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Yoinked newer GC.

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This commit is contained in:
Samuel Hammersberg 2023-05-01 16:01:39 +02:00
parent 3377879dd0
commit 0452a30409
15 changed files with 713 additions and 189 deletions
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211
src/GC/lib/profiler.cpp
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@ -15,6 +15,38 @@
namespace GC
{
Profiler& Profiler::the()
{
static Profiler instance;
return instance;
}
RecordOption Profiler::log_options()
{
Profiler &prof = Profiler::the();
return prof.flags;
}
void Profiler::set_log_options(RecordOption flags)
{
Profiler &prof = Profiler::the();
prof.flags = flags;
}
void Profiler::record_data(GCEvent *event)
{
Profiler &prof = Profiler::the();
prof.m_events.push_back(event);
if (prof.m_last_prof_event->m_type == event->get_type())
prof.m_last_prof_event->m_n++;
else
{
prof.m_prof_events.push_back(prof.m_last_prof_event);
prof.m_last_prof_event = new ProfilerEvent(event->get_type());
}
}
/**
* Records an event independent of a chunk.
*
@ -22,9 +54,12 @@ namespace GC
*/
void Profiler::record(GCEventType type)
{
auto event = new GCEvent(type);
auto profiler = Profiler::the();
profiler->m_events.push_back(event);
Profiler &prof = Profiler::the();
if (prof.flags & type)
Profiler::record_data(new GCEvent(type));
// auto event = new GCEvent(type);
// auto profiler = Profiler::the();
// profiler.m_events.push_back(event);
}
/**
@ -37,9 +72,21 @@ namespace GC
*/
void Profiler::record(GCEventType type, size_t size)
{
auto event = new GCEvent(type, size);
auto profiler = Profiler::the();
profiler->m_events.push_back(event);
Profiler &prof = Profiler::the();
if (prof.flags & type)
Profiler::record_data(new GCEvent(type, size));
// auto event = new GCEvent(type, size);
// auto profiler = Profiler::the();
// profiler.m_events.push_back(event);
}
void Profiler::dump_trace()
{
Profiler &prof = Profiler::the();
if (prof.flags & FunctionCalls)
dump_prof_trace();
else
dump_chunk_trace();
}
/**
@ -56,60 +103,114 @@ namespace GC
// because in free() chunks are deleted and cannot
// be referenced by the profiler. These copied
// chunks are deleted by the profiler on dispose().
auto chunk_copy = new Chunk(chunk);
auto event = new GCEvent(type, chunk_copy);
auto profiler = Profiler::the();
profiler->m_events.push_back(event);
Profiler &prof = Profiler::the();
if (prof.flags & type)
{
auto chunk_copy = new Chunk(chunk);
auto event = new GCEvent(type, chunk_copy);
Profiler::record_data(event);
}
// auto profiler = Profiler::the();
// profiler.m_events.push_back(event);
}
void Profiler::record(GCEventType type, std::chrono::microseconds time)
{
Profiler &prof = Profiler::the();
if (type == AllocStart)
{
prof.alloc_time += time;
}
else if (type == CollectStart)
{
prof.collect_time += time;
}
}
void Profiler::dump_prof_trace()
{
Profiler &prof = Profiler::the();
prof.m_prof_events.push_back(prof.m_last_prof_event);
auto start = prof.m_prof_events.begin();
auto end = prof.m_prof_events.end();
int allocs = 0, collects = 0;
char buffer[22];
std::ofstream fstr = prof.create_file_stream();
while (start != end)
{
auto event = *start++;
if (event->m_type == AllocStart)
allocs += event->m_n;
else if (event->m_type == CollectStart)
collects += event->m_n;
fstr << "\n--------------------------------\n"
<< Profiler::type_to_string(event->m_type) << " "
<< event->m_n << " times:";
}
fstr << "\n--------------------------------";
fstr << "\n\nTime spent on allocations:\t" << prof.alloc_time.count() << " microseconds"
<< "\nAllocation cycles:\t" << allocs
<< "\nTime spent on collections:\t" << prof.collect_time.count() << " microseconds"
<< "\nCollection cycles:\t" << collects
<< "\n--------------------------------";
}
/**
* Prints the history of the recorded events
* to a log file in the /tests/logs folder.
*/
void Profiler::dump_trace()
void Profiler::dump_chunk_trace()
{
auto profiler = Profiler::the();
auto start = profiler->m_events.begin();
auto end = profiler->m_events.end();
Profiler &prof = Profiler::the();
auto start = prof.m_events.begin();
auto end = prof.m_events.end();
// File output stream
std::ofstream fstr = profiler->create_file_stream();
// Buffer for timestamp
char buffer[22];
// Time variables
std::tm *btm;
std::time_t tt;
const Chunk *chunk;
while (start != end)
{
auto event = *start++;
auto e_type = event->get_type();
tt = event->get_time_stamp();
btm = std::localtime(&tt);
std::strftime(buffer, 22, "%a %T", btm);
fstr << "--------------------------------\n"
<< buffer
<< "\nEvent:\t" << event->type_to_string();
chunk = event->get_chunk();
if (event->get_type() == AllocStart)
{
fstr << "\nSize: " << event->get_size();
}
else if (chunk)
{
fstr << "\nChunk: " << chunk->m_start
<< "\n Size: " << chunk->m_size
<< "\n Mark: " << chunk->m_marked;
}
fstr << "\n";
prof.print_chunk_event(event, buffer);
}
fstr << "--------------------------------" << std::endl;
}
void Profiler::print_chunk_event(GCEvent *event, char buffer[22])
{
Profiler &prof = Profiler::the();
// File output stream
std::ofstream fstr = prof.create_file_stream();
std::time_t tt = event->get_time_stamp();
std::tm *btm = std::localtime(&tt);
std::strftime(buffer, 22, "%a %T", btm);
fstr << "--------------------------------\n"
<< buffer
<< "\nEvent:\t" << Profiler::type_to_string(event->get_type());
// event->type_to_string();
const Chunk *chunk = event->get_chunk();
if (event->get_type() == AllocStart)
{
fstr << "\nSize: " << event->get_size();
}
else if (chunk)
{
fstr << "\nChunk: " << chunk->m_start
<< "\n Size: " << chunk->m_size
<< "\n Mark: " << chunk->m_marked;
}
fstr << "\n";
}
/**
@ -122,8 +223,6 @@ namespace GC
{
Profiler::record(ProfilerDispose);
Profiler::dump_trace();
auto profiler = Profiler::the();
delete profiler;
}
/**
@ -189,4 +288,24 @@ namespace GC
#endif
return folder + "/logs";
}
const char *Profiler::type_to_string(GCEventType type)
{
switch (type)
{
case HeapInit: return "HeapInit";
case AllocStart: return "AllocStart";
case CollectStart: return "CollectStart";
case MarkStart: return "MarkStart";
case ChunkMarked: return "ChunkMarked";
case ChunkSwept: return "ChunkSwept";
case ChunkFreed: return "ChunkFreed";
case NewChunk: return "NewChunk";
case ReusedChunk: return "ReusedChunk";
case ProfilerDispose: return "ProfilerDispose";
case SweepStart: return "SweepStart";
case FreeStart: return "FreeStart";
default: return "[Unknown]";
}
}
}