int main(int argc, char** argv) {
if (argc != 2) {
fprintf(stderr, "Expected one argument. Got %d.\n", argc);
fprintf(stderr, "Usage: inspect-gui <trace file>\n");
return EXIT_FAILURE;
}
trace_t* trace = load_trace(argv[1]);
trace_error_t error = get_trace_error();
if (error == TraceError_Invalid) {
fprintf(stderr, "Invalid trace file: %s\n", get_trace_error_desc());
return EXIT_FAILURE;
} else if (error == TraceError_UnableToOpen) {
fprintf(stderr, "Unable to open trace file.\n");
return EXIT_FAILURE;
}
inspection_t* inspection = create_inspection(trace);
inspect(inspection);
inspector_t* inspector = create_inspector(inspection);
for (size_t i = 0; i < inspection->frame_count; i++)
for (size_t j = 0; j < inspection->frames[i].command_count; j++)
seek_inspector(inspector, i, j);
free_inspector(inspector);
free_inspection(inspection);
free_trace(trace);
return EXIT_SUCCESS;
}
int main(int argc, char** argv) {
if (argc != 2) {
fprintf(stderr, "Expected one argument. Got %d.\n", argc);
fprintf(stderr, "Usage: inspect-gui <trace file>\n");
return EXIT_FAILURE;
}
trace_t* trace = load_trace(argv[1]);
trace_error_t error = get_trace_error();
if (error == TraceError_Invalid) {
fprintf(stderr, "Invalid trace file: %s\n", get_trace_error_desc());
return EXIT_FAILURE;
} else if (error == TraceError_UnableToOpen) {
fprintf(stderr, "Unable to open trace file.\n");
return EXIT_FAILURE;
}
inspection_t* inspection = create_inspection(trace);
inspect(inspection);
free_inspection(inspection);
free_trace(trace);
return EXIT_SUCCESS;
}
/**************
* Main routine
**************/
int main(int argc, char **argv) {
int i;
char c;
char **tracefiles = NULL; /* null-terminated array of trace file names */
int num_tracefiles = 0; /* the number of traces in that array */
trace_t *trace = NULL; /* stores a single trace file in memory */
range_t *ranges = NULL; /* keeps track of block extents for one trace */
stats_t *libc_stats = NULL;/* libc stats for each trace */
stats_t *mm_stats = NULL; /* mm (i.e. student) stats for each trace */
speed_t speed_params; /* input parameters to the xx_speed routines */
int run_libc = 0; /* If set, run libc malloc (set by -l) */
int autograder = 0; /* If set, emit summary info for autograder (-g) */
/* temporaries used to compute the performance index */
double secs, ops, util, avg_mm_util, avg_mm_throughput, p1, p2, perfindex;
int numcorrect;
/*
* Read and interpret the command line arguments
*/
while ((c = getopt(argc, argv, "f:t:hvVgal")) != EOF) {
switch (c) {
case 'g': /* Generate summary info for the autograder */
autograder = 1;
break;
case 'f': /* Use one specific trace file only (relative to curr dir) */
num_tracefiles = 1;
if ((tracefiles = realloc(tracefiles, 2*sizeof(char *))) == NULL)
unix_error("ERROR: realloc failed in main");
strcpy(tracedir, "./");
tracefiles[0] = strdup(optarg);
tracefiles[1] = NULL;
break;
case 't': /* Directory where the traces are located */
if (num_tracefiles == 1) /* ignore if -f already encountered */
break;
strcpy(tracedir, optarg);
if (tracedir[strlen(tracedir)-1] != '/')
strcat(tracedir, "/"); /* path always ends with "/" */
break;
case 'l': /* Run libc malloc */
run_libc = 1;
break;
case 'v': /* Print per-trace performance breakdown */
verbose = 1;
break;
case 'V': /* Be more verbose than -v */
verbose = 2;
break;
case 'h': /* Print this message */
usage();
exit(0);
default:
usage();
exit(1);
}
}
/*
* If no -f command line arg, then use the entire set of tracefiles
* defined in default_traces[]
*/
if (tracefiles == NULL) {
tracefiles = default_tracefiles;
num_tracefiles = sizeof(default_tracefiles) / sizeof(char *) - 1;
printf("Using default tracefiles in %s\n", tracedir);
}
/* Initialize the timing package */
init_fsecs();
/*
* Optionally run and evaluate the libc malloc package
*/
if (run_libc) {
if (verbose > 1)
printf("\nTesting libc malloc\n");
/* Allocate libc stats array, with one stats_t struct per tracefile */
libc_stats = (stats_t *)calloc(num_tracefiles, sizeof(stats_t));
if (libc_stats == NULL)
unix_error("libc_stats calloc in main failed");
/* Evaluate the libc malloc package using the K-best scheme */
for (i=0; i < num_tracefiles; i++) {
trace = read_trace(tracedir, tracefiles[i]);
libc_stats[i].ops = trace->num_ops;
if (verbose > 1)
printf("Checking libc malloc for correctness, ");
libc_stats[i].valid = eval_libc_valid(trace, i);
if (libc_stats[i].valid) {
speed_params.trace = trace;
if (verbose > 1)
printf("and performance.\n");
libc_stats[i].secs = fsecs(eval_libc_speed, &speed_params);
}
free_trace(trace);
}
/* Display the libc results in a compact table */
if (verbose) {
printf("\nResults for libc malloc:\n");
printresults(num_tracefiles, libc_stats);
}
}
/*
* Always run and evaluate the student's mm package
*/
if (verbose > 1)
printf("\nTesting mm malloc\n");
/* Allocate the mm stats array, with one stats_t struct per tracefile */
mm_stats = (stats_t *)calloc(num_tracefiles, sizeof(stats_t));
if (mm_stats == NULL)
unix_error("mm_stats calloc in main failed");
/* Initialize the simulated memory system in memlib.c */
mem_init();
/* Evaluate student's mm malloc package using the K-best scheme */
for (i=0; i < num_tracefiles; i++) {
trace = read_trace(tracedir, tracefiles[i]);
strncpy(mm_stats[i].trace_name, trace->trace_name, 1024);
mm_stats[i].ops = trace->num_ops;
if (verbose > 1)
printf("Checking mm_malloc for correctness, ");
mm_stats[i].valid = eval_mm_valid(trace, i, &ranges);
if (mm_stats[i].valid) {
if (verbose > 1)
printf("efficiency, ");
mm_stats[i].util = eval_mm_util(trace, i, &ranges);
speed_params.trace = trace;
speed_params.ranges = ranges;
if (verbose > 1)
printf("and performance.\n");
mm_stats[i].secs = fsecs(eval_mm_speed, &speed_params);
}
free_trace(trace);
}
/* Display the mm results in a compact table */
if (verbose) {
printf("\nResults for mm malloc:\n");
printresults(num_tracefiles, mm_stats);
printf("\n");
}
/*
* Accumulate the aggregate statistics for the student's mm package
*/
secs = 0;
ops = 0;
util = 0;
numcorrect = 0;
for (i=0; i < num_tracefiles; i++) {
secs += mm_stats[i].secs;
ops += mm_stats[i].ops;
util += mm_stats[i].util;
if (mm_stats[i].valid)
numcorrect++;
}
avg_mm_util = util/num_tracefiles;
/*
* Compute and print the performance index
*/
if (errors == 0) {
avg_mm_throughput = ops/secs;
p1 = UTIL_WEIGHT * avg_mm_util;
if (avg_mm_throughput > AVG_LIBC_THRUPUT) {
p2 = (double)(1.0 - UTIL_WEIGHT);
}
else {
p2 = ((double) (1.0 - UTIL_WEIGHT)) *
(avg_mm_throughput/AVG_LIBC_THRUPUT);
}
perfindex = (p1 + p2)*100.0;
printf("Perf index = %.0f (util) + %.0f (thru) = %.0f/100\n",
p1*100,
p2*100,
perfindex);
}
else { /* There were errors */
perfindex = 0.0;
printf("Terminated with %d errors\n", errors);
}
if (autograder) {
printf("correct:%d\n", numcorrect);
printf("perfidx:%.0f\n", perfindex);
}
exit(0);
}
