void cpu_linux::parse_pstates_end(void)
{
char filename[256];
ifstream file;
sprintf(filename, "/sys/devices/system/cpu/cpu%i/cpufreq/stats/time_in_state", number);
file.open(filename, ios::in);
if (file) {
char line[1024];
while (file) {
uint64_t f,count;
char *c;
memset(line, 0, 1024);
file.getline(line, 1024);
f = strtoull(line, &c, 10);
if (!c)
break;
count = strtoull(c, NULL, 10);
if (f > 0)
finalize_pstate(f, count, 1);
}
file.close();
}
}
void abstract_cpu::measurement_end(void)
{
unsigned int i, j;
total_stamp = 0;
gettimeofday(&stamp_after, NULL);
for (i = 0; i < children.size(); i++)
if (children[i])
children[i]->wiggle();
time_factor = 1000000.0 * (stamp_after.tv_sec - stamp_before.tv_sec) + stamp_after.tv_usec - stamp_before.tv_usec;
for (i = 0; i < children.size(); i++)
if (children[i])
children[i]->measurement_end();
for (i = 0; i < children.size(); i++)
if (children[i]) {
for (j = 0; j < children[i]->cstates.size(); j++) {
struct idle_state *state;
state = children[i]->cstates[j];
if (!state)
continue;
update_cstate( state->linux_name, state->human_name, state->usage_before, state->duration_before, state->before_count);
finalize_cstate(state->linux_name, state->usage_after, state->duration_after, state->after_count);
}
for (j = 0; j < children[i]->pstates.size(); j++) {
struct frequency *state;
state = children[i]->pstates[j];
if (!state)
continue;
update_pstate( state->freq, state->human_name, state->time_before, state->before_count);
finalize_pstate(state->freq, state->time_after, state->after_count);
}
}
for (i = 0; i < cstates.size(); i++) {
struct idle_state *state = cstates[i];
if (state->after_count == 0) {
cout << "after count is 0 " << state->linux_name << "\n";
continue;
}
if (state->after_count != state->before_count) {
cout << "count mismatch " << state->after_count << " " << state->before_count << " on cpu " << number << "\n";
continue;
}
state->usage_delta = (state->usage_after - state->usage_before) / state->after_count;
state->duration_delta = (state->duration_after - state->duration_before) / state->after_count;
}
}
void nhm_package::measurement_end(void)
{
uint64_t time_delta;
double ratio;
unsigned int i, j;
for (i = 0; i < children.size(); i++)
if (children[i])
children[i]->wiggle();
if (this->has_c2c7_res)
c2_after = get_msr(number, MSR_PKG_C2_RESIDENCY);
if (this->has_c3_res)
c3_after = get_msr(number, MSR_PKG_C3_RESIDENCY);
c6_after = get_msr(number, MSR_PKG_C6_RESIDENCY);
if (this->has_c2c7_res)
c7_after = get_msr(number, MSR_PKG_C7_RESIDENCY);
if (has_c8c9c10_res) {
c8_after = get_msr(number, MSR_PKG_C8_RESIDENCY);
c9_after = get_msr(number, MSR_PKG_C9_RESIDENCY);
c10_after = get_msr(number, MSR_PKG_C10_RESIDENCY);
}
tsc_after = get_msr(first_cpu, MSR_TSC);
gettimeofday(&stamp_after, NULL);
time_factor = 1000000.0 * (stamp_after.tv_sec - stamp_before.tv_sec) + stamp_after.tv_usec - stamp_before.tv_usec;
if (this->has_c2c7_res)
finalize_cstate("pkg c2", 0, c2_after, 1);
if (this->has_c3_res)
finalize_cstate("pkg c3", 0, c3_after, 1);
finalize_cstate("pkg c6", 0, c6_after, 1);
if (this->has_c2c7_res)
finalize_cstate("pkg c7", 0, c7_after, 1);
if (has_c8c9c10_res) {
finalize_cstate("pkg c8", 0, c8_after, 1);
finalize_cstate("pkg c9", 0, c9_after, 1);
finalize_cstate("pkg c10", 0, c10_after, 1);
}
for (i = 0; i < children.size(); i++)
if (children[i])
children[i]->measurement_end();
time_delta = 1000000 * (stamp_after.tv_sec - stamp_before.tv_sec) + stamp_after.tv_usec - stamp_before.tv_usec;
ratio = 1.0 * time_delta / (tsc_after - tsc_before);
for (i = 0; i < cstates.size(); i++) {
struct idle_state *state = cstates[i];
if (state->after_count == 0) {
cout << "after count is 0\n";
continue;
}
if (state->after_count != state->before_count) {
cout << "count mismatch\n";
continue;
}
state->usage_delta = ratio * (state->usage_after - state->usage_before) / state->after_count;
state->duration_delta = ratio * (state->duration_after - state->duration_before) / state->after_count;
}
for (i = 0; i < children.size(); i++)
if (children[i]) {
for (j = 0; j < children[i]->pstates.size(); j++) {
struct frequency *state;
state = children[i]->pstates[j];
if (!state)
continue;
update_pstate( state->freq, state->human_name, state->time_before, state->before_count);
finalize_pstate(state->freq, state->time_after, state->after_count);
}
}
total_stamp = 0;
}
void cpu_linux::measurement_end(void)
{
DIR *dir;
struct dirent *entry;
char filename[256];
ifstream file;
int len;
len = sprintf(filename, "/sys/devices/system/cpu/cpu%i/cpuidle", number);
dir = opendir(filename);
if (!dir)
return;
/* For each C-state, there is a stateX directory which
* contains a 'usage' and a 'time' (duration) file */
while ((entry = readdir(dir))) {
char linux_name[64];
char human_name[64];
uint64_t usage = 0;
uint64_t duration = 0;
if (strlen(entry->d_name) < 3)
continue;
strcpy(linux_name, entry->d_name);
strcpy(human_name, linux_name);
sprintf(filename + len, "/%s/usage", entry->d_name);
file.open(filename, ios::in);
if (file) {
file >> usage;
file.close();
}
sprintf(filename + len, "/%s/time", entry->d_name);
file.open(filename, ios::in);
if (file) {
file >> duration;
file.close();
}
finalize_cstate(linux_name, usage, duration, 1);
}
closedir(dir);
sprintf(filename, "/sys/devices/system/cpu/cpu%i/cpufreq/stats/time_in_state", number);
file.open(filename, ios::in);
if (file) {
char line[1024];
while (file) {
uint64_t f,count;
char *c;
memset(line, 0, 1024);
file.getline(line, 1024);
f = strtoull(line, &c, 10);
if (!c)
break;
count = strtoull(c, NULL, 10);
if (f > 0)
finalize_pstate(f, count, 1);
}
file.close();
}
abstract_cpu::measurement_end();
}
void nhm_core::measurement_end(void)
{
unsigned int i;
uint64_t time_delta;
double ratio;
if (this->has_c1_res)
c1_after = get_msr(first_cpu, MSR_CORE_C1_RESIDENCY);
if (this->has_c3_res)
c3_after = get_msr(first_cpu, MSR_CORE_C3_RESIDENCY);
c6_after = get_msr(first_cpu, MSR_CORE_C6_RESIDENCY);
if (this->has_c7_res)
c7_after = get_msr(first_cpu, MSR_CORE_C7_RESIDENCY);
tsc_after = get_msr(first_cpu, MSR_TSC);
if (this->has_c1_res)
finalize_cstate("core c1", 0, c1_after, 1);
if (this->has_c3_res)
finalize_cstate("core c3", 0, c3_after, 1);
finalize_cstate("core c6", 0, c6_after, 1);
if (this->has_c7_res)
finalize_cstate("core c7", 0, c7_after, 1);
gettimeofday(&stamp_after, NULL);
time_factor = 1000000.0 * (stamp_after.tv_sec - stamp_before.tv_sec) + stamp_after.tv_usec - stamp_before.tv_usec;
for (i = 0; i < children.size(); i++)
if (children[i]) {
children[i]->measurement_end();
children[i]->wiggle();
}
time_delta = 1000000 * (stamp_after.tv_sec - stamp_before.tv_sec) + stamp_after.tv_usec - stamp_before.tv_usec;
ratio = 1.0 * time_delta / (tsc_after - tsc_before);
for (i = 0; i < cstates.size(); i++) {
struct idle_state *state = cstates[i];
if (state->after_count == 0) {
cout << "after count is 0\n";
continue;
}
if (state->after_count != state->before_count) {
cout << "count mismatch\n";
continue;
}
state->usage_delta = ratio * (state->usage_after - state->usage_before) / state->after_count;
state->duration_delta = ratio * (state->duration_after - state->duration_before) / state->after_count;
}
#if 0
for (i = 0; i < children.size(); i++)
if (children[i]) {
for (j = 0; j < children[i]->pstates.size(); j++) {
struct frequency *state;
state = children[i]->pstates[j];
if (!state)
continue;
update_pstate( state->freq, state->human_name, state->time_before, state->before_count);
finalize_pstate(state->freq, state->time_after, state->after_count);
}
}
#endif
total_stamp = 0;
}
