void sigint_handler(int signum)
{
int i, domain;
uint64_t freq;
fprintf(stdout, "end_time=%f\n", measurement_end_time);
fprintf(stdout, "duration=%f\n", measurement_end_time - measurement_start_time);
if (cum_energy_J != NULL) {
for (i = 0; i < num_node; i++) {
if (cum_energy_J[i] == NULL) {
continue;
}
for (domain = 0; domain < RAPL_NR_DOMAIN; ++domain) {
if (is_supported_domain(domain)) {
char *domain_string = RAPL_DOMAIN_STRINGS[domain];
fprintf(stdout, "cpu%d_%s_Joules=%f\n", i, domain_string, cum_energy_J[i][domain]);
}
}
}
}
terminate_rapl();
exit(0);
}
void
do_print_energy_info()
{
int i = 0;
int domain = 0;
uint64_t node = 0;
double new_sample;
double delta;
double power;
double prev_sample[num_node][RAPL_NR_DOMAIN];
double power_watt[num_node][RAPL_NR_DOMAIN];
cum_energy_J = malloc(num_node * sizeof(double*));
for (i = 0; i < num_node; i++) {
cum_energy_J[i] = malloc(RAPL_NR_DOMAIN * sizeof(double));
}
char time_buffer[32];
struct timeval tv;
int msec;
uint64_t tsc;
uint64_t freq;
/* don't buffer if piped */
setbuf(stdout, NULL);
fprintf(stdout, "cpu_count=%lu\n", num_node);
/* Read initial values */
for (i = node; i < num_node; i++) {
for (domain = 0; domain < RAPL_NR_DOMAIN; ++domain) {
if(is_supported_domain(domain)) {
prev_sample[i][domain] = get_rapl_energy_info(domain, i);
}
}
}
gettimeofday(&tv, NULL);
measurement_start_time = convert_time_to_sec(tv);
measurement_end_time = measurement_start_time;
fprintf(stdout, "start_time=%f\n", measurement_start_time);
/* Begin sampling */
while (1) {
usleep(delay_us);
for (i = node; i < num_node; i++) {
for (domain = 0; domain < RAPL_NR_DOMAIN; ++domain) {
if(is_supported_domain(domain)) {
new_sample = get_rapl_energy_info(domain, i);
delta = new_sample - prev_sample[i][domain];
/* Handle wraparound */
if (delta < 0) {
delta += MAX_ENERGY_STATUS_JOULES;
}
prev_sample[i][domain] = new_sample;
cum_energy_J[i][domain] += delta;
}
}
}
gettimeofday(&tv, NULL);
measurement_end_time = convert_time_to_sec(tv);
}
}
void
do_print_energy_info()
{
int i = 0;
int domain = 0;
uint64_t node = 0;
double new_sample;
double delta;
double power;
double prev_sample[num_node][RAPL_NR_DOMAIN];
double power_watt[num_node][RAPL_NR_DOMAIN];
double cum_energy_J[num_node][RAPL_NR_DOMAIN];
double cum_energy_mWh[num_node][RAPL_NR_DOMAIN];
char time_buffer[32];
struct timeval tv;
int msec;
uint64_t tsc;
uint64_t freq;
double start, end, interval_start;
double total_elapsed_time;
double interval_elapsed_time;
/* don't buffer if piped */
setbuf(stdout, NULL);
/* Print header */
fprintf(stdout, "System Time,RDTSC,Elapsed Time (sec),");
for (i = node; i < num_node; i++) {
fprintf(stdout, "IA Frequency_%d (MHz),",i);
if(is_supported_domain(RAPL_PKG))
fprintf(stdout,"Processor Power_%d (Watt),Cumulative Processor Energy_%d (Joules),Cumulative Processor Energy_%d (mWh),", i,i,i);
if(is_supported_domain(RAPL_PP0))
fprintf(stdout, "IA Power_%d (Watt),Cumulative IA Energy_%d (Joules),Cumulative IA Energy_%d(mWh),", i,i,i);
if(is_supported_domain(RAPL_PP1))
fprintf(stdout, "GT Power_%d (Watt),Cumulative GT Energy_%d (Joules),Cumulative GT Energy_%d(mWh)", i,i,i);
if(is_supported_domain(RAPL_DRAM))
fprintf(stdout, "DRAM Power_%d (Watt),Cumulative DRAM Energy_%d (Joules),Cumulative DRAM Energy_%d(mWh),", i,i,i);
}
fprintf(stdout, "\n");
/* Read initial values */
for (i = node; i < num_node; i++) {
for (domain = 0; domain < RAPL_NR_DOMAIN; ++domain) {
if(is_supported_domain(domain)) {
prev_sample[i][domain] = get_rapl_energy_info(domain, i);
}
}
}
gettimeofday(&tv, NULL);
start = convert_time_to_sec(tv);
end = start;
/* Begin sampling */
while (1) {
usleep(delay_us);
gettimeofday(&tv, NULL);
interval_start = convert_time_to_sec(tv);
interval_elapsed_time = interval_start - end;
for (i = node; i < num_node; i++) {
for (domain = 0; domain < RAPL_NR_DOMAIN; ++domain) {
if(is_supported_domain(domain)) {
new_sample = get_rapl_energy_info(domain, i);
delta = new_sample - prev_sample[i][domain];
/* Handle wraparound */
if (delta < 0) {
delta += MAX_ENERGY_STATUS_JOULES;
}
prev_sample[i][domain] = new_sample;
// Use the computed elapsed time between samples (and not
// just the sleep delay, in order to more accourately account for
// the delay between samples
power_watt[i][domain] = delta / interval_elapsed_time;
cum_energy_J[i][domain] += delta;
cum_energy_mWh[i][domain] = cum_energy_J[i][domain] / 3.6; // mWh
}
}
}
gettimeofday(&tv, NULL);
end = convert_time_to_sec(tv);
total_elapsed_time = end - start;
convert_time_to_string(tv, time_buffer);
read_tsc(&tsc);
fprintf(stdout,"%s,%lu,%.4lf,", time_buffer, tsc, total_elapsed_time);
for (i = node; i < num_node; i++) {
get_pp0_freq_mhz(i, &freq);
fprintf(stdout, "%lu,", freq);
for (domain = 0; domain < RAPL_NR_DOMAIN; ++domain) {
if(is_supported_domain(domain)) {
fprintf(stdout, "%.4lf,%.4lf,%.4lf,",
power_watt[i][domain], cum_energy_J[i][domain], cum_energy_mWh[i][domain]);
}
}
}
fprintf(stdout, "\n");
// check to see if we are done
if(total_elapsed_time >= duration)
break;
}
end = clock();
/* Print summary */
fprintf(stdout, "\nTotal Elapsed Time(sec)=%.4lf\n\n", total_elapsed_time);
for (i = node; i < num_node; i++) {
if(is_supported_domain(RAPL_PKG)){
fprintf(stdout, "Total Processor Energy_%d(Joules)=%.4lf\n", i, cum_energy_J[i][RAPL_PKG]);
fprintf(stdout, "Total Processor Energy_%d(mWh)=%.4lf\n", i, cum_energy_mWh[i][RAPL_PKG]);
fprintf(stdout, "Average Processor Power_%d(Watt)=%.4lf\n\n", i, cum_energy_J[i][RAPL_PKG]/total_elapsed_time);
}
if(is_supported_domain(RAPL_PP0)){
fprintf(stdout, "Total IA Energy_%d(Joules)=%.4lf\n", i, cum_energy_J[i][RAPL_PP0]);
fprintf(stdout, "Total IA Energy_%d(mWh)=%.4lf\n", i, cum_energy_mWh[i][RAPL_PP0]);
fprintf(stdout, "Average IA Power_%d(Watt)=%.4lf\n\n", i, cum_energy_J[i][RAPL_PP0]/total_elapsed_time);
}
if(is_supported_domain(RAPL_PP1)){
fprintf(stdout, "Total GT Energy_%d(Joules)=%.4lf\n", i, cum_energy_J[i][RAPL_PP1]);
fprintf(stdout, "Total GT Energy_%d(mWh)=%.4lf\n", i, cum_energy_mWh[i][RAPL_PP1]);
fprintf(stdout, "Average GT Power_%d(Watt)=%.4lf\n\n", i, cum_energy_J[i][RAPL_PP1]/total_elapsed_time);
}
if(is_supported_domain(RAPL_DRAM)){
fprintf(stdout, "Total DRAM Energy_%d(Joules)=%.4lf\n", i, cum_energy_J[i][RAPL_DRAM]);
fprintf(stdout, "Total DRAM Energy_%d(mWh)=%.4lf\n", i, cum_energy_mWh[i][RAPL_DRAM]);
fprintf(stdout, "Average DRAM Power_%d(Watt)=%.4lf\n\n", i, cum_energy_J[i][RAPL_DRAM]/total_elapsed_time);
}
}
read_tsc(&tsc);
fprintf(stdout,"TSC=%lu\n", tsc);
}
