std::shared_ptr<StorageStats> WiredTigerRecoveryUnit::getOperationStatistics() const {
std::shared_ptr<WiredTigerOperationStats> statsPtr(nullptr);
if (!_session)
return statsPtr;
WT_SESSION* s = _session->getSession();
invariant(s);
statsPtr = std::make_shared<WiredTigerOperationStats>();
statsPtr->fetchStats(s, "statistics:session", "statistics=(fast)");
return statsPtr;
}
//=================================================================
void CHTimer::display(CLog *log, TSortCriterion criterion, bool displayInline /*= true*/, bool displayEx)
{
CSimpleClock benchClock;
benchClock.start();
if(!_BenchStartedOnce) // should have done at least one bench
{
benchClock.stop();
_CurrNode->SonsPreambule += benchClock.getNumTicks();
return;
}
log->displayNL("HTIMER: =========================================================================");
log->displayRawNL("HTIMER: Bench cumuled results");
typedef std::map<CHTimer *, TNodeVect> TNodeMap;
TNodeMap nodeMap;
TNodeVect nodeLeft;
nodeLeft.push_back(&_RootNode);
/// 1 ) walk the tree to build the node map (well, in a not very optimal way..)
while (!nodeLeft.empty())
{
CNode *currNode = nodeLeft.back();
nodeMap[currNode->Owner].push_back(currNode);
nodeLeft.pop_back();
nodeLeft.insert(nodeLeft.end(), currNode->Sons.begin(), currNode->Sons.end());
}
// 2 ) build statistics
typedef std::vector<CTimerStat> TTimerStatVect;
typedef std::vector<CTimerStat *> TTimerStatPtrVect;
TTimerStatVect stats(nodeMap.size());
TTimerStatPtrVect statsPtr(stats.size());
//
uint k = 0;
for(TNodeMap::iterator it = nodeMap.begin(); it != nodeMap.end(); ++it)
{
statsPtr[k] = &stats[k];
stats[k].Timer = it->first;
stats[k].buildFromNodes(&(it->second[0]), (uint)it->second.size(), _MsPerTick);
++k;
}
// 3 ) sort statistics
if (criterion != NoSort)
{
CStatSorter sorter(criterion);
std::sort(statsPtr.begin(), statsPtr.end(), sorter);
}
// 4 ) get root total time.
CStats rootStats;
rootStats.buildFromNode( &_RootNode, _MsPerTick);
// 5 ) display statistics
uint maxNodeLength = 0;
std::string format;
if (displayInline)
{
for(TTimerStatPtrVect::iterator statIt = statsPtr.begin(); statIt != statsPtr.end(); ++statIt)
{
maxNodeLength = std::max(maxNodeLength, (uint)strlen((*statIt)->Timer->_Name));
}
format = "HTIMER: %-" + NLMISC::toString(maxNodeLength + 1) + "s %s";
}
std::string statsInline;
log->displayRawNL(format.c_str(), "", " | total | local | visits | loc%/ glb% | sessn max | min | max | mean");
for(TTimerStatPtrVect::iterator statIt = statsPtr.begin(); statIt != statsPtr.end(); ++statIt)
{
if (!displayInline)
{
log->displayRawNL("HTIMER: =================================");
log->displayRawNL("HTIMER: Node %s", (*statIt)->Timer->_Name);
(*statIt)->display(log, displayEx, _WantStandardDeviation);
}
else
{
(*statIt)->getStats(statsInline, displayEx, rootStats.TotalTime, _WantStandardDeviation);
char out[4096];
NLMISC::smprintf(out, 2048, format.c_str(), (*statIt)->Timer->_Name, statsInline.c_str());
log->displayRawNL(out);
}
}
benchClock.stop();
_CurrNode->SonsPreambule += benchClock.getNumTicks();
}