int
main(int argc, char *argv[])
{
int nsectors;
// struct stat;
// struct disksim *disksim, *disksim2;
struct stat buf;
int len = 8192000;
int test_encapsulation;
struct disksim_interface* disksim;
struct gengetopt_args_info args_info;
if (argc != 4 || (nsectors = atoi(argv[3])) <= 0) {
fprintf(stderr, "usage: %s <param file> <output file> <#nsectors>\n",
argv[0]);
exit(1);
}
if (stat(argv[1], &buf) < 0)
panic(argv[1]);
// nsectors = args_info.sectors_arg;
test_encapsulation = 0;//args_info.test_encapsulation_flag;
disksim = disksim_interface_initialize(argv[1],
argv[2],
syssim_report_completion,
syssim_schedule_callback,
syssim_deschedule_callback,
0,
0,
0);
/* This simulates the skippy algorithm */
seek_sim(disksim,
nsectors,
512,
0);
// if (test_encapsulation) {
// disksim_interface_shutdown(disksim2, now);
// }
exit(0);
}
int main(int argc, char **argv) {
int c;
static struct option opts[] = {
{ "parv", 1, 0, 0 }, { "outv", 1, 0, 0 },
{ "model", 1, 0, 0 },
{ "mode", 1, 0, 0 },
{ "trace", 1, 0, 0 },
{0,0,0,0}
};
enum optt {
PARV = 0,
OUTV = 1,
MODEL = 2,
MODE = 3,
TRACE = 4
};
struct dm_disk_if *d;
struct dm_layout_g4 *l;
struct trace *t;
struct dsstuff *ds = calloc(1, sizeof(*ds));
struct lp_block *unm;
setlinebuf(stdout);
FILE *outfile = NULL;
int optind;
char *parv = 0;
char *outv = 0;
char *model = 0;
char *trace = 0;
while((c = getopt_long(argc, argv, "q", opts, &optind)) != -1) {
switch(c) {
case -1:
break;
case 0:
switch(optind) {
case PARV:
parv = strdup(optarg);
break;
case OUTV:
outv = strdup(optarg);
break;
case MODEL:
model = strdup(optarg);
break;
case MODE:
if(!strcmp(optarg, "calib")) {
mode = CALIB;
}
else if(!strcmp(optarg, "gentrace")) {
mode = GENTRACE;
}
else {
fprintf(stderr, "*** bad mode %s\n", optarg);
exit(1);
}
break;
case TRACE:
trace = strdup(optarg);
break;
default:
ddbg_assert(0);
break;
}
break;
default:
ddbg_assert(0);
break;
}
}
t = setup_trace(trace);
if(mode == CALIB) {
outfile = fopen(model, "w");
ddbg_assert(outfile);
}
ds->iface = disksim_interface_initialize(parv,
outv,
cb,
schedule_callback,
deschedule_callback,
ds,
18, // argc
nocache_over);
d = disksim_getdiskmodel(ds->iface, 0);
l = (struct dm_layout_g4 *)d->layout;
do_idx(d, 0, l->root, l, ds, t, 0);
extern struct lp_block* marshal_layout_g4(struct dm_layout_g4 *);
if(mode == CALIB) {
unm = marshal_layout_g4(l);
unparse_block(unm, outfile);
fclose(outfile);
}
free(ds);
fclose(t->fp);
free(t);
return 0;
}
int
main(int argc, char *argv[])
{
int i;
int nsectors;
struct stat buf;
struct disksim_request r;
struct disksim_interface *disksim;
unsigned long pos=0;
int measurements;
struct stat;
int len = 8192000;
int test_encapsulation;
struct disksim_interface* iface;
struct gengetopt_args_info args_info;
double t;
if (argc != 4 || (measurements = atoi(argv[3])) <= 0) {
fprintf(stderr, "usage: %s <param file> <output file> <#measurements>\n",
argv[0]);
exit(1);
}
if (stat(argv[1], &buf) < 0)
panic(argv[1]);
disksim = disksim_interface_initialize(argv[1],
argv[2],
syssim_report_completion,
syssim_schedule_callback,
syssim_deschedule_callback,
0,
0,
0);
/* NOTE: it is bad to use this internal disksim call from external... */
DISKSIM_srand48(1);
for (i=0; i < measurements; i++) {
r.start = now;
r.flags = DISKSIM_READ;
r.devno = 0;
/* NOTE: it is bad to use this internal disksim call from external... */
r.blkno = pos; //BLOCK2SECTOR*(DISKSIM_lrand48()%(nsectors/BLOCK2SECTOR));
r.bytecount = SECTOR;
completed = 0;
t = now;
disksim_interface_request_arrive(disksim, now, &r);
/* Process events until this I/O is completed */
while(next_event >= 0) {
now = next_event;
next_event = -1;
disksim_interface_internal_event(disksim, now, 0);
}
pos+= SECTOR;
fprintf(stdout, "%d %g\n",i,(now-t)*1000.0);
if (!completed) {
fprintf(stderr,
"%s: internal error. Last event not completed %d\n",
argv[0], i);
exit(1);
}
}
disksim_interface_shutdown(disksim, now);
print_statistics(&st, "response time");
exit(0);
}
