/* print all simulator stats */
void
sim_print_stats(FILE *fd) /* output stream */
{
#if 0 /* not portable... :-( */
extern char etext, *sbrk(int);
#endif
if (!running)
return;
/* get stats time */
sim_end_time = time((time_t *)NULL);
sim_elapsed_time = MAX(sim_end_time - sim_start_time, 1);
#if 0 /* not portable... :-( */
/* compute simulator memory usage */
sim_mem_usage = (sbrk(0) - &etext) / 1024;
#endif
/********** Modification for ACAPP tool **********/
printCacheStats();
/* print simulation stats */
fprintf(fd, "\nsim: ** simulation statistics **\n");
stat_print_stats(sim_sdb, fd);
sim_aux_stats(fd);
fprintf(fd, "\n");
}
/* print all simulator stats */
void
sim_print_stats(FILE *fd) /* output stream */
{
#if 0 /* not portable... :-( */
extern char etext, *sbrk(int);
#endif
if (!running)
return;
/* get stats time */
sim_end_time = time((time_t *)NULL);
sim_elapsed_time = MAX(sim_end_time - sim_start_time, 1);
#if 0 /* not portable... :-( */
/* compute simulator memory usage */
sim_mem_usage = (sbrk(0) - &etext) / 1024;
#endif
/********** Modification for ACAPP tool **********/
// printf("%d\n", profile_level);
if(profile_level==2){
// int h = hitOrMissFunc(dset, dtag);
int i;
for(i=0; i<=profile_max-profile_min; i++){
printCacheStats(pcache2[i]);
}
}
if(profile_level==1){
// int h = hitOrMissFunc(dset, dtag);
int i;
for(i=0; i<=profile_max-profile_min; i++){
printCacheStats(pcache1[i]);
}
}
/* print simulation stats */
fprintf(fd, "\nsim: ** simulation statistics **\n");
stat_print_stats(sim_sdb, fd);
sim_aux_stats(fd);
fprintf(fd, "\n");
}
int
main(int argc, char *argv[])
{
// Set defaults
set_defaults();
// Process cmdline Arguments
for (int i = 1; i < argc; ++i) {
if (!strcmp(argv[i],"--help")) {
usage();
exit(0);
} else if (!strncmp(argv[i],"--",2)) {
if (!handle_option(argv[i])) {
printf("Unrecognized option %s\n", argv[i]);
usage();
exit(1);
}
} else {
// Use as input file
stream = fopen(argv[i], "r");
}
}
// Initialize the cache
init_cache();
uint64_t totalRefs = 0;
uint64_t totalPenalties = 0;
uint32_t addr = 0;
char i_or_d = '\0';
// Read each memory access from the trace
while (read_mem_access(&addr, &i_or_d)) {
totalRefs++;
// Direct the memory access to the appropriate cache
if (i_or_d == 'I') {
totalPenalties += icache_access(addr);
} else if (i_or_d == 'D') {
totalPenalties += dcache_access(addr);
} else {
fprintf(stderr,"Input Error '%c' must be either 'I' or 'D'\n", i_or_d);
exit(1);
}
}
// Print out the statistics
printStudentInfo();
printCacheConfig();
printCacheStats();
printf("Total Memory accesses: %16llu\n", totalRefs);
printf("Total Memory penalties: %16llu\n", totalPenalties);
if (totalRefs > 0) {
printf("avg Memory access time: %16.2f cycles\n",
(double)totalPenalties / totalRefs);
} else {
printf("avg Memory access time: -\n");
}
// Cleanup
fclose(stream);
free(buf);
return 0;
}
