h"
#include "src/trace_processor/perfetto_sql/intrinsics/table_functions/flamegraph_construction_algorithms.h"
#include "src/trace_processor/sqlite/sqlite_utils.h"
#include "src/trace_processor/storage/trace_storage.h"
#include "src/trace_processor/tables/profiler_tables_py.h"
#include "src/trace_processor/types/trace_processor_context.h"
#include "src/trace_processor/util/status_macros.h"

namespace perfetto::trace_processor {

namespace {

base::StatusOr<ExperimentalFlamegraph::ProfileType> ExtractProfileType(
    const std::string& profile_name) { … }

base::StatusOr<int64_t> ParseTimeConstraintTs(const std::string& c,
                                              uint32_t offset) { … }

base::StatusOr<TimeConstraints> ParseTimeConstraint(const std::string& c) { … }

base::StatusOr<std::vector<TimeConstraints>> ExtractTimeConstraints(
    const SqlValue& value) { … }

// For filtering, this method uses the same constraints as
// ExperimentalFlamegraph::ValidateConstraints and should therefore
// be kept in sync.
base::StatusOr<ExperimentalFlamegraph::InputValues> GetFlamegraphInputValues(
    const std::vector<SqlValue>& arguments) { … }

class Matcher { … };

enum class FocusedState { … };

ExperimentalFlamegraphTable;
std::vector<FocusedState> ComputeFocusedState(
    const StringPool& pool,
    const ExperimentalFlamegraphTable& table,
    const Matcher& focus_matcher) { … }

struct CumulativeCounts { … };
std::unique_ptr<tables::ExperimentalFlamegraphTable> FocusTable(
    TraceStorage* storage,
    std::unique_ptr<ExperimentalFlamegraphTable> in,
    const std::string& focus_str) { … }
}  // namespace

ExperimentalFlamegraph::ExperimentalFlamegraph(TraceProcessorContext* context)
    : … { … }

ExperimentalFlamegraph::~ExperimentalFlamegraph() = default;

base::StatusOr<std::unique_ptr<Table>> ExperimentalFlamegraph::ComputeTable(
    const std::vector<SqlValue>& arguments) { … }

Table::Schema ExperimentalFlamegraph::CreateSchema() { … }

std::string ExperimentalFlamegraph::TableName() { … }

uint32_t ExperimentalFlamegraph::EstimateRowCount() { … }

}  // namespace perfetto::trace_processor
chromium/third_party/perfetto/src/trace_processor/perfetto_sql/intrinsics/table_functions/experimental_flamegraph.cc
