double nbio_result(void)
{
int i;
double total = 0;
for (i=0;i<nprocs;i++) {
total += children[i].bytes - children[i].warmup_bytes;
}
return 1.0e-6 * total / timeval_elapsed2(&tv_start, &tv_end);
}
static void sig_alarm(int sig)
{
double total_bytes = 0;
int total_lines = 0;
int i;
int nclients = options.nprocs * options.clients_per_process;
int in_warmup = 0;
double t;
static int in_cleanup;
double latency;
struct timeval tnow;
int num_active = 0;
int num_finished = 0;
(void)sig;
tnow = timeval_current();
for (i=0;i<nclients;i++) {
total_bytes += children[i].bytes - children[i].bytes_done_warmup;
if (children[i].bytes == 0 && options.warmup == -1) {
in_warmup = 1;
} else {
num_active++;
}
total_lines += children[i].line;
if (children[i].cleanup_finished) {
num_finished++;
}
}
t = timeval_elapsed(&tv_start);
if (!in_warmup && options.warmup>0 && t > options.warmup) {
tv_start = tnow;
options.warmup = 0;
for (i=0;i<nclients;i++) {
children[i].bytes_done_warmup = children[i].bytes;
children[i].worst_latency = 0;
memset(&children[i].ops, 0, sizeof(children[i].ops));
}
goto next;
}
if (t < options.warmup) {
in_warmup = 1;
} else if (!in_warmup && !in_cleanup && t > options.timelimit) {
for (i=0;i<nclients;i++) {
children[i].done = 1;
}
tv_end = tnow;
in_cleanup = 1;
}
if (t < 1) {
goto next;
}
latency = 0;
if (!in_cleanup) {
for (i=0;i<nclients;i++) {
latency = MAX(children[i].max_latency, latency);
latency = MAX(latency, timeval_elapsed2(&children[i].lasttime, &tnow));
children[i].max_latency = 0;
if (latency > children[i].worst_latency) {
children[i].worst_latency = latency;
}
}
}
if (in_warmup) {
if (options.machine_readable) {
printf("@W@%d@%d@%.2f@%u@%.03f@\n",
num_active, total_lines/nclients,
1.0e-6 * total_bytes / t, (int)t, latency*1000);
} else {
printf("%4d %8d %7.2f MB/sec warmup %3.0f sec latency %.03f ms\n",
num_active, total_lines/nclients,
1.0e-6 * total_bytes / t, t, latency*1000);
}
} else if (in_cleanup) {
if (options.machine_readable) {
printf("@C@%d@%d@%.2f@%u@%.03f@\n",
num_active, total_lines/nclients,
1.0e-6 * total_bytes / t, (int)t, latency*1000);
} else {
printf("%4d cleanup %3.0f sec\n", nclients - num_finished, t);
}
} else {
if (options.machine_readable) {
printf("@R@%d@%d@%.2f@%u@%.03f@\n",
num_active, total_lines/nclients,
1.0e-6 * total_bytes / t, (int)t, latency*1000);
} else {
printf("%4d %8d %7.2f MB/sec execute %3.0f sec latency %.03f ms\n",
nclients, total_lines/nclients,
1.0e-6 * total_bytes / t, t, latency*1000);
throughput = 1.0e-6 * total_bytes / t;
}
}
fflush(stdout);
next:
signal(SIGALRM, sig_alarm);
alarm(PRINT_FREQ);
}
