void cthd_cdev_rapl_msr::set_curr_state(int state, int arg)
{
int new_state;
if (!control_start && state == inc_dec_val) {
thd_log_debug("rapl state control begin\n");
rapl.store_pkg_power_limit();
control_start = true;
}
if (state < inc_dec_val)
{
new_state = 0;
curr_state = 0;
}
else
{
new_state = phy_max - state;
curr_state = state;
thd_log_debug("rapl state = %d new_state = %d\n", state, new_state);
rapl.set_pkg_power_limit(1, new_state); //thd_engine->def_poll_interval/1000 - 1, new_state);
}
if (state < inc_dec_val) {
thd_log_debug("rapl state control end\n");
rapl.restore_pkg_power_limit();
control_start = false;
}
}
// Callback function called to get value via dbus
gboolean thd_dbus_interface_get_current_preference(PrefObject *obj, gdouble
*value_out, GError **error)
{
thd_log_debug("thd_dbus_interface_get_current_preference\n");
g_assert(obj != NULL);
cthd_preference thd_pref;
value_out = (gdouble*)thd_pref.get_preference_cstr();
thd_log_debug("thd_dbus_interface_get_current_preference out :%s\n", (char*)
value_out);
return TRUE;
}
int cthd_nl_wrapper::genl_parse_event_message(const struct sockaddr_nl *who,
struct nlmsghdr *n, void *arg)
{
struct rtattr *tb[ACPI_GENL_ATTR_MAX + 1];
struct genlmsghdr *ghdr = (struct genlmsghdr *)NLMSG_DATA(n);
int len = n->nlmsg_len;
struct rtattr *attrs;
if (n->nlmsg_type != acpi_event_family_id) {
fprintf(stderr, "Not a acpi event message, nlmsg_len=%d "
"nlmsg_type=0x%x\n", n->nlmsg_len, n->nlmsg_type);
return 0;
}
len -= NLMSG_LENGTH(GENL_HDRLEN);
if (len < 0) {
fprintf(stderr, "wrong controller message len %d\n", len);
return -1;
}
attrs = (struct rtattr *)((char *)ghdr + GENL_HDRLEN);
parse_rtattr(tb, ACPI_GENL_ATTR_MAX, attrs, len);
if (tb[ACPI_GENL_ATTR_EVENT]) {
struct acpi_genl_event *event =
(struct acpi_genl_event *)RTA_DATA(tb[ACPI_GENL_ATTR_EVENT]);
if (!strcmp(event->device_class, "thermal_zone")) {
thermal_zone_notify_t msg;
char *zone_str;
msg.zone = 0;
if (!strncmp(event->bus_id, "LNXTHERM:", strlen("LNXTHERM:")))
{
zone_str = event->bus_id + strlen("LNXTHERM:");
sscanf(zone_str, "%d", &msg.zone);
thd_log_debug("matched %s\n", zone_str);
}
msg.type = event->type;
msg.data = event->data;
thd_engine->send_message(THERMAL_ZONE_NOTIFY, sizeof(msg), (unsigned char*)&msg);
thd_log_debug("%15s[zone %d] %08x %08x\n", event->bus_id,
msg.zone, event->type, event->data);
}
return 0;
}
return -1;
}
int cthd_msr::get_clock_mod_duty_cycle() {
int ret, state = 0;
unsigned long long val;
// Just get for cpu 0 and return
ret = read_msr(0, MSR_IA32_THERM_CONTROL, &val);
thd_log_debug("get_clock_mod_duty_cycle current %x\n", (unsigned int) val);
if (ret < 0)
return THD_ERROR;
if (val & MSR_IA32_CLK_MOD_ENABLE) {
state = val & MSR_IA32_CLK_MOD_DUTY_CYCLE_MASK;
state = state >> 1;
thd_log_debug("current state %x\n", state);
}
int cthd_topology::check_temperature(int index)
{
ssize_t retval;
char pathname[64];
char temp_str[10];
int fd;
unsigned int temperature;
int current_moving_average;
if(index >= no_sensors)
return 0;
sprintf(pathname, "/sys/devices/platform/coretemp.0/temp%d_input", index);
fd = open(pathname, O_RDONLY);
if(fd < 0)
return - 1;
retval = pread(fd, temp_str, sizeof(temp_str), 0);
temperature = atoi(temp_str);
current_moving_average = moving_average(temp_data, index, temperature);
temp_data[index].last_moving_average = current_moving_average;
thd_log_debug("DTS sensor %d mov average %u \n", index, current_moving_average)
;
close(fd);
return temperature;
}
void cthd_sysfs_cdev_rapl::set_curr_state_raw(int state, int arg) {
std::stringstream state_str;
std::stringstream tc_state_dev;
int new_state;
if (state <= min_state)
new_state = phy_max;
else {
if (dynamic_phy_max_enable) {
if (!calculate_phy_max()) {
curr_state = state;
return;
}
}
new_state = phy_max - state;
}
curr_state = state;
state_str << new_state;
tc_state_dev << "constraint_" << constraint_index << "_power_limit_uw";
if (cdev_sysfs.write(tc_state_dev.str(), state_str.str()) < 0)
curr_state = (state == 0) ? 0 : max_state;
thd_log_debug("set cdev state raw index %d state %d wr:%d\n", index, state,
new_state);
}
bool cthd_parse::platform_matched()
{
csys_fs thd_sysfs("/sys/class/dmi/id/");
if (thd_sysfs.exists(std::string("product_uuid"))) {
thd_log_debug("checking UUID\n");
std::string str;
if(thd_sysfs.read("product_uuid", str) >= 0) {
thd_log_info("UUID is [%s]\n", str.c_str());
for (unsigned int i=0; i<thermal_info_list.size(); ++i) {
if (thermal_info_list[i].uuid == str) {
matched_thermal_info_index = i;
thd_log_info("Product UUID matched \n");
return true;
}
}
}
}
if (thd_sysfs.exists(std::string("product_name"))) {
thd_log_debug("checking product name\n");
char product_name[128];
// Use different read method as the product name contains spaces
if(thd_sysfs.read("product_name", product_name, 127) >= 0) {
product_name[127] = '\0';
int len = strlen(product_name);
if (!len)
return false;
for (int i=0; i<len; ++i)
if (product_name[i] == '\n')
product_name[i] = '\0';
thd_log_info("product name is[%s]\n", product_name);
for (unsigned int i=0; i<thermal_info_list.size(); ++i) {
if (!thermal_info_list[i].product_name.size())
continue;
if (thermal_info_list[i].product_name.compare(0, strlen(product_name), product_name) == 0) {
matched_thermal_info_index = i;
thd_log_info("Product Name matched \n");
return true;
}
}
}
}
return false;
}
int cthd_cdev_rapl_msr::update()
{
int ret;
if (!rapl.pkg_domain_present())
return THD_ERROR;
if (!rapl.pp0_domain_present())
return THD_ERROR;
if (rapl.get_power_unit() < 0)
return THD_ERROR;
if (rapl.get_time_unit() < 0)
return THD_ERROR;
ret = rapl.get_pkg_power_info(&thermal_spec_power, &max_power, &min_power, &max_time_window);
if (ret < 0)
return ret;
thd_log_debug("Pkg Power Info: Thermal spec %f watts, max %f watts, min %f watts, max time window %f seconds\n", thermal_spec_power, max_power, min_power, max_time_window);
max_state = 0;
if (thermal_spec_power > 0)
phy_max = (int)thermal_spec_power * 1000; // change to milliwatts
else if(max_power > 0)
phy_max = (int)max_power * 1000; // // change to milliwatts
else
return THD_ERROR;
set_inc_dec_value(phy_max * (float)rapl_power_dec_percent/100);
if (inc_dec_val == 0)
set_inc_dec_value(phy_max * (float)rapl_power_dec_percent*2/100);
if (inc_dec_val == 0) // power limit is too small
inc_dec_val = 1;
max_state = phy_max - ((float)phy_max * rapl_low_limit_percent/100);
thd_log_debug("RAPL phy_max %d max_state %d inc_dec %d \n", phy_max, max_state, inc_dec_val);
return THD_SUCCESS;
}
cthd_trip_point::cthd_trip_point(int _index, trip_point_type_t _type, unsigned
int _temp, unsigned int _hyst, int _zone_id, int _sensor_id,
trip_control_type_t _control_type) :
index(_index), type(_type), temp(_temp), hyst(_hyst), control_type(
_control_type), zone_id(_zone_id), sensor_id(_sensor_id), trip_on(
false), poll_on(false) {
thd_log_debug("Add trip pt %d:%d:0x%x:%d:%d\n", type, zone_id, sensor_id,
temp, hyst);
}
// Callback function called to inform a sent value via dbus
gboolean thd_dbus_interface_set_current_preference(PrefObject *obj, gint
*value_out, GError **error)
{
int ret;
thd_log_debug("thd_dbus_interface_set_current_preference %s\n", (char*)
value_out);
g_assert(obj != NULL);
cthd_preference thd_pref;
ret = thd_pref.set_preference((char*)value_out);
thd_engine->send_message(PREF_CHANGED, 0, NULL);
}
bool cthd_sysfs_cdev_rapl::calculate_phy_max() {
if (dynamic_phy_max_enable) {
unsigned int curr_max_phy;
curr_max_phy = thd_engine->rapl_power_meter.rapl_action_get_power(
PACKAGE);
thd_log_debug("curr_phy_max = %u \n", curr_max_phy);
if (curr_max_phy < rapl_min_default_step)
return false;
if (phy_max < curr_max_phy) {
phy_max = curr_max_phy;
set_inc_dec_value(phy_max * (float) rapl_power_dec_percent / 100);
max_state = phy_max;
max_state -= (float) max_state * rapl_low_limit_percent / 100;
thd_log_debug("PHY_MAX %lu, step %d, max_state %d\n", phy_max,
inc_dec_val, max_state);
}
}
return true;
}
// Callback function called to get value via dbus
gboolean thd_dbus_interface_get_current_preference(PrefObject *obj,
gchar **pref_out, GError **error) {
thd_log_debug("thd_dbus_interface_get_current_preference\n");
g_assert(obj != NULL);
gchar *value_out;
static char *pref_str;
pref_str = g_new(char, MAX_DBUS_REPLY_STR_LEN);
if (!pref_str)
return FALSE;
cthd_preference thd_pref;
value_out = (gchar*) thd_pref.get_preference_cstr();
strncpy(pref_str, value_out, MAX_DBUS_REPLY_STR_LEN);
thd_log_debug("thd_dbus_interface_get_current_preference out :%s\n",
pref_str);
*pref_out = pref_str;
return TRUE;
}
gboolean thd_dbus_interface_set_user_max_temperature(PrefObject *obj,
gchar *zone_name, gchar *temperature, GError **error) {
thd_log_debug("thd_dbus_interface_set_user_set_point %s:%s\n", zone_name,
temperature);
g_assert(obj != NULL);
cthd_preference thd_pref;
if (thd_engine->thd_engine_set_user_max_temp(zone_name,
(char*) temperature) == THD_SUCCESS)
thd_engine->send_message(PREF_CHANGED, 0, NULL);
return TRUE;
}
int cthd_msr::set_clock_mod_duty_cycle(int state) {
int cpu_count = get_no_cpus();
unsigned long long val;
int ret;
thd_log_info("Set T stated %d \n", state);
// First bit is reserved
state = state << 1;
for (int i = 0; i < cpu_count; ++i) {
ret = read_msr(i, MSR_IA32_THERM_CONTROL, &val);
if (ret < 0) {
thd_log_debug("set_clock_mod_duty_cycle current MSR read failed\n");
return THD_ERROR;
}
thd_log_debug("set_clock_mod_duty_cycle current %x\n",
(unsigned int) val);
if (!state) {
val &= ~MSR_IA32_CLK_MOD_ENABLE;
} else {
val |= MSR_IA32_CLK_MOD_ENABLE;
}
val &= ~MSR_IA32_CLK_MOD_DUTY_CYCLE_MASK;
val |= (state & MSR_IA32_CLK_MOD_DUTY_CYCLE_MASK);
thd_log_debug("set_clock_mod_duty_cycle current set to %x\n",
(unsigned int) val);
ret = write_msr(i, MSR_IA32_THERM_CONTROL, val);
if (ret < 0) {
thd_log_warn(
"set_clock_mod_duty_cycle current set failed to write\n");
return THD_ERROR;
}
}
return THD_SUCCESS;
}
int cthd_cdev::thd_cdev_set_min_state(int zone_id) {
zone_mask &= ~(1 << zone_id);
if (zone_mask != 0) {
thd_log_debug(
"skip to reduce current state as this is controlled by two zone actions and one is still on %x\n",
(unsigned int) zone_mask);
return THD_SUCCESS;
}
trend_increase = false;
set_curr_state(min_state, zone_id);
return THD_SUCCESS;
}
void cthd_zone::thermal_zone_temp_change(int id, unsigned int temp, int pref) {
int i, count;
bool updated_max = false;
bool reset = false;
count = trip_points.size();
for (i = count - 1; i >= 0; --i) {
cthd_trip_point &trip_point = trip_points[i];
if (trip_point.get_trip_type() == MAX) {
thd_model.add_sample(zone_temp);
if (thd_model.is_set_point_reached()) {
int set_point;
set_point = thd_model.get_set_point();
thd_log_debug("new set point %d \n", set_point);
trip_point.thd_trip_update_set_point(set_point);
updated_max = true;
}
}
trip_point.thd_trip_point_check(id, temp, pref, &reset);
// Force all cooling devices to min state
if (reset) {
zone_reset();
break;
}
}
// Re-adjust polling thresholds
if (updated_max) {
for (i = count - 1; i >= 0; --i) {
cthd_trip_point &trip_point = trip_points[i];
if (trip_point.get_trip_type() == POLLING) {
thd_log_debug("new poll point %d \n",
thd_model.get_hot_zone_trigger_point());
trip_point.thd_trip_update_set_point(
thd_model.get_hot_zone_trigger_point());
trip_point.thd_trip_point_check(id, temp, pref, &reset);
}
}
}
}
unsigned int cthd_zone_dts_sensor::read_cpu_mask()
{
std::stringstream filename;
unsigned int mask = 0;
filename << TDCONFDIR << "/" << "dts_" << index << "_sensor_mask.conf";
thd_log_debug("read_cpu_mask file name %s\n", filename.str().c_str());
std::ifstream ifs(filename.str().c_str(), std::ifstream::in);
if(ifs.good())
{
ifs >> mask;
conf_present = true;
}
void cthd_trip_point::thd_trip_cdev_state_reset() {
thd_log_info("thd_trip_cdev_state_reset \n");
for (int i = cdevs.size() - 1; i >= 0; --i) {
cthd_cdev *cdev = cdevs[i].cdev;
thd_log_info("thd_trip_cdev_state_reset index %d:%s\n",
cdev->thd_cdev_get_index(), cdev->get_cdev_type().c_str());
if (cdev->in_min_state()) {
thd_log_debug("Need to switch to next cdev \n");
// No scope of control with this cdev
continue;
}
cdev->thd_cdev_set_min_state(zone_id);
}
}
cthd_rapl_power_meter::cthd_rapl_power_meter(unsigned int mask) :
rapl_present(true), rapl_sysfs("/sys/class/powercap/intel-rapl/"), domain_list(
0), last_time(0), poll_thread(0), measure_mask(mask), enable_measurement(
false) {
if (rapl_sysfs.exists()) {
thd_log_debug("RAPL sysfs present \n");
rapl_present = true;
last_time = time(NULL);
rapl_read_domains(rapl_sysfs.get_base_path());
} else {
thd_log_warn("NO RAPL sysfs present \n");
rapl_present = false;
}
}
int cthd_zone_surface::read_trip_points() {
cthd_trip_point *trip_ptr = NULL;
bool add = false;
if (!sensor)
return THD_ERROR;
for (unsigned int j = 0; j < trip_points.size(); ++j) {
if (trip_points[j].get_trip_type() == PASSIVE) {
thd_log_debug("updating existing trip temp \n");
trip_points[j].update_trip_temp(passive_trip_temp);
trip_points[j].update_trip_hyst(passive_trip_hyst);
trip_ptr = &trip_points[j];
break;
}
}
if (!trip_ptr) {
trip_ptr = new cthd_trip_point(trip_points.size(), PASSIVE,
passive_trip_temp, passive_trip_hyst, index,
sensor->get_index(), SEQUENTIAL);
if (!trip_ptr) {
thd_log_warn("Mem alloc error for new trip \n");
return THD_ERROR;
}
add = true;
}
cthd_cdev *cdev = thd_engine->search_cdev("rapl_controller");
if (cdev) {
trip_ptr->thd_trip_point_add_cdev(*cdev,
cthd_trip_point::default_influence, surface_sampling_period);
}
cdev = thd_engine->search_cdev("intel_powerclamp");
if (cdev) {
trip_ptr->thd_trip_point_add_cdev(*cdev,
cthd_trip_point::default_influence, surface_sampling_period);
}
if (add) {
trip_points.push_back(*trip_ptr);
}
return THD_SUCCESS;
}
bool cthd_sysfs_cdev_rapl::read_ppcc_power_limits() {
csys_fs sys_fs;
if (sys_fs.exists("/sys/bus/pci/devices/0000:00:04.0/power_limits/"))
sys_fs.update_path("/sys/bus/pci/devices/0000:00:04.0/power_limits/");
else if (sys_fs.exists("/sys/bus/pci/devices/0000:00:0b.0/power_limits/"))
sys_fs.update_path("/sys/bus/pci/devices/0000:00:0b.0/power_limits/");
else if (sys_fs.exists(
"/sys/bus/platform/devices/INT3401:00/power_limits/"))
sys_fs.update_path(
"/sys/bus/platform/devices/INT3401:00/power_limits/");
else
return false;
if (sys_fs.exists("power_limit_0_max_uw")) {
if (sys_fs.read("power_limit_0_max_uw", &pl0_max_pwr) <= 0)
return false;
}
if (sys_fs.exists("power_limit_0_min_uw")) {
if (sys_fs.read("power_limit_0_min_uw", &pl0_min_pwr) <= 0)
return false;
}
if (sys_fs.exists("power_limit_0_tmin_us")) {
if (sys_fs.read("power_limit_0_tmin_us", &pl0_min_window) <= 0)
return false;
}
if (sys_fs.exists("power_limit_0_step_uw")) {
if (sys_fs.read("power_limit_0_step_uw", &pl0_step_pwr) <= 0)
return false;
}
if (pl0_max_pwr && pl0_min_pwr && pl0_min_window && pl0_step_pwr) {
thd_log_debug("ppcc limits max:%u min:%u min_win:%u step:%u\n",
pl0_max_pwr, pl0_min_pwr, pl0_min_window, pl0_step_pwr);
return true;
}
return false;
}
bool cthd_preference::set_preference(const char *pref_str) {
std::string str(pref_str);
int pref = string_pref_to_int(str);
std::stringstream filename;
filename << TDRUNDIR << "/" << "thd_preference.conf";
std::ofstream fout(filename.str().c_str());
if (!fout.good()) {
return false;
}
fout << pref;
fout.close();
// Save the old preference
old_preference = preference;
std::stringstream filename_save;
filename_save << TDRUNDIR << "/" << "thd_preference.conf.save";
std::ofstream fout_save(filename_save.str().c_str());
if (!fout_save.good()) {
return false;
}
fout_save << old_preference;
fout_save.close();
std::ifstream ifs(filename.str().c_str(), std::ifstream::in);
if (!ifs.good()) {
preference = PREF_PERFORMANCE;
} else {
//ifs.read(reinterpret_cast < char * > (&preference), sizeof(preference));
ifs >> preference;
}
ifs.close();
thd_log_debug("old_preference %d new preference %d\n", old_preference,
preference);
return true;
}
void cthd_zone::update_zone_preference() {
if (!zone_active)
return;
thd_log_debug("update_zone_preference\n");
thd_model.update_user_set_max_temp();
for (unsigned int i = 0; i < sensors.size(); ++i) {
cthd_sensor *sensor;
sensor = sensors[i];
zone_temp = sensor->read_temperature();
thermal_zone_temp_change(sensor->get_index(), 0,
thd_engine->get_preference());
}
for (unsigned int i = 0; i < sensors.size(); ++i) {
cthd_sensor *sensor;
sensor = sensors[i];
zone_temp = sensor->read_temperature();
thermal_zone_temp_change(sensor->get_index(), zone_temp,
thd_engine->get_preference());
}
}
int cthd_sysfs_cdev_rapl::update() {
int i;
std::stringstream temp_str;
int _index = -1;
unsigned long constraint_phy_max;
bool ppcc = false;
std::string domain_name;
for (i = 0; i < rapl_no_time_windows; ++i) {
temp_str << "constraint_" << i << "_name";
if (cdev_sysfs.exists(temp_str.str())) {
std::string type_str;
cdev_sysfs.read(temp_str.str(), type_str);
if (type_str == "long_term") {
_index = i;
break;
}
}
}
if (_index < 0) {
thd_log_info("powercap RAPL no long term time window\n");
return THD_ERROR;
}
cdev_sysfs.read("name", domain_name);
if (domain_name == "package-0")
ppcc = read_ppcc_power_limits();
if (ppcc) {
phy_max = pl0_max_pwr;
set_inc_dec_value(pl0_step_pwr);
max_state = pl0_max_pwr - pl0_min_pwr;
} else {
temp_str.str(std::string());
temp_str << "constraint_" << _index << "_max_power_uw";
if (!cdev_sysfs.exists(temp_str.str())) {
thd_log_info("powercap RAPL no max power limit range %s \n",
temp_str.str().c_str());
return THD_ERROR;
}
if (cdev_sysfs.read(temp_str.str(), &phy_max) < 0) {
thd_log_info("powercap RAPL invalid max power limit range \n");
thd_log_info("Calculate dynamically phy_max \n");
phy_max = 0;
thd_engine->rapl_power_meter.rapl_start_measure_power();
max_state = rapl_min_default_step;
set_inc_dec_value(rapl_min_default_step);
dynamic_phy_max_enable = true;
return THD_SUCCESS;
}
std::stringstream temp_power_str;
temp_power_str.str(std::string());
temp_power_str << "constraint_" << _index << "_power_limit_uw";
if (!cdev_sysfs.exists(temp_power_str.str())) {
thd_log_info("powercap RAPL no power limit uw %s \n",
temp_str.str().c_str());
return THD_ERROR;
}
if (cdev_sysfs.read(temp_power_str.str(), &constraint_phy_max) <= 0) {
thd_log_info("powercap RAPL invalid max power limit range \n");
constraint_phy_max = 0;
}
if (constraint_phy_max > phy_max) {
thd_log_info(
"Default constraint power limit is more than max power %lu:%lu\n",
constraint_phy_max, phy_max);
phy_max = constraint_phy_max;
}
thd_log_info("powercap RAPL max power limit range %lu \n", phy_max);
set_inc_dec_value(phy_max * (float) rapl_power_dec_percent / 100);
max_state = phy_max;
max_state -= (float) max_state * rapl_low_limit_percent / 100;
}
std::stringstream time_window;
temp_str.str(std::string());
temp_str << "constraint_" << _index << "_time_window_us";
if (!cdev_sysfs.exists(temp_str.str())) {
thd_log_info("powercap RAPL no time_window_us %s \n",
temp_str.str().c_str());
return THD_ERROR;
}
if (pl0_min_window)
time_window << pl0_min_window;
else
time_window << def_rapl_time_window;
cdev_sysfs.write(temp_str.str(), time_window.str());
std::stringstream enable;
temp_str.str(std::string());
temp_str << "enabled";
if (!cdev_sysfs.exists(temp_str.str())) {
thd_log_info("powercap RAPL no enabled %s \n", temp_str.str().c_str());
return THD_ERROR;
}
cdev_sysfs.write(temp_str.str(), "0");
thd_log_debug("RAPL max limit %d increment: %d\n", max_state, inc_dec_val);
constraint_index = _index;
set_pid_param(1000, 100, 10);
return THD_SUCCESS;
}
// Setup dbus server
static int thd_dbus_server_proc(gboolean no_daemon) {
DBusGConnection *bus;
DBusGProxy *bus_proxy;
GMainLoop *main_loop;
GError *error = NULL;
guint result;
PrefObject *value_obj;
thd_engine = NULL;
// Initialize the GType/GObject system
g_type_init();
// Create a main loop that will dispatch callbacks
g_main_loop = main_loop = g_main_loop_new(NULL, FALSE);
if (main_loop == NULL) {
thd_log_error("Couldn't create GMainLoop:");
return THD_FATAL_ERROR;
}
if (dbus_enable) {
bus = dbus_g_bus_get(DBUS_BUS_SYSTEM, &error);
if (error != NULL) {
thd_log_error("Couldn't connect to session bus: %s:",
error->message);
return THD_FATAL_ERROR;
}
// Get a bus proxy instance
bus_proxy = dbus_g_proxy_new_for_name(bus, DBUS_SERVICE_DBUS,
DBUS_PATH_DBUS, DBUS_INTERFACE_DBUS);
if (bus_proxy == NULL) {
thd_log_error("Failed to get a proxy for D-Bus:");
return THD_FATAL_ERROR;
}
thd_log_debug("Registering the well-known name (%s)\n",
THD_SERVICE_NAME);
// register the well-known name
if (!dbus_g_proxy_call(bus_proxy, "RequestName", &error, G_TYPE_STRING,
THD_SERVICE_NAME, G_TYPE_UINT, 0, G_TYPE_INVALID, G_TYPE_UINT,
&result, G_TYPE_INVALID)) {
thd_log_error("D-Bus.RequestName RPC failed: %s\n", error->message);
return THD_FATAL_ERROR;
}
thd_log_debug("RequestName returned %d.\n", result);
if (result != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) {
thd_log_error("Failed to get the primary well-known name:");
return THD_FATAL_ERROR;
}
value_obj = (PrefObject*) g_object_new(PREF_TYPE_OBJECT, NULL);
if (value_obj == NULL) {
thd_log_error("Failed to create one Value instance:");
return THD_FATAL_ERROR;
}
thd_log_debug("Registering it on the D-Bus.\n");
dbus_g_connection_register_g_object(bus, THD_SERVICE_OBJECT_PATH,
G_OBJECT(value_obj));
}
if (!no_daemon) {
printf("Ready to serve requests: Daemonizing.. %d\n", thd_daemonize);
thd_log_info(
"thermald ver %s: Ready to serve requests: Daemonizing..\n",
TD_DIST_VERSION);
if (daemon(0, 1) != 0) {
thd_log_error("Failed to daemonize.\n");
return THD_FATAL_ERROR;
}
}
thd_engine = new cthd_engine_default();
if (exclusive_control)
thd_engine->set_control_mode(EXCLUSIVE);
// Initialize thermald objects
thd_engine->set_poll_interval(thd_poll_interval);
if (thd_engine->thd_engine_start(ignore_cpuid_check) != THD_SUCCESS) {
thd_log_error("THD engine start failed: ");
closelog();
exit(1);
}
// Start service requests on the D-Bus
thd_log_debug("Start main loop\n");
g_main_loop_run(main_loop);
thd_log_warn("Oops g main loop exit..\n");
return THD_SUCCESS;
}
int cthd_cdev::thd_cdev_exponential_controller(int set_point, int target_temp,
int temperature, int state, int zone_id) {
curr_state = get_curr_state();
if ((min_state < max_state && curr_state < min_state)
|| (min_state > max_state && curr_state > min_state))
curr_state = min_state;
max_state = get_max_state();
thd_log_debug("thd_cdev_set_%d:curr state %d max state %d\n", index,
curr_state, max_state);
if (state) {
if ((min_state < max_state && curr_state < max_state)
|| (min_state > max_state && curr_state > max_state)) {
int state = curr_state + inc_dec_val;
if (trend_increase) {
if (curr_pow == 0)
base_pow_state = curr_state;
++curr_pow;
state = base_pow_state + int_2_pow(curr_pow) * inc_dec_val;
thd_log_info(
"cdev index:%d consecutive call, increment exponentially state %d\n",
index, state);
if ((min_state < max_state && state >= max_state)
|| (min_state > max_state && state <= max_state)) {
state = max_state;
curr_pow = 0;
curr_state = max_state;
}
} else {
curr_pow = 0;
}
trend_increase = true;
if ((min_state < max_state && state > max_state)
|| (min_state > max_state && state < max_state))
state = max_state;
thd_log_debug("op->device:%s %d\n", type_str.c_str(), state);
set_curr_state(state, zone_id);
}
} else {
curr_pow = 0;
trend_increase = false;
if (((min_state < max_state && curr_state > min_state)
|| (min_state > max_state && curr_state < min_state))
&& auto_down_adjust == false) {
int state = curr_state - inc_dec_val;
if ((min_state < max_state && state < min_state)
|| (min_state > max_state && state > min_state))
state = min_state;
thd_log_debug("op->device:%s %d\n", type_str.c_str(), state);
set_curr_state(state, zone_id);
} else {
thd_log_debug("op->device: force min %s %d\n", type_str.c_str(),
min_state);
set_curr_state(min_state, zone_id);
}
}
thd_log_info(
"Set : threshold:%d, temperature:%d, cdev:%d(%s), curr_state:%d, max_state:%d\n",
set_point, temperature, index, type_str.c_str(), get_curr_state(),
max_state);
thd_log_debug("<<thd_cdev_set_state %d\n", state);
return THD_SUCCESS;
}
bool cthd_rapl_power_meter::rapl_energy_loop() {
csys_fs sys_fs;
int status;
unsigned long long counter;
unsigned long long diff;
time_t curr_time;
if (!enable_measurement)
return false;
curr_time = time(NULL);
if ((curr_time - last_time) <= 0)
return true;
for (unsigned int i = 0; i < domain_list.size(); ++i) {
std::string buffer;
std::string path;
if (!domain_list[i].max_energy_range) {
std::string _path;
std::string _buffer;
_path = domain_list[i].path + "/" + "max_energy_range_uj";
status = sys_fs.read(_path, _buffer);
if (status >= 0)
domain_list[i].max_energy_range = atoll(_buffer.c_str()) / 1000;
domain_list[i].max_energy_range_threshold =
domain_list[i].max_energy_range / 2;
}
path = domain_list[i].path + "/" + "energy_uj";
status = sys_fs.read(path, buffer);
if (status >= 0) {
counter = domain_list[i].energy_counter;
domain_list[i].energy_counter = atoll(buffer.c_str()) / 1000; // To milli Js
diff = 0;
if (domain_list[i].half_way
&& domain_list[i].energy_counter
< domain_list[i].max_energy_range_threshold) {
// wrap around
domain_list[i].energy_cumulative_counter +=
domain_list[i].max_energy_range;
diff = domain_list[i].max_energy_range - counter;
counter = 0;
domain_list[i].half_way = 0;
} else if (domain_list[i].energy_counter
> domain_list[i].max_energy_range_threshold)
domain_list[i].half_way = 1;
if (counter)
domain_list[i].power = (domain_list[i].energy_counter - counter
+ diff) / (curr_time - last_time);
if (domain_list[i].power > domain_list[i].max_power)
domain_list[i].max_power = domain_list[i].power;
if (domain_list[i].min_power == 0)
domain_list[i].min_power = domain_list[i].power;
else if (domain_list[i].power < domain_list[i].min_power)
domain_list[i].min_power = domain_list[i].power;
thd_log_debug(" energy %d:%lld:%lld mj: %u mw \n",
domain_list[i].type,
domain_list[i].energy_cumulative_counter,
domain_list[i].energy_counter
+ domain_list[i].energy_cumulative_counter,
domain_list[i].power);
}
}
last_time = curr_time;
return true;
}
cthd_zone::cthd_zone(int _index, std::string control_path, sensor_relate_t rel) :
index(_index), zone_sysfs(control_path.c_str()), zone_temp(0), zone_active(
false), zone_cdev_binded_status(false), type_str(), sensor_rel(
rel), thd_model("") {
thd_log_debug("Added zone index:%d \n", index);
}
int cthd_cdev::thd_cdev_set_state(int set_point, int target_temp,
int temperature, int state, int zone_id, int trip_id,
int target_value) {
time_t tm;
int ret;
time(&tm);
thd_log_debug(">>thd_cdev_set_state index:%d state:%d :%d:%d:%d\n", index,
state, zone_id, trip_id, target_value);
if (last_state == state && (tm - last_action_time) <= debounce_interval) {
thd_log_debug(
"Ignore: delay < debounce interval : %d, %d, %d, %d, %d\n",
set_point, temperature, index, get_curr_state(), max_state);
return THD_SUCCESS;
}
last_state = state;
if (state) {
zone_mask |= (1 << zone_id);
trip_mask |= (1 << trip_id);
if (target_value != TRIP_PT_INVALID_TARGET_STATE) {
zone_trip_limits_t limit;
bool found = false;
for (unsigned int i = 0; i < zone_trip_limits.size(); ++i) {
if (zone_trip_limits[i].zone == zone_id
&& zone_trip_limits[i].trip == trip_id) {
found = true;
break;
}
}
if (!found) {
limit.zone = zone_id;
limit.trip = trip_id;
limit.target_value = target_value;
thd_log_debug("Added zone %d trip %d clamp %d\n", limit.zone,
limit.trip, limit.target_value);
zone_trip_limits.push_back(limit);
std::sort(zone_trip_limits.begin(), zone_trip_limits.end(),
sort_clamp_values);
}
set_curr_state_raw(target_value, zone_id);
curr_state = target_value;
last_action_time = tm;
thd_log_info(
"Set : threshold:%d, temperature:%d, cdev:%d(%s), curr_state:%d, max_state:%d\n",
set_point, temperature, index, type_str.c_str(),
get_curr_state(), max_state);
return THD_SUCCESS;
}
} else {
if (zone_mask & (1 << zone_id)) {
if (trip_mask & (1 << trip_id)) {
trip_mask &= ~(1 << trip_id);
zone_mask &= ~(1 << zone_id);
}
}
if (zone_trip_limits.size() > 0) {
int length = zone_trip_limits.size();
int i;
// Just remove the current zone requesting to turn off
for (i = 0; i < length; ++i) {
if (zone_trip_limits[i].zone == zone_id
&& zone_trip_limits[i].trip == trip_id) {
zone_trip_limits.erase(zone_trip_limits.begin() + i);
thd_log_debug("Erased [%d: %d\n", zone_id, trip_id);
break;
}
}
zone_trip_limits_t limit;
if (zone_trip_limits.size() == 0) {
limit.target_value = get_min_state();
limit.zone = zone_id;
limit.trip = trip_id;
} else {
limit = zone_trip_limits[zone_trip_limits.size() - 1];
}
if (cmp_current_state(limit.target_value) < 0) {
thd_log_info(
"new active zone; next in line %d trip %d clamp %d\n",
limit.zone, limit.trip, limit.target_value);
set_curr_state_raw(limit.target_value, zone_id);
thd_log_info(
"Set : threshold:%d, temperature:%d, cdev:%d(%s), curr_state:%d, max_state:%d\n",
set_point, temperature, index, type_str.c_str(),
get_curr_state(), max_state);
}
return THD_SUCCESS;
} else if (zone_mask != 0 || trip_mask != 0) {
thd_log_debug(
"skip to reduce current state as this is controlled by two zone or trip actions and one is still on %lx:%lx\n",
zone_mask, trip_mask);
return THD_SUCCESS;
}
}
last_action_time = tm;
curr_state = get_curr_state();
if (curr_state == get_min_state()) {
control_begin();
}
if (pid_enable) {
pid_ctrl.set_target_temp(target_temp);
ret = pid_ctrl.pid_output(temperature);
ret += get_curr_state();
if (ret > get_max_state())
ret = get_max_state();
if (ret < get_min_state())
ret = get_min_state();
set_curr_state_raw(ret, zone_id);
thd_log_debug("Set : %d, %d, %d, %d, %d\n", set_point, temperature,
index, get_curr_state(), max_state);
ret = THD_SUCCESS;
} else {
ret = thd_cdev_exponential_controller(set_point, target_temp,
temperature, state, zone_id);
}
if (curr_state == get_max_state()) {
control_end();
}
return ret;
}
void cthd_rapl_power_meter::rapl_read_domains(const char *dir_name) {
int count = 0;
csys_fs sys_fs;
if (rapl_present) {
DIR *dir;
struct dirent *dir_entry;
thd_log_debug("RAPL base path %s\n", dir_name);
if ((dir = opendir(dir_name)) != NULL) {
while ((dir_entry = readdir(dir)) != NULL) {
std::string buffer;
std::stringstream path;
int status;
rapl_domain_t domain;
domain.half_way = 0;
domain.energy_counter = 0;
domain.energy_cumulative_counter = 0;
domain.max_energy_range = 0;
domain.max_energy_range_threshold = 0;
domain.power = 0;
domain.max_power = 0;
domain.min_power = 0;
domain.type = PACKAGE;
if (!strcmp(dir_entry->d_name, ".")
|| !strcmp(dir_entry->d_name, ".."))
continue;
thd_log_debug("RAPL domain dir %s\n", dir_entry->d_name);
path << dir_name << dir_entry->d_name << "/" << "name";
if (!sys_fs.exists(path.str())) {
thd_log_debug(" %s doesn't exist\n", path.str().c_str());
continue;
}
status = sys_fs.read(path.str(), buffer);
if (status < 0)
continue;
thd_log_debug("name %s\n", buffer.c_str());
if (fnmatch("package-*", buffer.c_str(), 0) == 0) {
domain.type = PACKAGE;
std::stringstream path;
path << dir_name << dir_entry->d_name << "/";
rapl_read_domains(path.str().c_str());
} else if (buffer == "core") {
domain.type = CORE;
} else if (buffer == "uncore") {
domain.type = UNCORE;
} else if (buffer == "dram") {
domain.type = DRAM;
}
if (measure_mask & domain.type) {
domain.name = buffer;
domain.path = std::string(dir_name)
+ std::string(dir_entry->d_name);
domain_list.push_back(domain);
++count;
}
}
closedir(dir);
} else {
thd_log_debug("opendir failed %s :%s\n", strerror(errno),
rapl_sysfs.get_base_path());
}
}
thd_log_info("RAPL domain count %d\n", count);
}
