mirror of
https://github.com/facebook/rocksdb.git
synced 2024-12-04 20:02:50 +00:00
be3bc36811
Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/12114 Reviewed By: jowlyzhang Differential Revision: D51745613 Pulled By: ajkr fbshipit-source-id: 27ca4bda275cab057d3a3ec99f0f92cdb9be5177
64 lines
2 KiB
C++
64 lines
2 KiB
C++
// 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).
|
|
//
|
|
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file. See the AUTHORS file for names of contributors.
|
|
|
|
#include <cassert>
|
|
|
|
#include "memory/allocator.h"
|
|
#include "memory/arena.h"
|
|
#include "rocksdb/write_buffer_manager.h"
|
|
|
|
namespace ROCKSDB_NAMESPACE {
|
|
|
|
AllocTracker::AllocTracker(WriteBufferManager* write_buffer_manager)
|
|
: write_buffer_manager_(write_buffer_manager),
|
|
bytes_allocated_(0),
|
|
done_allocating_(false),
|
|
freed_(false) {}
|
|
|
|
AllocTracker::~AllocTracker() { FreeMem(); }
|
|
|
|
void AllocTracker::Allocate(size_t bytes) {
|
|
assert(write_buffer_manager_ != nullptr);
|
|
if (write_buffer_manager_->enabled() ||
|
|
write_buffer_manager_->cost_to_cache()) {
|
|
bytes_allocated_.fetch_add(bytes, std::memory_order_relaxed);
|
|
write_buffer_manager_->ReserveMem(bytes);
|
|
}
|
|
}
|
|
|
|
void AllocTracker::DoneAllocating() {
|
|
if (write_buffer_manager_ != nullptr && !done_allocating_) {
|
|
if (write_buffer_manager_->enabled() ||
|
|
write_buffer_manager_->cost_to_cache()) {
|
|
write_buffer_manager_->ScheduleFreeMem(
|
|
bytes_allocated_.load(std::memory_order_relaxed));
|
|
} else {
|
|
assert(bytes_allocated_.load(std::memory_order_relaxed) == 0);
|
|
}
|
|
done_allocating_ = true;
|
|
}
|
|
}
|
|
|
|
void AllocTracker::FreeMem() {
|
|
if (!done_allocating_) {
|
|
DoneAllocating();
|
|
}
|
|
if (write_buffer_manager_ != nullptr && !freed_) {
|
|
if (write_buffer_manager_->enabled() ||
|
|
write_buffer_manager_->cost_to_cache()) {
|
|
write_buffer_manager_->FreeMem(
|
|
bytes_allocated_.load(std::memory_order_relaxed));
|
|
} else {
|
|
assert(bytes_allocated_.load(std::memory_order_relaxed) == 0);
|
|
}
|
|
freed_ = true;
|
|
}
|
|
}
|
|
} // namespace ROCKSDB_NAMESPACE
|