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Unified Diff: base/trace_event/memory_allocator_dump.h

Issue 1647803004: Move base to DEPS (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
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Index: base/trace_event/memory_allocator_dump.h
diff --git a/base/trace_event/memory_allocator_dump.h b/base/trace_event/memory_allocator_dump.h
deleted file mode 100644
index 2ded1733c3f97466b7737ea570150988fc16d854..0000000000000000000000000000000000000000
--- a/base/trace_event/memory_allocator_dump.h
+++ /dev/null
@@ -1,95 +0,0 @@
-// Copyright 2015 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 BASE_TRACE_EVENT_MEMORY_ALLOCATOR_DUMP_H_
-#define BASE_TRACE_EVENT_MEMORY_ALLOCATOR_DUMP_H_
-
-#include <string>
-
-#include "base/base_export.h"
-#include "base/basictypes.h"
-#include "base/logging.h"
-#include "base/memory/ref_counted.h"
-#include "base/trace_event/memory_allocator_dump_guid.h"
-#include "base/values.h"
-
-namespace base {
-namespace trace_event {
-
-class MemoryDumpManager;
-class ProcessMemoryDump;
-class TracedValue;
-
-// Data model for user-land memory allocator dumps.
-class BASE_EXPORT MemoryAllocatorDump {
- public:
- // MemoryAllocatorDump is owned by ProcessMemoryDump.
- MemoryAllocatorDump(const std::string& absolute_name,
- ProcessMemoryDump* process_memory_dump,
- const MemoryAllocatorDumpGuid& guid);
- MemoryAllocatorDump(const std::string& absolute_name,
- ProcessMemoryDump* process_memory_dump);
- ~MemoryAllocatorDump();
-
- // Standard attribute |name|s for the AddScalar and AddString() methods.
- static const char kNameSize[]; // To represent allocated space.
- static const char kNameObjectsCount[]; // To represent number of objects.
-
- // Standard attribute |unit|s for the AddScalar and AddString() methods.
- static const char kUnitsBytes[]; // Unit name to represent bytes.
- static const char kUnitsObjects[]; // Unit name to represent #objects.
-
- // Constants used only internally and by tests.
- static const char kTypeScalar[]; // Type name for scalar attributes.
- static const char kTypeString[]; // Type name for string attributes.
-
- // Setters for scalar attributes. Some examples:
- // - "size" column (all dumps are expected to have at least this one):
- // AddScalar(kNameSize, kUnitsBytes, 1234);
- // - Some extra-column reporting internal details of the subsystem:
- // AddScalar("number_of_freelist_entires", kUnitsObjects, 42)
- // - Other informational column (will not be auto-added in the UI)
- // AddScalarF("kittens_ratio", "ratio", 42.0f)
- void AddScalar(const char* name, const char* units, uint64 value);
- void AddScalarF(const char* name, const char* units, double value);
- void AddString(const char* name, const char* units, const std::string& value);
-
- // Absolute name, unique within the scope of an entire ProcessMemoryDump.
- const std::string& absolute_name() const { return absolute_name_; }
-
- // Called at trace generation time to populate the TracedValue.
- void AsValueInto(TracedValue* value) const;
-
- // Get the ProcessMemoryDump instance that owns this.
- ProcessMemoryDump* process_memory_dump() const {
- return process_memory_dump_;
- }
-
- // |guid| is an optional global dump identifier, unique across all processes
- // within the scope of a global dump. It is only required when using the
- // graph APIs (see TODO_method_name) to express retention / suballocation or
- // cross process sharing. See crbug.com/492102 for design docs.
- // Subsequent MemoryAllocatorDump(s) with the same |absolute_name| are
- // expected to have the same guid.
- const MemoryAllocatorDumpGuid& guid() const { return guid_; }
-
- TracedValue* attributes_for_testing() const { return attributes_.get(); }
-
- private:
- const std::string absolute_name_;
- ProcessMemoryDump* const process_memory_dump_; // Not owned (PMD owns this).
- scoped_refptr<TracedValue> attributes_;
- MemoryAllocatorDumpGuid guid_;
-
- // A local buffer for Sprintf conversion on fastpath. Avoids allocating
- // temporary strings on each AddScalar() call.
- std::string string_conversion_buffer_;
-
- DISALLOW_COPY_AND_ASSIGN(MemoryAllocatorDump);
-};
-
-} // namespace trace_event
-} // namespace base
-
-#endif // BASE_TRACE_EVENT_MEMORY_ALLOCATOR_DUMP_H_
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