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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_PROFILING_JSON_EXPORTER_H_
#define CHROME_PROFILING_JSON_EXPORTER_H_
#include <iosfwd>
#include <vector>
#include "base/values.h"
#include "chrome/common/profiling/memlog_stream.h"
#include "chrome/common/profiling/profiling_service.mojom.h"
#include "chrome/profiling/allocation_event.h"
#include "services/resource_coordinator/public/interfaces/memory_instrumentation/memory_instrumentation.mojom.h"
namespace profiling {
// Configuration passed to the export functions because they take many
// arguments. All parameters must be set.
struct ExportParams {
ExportParams();
~ExportParams();
// Allocation events to export.
AllocationCountMap allocs;
// VM map of all regions in the process.
std::vector<memory_instrumentation::mojom::VmRegionPtr> maps;
// Map from context string to context ID. A reverse-mapping will tell you
// what the context_id in the allocation mean.
std::map<std::string, int> context_map;
// The type of browser [browser, renderer, gpu] that is being heap-dumped.
mojom::ProcessType process_type = mojom::ProcessType::OTHER;
// Only allocations exceeding this size or count will be exported.
size_t min_size_threshold = 0;
size_t min_count_threshold = 0;
};
// Creates a JSON-encoded string that is similar in form to traces created by
// TracingControllerImpl. Metadata can be null.
void ExportAllocationEventSetToJSON(
int pid,
const ExportParams& params,
std::unique_ptr<base::DictionaryValue> metadata,
std::ostream& out);
// Creates a JSON string representing a JSON dictionary that contains memory
// maps and v2 format stack traces.
void ExportMemoryMapsAndV2StackTraceToJSON(const ExportParams& params,
std::ostream& out);
} // namespace profiling
#endif // CHROME_PROFILING_JSON_EXPORTER_H_