void check_heartbeat(void){
if(pipeline->stat_num_cycle - last_hbeat_cycle < HEARTBEAT_CYCLES){
return;
}
printf(".");
fflush(stdout);
// check for deadlock
if(last_hbeat_inst == pipeline->stat_retired_inst){
printf("No committed instructions in %u cycles.\n", HEARTBEAT_CYCLES);
die_message("Pipeline is Deadlocked. Dying\n");
}
last_hbeat_cycle=pipeline->stat_num_cycle;
last_hbeat_inst = pipeline->stat_retired_inst;
// print a newline and CPI every so often
if(pipeline->stat_num_cycle - last_hbeat_line >= 50*HEARTBEAT_CYCLES){
printf("\n(Inst:%8u\tCycle:%8u\tCPI:%6.3f)\t", (uint32_t)pipeline->stat_retired_inst,
(uint32_t)pipeline->stat_num_cycle, (double)(pipeline->stat_num_cycle)/(double)(pipeline->stat_retired_inst+1));
last_hbeat_line=pipeline->stat_num_cycle;
}
}
void core_init_trace(Core *c)
{
char command_string[512];
sprintf(command_string,"gunzip -c %s", c->trace_fname);
if ((c->trace = popen(command_string, "r")) == NULL){
printf("Command string is %s\n", command_string);
die_message("Unable to open the file with gzip option \n");
}
}
int main(int argc, char *argv[])
{
int ii;
FILE *tr_file;
char tr_filename[1024];
char cmd_string[256];
if(argc < 1) {
die_message("Must Provide a Trace File");
}
//--------------------------------------------------------------------
// -- Get params from command line
//--------------------------------------------------------------------
for ( ii = 1; ii < argc; ii++) {
if (argv[ii][0] == '-') {
if (!strcmp(argv[ii], "-h") || !strcmp(argv[ii], "-help")) {
die_usage();
}
else if (!strcmp(argv[ii], "-pipewidth")) {
if (ii < argc - 1) {
PIPE_WIDTH = atoi(argv[ii+1]);
ii += 1;
}
}
else if (!strcmp(argv[ii], "-schedpolicy")) {
if (ii < argc - 1) {
SCHED_POLICY = atoi(argv[ii+1]);
ii += 1;
}
}
else if (!strcmp(argv[ii], "-loadlatency")) {
if (ii < argc - 1) {
LOAD_EXE_CYCLES = atoi(argv[ii+1]);
ii += 1;
}
}
}
else {
strcpy(tr_filename, argv[ii]);
}
}
// ------- Open Trace File -------------------------------------------
sprintf(cmd_string,"gunzip -c %s", tr_filename);
if ((tr_file = popen(cmd_string, "r")) == NULL){
printf("Command string is %s\n", cmd_string);
die_message("Unable to open the trace file with gzip option \n") ;
} else {
printf("Opened file with command: %s \n", cmd_string);
}
// ------- Pipeline Initialization & Execution ----------------------
pipeline = pipe_init(tr_file);
printf("\n%48s", "");
while(!pipeline->halt) {
pipe_cycle(pipeline);
check_heartbeat();
}
// ------- Print Statistics------------------------------------------
print_stats();
fclose(tr_file);
return 0;
}
