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authorBryan Galdrikian <[email protected]>2017-02-24 09:32:20 -0800
committerBryan Galdrikian <[email protected]>2017-02-24 09:32:20 -0800
commite1bf674c16e3c8472b29574159c789cd3f0c64e0 (patch)
tree9f0cfce09c71a2c27ff19589fcad6cd83504477c /NvBlast/tools/ArtistTools/source/BlastPlugin/SampleBase/utils/SampleProfiler.cpp
parentfirst commit (diff)
downloadblast-e1bf674c16e3c8472b29574159c789cd3f0c64e0.tar.xz
blast-e1bf674c16e3c8472b29574159c789cd3f0c64e0.zip
Updating to [email protected] and [email protected] with a new directory structure.
NvBlast folder is gone, files have been moved to top level directory. README is changed to reflect this.
Diffstat (limited to 'NvBlast/tools/ArtistTools/source/BlastPlugin/SampleBase/utils/SampleProfiler.cpp')
-rw-r--r--NvBlast/tools/ArtistTools/source/BlastPlugin/SampleBase/utils/SampleProfiler.cpp223
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diff --git a/NvBlast/tools/ArtistTools/source/BlastPlugin/SampleBase/utils/SampleProfiler.cpp b/NvBlast/tools/ArtistTools/source/BlastPlugin/SampleBase/utils/SampleProfiler.cpp
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--- a/NvBlast/tools/ArtistTools/source/BlastPlugin/SampleBase/utils/SampleProfiler.cpp
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@@ -1,223 +0,0 @@
-/*
-* Copyright (c) 2008-2015, NVIDIA CORPORATION. All rights reserved.
-*
-* NVIDIA CORPORATION and its licensors retain all intellectual property
-* and proprietary rights in and to this software, related documentation
-* and any modifications thereto. Any use, reproduction, disclosure or
-* distribution of this software and related documentation without an express
-* license agreement from NVIDIA CORPORATION is strictly prohibited.
-*/
-
-
-#include "SampleProfiler.h"
-#include <map>
-#include <iostream>
-#include <fstream>
-#include <stack>
-
-using namespace std::chrono;
-
-struct ProfileData
-{
- steady_clock::time_point start;
-
- microseconds time;
- microseconds prevTime;
- microseconds maxTime;
- uint32_t calls;
- uint32_t prevCalls;
-
- ProfileData() : time(0), prevTime(0), maxTime(0), calls(0), prevCalls(0)
- {}
-};
-
-struct Node
-{
- ProfileData data;
- std::map<const char*, Node> childs;
- Node* parent;
-};
-
-static std::map<const char*, Node> s_roots;
-static Node* s_currentNode;
-static bool s_beginEndMismatch;
-static microseconds s_overhead;
-static microseconds s_prevOverhead;
-
-void SampleProfilerInit()
-{
- s_roots.clear();
- s_currentNode = nullptr;
- s_beginEndMismatch = false;
- s_overhead = microseconds();
-}
-
-void SampleProfilerBegin(const char* name)
-{
- auto start = steady_clock::now();
- {
- Node* parent = s_currentNode;
- if (s_currentNode == nullptr)
- {
- s_currentNode = &s_roots[name];
- }
- else
- {
- s_currentNode = &s_currentNode->childs[name];
- }
- s_currentNode->parent = parent;
- s_currentNode->data.calls++;
- s_currentNode->data.start = steady_clock::now();
- }
- s_overhead += duration_cast<microseconds>(steady_clock::now() - start);
-}
-
-void SampleProfilerEnd()
-{
- auto start = steady_clock::now();
- {
- if (s_currentNode)
- {
- auto& data = s_currentNode->data;
- data.time += duration_cast<microseconds>(steady_clock::now() - data.start);
- data.maxTime = data.time > data.maxTime ? data.time : data.maxTime;
- s_currentNode = s_currentNode->parent;
- }
- else
- {
- s_beginEndMismatch = true;
- }
- }
- s_overhead += duration_cast<microseconds>(steady_clock::now() - start);
-}
-
-struct SampleProfilerTreeIteratorImpl final : public SampleProfilerTreeIterator
-{
- struct StackNode
- {
- Node* node;
- const char* name;
- };
-
- SampleProfilerTreeIteratorImpl(std::map<const char*, Node>& roots)
- {
- for (auto& root : roots)
- {
- m_stack.emplace(StackNode { &root.second, root.first });
- }
-
- next();
- }
-
- virtual const Data* data() const override
- {
- return m_valid ? &m_data : nullptr;
- }
-
- Node* node()
- {
- return m_node;
- }
-
- virtual bool isDone() const
- {
- return !m_valid;
- }
-
- virtual void next()
- {
- if (!m_stack.empty())
- {
- auto& e = m_stack.top();
- m_stack.pop();
- m_node = e.node;
- m_data.depth = 0;
- m_data.hash = (uint64_t)m_node;
- for (const Node* p = m_node; p != nullptr; p = p->parent)
- {
- m_data.depth++;
- }
- m_data.name = e.name;
- m_data.calls = m_node->data.prevCalls;
- m_data.time = m_node->data.prevTime;
- m_data.maxTime = m_node->data.maxTime;
- m_data.hasChilds = !m_node->childs.empty();
-
- for (auto it = m_node->childs.rbegin(); it != m_node->childs.rend(); ++it)
- {
- m_stack.emplace(StackNode { &(*it).second, (*it).first });
- }
- m_valid = true;
- }
- else
- {
- m_valid = false;
- }
- }
-
- virtual void release()
- {
- delete this;
- }
-
- bool m_valid;
- Data m_data;
- Node* m_node;
- std::stack<StackNode > m_stack;
-};
-
-void SampleProfilerReset()
-{
- for (SampleProfilerTreeIteratorImpl it(s_roots); !it.isDone(); it.next())
- {
- auto& data = it.node()->data;
- data.prevTime = data.time;
- data.prevCalls = data.calls;
- data.time = microseconds();
- data.calls = 0;
- }
- s_currentNode = nullptr;
- s_beginEndMismatch = false;
- s_prevOverhead = s_overhead;
- s_overhead = microseconds();
-}
-
-bool SampleProfilerIsValid()
-{
- return !s_beginEndMismatch;
-}
-
-microseconds SampleProfilerGetOverhead()
-{
- return s_prevOverhead;
-}
-
-SampleProfilerTreeIterator* SampleProfilerCreateTreeIterator()
-{
- return SampleProfilerIsValid() ? new SampleProfilerTreeIteratorImpl(s_roots) : nullptr;
-}
-
-void SampleProfilerDumpToFile(const char* path)
-{
- std::ofstream myfile(path, std::ios_base::out);
- if (myfile.is_open())
- {
- if (s_beginEndMismatch)
- {
- myfile << "Error: Begin/End Mismatch.\n";
- }
- else
- {
- myfile << "[Root]\n";
- for(SampleProfilerTreeIteratorImpl it(s_roots); !it.isDone(); it.next())
- {
- auto data = it.data();
- for (uint32_t i = 0; i < data->depth; ++i)
- myfile << "\t";
- myfile << data->name << " --> calls: " << data->calls << ", total: " << data->time.count() * 0.001 << "ms\n";
- }
- }
-
- myfile.close();
- }
-}