Gopesh Bhardwaj
115 строки
3.6 KiB
C++
115 строки
3.6 KiB
C++
// MIT License
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//
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// Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#pragma once
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#include "helper.hpp"
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#include "tmp_file.hpp"
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#include "lib/common/container/ring_buffer.hpp"
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#include "lib/common/logging.hpp"
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#include "lib/common/units.hpp"
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#include <fmt/format.h>
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#include <deque>
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#include <mutex>
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#include <string>
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#include <tuple>
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#include <utility>
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template <typename Tp>
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using ring_buffer_t = rocprofiler::common::container::ring_buffer<Tp>;
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std::string
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compose_tmp_file_name(domain_type buffer_type);
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template <typename Tp>
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std::tuple<Tp*, tmp_file*>
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get_tmp_file_buffer(domain_type type)
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{
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static Tp* _buffer = new Tp(rocprofiler::common::units::get_page_size());
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static tmp_file* _tmp_file = new tmp_file(compose_tmp_file_name(type));
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return std::tuple(_buffer, _tmp_file);
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}
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template <typename Tp>
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void
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offload_buffer(domain_type type)
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{
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auto [_tmp_buf, _tmp_file] = get_tmp_file_buffer<Tp>(type);
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auto _lk = std::lock_guard<std::mutex>(_tmp_file->file_mutex);
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[[maybe_unused]] static auto _success = _tmp_file->open();
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auto& _fs = _tmp_file->stream;
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_tmp_file->file_pos.emplace(_fs.tellg());
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_tmp_buf->save(_fs);
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_tmp_buf->clear();
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CHECK(_tmp_buf->is_empty() == true);
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}
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template <typename Tp>
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void
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write_ring_buffer(Tp _v, domain_type type)
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{
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auto [_tmp_buf, _tmp_file] = get_tmp_file_buffer<ring_buffer_t<Tp>>(type);
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if(_tmp_buf->capacity() == 0) return;
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auto* ptr = _tmp_buf->request(false);
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if(ptr == nullptr)
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{
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offload_buffer<ring_buffer_t<Tp>>(type);
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ptr = _tmp_buf->request(false);
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CHECK(ptr != nullptr);
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}
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*ptr = std::move(_v);
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}
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template <typename Tp>
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void
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flush_tmp_buffer(domain_type type)
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{
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auto [_tmp_buf, _tmp_file] = get_tmp_file_buffer<Tp>(type);
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if(!_tmp_buf->is_empty()) offload_buffer<Tp>(type);
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}
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template <typename Tp>
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std::deque<Tp>
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read_tmp_file(domain_type type)
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{
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auto _data = std::deque<Tp>{};
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auto [_tmp_buf, _tmp_file] = get_tmp_file_buffer<Tp>(type);
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auto _lk = std::lock_guard<std::mutex>{_tmp_file->file_mutex};
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auto& _fs = _tmp_file->stream;
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if(_fs.is_open()) _fs.close();
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_tmp_file->open(std::ios::binary | std::ios::in);
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for(auto itr : _tmp_file->file_pos)
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{
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_fs.seekg(itr); // set to the absolute position
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if(_fs.eof()) break;
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Tp _buffer;
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_buffer.load(_fs);
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_data.emplace_back(std::move(_buffer));
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}
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return _data;
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}
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