UINT64 dcache_hit_count; 
UINT64 dcache_miss_count_thread; 
UINT64 dcache_hit_count_thread; 



/* you must replace this function in your source code */
void print_stats() {
   std::ofstream out(KNOB_OUTPUT_FILE.Value().c_str());
 /* Do not modify this function. This messages will be used for grading */  
 out << "Total instruction: " << retired_instruction << endl; 
 out << "Total cycles: " << cycle_count << endl;  
 float ipc = (cycle_count ? ((float)retired_instruction/(float)cycle_count): 0 );
 out << "IPC: " << ipc << endl;
 out << "Total D-cache miss: " << dcache_miss_count << endl;  
 out << "Total data hazard: " << data_hazard_count << endl;
 out << "Total BR_mispred: " << bp_miss << endl; 
 out << "Total BR_corrpred: " << bp_corr_predict << endl; 
 out << "Total control hazard : " << control_hazard_count << endl;   

out.close();
}