wehub-resource-sync
103 lines
2.7 KiB
C++
103 lines
2.7 KiB
C++
// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <atomic>
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#include <bitset>
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#include <cstdint>
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#include <functional>
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#include <list>
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#include <memory>
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#include "paddle/common/macros.h"
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#include "paddle/fluid/platform/profiler/event_node.h"
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#include "paddle/fluid/platform/profiler/event_python.h"
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#include "paddle/fluid/platform/profiler/tracer_base.h"
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#include "paddle/phi/core/platform/profiler/cpu_utilization.h"
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COMMON_DECLARE_int64(host_trace_level);
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namespace paddle {
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namespace platform {
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static constexpr uint32_t kProfileCPUOptionBit = 0;
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static constexpr uint32_t kProfileGPUOptionBit = 1;
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static constexpr uint32_t kProfileXPUOptionBit = 2;
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static constexpr uint32_t kProfileCustomDeviceOptionBit = 3;
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void SynchronizeDevice();
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struct ProfilerOptions {
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uint32_t trace_switch = 0; // bit 0: cpu, bit 1: gpu, bit 2: xpu
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uint32_t trace_level = FLAGS_host_trace_level;
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};
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class PADDLE_API Profiler {
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public:
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static uint32_t
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span_index; // index of profiler range, when user profiles multiple
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// ranges such as [2,4], [6,8], the first range is index 0.
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static const char* version; // profiler version.
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static std::unique_ptr<Profiler> Create(
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const ProfilerOptions& options,
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const std::vector<std::string>& custom_device_types = {});
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static bool IsCuptiSupported();
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static bool IsCnpapiSupported();
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static bool IsXPTISupported();
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void Prepare();
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void Start();
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std::unique_ptr<ProfilerResult> Stop();
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~Profiler();
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private:
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class TracerHolder {
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public:
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TracerHolder(TracerBase* tracer, bool owned)
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: tracer(tracer), owned(owned) {}
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~TracerHolder() {
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if (owned) {
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delete tracer;
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}
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}
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TracerBase& Get() { return *tracer; }
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private:
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TracerBase* tracer;
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bool owned;
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};
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explicit Profiler(const ProfilerOptions& options,
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const std::vector<std::string>& custom_device_types = {});
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DISABLE_COPY_AND_ASSIGN(Profiler);
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static std::atomic<bool> alive_;
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ProfilerOptions options_;
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uint64_t start_ns_ = UINT64_MAX;
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std::list<TracerHolder> tracers_;
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CpuUtilization cpu_utilization_;
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};
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} // namespace platform
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} // namespace paddle
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