Rawat, Swati
97b7a6315d
* Update LICENSE * Update conf.py * Update copyright year * [fix] Update copyright year * Update copyright year "ROCm Developer Tools" * Add license headers to c++ files * Add license to *.py * Update licenses in rocdecode sources --------- Co-authored-by: srawat <120587655+SwRaw@users.noreply.github.com> Co-authored-by: Mythreya <mythreya.kuricheti@amd.com> Co-authored-by: Jonathan R. Madsen <jonathanrmadsen@gmail.com>
106 righe
3.7 KiB
C++
106 righe
3.7 KiB
C++
// MIT License
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//
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// Copyright (c) 2023-2025 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 <rocprofiler-sdk/rocprofiler.h>
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#include "lib/common/mpl.hpp"
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#include "lib/rocprofiler-sdk/external_correlation.hpp"
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#include <atomic>
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#include <cstddef>
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#include <cstdint>
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namespace rocprofiler
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{
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namespace context
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{
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struct correlation_id
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{
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// reference count starts at 5:
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// - decrement after begin callback/buffer API
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// - decrement after end callback/buffer API
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// - decrement after kernel dispatch/HW counters
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// - if PC sampling is not enabled, we can "retire" correlation id at ref count at 2
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// - if PC sampling is enabled, we decrement after each HSA buffer flush once ref count hits 2
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// - after the kernel dispatch completes, we know no more PC samples will be generated and
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// thus, after two HSA buffer flushes, we will have received all the PC samples for
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// the
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correlation_id(uint32_t _cnt, rocprofiler_thread_id_t _tid, uint64_t _internal) noexcept
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: thread_idx{_tid}
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, internal{_internal}
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, m_ref_count{_cnt}
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{}
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correlation_id() = default;
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~correlation_id() = default;
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correlation_id(correlation_id&& val) noexcept = delete;
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correlation_id(const correlation_id&) = delete;
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correlation_id& operator=(const correlation_id&) = delete;
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correlation_id& operator=(correlation_id&&) noexcept = delete;
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rocprofiler_thread_id_t thread_idx = 0;
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uint64_t internal = 0;
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uint32_t get_ref_count() const { return m_ref_count.load(); }
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uint32_t add_ref_count();
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uint32_t sub_ref_count();
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uint32_t get_kern_count() const { return m_kern_count.load(); }
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uint32_t add_kern_count();
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uint32_t sub_kern_count();
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private:
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std::atomic<uint32_t> m_kern_count = {0};
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std::atomic<uint32_t> m_ref_count = {0};
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};
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correlation_id*
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get_correlation_id(rocprofiler_thread_id_t tid, uint64_t internal_id);
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// latest correlation id for thread
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correlation_id*
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get_latest_correlation_id();
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const correlation_id*
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pop_latest_correlation_id(correlation_id*);
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// push correlation id
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correlation_id*
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push_correlation_id(correlation_id*);
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// dump the cid stack for debugging
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void
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dump_correlation_stack(const char*);
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/// permits tools opportunity to modify the correlation id based on the domain, op, and
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/// the rocprofiler generated correlation id
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struct correlation_tracing_service
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{
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external_correlation::external_correlation external_correlator = {};
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static correlation_id* construct(uint32_t init_ref_count);
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};
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} // namespace context
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} // namespace rocprofiler
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