David Yat Sin
0bc244e10a
Create new interface group for PC Sampling Change-Id: I59b4cfe9f8d1ae313dc28be1d2ed49f750d8212b
100 خطوط
3.2 KiB
C++
100 خطوط
3.2 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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//
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// The University of Illinois/NCSA
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// Open Source License (NCSA)
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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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// Developed by:
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//
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// AMD Research and AMD HSA Software Development
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//
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// Advanced Micro Devices, Inc.
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//
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// www.amd.com
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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
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// deal with the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is 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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// - Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimers in
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// the documentation and/or other materials provided with the distribution.
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// - Neither the names of Advanced Micro Devices, Inc,
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// nor the names of its contributors may be used to endorse or promote
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// products derived from this Software without specific prior written
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// 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
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// THE CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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// OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS WITH THE SOFTWARE.
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//
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////////////////////////////////////////////////////////////////////////////////
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#include "pcs_runtime.h"
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#include <assert.h>
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#include <mutex>
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#include "core/inc/runtime.h"
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#include "core/inc/amd_gpu_agent.h"
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namespace rocr {
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namespace pcs {
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std::atomic<PcsRuntime*> PcsRuntime::instance_(NULL);
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std::mutex PcsRuntime::instance_mutex_;
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PcsRuntime* PcsRuntime::instance() {
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PcsRuntime* instance = instance_.load(std::memory_order_acquire);
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if (instance == NULL) {
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// Protect the initialization from multi threaded access.
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std::lock_guard<std::mutex> lock(instance_mutex_);
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// Make sure we are not initializing it twice.
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instance = instance_.load(std::memory_order_relaxed);
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if (instance != NULL) {
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return instance;
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}
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instance = CreateSingleton();
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if (instance == NULL) {
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return NULL;
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}
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}
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return instance;
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}
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PcsRuntime* PcsRuntime::CreateSingleton() {
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PcsRuntime* instance = new PcsRuntime();
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instance_.store(instance, std::memory_order_release);
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return instance;
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}
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void PcsRuntime::DestroySingleton() {
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PcsRuntime* instance = instance_.load(std::memory_order_acquire);
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if (instance == NULL) {
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return;
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}
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instance_.store(NULL, std::memory_order_release);
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delete instance;
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}
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void ReleasePcSamplingRsrcs() { PcsRuntime::DestroySingleton(); }
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} // namespace pcs
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} // namespace rocr
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