int main(int argc, char** argv) {
int n = 0;
int i;
const int MAX = atoi(argv[1]);
int apps[1024];
if(getenv("HEARTBEAT_ENABLED_DIR") == NULL) {
fprintf(stderr, "ERROR: need to define environment variable HEARTBEAT_ENABLED_DIR (see README)\n");
return 1;
}
heart_data_t* records = (heart_data_t*) malloc(MAX*sizeof(heart_data_t));
int last_tag = -1;
while(n == 0) {
n = get_heartbeat_apps(apps);
}
//printf("apps[0] = %d\n", apps[0]);
// For this test we only allow one heartbeat enabled app
assert(n==1);
#if 1
int rc = heart_rate_monitor_init(&heart, apps[0]);
if (rc != 0)
printf("Error attaching memory\n");
printf("buffer depth is %lld\n", (long long int) heart.state->buffer_depth);
i = 0;
int current_tag = -1;
while(last_tag < MAX-1) {
heartbeat_record_t record;
while(current_tag == last_tag) {
int rc = -1;
while (rc != 0)
rc = hrm_get_current(&heart, &record);
current_tag = record.tag;
}
records[i].tag = last_tag = current_tag;
records[i].rate = record.window_rate;
//printf("System: %d %d\n", current_tag, last_tag);
// printf("System: %d, %f\n", records[i].tag, records[i].rate);
i++;
}
//printf("System: Global heart rate: %f, Current heart rate: %f\n", heart.global_heartrate, heart.window_heartrate);
for(i = 0; i < MAX; i++) {
printf("%d, %f\n", records[i].tag, records[i].rate);
}
heart_rate_monitor_finish(&heart);
#endif
return 0;
}
int main(int argc, char** argv) {
int n = 0;
int i;
const int MAX = atoi(argv[1]);
const int CORES = atoi(argv[2]);
int ncpus=0;
int apps[1024];
/**/
extern char *optarg;
extern int optind, opterr, optopt;
int ret = 0, cont = 1;
unsigned int cpu = 0;
//unsigned int cpu_defined = 0;
unsigned long min_available_freq = 0;
unsigned long max_available_freq = 0;
unsigned long current_freq = 0;
unsigned long initial_freq = 0;
struct cpufreq_available_frequencies *freqs;
int retr =0;
setlinebuf(stdout);
ncpus=get_cpus();
if(!CORES){
CORES == ncpus;
}
if (CORES > ncpus){
printf("Wrong number of inital cores");
exit(2);
}
ret= get_hardware_limits(cpu);
min_available_freq = min;
max_available_freq = max;
ret= set_policy(CORES);
freqs = cpufreq_get_available_frequencies(0);
/*if (freqs==null){
goto out;
}*/
current = get_available_freqs_size(freqs);
unsigned long* available_freqs = (unsigned long *) malloc(current*sizeof(unsigned long));
ret = store_available_freqs( freqs, available_freqs, current);
int current_counter = get_init_frequency(available_freqs, cpu);
/*if (ret!=0){
goto out;
}*/
current_freq = cpufreq_get_freq_kernel(cpu);
if(getenv("HEARTBEAT_ENABLED_DIR") == NULL) {
fprintf(stderr, "ERROR: need to define environment variable HEARTBEAT_ENABLED_DIR (see README)\n");
return 1;
}
heart_data_t* records = (heart_data_t*) malloc(MAX*sizeof(heart_data_t));
int last_tag = -1;
while(n == 0) {
n = get_heartbeat_apps(apps);
}
printf("apps[0] = %d\n", apps[0]);
// For this test we only allow one heartbeat enabled app
// assert(n==1);
if (n>1) {
printf("too many apps!!!!!!!!!!!!!!\n");
exit(2);
}
/* sleep(5);*/
#if 1
int rc = heart_rate_monitor_init(&heart, apps[0]);
if (rc != 0)
printf("Error attaching memory\n");
printf("buffer depth is %lld\n", (long long int) heart.state->buffer_depth);
i = 0;
printf(" rate interval is %f - %f\n", hrm_get_min_rate(&heart), hrm_get_max_rate(&heart));
printf("beat\trate\tfreq\tcores\ttact\twait\n");
int64_t window_size = hrm_get_window_size(&heart);
int wait_for = (int) window_size;
int current_beat = 0;
int current_beat_prev= 0;
int nprocs = 1;
unsigned int set_freq = min;
// return 1;
while(current_beat < MAX) {
int rc = -1;
heartbeat_record_t record;
char command[256];
while (rc != 0 || record.window_rate == 0.0000 ){
rc = hrm_get_current(&heart, &record);
current_beat = record.beat;
}
if(current_beat_prev == current_beat)
continue;
/* printf(" rc: %d, current_beat:%d \n", rc,current_beat);*/
/*Situation where doesn't happen nothing*/
if( current_beat < wait_for){
current_beat_prev= current_beat;
/* printf("I am in situation wait_for\n");*/
current_freq = cpufreq_get_freq_kernel(0);
print_status(&record, wait_for, current_freq, '.', CORES);
continue;
}
/* printf("Current beat is %d, wait_for = %d, %f\n", current_beat, wait_for, record.window_rate);*/
/*Situation where frequency is up-scaled*/
if(record.window_rate < hrm_get_min_rate(&heart)) {
wait_for = current_beat + window_size;
if (current_counter > 0){
int cpu;
current_counter--;
set_freq = get_speed(available_freqs[current_counter]);
for (cpu=0; cpu <=CORES; cpu++) {
/* sprintf(command, "cpufreq-set -c %d -f %luMHZ", cpu,set_freq);*/
/* printf("Executing %s\n", command);*/
/* system(command);*/
cpufreq_set_frequency(cpu, available_freqs[current_counter]);
}
current_freq = cpufreq_get_freq_kernel(0);
print_status(&record, wait_for, current_freq, '+', CORES);
}
else {
current_freq = cpufreq_get_freq_kernel(0);
print_status(&record, wait_for, current_freq, 'M', CORES);
}
}
/*Situation where frequency is downscaled*/
else if(record.window_rate > hrm_get_max_rate(&heart)) {
wait_for = current_beat + window_size;
if (current_counter < current){
current_counter++;
set_freq = get_speed(available_freqs[current_counter]);
for (cpu=0; cpu <=CORES; cpu++) {
/* sprintf(command, " cpufreq-set -c %d -f %uMHZ", cpu,set_freq);*/
/* printf("Executing %s\n", command);*/
/*system(command);*/
cpufreq_set_frequency(cpu, available_freqs[current_counter]);
}
current_freq = cpufreq_get_freq_kernel(0);
print_status(&record, wait_for, current_freq, '-', CORES);
}
else {
current_freq = cpufreq_get_freq_kernel(0);
print_status(&record, wait_for, current_freq, 'm', CORES);
}
}
else {
wait_for = current_beat+1;
print_status(&record, wait_for, current_freq, '=', CORES);
}
current_beat_prev= current_beat;
records[i].tag = current_beat;
records[i].rate = record.window_rate;
i++;
}
//printf("System: Global heart rate: %f, Current heart rate: %f\n", heart.global_heartrate, heart.window_heartrate);
/* for(i = 0; i < MAX; i++) {
printf("%d, %f\n", records[i].tag, records[i].rate);
}*/
heart_rate_monitor_finish(&heart);
#endif
return 0;
}
int main(int argc, char** argv) {
int n = 0;
int i;
const int MAX = atoi(argv[1]);
int apps[1024];
if(getenv("HEARTBEAT_ENABLED_DIR") == NULL) {
fprintf(stderr, "ERROR: need to define environment variable HEARTBEAT_ENABLED_DIR (see README)\n");
return 1;
}
heart_data_t* records = (heart_data_t*) malloc(MAX*sizeof(heart_data_t));
int last_tag = -1;
while(n == 0) {
n = get_heartbeat_apps(apps);
}
//printf("apps[0] = %d\n", apps[0]);
// For this test we only allow one heartbeat enabled app
assert(n==1);
sleep(5);
#if 1
int rc = heart_rate_monitor_init(&heart, apps[0]);
if (rc != 0)
printf("Error attaching memory\n");
printf("buffer depth is %lld\n", (long long int) heart.state->buffer_depth);
i = 0;
int64_t window_size = hrm_get_window_size(&heart);
int wait_for = (int) window_size;
int current_beat = 0;
int nprocs = 1;
printf("Current beat is %d, wait_for = %d\n", current_beat, wait_for);
// return 1;
while(current_beat < MAX-1) {
int rc = -1;
heartbeat_record_t record;
char command[256];
while (rc != 0 || record.window_rate == 0.0000 ){
rc = hrm_get_current(&heart, &record);
current_beat = record.beat;
}
if( current_beat < wait_for)
continue;
printf("Current beat is %d, wait_for = %d, %f\n", current_beat, wait_for, record.window_rate);
if(record.window_rate < hrm_get_min_rate(&heart)) {
nprocs++;
sprintf(command, "taskset -pc 0-%d %d >& /dev/null",nprocs-1,apps[0]);
printf("Executing %s\n", command);
system(command);
wait_for = current_beat + window_size;
}
else if(record.window_rate > hrm_get_max_rate(&heart)) {
nprocs--;
sprintf(command, "taskset -pc 0-%d %d >& /dev/null",nprocs-1,apps[0]);
system(command);
wait_for = current_beat + window_size;
}
else {
wait_for = current_beat+1;
}
records[i].tag = current_beat;
records[i].rate = record.window_rate;
i++;
}
//printf("System: Global heart rate: %f, Current heart rate: %f\n", heart.global_heartrate, heart.window_heartrate);
for(i = 0; i < MAX; i++) {
printf("%d, %f\n", records[i].tag, records[i].rate);
}
heart_rate_monitor_finish(&heart);
#endif
return 0;
}
int main(int argc, char **argv)
{
int n_apps = 0;
int apps[16];
int err;
int i;
int64_t window_size;
int64_t skip_until_beat = 0;
int64_t last_beat = 0;
heartbeat_record_t current;
int core_count;
int opt;
int max_beats = INT_MAX;
extern int actuator_count;
extern actuator_t *controls;
actuator_t *next_ctl;
decision_function_t decision_f = machine_state_controller;
int acted;
/* we want to see this in realtime even when it's piped through tee */
setlinebuf(stdout);
/* getting rich with stock options */
while ((opt = getopt(argc, argv, "d:")) != -1) switch (opt) {
case 'd':
if (strcmp(optarg, "core_heuristics") == 0) decision_f = core_heuristics;
else if (strcmp(optarg, "freq_heuristics") == 0) decision_f = freq_heuristics;
else if (strcmp(optarg, "uncoordinated_heuristics") == 0) decision_f = uncoordinated_heuristics;
else if (strcmp(optarg, "step_heuristics") == 0) decision_f = step_heuristics;
else if (strcmp(optarg, "core_controller") == 0) decision_f = core_controller;
else if (strcmp(optarg, "machine_state_controller") == 0) decision_f = machine_state_controller;
else {
fprintf(stderr, "%s: unknown decision function\n", argv[0]);
exit(1);
}
break;
default:
fprintf(stderr, "Usage: %s [-d decision_function]\n", argv[0]);
exit(1);
}
argc -= optind;
argv += optind;
if (argc > 1)
max_beats = argv[1];
/* setupping arbit */
heartbeat_dir = getenv("HEARTBEAT_ENABLED_DIR");
fail_if(heartbeat_dir == NULL, "environment variable HEARTBEAT_ENABLED_DIR undefined");
while (n_apps == 0)
n_apps = get_heartbeat_apps(apps, sizeof(apps)/sizeof(apps[0]));
fail_if(n_apps != 1, "this service only supports a single app. please delete c:\\system32");
printf("monitoring process %d\n", apps[0]);
/* initrogenizing old river control structure */
core_count = get_core_count();
actuator_count = core_count + 3;
controls = malloc(sizeof(actuator_t) * actuator_count);
fail_if(!controls, "could not allocate actuators");
/* PROBLEM!!!!! the machine speed actuator needs to init last, but act first! WHAT NOW */
/* create the list in action order, but init in special order... QUICK AND DIRTY = OPTIMAL */
next_ctl = controls;
*next_ctl++ = (actuator_t) { .id = ACTUATOR_MACHINE_SPD, .core = -1, .pid = apps[0], .init_f = machine_speed_init, .action_f = machine_speed_act };
for (i = 0; i < core_count; i++)
*next_ctl++ = (actuator_t) { .id = ACTUATOR_SINGLE_FREQ, .core = i, .pid = -1, .init_f = single_freq_init, .action_f = single_freq_act };
*next_ctl++ = (actuator_t) { .id = ACTUATOR_GLOBAL_FREQ, .core = -1, .pid = -1, .init_f = global_freq_init, .action_f = global_freq_act };
*next_ctl++ = (actuator_t) { .id = ACTUATOR_CORE_COUNT, .core = -1, .pid = apps[0], .init_f = core_init, .action_f = core_act };
for (i = 1; i < actuator_count; i++) {
err = controls[i].init_f(&controls[i]);
fail_if(err, "cannot initialize actuator");
}
/* initialize machine speed actuator last! */
err = controls[0].init_f(&controls[0]);
fail_if(err, "cannot initialize actuator");
/* begin monitoration of lone protoss */
err = heart_rate_monitor_init(&hrm, apps[0]);
fail_if(err, "cannot start heart rate monitor");
window_size = hrm_get_window_size(&hrm);
current.beat = -1;
do {
do {
err = hrm_get_current(&hrm, ¤t);
} while (err || current.beat <= last_beat || current.window_rate == 0.0);
last_beat = current.beat;
if (current.beat < skip_until_beat) {
print_status(¤t, skip_until_beat, '.', actuator_count, controls);
continue;
}
/*printf("Current beat: %lld, tag: %d, window: %lld, window_rate: %f\n",
current.beat, current.tag, window_size, current.window_rate);*/
decision_f(¤t, actuator_count, controls);
acted = 0;
for (i = 0; i < actuator_count; i++) {
actuator_t *act = &controls[i];
if (act->set_value != act->value) {
#if DEBUG
printf("act %d: %d -> %d\n", i, act->value, act->set_value);
#endif
err = act->action_f(act); /* TODO: handle error */
if (err) fprintf(stderr, "action %d failed: %s\n", act->id, strerror(errno));
acted = 1;
}
}
/* this is horrible but necessary */
controls[0].value = get_current_speed(&controls[0]);
skip_until_beat = current.beat + (acted ? window_size : 1);
print_status(¤t, skip_until_beat, acted ? '*' : '=', actuator_count, controls);
} while (current.beat < max_beats);
heart_rate_monitor_finish(&hrm);
return 0;
fail:
return 1;
}
/* here are some globals without lexical scoping, just to mix things up! */
int actuator_count;
actuator_t *controls;
