SWDEV-527202: Moving ATT to experimental (#335)
* Moving ATT to experimental * Formatting + rebase * Addressing review comments * Formatting * Update source/lib/att-tool/waitcnt/analysis.cpp --------- Co-authored-by: Giovanni Baraldi <gbaraldi@amd.com> Co-authored-by: Madsen, Jonathan <Jonathan.Madsen@amd.com>
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Baraldi, Giovanni
GitHub
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// MIT License
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//
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// Copyright (c) 2024-2025 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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#include "lib/att-tool/waitcnt/analysis.hpp"
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#include <map>
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#include <mutex>
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#define CLASS_BITS (0xF)
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namespace rocprofiler
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{
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namespace att_wrapper
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{
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enum MemoryInstType
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{
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TYPE_UNCLASSIFIED = 0,
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TYPE_NOT_MEM,
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TYPE_SCALAR,
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TYPE_LDS_MSG,
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TYPE_MSG_RTN,
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TYPE_GLOBAL_LOAD,
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TYPE_GLOBAL_STOR,
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TYPE_FLAT_LOAD,
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TYPE_FLAT_STOR,
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TYPE_WAITCNT
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};
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union MemoryInst
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{
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MemoryInst() = default;
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MemoryInst(int type)
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: raw(type){};
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struct
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{
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int inst : 8; // One of MemoryInstType
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int lgkm : 1;
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int vmcn : 1;
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int vscn : 1;
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};
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int raw = 0;
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};
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static_assert(sizeof(MemoryInst) == sizeof(int));
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namespace
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{
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MemoryInst
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classify(const std::string& inst)
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{
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constexpr size_t npos = std::string::npos;
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if(inst.find("s_wait") == 0)
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{
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if(inst.find("s_wait_alu") != npos) return MemoryInstType::TYPE_NOT_MEM;
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MemoryInst type = MemoryInstType::TYPE_WAITCNT;
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if(inst.find("lgkm") != npos) type.lgkm = true;
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if(inst.find("vscnt") != npos) type.vscn = true;
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if(inst.find("vmcnt") != npos) type.vmcn = true;
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return type;
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}
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if(inst.find("v_") == 0) return MemoryInstType::TYPE_NOT_MEM;
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if(inst.find("s_") == 0)
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{
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if(inst.find("s_load") == 0 || inst.find("s_store") == 0)
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return MemoryInstType::TYPE_SCALAR;
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if(inst.find("s_sendmsg") == 0)
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{
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if(inst.find("s_sendmsg_rtn") == 0)
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return MemoryInstType::TYPE_MSG_RTN;
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else
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return MemoryInstType::TYPE_LDS_MSG;
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}
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return MemoryInstType::TYPE_NOT_MEM;
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}
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bool bStore = inst.find("store") != npos;
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if(inst.find("global_") == 0 || inst.find("buffer_") <= 1 || inst.find("scratch_") == 0)
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return bStore ? MemoryInstType::TYPE_GLOBAL_STOR : MemoryInstType::TYPE_GLOBAL_LOAD;
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else if(inst.find("flat_") == 0)
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return bStore ? MemoryInstType::TYPE_FLAT_STOR : MemoryInstType::TYPE_FLAT_LOAD;
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else if(inst.find("ds_") == 0)
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return MemoryInstType::TYPE_LDS_MSG;
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else
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return MemoryInstType::TYPE_NOT_MEM;
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}
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} // namespace
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std::vector<LineWaitcnt>
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WaitcntList::gfx10_construct(const wave_t& wave, isa_map_t& isa_map)
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{
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std::vector<LineWaitcnt> mem_unroll;
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MemoryCounter lgkm("lgkmcnt");
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MemoryCounter vmcnt("vmcnt");
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MemoryCounter vscnt("vscnt");
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std::vector<int> flat_load{};
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std::vector<int> flat_stor{};
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for(size_t i = 0; i < wave.instructions_size; i++)
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{
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auto& event = wave.instructions_array[i];
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auto it = isa_map.find(event.pc);
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if(it == isa_map.end() || !it->second->code_line || it->second->code_line->inst.empty())
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{
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static thread_local std::once_flag failed_flag{};
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std::call_once(failed_flag, []() { ROCP_WARNING << "Analysis failed!"; });
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break;
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}
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MemoryInst type = it->second->type;
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const std::string& inst_str = it->second->code_line->inst;
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if(type.inst == MemoryInstType::TYPE_UNCLASSIFIED)
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{
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type = classify(inst_str);
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it->second->type = type.raw;
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}
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int line_number = it->second->line_number;
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if(type.inst == MemoryInstType::TYPE_NOT_MEM) continue;
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if(type.inst == MemoryInstType::TYPE_LDS_MSG)
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{
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lgkm.list.push_back(line_number);
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}
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else if(type.inst == MemoryInstType::TYPE_MSG_RTN)
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{
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lgkm.list.push_back(line_number); // Increments by 2
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lgkm.list.push_back(line_number);
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}
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else if(type.inst == MemoryInstType::TYPE_SCALAR)
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{
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lgkm.order = MemoryCounter::Ordering::MEMORY_PARALLEL;
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lgkm.list.push_back(line_number);
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}
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else if(type.inst == MemoryInstType::TYPE_GLOBAL_LOAD)
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{
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vmcnt.list.push_back(line_number);
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}
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else if(type.inst == MemoryInstType::TYPE_GLOBAL_STOR)
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{
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vscnt.list.push_back(line_number);
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}
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else if(type.inst == MemoryInstType::TYPE_FLAT_LOAD)
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{
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lgkm.order = MemoryCounter::Ordering::MEMORY_PARALLEL;
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vmcnt.order = MemoryCounter::Ordering::MEMORY_PARALLEL;
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flat_load.push_back(line_number);
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}
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else if(type.inst == MemoryInstType::TYPE_FLAT_STOR)
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{
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lgkm.order = MemoryCounter::Ordering::MEMORY_PARALLEL;
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vscnt.order = MemoryCounter::Ordering::MEMORY_PARALLEL;
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flat_stor.push_back(line_number);
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}
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else if(type.inst == MemoryInstType::TYPE_WAITCNT)
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{
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if(type.vscn)
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{
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if(auto joined = vscnt.handle_mem_op(inst_str, flat_stor))
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mem_unroll.emplace_back(LineWaitcnt{line_number, std::move(*joined)});
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}
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if(type.vmcn)
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{
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if(auto joined = vmcnt.handle_mem_op(inst_str, flat_load))
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mem_unroll.emplace_back(LineWaitcnt{line_number, std::move(*joined)});
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}
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if(type.lgkm)
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{
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if(auto joined = lgkm.handle_mem_op(inst_str, flat_load))
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{
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if(!flat_stor.empty())
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{
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if(auto stor = lgkm.handle_mem_op(inst_str, flat_stor))
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joined->insert(joined->end(), stor->begin(), stor->end());
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}
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mem_unroll.emplace_back(LineWaitcnt{line_number, std::move(*joined)});
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}
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}
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}
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}
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return mem_unroll;
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}
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} // namespace att_wrapper
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} // namespace rocprofiler
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