int main()
{
// try load up 'processes_q5.txt'
FILE* process_list = fopen(FPATH_PROCESSES_Q5, "r");
if(!process_list)
{
fprintf(stderr, "Error: Failed to load '%s'\n", FPATH_PROCESSES_Q5);
return 1;
}
// read in stuff from processes
node_t* head = NULL;
load_processes(process_list, &head);
// close the process list
fclose(process_list);
// run hi priority then lower-priority processes
run_processes(&head, 0);
run_processes(&head, -1);
// pop any remaining nodes
while(head)
{
pop(&head);
}
// run; now you're done.
return 0;
}
/* lock a byte range in a open file */
int main(int argc, char *argv[])
{
int nprocs, i;
char *tname = "ALL";
#define NREPEATS 10
struct {
const char *name;
void *(*fn)(int );
} tests[] = {
{"noop", test_noop},
{"malloc", test_malloc},
{"setreuid", test_setreuid},
{"readwrite", test_readwrite},
{"stat", test_stat},
{"fstat", test_fstat},
{"dir", test_dir},
{"dirsingle", test_dirsingle},
{"create", test_create},
{"lock", test_lock},
{NULL, NULL}
};
if (argc <= 1) {
printf("thread_perf NPROCS\n");
exit(1);
}
nprocs = atoi(argv[1]);
if (argc > 2) {
tname = argv[2];
}
id_data = calloc(nprocs, sizeof(*id_data));
if (!id_data) {
exit(1);
}
#ifndef NO_THREADS
printf("NOTE! for accurate process results please compile with -DNO_THREADS and don't link to -lpthread\n\n");
#endif
for (i=0;i<nprocs;i++) {
char s[30];
sprintf(s, "testd_%d", i);
id_data[i].dname = strdup(s);
sprintf(s, "%s/test.dat", id_data[i].dname);
id_data[i].fname = strdup(s);
rmdir(id_data[i].dname);
if (mkdir(id_data[i].dname, 0777) != 0) {
fprintf(stderr, "Failed to create %s\n", id_data[i].dname);
exit(1);
}
unlink(id_data[i].fname);
}
for (i=0;tests[i].name;i++) {
double t_threads[NREPEATS];
double t_processes[NREPEATS];
int j;
if (strcasecmp(tname, "ALL") && strcasecmp(tests[i].name, tname)) {
continue;
}
printf("Running test '%s' with %d tasks\n", tests[i].name, nprocs);
for (j=0;j<NREPEATS;j++) {
#ifndef NO_THREADS
t_threads[j] = run_threads(nprocs, tests[i].fn);
#endif
t_processes[j] = run_processes(nprocs, tests[i].fn);
}
#ifndef NO_THREADS
show_result("Threads ", t_threads, NREPEATS);
#endif
show_result("Processes", t_processes, NREPEATS);
printf("\n");
fflush(stdout);
}
for (i=0;i<nprocs;i++) {
if (rmdir(id_data[i].dname) != 0) {
fprintf(stderr, "Failed to delete %s\n", id_data[i].dname);
exit(1);
}
}
for (i=0;i<nprocs;i++) {
free(id_data[i].dname);
free(id_data[i].fname);
}
free(id_data);
return 0;
}