Jonathan R. Madsen
127 строки
4.6 KiB
C++
127 строки
4.6 KiB
C++
// Copyright (c) 2018 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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// with the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell 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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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimers.
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//
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimers in the
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// documentation and/or other materials provided with the distribution.
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//
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// * Neither the names of Advanced Micro Devices, Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this Software without specific prior written permission.
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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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// CONTRIBUTORS 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 WITH
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// THE SOFTWARE.
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#pragma once
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#include "library/config.hpp"
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#include <array>
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#include <cstdint>
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#include <cstdlib>
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#include <memory>
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#include <type_traits>
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#if !defined(OMNITRACE_MAX_THREADS)
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# define OMNITRACE_MAX_THREADS 1024
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#endif
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static constexpr size_t max_supported_threads = OMNITRACE_MAX_THREADS;
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template <typename Tp, typename Tag = void, size_t MaxThreads = max_supported_threads>
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struct omnitrace_thread_data
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{
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using instance_array_t = std::array<std::unique_ptr<Tp>, MaxThreads>;
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using construct_on_init = std::true_type;
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template <typename... Args>
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static void construct(Args&&...);
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static std::unique_ptr<Tp>& instance();
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static instance_array_t& instances();
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template <typename... Args>
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static std::unique_ptr<Tp>& instance(construct_on_init, Args&&...);
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template <typename... Args>
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static instance_array_t& instances(construct_on_init, Args&&...);
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};
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template <typename Tp, typename Tag, size_t MaxThreads>
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template <typename... Args>
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void
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omnitrace_thread_data<Tp, Tag, MaxThreads>::construct(Args&&... _args)
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{
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static thread_local bool _v = [&_args...]() {
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instances().at(threading::get_id()) =
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std::make_unique<Tp>(std::forward<Args>(_args)...);
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return true;
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}();
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(void) _v;
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}
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template <typename Tp, typename Tag, size_t MaxThreads>
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std::unique_ptr<Tp>&
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omnitrace_thread_data<Tp, Tag, MaxThreads>::instance()
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{
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return instances().at(threading::get_id());
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}
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template <typename Tp, typename Tag, size_t MaxThreads>
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typename omnitrace_thread_data<Tp, Tag, MaxThreads>::instance_array_t&
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omnitrace_thread_data<Tp, Tag, MaxThreads>::instances()
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{
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static auto _v = instance_array_t{};
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return _v;
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}
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template <typename Tp, typename Tag, size_t MaxThreads>
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template <typename... Args>
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std::unique_ptr<Tp>&
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omnitrace_thread_data<Tp, Tag, MaxThreads>::instance(construct_on_init, Args&&... _args)
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{
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construct(std::forward<Args>(_args)...);
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return instances().at(threading::get_id());
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}
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template <typename Tp, typename Tag, size_t MaxThreads>
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template <typename... Args>
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typename omnitrace_thread_data<Tp, Tag, MaxThreads>::instance_array_t&
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omnitrace_thread_data<Tp, Tag, MaxThreads>::instances(construct_on_init, Args&&... _args)
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{
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static auto _v = [&]() {
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auto _internal = instance_array_t{};
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for(size_t i = 0; i < MaxThreads; ++i)
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_internal.at(i) = std::make_unique<Tp>(std::forward<Args>(_args)...);
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return _internal;
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}();
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return _v;
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}
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//--------------------------------------------------------------------------------------//
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// there are currently some strange things that happen with
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// vector<instrumentation_bundle_t> so using vector<instrumentation_bundle_t*> and
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// timemory's ring_buffer_allocator to create contiguous memory-page aligned instances of
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// the bundle
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struct instrumentation_bundles
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{
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using instance_array_t = std::array<instrumentation_bundles, max_supported_threads>;
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bundle_allocator_t allocator{};
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std::vector<instrumentation_bundle_t*> bundles{};
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static instance_array_t& instances();
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};
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