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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
commit | e6918187568dbd01842d8d1d2c808ce16a894239 (patch) | |
tree | 64f88b554b444a49f656b6c656111a145cbbaa28 /src/rocksdb/memory/memory_allocator.cc | |
parent | Initial commit. (diff) | |
download | ceph-e6918187568dbd01842d8d1d2c808ce16a894239.tar.xz ceph-e6918187568dbd01842d8d1d2c808ce16a894239.zip |
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/rocksdb/memory/memory_allocator.cc')
-rw-r--r-- | src/rocksdb/memory/memory_allocator.cc | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/rocksdb/memory/memory_allocator.cc b/src/rocksdb/memory/memory_allocator.cc new file mode 100644 index 000000000..34dce9bb6 --- /dev/null +++ b/src/rocksdb/memory/memory_allocator.cc @@ -0,0 +1,91 @@ +// Copyright (c) 2011-present, Facebook, Inc. All rights reserved. +// This source code is licensed under both the GPLv2 (found in the +// COPYING file in the root directory) and Apache 2.0 License +// (found in the LICENSE.Apache file in the root directory). + +#include "rocksdb/memory_allocator.h" + +#include "memory/jemalloc_nodump_allocator.h" +#include "memory/memkind_kmem_allocator.h" +#include "rocksdb/utilities/customizable_util.h" +#include "rocksdb/utilities/object_registry.h" +#include "rocksdb/utilities/options_type.h" +#include "utilities/memory_allocators.h" + +namespace ROCKSDB_NAMESPACE { +namespace { +static std::unordered_map<std::string, OptionTypeInfo> ma_wrapper_type_info = { +#ifndef ROCKSDB_LITE + {"target", OptionTypeInfo::AsCustomSharedPtr<MemoryAllocator>( + 0, OptionVerificationType::kByName, OptionTypeFlags::kNone)}, +#endif // ROCKSDB_LITE +}; + +#ifndef ROCKSDB_LITE +static int RegisterBuiltinAllocators(ObjectLibrary& library, + const std::string& /*arg*/) { + library.AddFactory<MemoryAllocator>( + DefaultMemoryAllocator::kClassName(), + [](const std::string& /*uri*/, std::unique_ptr<MemoryAllocator>* guard, + std::string* /*errmsg*/) { + guard->reset(new DefaultMemoryAllocator()); + return guard->get(); + }); + library.AddFactory<MemoryAllocator>( + CountedMemoryAllocator::kClassName(), + [](const std::string& /*uri*/, std::unique_ptr<MemoryAllocator>* guard, + std::string* /*errmsg*/) { + guard->reset(new CountedMemoryAllocator( + std::make_shared<DefaultMemoryAllocator>())); + return guard->get(); + }); + library.AddFactory<MemoryAllocator>( + JemallocNodumpAllocator::kClassName(), + [](const std::string& /*uri*/, std::unique_ptr<MemoryAllocator>* guard, + std::string* errmsg) { + if (JemallocNodumpAllocator::IsSupported(errmsg)) { + JemallocAllocatorOptions options; + guard->reset(new JemallocNodumpAllocator(options)); + } + return guard->get(); + }); + library.AddFactory<MemoryAllocator>( + MemkindKmemAllocator::kClassName(), + [](const std::string& /*uri*/, std::unique_ptr<MemoryAllocator>* guard, + std::string* errmsg) { + if (MemkindKmemAllocator::IsSupported(errmsg)) { + guard->reset(new MemkindKmemAllocator()); + } + return guard->get(); + }); + size_t num_types; + return static_cast<int>(library.GetFactoryCount(&num_types)); +} +#endif // ROCKSDB_LITE +} // namespace + +MemoryAllocatorWrapper::MemoryAllocatorWrapper( + const std::shared_ptr<MemoryAllocator>& t) + : target_(t) { + RegisterOptions("", &target_, &ma_wrapper_type_info); +} + +Status MemoryAllocator::CreateFromString( + const ConfigOptions& options, const std::string& value, + std::shared_ptr<MemoryAllocator>* result) { +#ifndef ROCKSDB_LITE + static std::once_flag once; + std::call_once(once, [&]() { + RegisterBuiltinAllocators(*(ObjectLibrary::Default().get()), ""); + }); +#else + if (value == DefaultMemoryAllocator::kClassName()) { + result->reset(new DefaultMemoryAllocator()); + return Status::OK(); + } +#endif // ROCKSDB_LITE + ConfigOptions copy = options; + copy.invoke_prepare_options = true; + return LoadManagedObject<MemoryAllocator>(copy, value, result); +} +} // namespace ROCKSDB_NAMESPACE |