123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263 |
- // 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 COMPONENTS_SERVICES_HEAP_PROFILING_JSON_EXPORTER_H_
- #define COMPONENTS_SERVICES_HEAP_PROFILING_JSON_EXPORTER_H_
- #include <map>
- #include <string>
- #include <unordered_map>
- #include <vector>
- #include "components/services/heap_profiling/allocation.h"
- #include "components/services/heap_profiling/public/mojom/heap_profiling_service.mojom.h"
- #include "services/resource_coordinator/public/mojom/memory_instrumentation/memory_instrumentation.mojom.h"
- namespace heap_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.
- AllocationMap 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;
- // Some addresses represent strings rather than instruction pointers.
- // The strings are assumed to already be escaped for JSON.
- std::unordered_map<uint64_t, std::string> mapped_strings;
- // The type of browser [browser, renderer, gpu] that is being heap-dumped.
- mojom::ProcessType process_type = mojom::ProcessType::OTHER;
- // Whether or not the paths should be stripped from mapped files. Doing so
- // anonymizes the trace, since the paths could potentially contain a username.
- // However, it prevents symbolization of locally built instances of Chrome.
- bool strip_path_from_mapped_files = false;
- // The heaps_v2 trace format requires that ids are unique across heap dumps in
- // a single trace. This class is currently stateless, and does not know
- // whether a heap dump will be in a trace with other heap dumps. To work
- // around this, just make all IDs unique. The parameter is an input parameter
- // that tells the exporter which ID to start from. It is also an output
- // parameter, and tells the caller the next unused ID.
- // See https://crbug.com/808066.
- size_t next_id = 1;
- };
- // Creates a JSON string representing a JSON dictionary that contains memory
- // maps and v2 format stack traces.
- std::string ExportMemoryMapsAndV2StackTraceToJSON(ExportParams* params);
- } // namespace heap_profiling
- #endif // COMPONENTS_SERVICES_HEAP_PROFILING_JSON_EXPORTER_H_
|