perf top when running complex PostgreSQL 12 query with JIT=on

gistfile1.txt

Samples: 115K of event 'cpu-clock:pppH', 4000 Hz, Event count (approx.): 13896372798 lost: 0/0 drop: 0/0                                                                                                                                      
Overhead  Shared Object          Symbol                                                                                                                                                                                                       
   1.28%  libc-2.30.so           [.] 0x000000000009ad2d                                                                                                                                                                                       
   1.17%  libc-2.30.so           [.] cfree                                                                                                                                                                                                    
   1.08%  libLLVM-7.so.1         [.] llvm::removeUnreachableBlocks                                                                                                                                                                            
   1.08%  libLLVM-7.so.1         [.] llvm::SelectionDAG::Combine                                                                                                                                                                              
   1.06%  libc-2.30.so           [.] malloc                                                                                                                                                                                                   
   1.03%  libLLVM-7.so.1         [.] llvm::Use::getUser                                                                                                                                                                                       
   0.94%  libLLVM-7.so.1         [.] llvm::BasicBlock::getTerminator                                                                                                                                                                          
   0.75%  libc-2.30.so           [.] 0x000000000009ad55                                                                                                                                                                                       
   0.70%  libLLVM-7.so.1         [.] llvm::SelectionDAGISel::SelectCodeCommon                                                                                                                                                                 
   0.66%  libc-2.30.so           [.] 0x0000000000098bb6                                                                                                                                                                                       
   0.64%  libLLVM-7.so.1         [.] llvm::StringMapImpl::FindKey                                                                                                                                                                             
   0.63%  libLLVM-7.so.1         [.] llvm::SmallPtrSetImplBase::insert_imp_big                                                                                                                                                                
   0.62%  libc-2.30.so           [.] 0x000000000009b738                                                                                                                                                                                       
   0.62%  libLLVM-7.so.1         [.] llvm::PMDataManager::initializeAnalysisImpl                                                                                                                                                              
   0.60%  libLLVM-7.so.1         [.] llvm::SimplifyInstruction                                                                                                                                                                                
   0.55%  libLLVM-7.so.1         [.] llvm::GetUnderlyingObject                                                                                                                                                                                
   0.51%  libLLVM-7.so.1         [.] llvm::ValueHandleBase::AddToUseList                                                                                                                                                                      
   0.50%  libLLVM-7.so.1         [.] llvm::ConstantInt::get                                                                                                                                                                                   
   0.44%  libc-2.30.so           [.] 0x0000000000098a99                                                                                                                                                                                       
   0.37%  libc-2.30.so           [.] 0x000000000009acb8                                                                                                                                                                                       
   0.36%  libLLVM-7.so.1         [.] llvm::BasicAAResult::aliasCheck                                                                                                                                                                          
   0.35%  libLLVM-7.so.1         [.] llvm::ScalarEvolution::getRangeRef                                                                                                                                                                       
   0.35%  libLLVM-7.so.1         [.] 0x000000000092834d                                                                                                                                                                                       
   0.33%  libLLVM-7.so.1         [.] llvm::TerminatorInst::getNumSuccessors                                                                                                                                                                   
   0.32%  libLLVM-7.so.1         [.] llvm::DominatorTreeBase<llvm::BasicBlock, false>::dominates                                                                                                                                              
   0.32%  libLLVM-7.so.1         [.] llvm::LiveVariables::addNewBlock                                                                                                                                                                         
   0.32%  libLLVM-7.so.1         [.] llvm::DataLayout::getAlignmentInfo                                                                                                                                                                       
   0.31%  libLLVM-7.so.1         [.] llvm::BranchProbabilityInfo::updatePostDominatedByColdCall                                                                                                                                               
   0.31%  libLLVM-7.so.1         [.] llvm::ConstantFoldInstruction                                                                                                                                                                            
   0.30%  libLLVM-7.so.1         [.] llvm::ScheduleDAGSDNodes::BuildSchedUnits                                                                                                                                                                
   0.30%  libLLVM-7.so.1         [.] llvm::FoldingSetBase::FindNodeOrInsertPos                                                                                                                                                                
   0.29%  libLLVM-7.so.1         [.] llvm::AttributeList::getAttribute                                                                                                                                                                        
   0.29%  libLLVM-7.so.1         [.] llvm::PMDataManager::removeNotPreservedAnalysis                                                                                                                                                          
   0.29%  libLLVM-7.so.1         [.] llvm::TerminatorInst::getSuccessor                                                                                                                                                                       
   0.29%  libLLVM-7.so.1         [.] llvm::CallGraph::addToCallGraph                                                                                                                                                                          
   0.28%  libLLVM-7.so.1         [.] llvm::FoldingSetNodeID::AddPointer                                                                                                                                                                       
   0.28%  libLLVM-7.so.1         [.] llvm::BasicAAResult::DecomposeGEPExpression                                                                                                                                                              
   0.27%  libLLVM-7.so.1         [.] llvm::SmallPtrSetImplBase::Grow                                                                                                                                                                          
   0.27%  libc-2.30.so           [.] 0x0000000000098aad