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#include "ExecStats.h"
#include <iostream>
#include <iomanip>
#include <cassert>
#include "Utils.h"
namespace dev
{
namespace eth
{
namespace jit
{
void ExecStats::stateChanged(ExecState _state)
{
if (!CHECK(m_state != ExecState::Finished))
return;
auto now = clock::now();
if (_state != ExecState::Started)
{
assert(time[(int)m_state] == ExecStats::duration::zero());
time[(int)m_state] = now - m_tp;
}
m_state = _state;
m_tp = now;
}
namespace
{
struct StatsAgg
{
using unit = std::chrono::microseconds;
ExecStats::duration tot = ExecStats::duration::zero();
ExecStats::duration min = ExecStats::duration::max();
ExecStats::duration max = ExecStats::duration::zero();
size_t count = 0;
void update(ExecStats::duration _d)
{
++count;
tot += _d;
min = _d < min ? _d : min;
max = _d > max ? _d : max;
}
void output(char const* _name, std::ostream& _os)
{
auto avg = tot / count;
_os << std::setfill(' ')
<< std::setw(12) << std::left << _name
<< std::setw(10) << std::right << std::chrono::duration_cast<unit>(tot).count()
<< std::setw(10) << std::right << std::chrono::duration_cast<unit>(avg).count()
<< std::setw(10) << std::right << std::chrono::duration_cast<unit>(min).count()
<< std::setw(10) << std::right << std::chrono::duration_cast<unit>(max).count()
<< std::endl;
}
};
char const* getExecStateName(ExecState _state)
{
switch (_state)
{
case ExecState::Started: return "Start";
case ExecState::CacheLoad: return "CacheLoad";
case ExecState::CacheWrite: return "CacheWrite";
case ExecState::Compilation: return "Compilation";
case ExecState::Optimization: return "Optimization";
case ExecState::CodeGen: return "CodeGen";
case ExecState::Execution: return "Execution";
case ExecState::Return: return "Return";
case ExecState::Finished: return "Finish";
}
return nullptr;
}
}
StatsCollector::~StatsCollector()
{
if (stats.empty())
return;
std::cout << " [us] total avg min max\n";
for (int i = 0; i < (int)ExecState::Finished; ++i)
{
StatsAgg agg;
for (auto&& s : stats)
agg.update(s->time[i]);
agg.output(getExecStateName(ExecState(i)), std::cout);
}
}
}
}
}