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-rw-r--r--thermalCommon.cpp108
-rw-r--r--thermalCommon.h16
-rw-r--r--thermalConfig.cpp2
-rw-r--r--thermalUtils.cpp39
4 files changed, 91 insertions, 74 deletions
diff --git a/thermalCommon.cpp b/thermalCommon.cpp
index 2a3ec38..638b3b6 100644
--- a/thermalCommon.cpp
+++ b/thermalCommon.cpp
@@ -113,14 +113,14 @@ static int writeToFile(std::string_view path, std::string data)
return -1;
}
-static int readLineFromFile(std::string_view path, std::string *out)
+static int readLineFromFile(std::string_view path, std::string& out)
{
char *fgets_ret;
FILE *fd;
int rv;
char buf[MAX_LENGTH];
- out->clear();
+ out.clear();
fd = fopen(std::string(path).c_str(), "r");
if (fd == NULL) {
@@ -132,19 +132,19 @@ static int readLineFromFile(std::string_view path, std::string *out)
fgets_ret = fgets(buf, MAX_LENGTH, fd);
if (NULL != fgets_ret) {
rv = (int)strlen(buf);
- out->append(buf, rv);
+ out.append(buf, rv);
} else {
rv = ferror(fd);
}
fclose(fd);
- out->erase(std::remove(out->begin(), out->end(), '\n'), out->end());
- LOG(DEBUG) << "Path:" << std::string(path) << " Val:" << *out << std::endl;
+ out.erase(std::remove(out.begin(), out.end(), '\n'), out.end());
+ LOG(DEBUG) << "Path:" << std::string(path) << " Val:" << out << std::endl;
return rv;
}
-int ThermalCommon::readFromFile(std::string_view path, std::string *out)
+int ThermalCommon::readFromFile(std::string_view path, std::string& out)
{
return readLineFromFile(path, out);
}
@@ -183,7 +183,7 @@ static int get_tzn(std::string sensor_name)
snprintf(name, MAX_PATH, "%s%s/%s", THERMAL_SYSFS,
tdirent->d_name, TZ_TYPE);
- ret = readLineFromFile(std::string_view(name), &buf);
+ ret = readLineFromFile(std::string_view(name), buf);
if (ret <= 0) {
LOG(ERROR) <<
"get_tzn: sensor name read error for tz:" <<
@@ -211,7 +211,7 @@ static int get_tzn(std::string sensor_name)
return found;
}
-int ThermalCommon::initialize_sensor(struct target_therm_cfg cfg, int sens_idx)
+int ThermalCommon::initialize_sensor(struct target_therm_cfg& cfg, int sens_idx)
{
struct therm_sensor sensor;
int idx = 0;
@@ -270,7 +270,7 @@ int ThermalCommon::initialize_sensor(struct target_therm_cfg cfg, int sens_idx)
return 0;
}
-int ThermalCommon::initializeCpuSensor(struct target_therm_cfg cpu_cfg)
+int ThermalCommon::initializeCpuSensor(struct target_therm_cfg& cpu_cfg)
{
int cpu = 0;
@@ -282,7 +282,7 @@ int ThermalCommon::initializeCpuSensor(struct target_therm_cfg cpu_cfg)
return 0;
}
-int ThermalCommon::initThermalZones(std::vector<struct target_therm_cfg> cfg)
+int ThermalCommon::initThermalZones(std::vector<struct target_therm_cfg>& cfg)
{
std::vector<struct target_therm_cfg>::iterator it;
@@ -342,7 +342,7 @@ int ThermalCommon::initCdev()
snprintf(name, MAX_PATH, "%s%s/%s", THERMAL_SYSFS,
tdirent->d_name, TZ_TYPE);
- ret = readLineFromFile(std::string_view(name), &buf);
+ ret = readLineFromFile(std::string_view(name), buf);
if (ret <= 0) {
LOG(ERROR) <<
"init_cdev: cdev type read error for cdev:" <<
@@ -357,7 +357,7 @@ int ThermalCommon::initCdev()
cdevInst.c.name = it->first;
cdevInst.c.type = it->second;
cdevInst.cdevn = cdevn;
- read_cdev_state(&cdevInst);
+ read_cdev_state(cdevInst);
cdev.push_back(cdevInst);
}
@@ -368,7 +368,7 @@ int ThermalCommon::initCdev()
return cdev.size();
}
-int ThermalCommon::read_cdev_state(struct therm_cdev *cdev)
+int ThermalCommon::read_cdev_state(struct therm_cdev& cdev)
{
char file_name[MAX_PATH];
std::string buf;
@@ -376,51 +376,68 @@ int ThermalCommon::read_cdev_state(struct therm_cdev *cdev)
LOG(DEBUG) << "Entering " <<__func__;
snprintf(file_name, sizeof(file_name), CDEV_CUR_STATE_PATH,
- cdev->cdevn);
- ret = readLineFromFile(std::string(file_name), &buf);
+ cdev.cdevn);
+ ret = readLineFromFile(std::string(file_name), buf);
if (ret <= 0) {
LOG(ERROR) << "Cdev state read error:"<< ret <<
- " for cdev: " << cdev->c.name;
+ " for cdev: " << cdev.c.name;
return -1;
}
- cdev->c.value = std::stoi(buf);
- LOG(DEBUG) << "cdev Name:" << cdev->c.name << ". state:" <<
- cdev->c.value << std::endl;
+ cdev.c.value = std::stoi(buf, nullptr, 0);
+ LOG(DEBUG) << "cdev Name:" << cdev.c.name << ". state:" <<
+ cdev.c.value << std::endl;
- return cdev->c.value;
+ return cdev.c.value;
}
-int ThermalCommon::estimateSeverity(struct therm_sensor *sensor)
+int ThermalCommon::estimateSeverity(struct therm_sensor& sensor)
{
int idx = 0;
ThrottlingSeverity severity = ThrottlingSeverity::NONE;
- float temp = sensor->t.value;
+ float temp = sensor.t.value;
for (idx = (int)ThrottlingSeverity::SHUTDOWN; idx >= 0; idx--) {
- if ((sensor->positiveThresh &&
- !isnan(sensor->thresh.hotThrottlingThresholds[idx]) &&
+ /* If a particular threshold is hit already, check if the
+ * hysteresis is cleared before changing the severity */
+ if (idx == (int)sensor.t.throttlingStatus) {
+ if ((sensor.positiveThresh &&
+ !isnan(sensor.thresh.hotThrottlingThresholds[idx]) &&
+ temp >=
+ (sensor.thresh.hotThrottlingThresholds[idx] -
+ DEFAULT_HYSTERESIS / sensor.mulFactor)) ||
+ (!sensor.positiveThresh &&
+ !isnan(sensor.thresh.coldThrottlingThresholds[idx]) &&
+ temp <=
+ (sensor.thresh.coldThrottlingThresholds[idx] +
+ DEFAULT_HYSTERESIS / sensor.mulFactor)))
+ break;
+ continue;
+ }
+ if ((sensor.positiveThresh &&
+ !isnan(sensor.thresh.hotThrottlingThresholds[idx]) &&
temp >=
- sensor->thresh.hotThrottlingThresholds[idx]) ||
- (!sensor->positiveThresh &&
- !isnan(sensor->thresh.coldThrottlingThresholds[idx]) &&
+ sensor.thresh.hotThrottlingThresholds[idx]) ||
+ (!sensor.positiveThresh &&
+ !isnan(sensor.thresh.coldThrottlingThresholds[idx]) &&
temp <=
- sensor->thresh.coldThrottlingThresholds[idx]))
+ sensor.thresh.coldThrottlingThresholds[idx]))
break;
}
if (idx >= 0)
severity = (ThrottlingSeverity)(idx);
- LOG(DEBUG) << "Sensor Name:" << sensor->t.name << ". old severity:" <<
- (int)sensor->t.throttlingStatus << " New severity:" <<
+ LOG(DEBUG) << "Sensor Name:" << sensor.t.name << ". prev severity:" <<
+ (int)sensor.lastThrottleStatus << ". cur severity:" <<
+ (int)sensor.t.throttlingStatus << " New severity:" <<
(int)severity << std::endl;
- if (severity == sensor->t.throttlingStatus)
- return 0;
- sensor->lastThrottleStatus = sensor->t.throttlingStatus;
- sensor->t.throttlingStatus = severity;
+ if (severity == sensor.t.throttlingStatus)
+ return -1;
+ sensor.lastThrottleStatus = sensor.t.throttlingStatus;
+ sensor.t.throttlingStatus = severity;
- return 0;
+ return (int)severity;
}
-int ThermalCommon::read_temperature(struct therm_sensor *sensor)
+int ThermalCommon::read_temperature(struct therm_sensor& sensor)
{
char file_name[MAX_PATH];
float temp;
@@ -429,21 +446,22 @@ int ThermalCommon::read_temperature(struct therm_sensor *sensor)
LOG(DEBUG) << "Entering " <<__func__;
snprintf(file_name, sizeof(file_name), TEMPERATURE_FILE_FORMAT,
- sensor->tzn);
- ret = readLineFromFile(std::string(file_name), &buf);
+ sensor.tzn);
+ ret = readLineFromFile(std::string(file_name), buf);
if (ret <= 0) {
LOG(ERROR) << "Temperature read error:"<< ret <<
- " for sensor " << sensor->t.name;
+ " for sensor " << sensor.t.name;
return -1;
}
- sensor->t.value = (float)std::stoi(buf) / (float)sensor->mulFactor;
- LOG(DEBUG) << "Sensor Name:" << sensor->t.name << ". Temperature:" <<
- (float)sensor->t.value << std::endl;
+ sensor.t.value = (float)std::stoi(buf, nullptr, 0) / (float)sensor.mulFactor;
+ LOG(DEBUG) << "Sensor Name:" << sensor.t.name << ". Temperature:" <<
+ (float)sensor.t.value << std::endl;
- return estimateSeverity(sensor);
+ estimateSeverity(sensor);
+ return ret;
}
-void ThermalCommon::initThreshold(struct therm_sensor sensor)
+void ThermalCommon::initThreshold(struct therm_sensor& sensor)
{
char file_name[MAX_PATH] = "";
std::string buf;
@@ -459,7 +477,7 @@ void ThermalCommon::initThreshold(struct therm_sensor sensor)
}
snprintf(file_name, sizeof(file_name), POLICY_FILE_FORMAT,
sensor.tzn);
- ret = readLineFromFile(std::string(file_name), &buf);
+ ret = readLineFromFile(std::string(file_name), buf);
if (ret <= 0) {
LOG(ERROR) << "Policy read error:"<< ret <<
" for sensor " << sensor.t.name;
diff --git a/thermalCommon.h b/thermalCommon.h
index 4375e1e..6a1b348 100644
--- a/thermalCommon.h
+++ b/thermalCommon.h
@@ -44,14 +44,14 @@ class ThermalCommon {
ThermalCommon();
~ThermalCommon() = default;
- int readFromFile(std::string_view path, std::string *out);
- int initThermalZones(std::vector<struct target_therm_cfg> cfg);
- void initThreshold(struct therm_sensor sens);
+ int readFromFile(std::string_view path, std::string& out);
+ int initThermalZones(std::vector<struct target_therm_cfg>& cfg);
+ void initThreshold(struct therm_sensor& sens);
int initCdev();
- int read_cdev_state(struct therm_cdev *cdev);
- int read_temperature(struct therm_sensor *sensor);
- int estimateSeverity(struct therm_sensor *sensor);
+ int read_cdev_state(struct therm_cdev& cdev);
+ int read_temperature(struct therm_sensor& sensor);
+ int estimateSeverity(struct therm_sensor& sensor);
int get_cpu_usages(hidl_vec<CpuUsage>& list);
std::vector<struct therm_sensor> fetch_sensor_list()
@@ -69,8 +69,8 @@ class ThermalCommon {
std::vector<struct therm_sensor> sens;
std::vector<struct therm_cdev> cdev;
- int initializeCpuSensor(struct target_therm_cfg cpu_cfg);
- int initialize_sensor(struct target_therm_cfg cfg,
+ int initializeCpuSensor(struct target_therm_cfg& cpu_cfg);
+ int initialize_sensor(struct target_therm_cfg& cfg,
int sens_idx);
};
diff --git a/thermalConfig.cpp b/thermalConfig.cpp
index 34c0d36..3ab97b1 100644
--- a/thermalConfig.cpp
+++ b/thermalConfig.cpp
@@ -634,7 +634,7 @@ namespace implementation {
bool bcl_defined = false;
std::string soc_val;
- if (cmnInst.readFromFile(socIDPath, &soc_val) <= 0) {
+ if (cmnInst.readFromFile(socIDPath, soc_val) <= 0) {
LOG(ERROR) <<"soc ID fetch error";
return;
}
diff --git a/thermalUtils.cpp b/thermalUtils.cpp
index 7aaada4..f057e75 100644
--- a/thermalUtils.cpp
+++ b/thermalUtils.cpp
@@ -54,19 +54,19 @@ ThermalUtils::ThermalUtils(const ueventCB &inp_cb):
{
int ret = 0;
std::vector<struct therm_sensor> sensorList;
- std::vector<struct therm_sensor>::iterator it;
+ std::vector<struct target_therm_cfg> therm_cfg = cfg.fetchConfig();
is_sensor_init = false;
is_cdev_init = false;
- ret = cmnInst.initThermalZones(cfg.fetchConfig());
+ ret = cmnInst.initThermalZones(therm_cfg);
if (ret > 0) {
is_sensor_init = true;
sensorList = cmnInst.fetch_sensor_list();
std::lock_guard<std::mutex> _lock(sens_cb_mutex);
- for (it = sensorList.begin(); it != sensorList.end(); it++) {
- thermalConfig[it->sensor_name] = *it;
- cmnInst.read_temperature(&(*it));
- cmnInst.initThreshold(*it);
+ for (struct therm_sensor sens: sensorList) {
+ thermalConfig[sens.sensor_name] = sens;
+ cmnInst.read_temperature(sens);
+ cmnInst.initThreshold(sens);
}
monitor.start();
}
@@ -79,23 +79,22 @@ ThermalUtils::ThermalUtils(const ueventCB &inp_cb):
void ThermalUtils::ueventParse(std::string sensor_name, int temp)
{
- std::unordered_map<std::string, struct therm_sensor>::iterator it;
- struct therm_sensor sens;
+ int severity = 0;
LOG(INFO) << "uevent triggered for sensor: " << sensor_name
<< std::endl;
- it = thermalConfig.find(sensor_name);
- if (it == thermalConfig.end()) {
+ if (thermalConfig.find(sensor_name) == thermalConfig.end()) {
LOG(DEBUG) << "sensor is not monitored:" << sensor_name
<< std::endl;
return;
}
- sens = it->second;
std::lock_guard<std::mutex> _lock(sens_cb_mutex);
+ struct therm_sensor& sens = thermalConfig[sensor_name];
sens.t.value = (float)temp / (float)sens.mulFactor;
- cmnInst.estimateSeverity(&sens);
- if (sens.lastThrottleStatus != sens.t.throttlingStatus) {
- LOG(INFO) << "sensor: " << sensor_name <<" old: " <<
+ severity = cmnInst.estimateSeverity(sens);
+ if (severity != -1) {
+ LOG(INFO) << "sensor: " << sensor_name <<" temperature: "
+ << sens.t.value << " old: " <<
(int)sens.lastThrottleStatus << " new: " <<
(int)sens.t.throttlingStatus << std::endl;
cb(sens.t);
@@ -113,13 +112,13 @@ int ThermalUtils::readTemperatures(hidl_vec<Temperature_1_0>& temp)
return 0;
for (it = thermalConfig.begin(); it != thermalConfig.end();
it++, idx++) {
- struct therm_sensor sens = it->second;
+ struct therm_sensor& sens = it->second;
Temperature_1_0 _temp;
/* v1 supports only CPU, GPU, Battery and SKIN */
if (sens.t.type > TemperatureType::SKIN)
continue;
- ret = cmnInst.read_temperature(&sens);
+ ret = cmnInst.read_temperature(sens);
if (ret < 0)
return ret;
_temp.currentValue = sens.t.value;
@@ -145,11 +144,11 @@ int ThermalUtils::readTemperatures(bool filterType, TemperatureType type,
std::vector<Temperature> _temp;
for (it = thermalConfig.begin(); it != thermalConfig.end(); it++) {
- struct therm_sensor sens = it->second;
+ struct therm_sensor& sens = it->second;
if (filterType && sens.t.type != type)
continue;
- ret = cmnInst.read_temperature(&sens);
+ ret = cmnInst.read_temperature(sens);
if (ret < 0)
return ret;
_temp.push_back(sens.t);
@@ -166,7 +165,7 @@ int ThermalUtils::readTemperatureThreshold(bool filterType, TemperatureType type
std::vector<TemperatureThreshold> _thresh;
for (it = thermalConfig.begin(); it != thermalConfig.end(); it++) {
- struct therm_sensor sens = it->second;
+ struct therm_sensor& sens = it->second;
if (filterType && sens.t.type != type)
continue;
@@ -187,7 +186,7 @@ int ThermalUtils::readCdevStates(bool filterType, cdevType type,
if (filterType && cdev.c.type != type)
continue;
- ret = cmnInst.read_cdev_state(&cdev);
+ ret = cmnInst.read_cdev_state(cdev);
if (ret < 0)
return ret;
_cdev.push_back(cdev.c);
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-03 08:23:53 +0000