void
print_netstat()
{
int i;
uint64_t op, ip, ob, ib;
double t;
(void) printf("\nNetstat statistics for this run\n");
#ifdef HAVE_LIBKSTAT
if (state_changed == 1) {
(void) printf(WARNSTR);
}
#endif /* HAVE_LIBKSTAT */
(void) uperf_line();
(void) printf("%-5s %10s %10s %11s %11s\n",
"Nic", "opkts/s", "ipkts/s", "obits/s", "ibits/s");
for (i = 0; i < no_nics; i++) {
op = nics[i].s[1].tx_pkts - nics[i].s[0].tx_pkts;
ip = nics[i].s[1].rx_pkts - nics[i].s[0].rx_pkts;
ib = nics[i].s[1].rx_bytes - nics[i].s[0].rx_bytes;
ob = nics[i].s[1].tx_bytes - nics[i].s[0].tx_bytes;
t = (nics[i].s[1].stamp - nics[i].s[0].stamp)/1.0e+9;
if (ip == 0 && op == 0)
continue;
(void) printf("%-5s %10.0f %10.0f ",
nics[i].interface, op/t, ip/t);
PRINT_NUMb(ob*8/t, 11);
printf(" ");
PRINT_NUMb(ib*8/t, 11);
printf("\n");
}
(void) uperf_line();
}
static int
master_poll(uperf_shm_t *shm)
{
int no_txn;
int error;
int curr_txn = 0;
barrier_t *curr_bar;
double time_to_print;
newstats_t prev_ns;
bzero(&prev_ns, sizeof (prev_ns));
no_txn = workorder_max_txn(shm->workorder);
shm->current_time = GETHRTIME();
time_to_print = shm->current_time;
/*
* The main event loop. It runs roughly at options.interval
* frequency.
* We come out of the loop if any of the following is true
* 1. If slaves send anything (they should not in normal circumstances)
* 2. All Transactions except the last one are complete
* 3. Error
*/
while (curr_txn < no_txn) {
curr_bar = &shm->bar[curr_txn];
if (shm->global_error > 0) {
break;
}
error = poll_slaves();
if (error != 0) { /* msg arrived */
/* Read slave msg and process it */
(void) printf("\n*** Slave aborted! ***\n");
shm->global_error++;
break;
}
shm->current_time = GETHRTIME();
shm_process_callouts(shm);
if (BARRIER_REACHED(curr_bar)) { /* goto Next Txn */
if (ENABLED_STATS(options)) {
if (curr_txn != 0) {
print_progress(shm, prev_ns);
(void) printf("\n");
}
update_aggr_stat(shm);
(void) memcpy(&prev_ns, AGG_STAT(shm),
sizeof (prev_ns));
prev_ns.end_time = GETHRTIME();
(void) snprintf(prev_ns.name,
sizeof (prev_ns.name),
"Txn%d", curr_txn + 1);
}
/*
* Ask slaves to begin curr_txn Ok to ignore
* return value as number of transactions
* per group may not be the same
*/
(void) send_command_to_slaves(UPERF_CMD_NEXT_TXN,
curr_txn);
/* release barrier so master can also begin curr_txn */
shm->txn_begin = GETHRTIME();
unlock_barrier(curr_bar);
curr_txn++;
}
shm->current_time = GETHRTIME();
if (ENABLED_STATS(options) &&
(time_to_print <= shm->current_time)) {
print_progress(shm, prev_ns);
time_to_print = shm->current_time
+ options.interval * 1.0e+6;
}
}
while (shm->global_error == 0 && shm->finished == 0) {
shm_process_callouts(shm);
print_progress(shm, prev_ns);
(void) poll(NULL, 0, 100);
}
if (ENABLED_STATS(options)) {
(void) printf("\n");
uperf_line();
}
if (shm->global_error > 0) {
master_prepare_to_exit(shm);
return (1);
}
if (ENABLED_ERROR_STATS(options)) {
return (send_command_to_slaves(UPERF_CMD_SEND_STATS, 0));
} else {
return (0);
}
}
