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Increase system safety and ensure fans fail in a safe mode

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This commit is contained in:
Carl Philipp Klemm 2023-05-04 14:02:17 +02:00
parent c084c42794
commit 77592844fb
1 changed files with 91 additions and 15 deletions
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106
main.cpp
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@ -71,6 +71,8 @@ double gpu_fan_zone(const std::vector<Sensor>& sensors)
{
const char mi50Chip[] = "amdgpu-pci-2300";
const char mi25Chip[] = "amdgpu-pci-4300";
bool hitMi25 = false;
bool hitMi50 = false;
const char monitored_sensor_name[] = "edge";
double max_temp = std::numeric_limits<double>::min();
@ -78,32 +80,58 @@ double gpu_fan_zone(const std::vector<Sensor>& sensors)
{
if((sensor.chip == mi50Chip || sensor.chip == mi25Chip) && sensor.name == monitored_sensor_name)
{
if(sensor.chip == mi50Chip)
hitMi50 = true;
else
hitMi25 = true;
if(max_temp < sensor.reading)
max_temp = sensor.reading;
}
}
return fan_curve(max_temp, 0.20, 1.0, 45, 75);
if(!hitMi50 || !hitMi25)
{
std::cerr<<"Could not get temperature from MI25 or MI50! Ramping fans to maximum\n";
return 1.0;
}
else
return fan_curve(max_temp, 0.20, 1.0, 45, 75);
}
double system_fan_zone(const std::vector<Sensor>& sensors)
{
Sensor cpu("IPMI", "CPU Temp");
Sensor system("IPMI", "System Temp");
bool hitCpu = false;
bool hitSystem = false;
std::vector<double> out;
for(const Sensor& sensor : sensors)
{
if(cpu == sensor)
{
hitCpu = true;
cpu = sensor;
}
else if(sensor == system)
{
hitSystem = true;
system = sensor;
}
}
double fanSystem = fan_curve(system.reading, 0.33, 1.0, 40, 65);
double fanCpu = fan_curve(cpu.reading, 0.33, 1.0, 40, 70);
if(hitCpu && hitSystem)
{
double fanSystem = fan_curve(system.reading, 0.33, 1.0, 40, 65);
double fanCpu = fan_curve(cpu.reading, 0.33, 1.0, 40, 70);
return std::max(fanSystem, fanCpu);
return std::max(fanSystem, fanCpu);
}
else
{
std::cerr<<"Could not get temperature from System or Cpu! Ramping fans to maximum\n";
return 1;
}
}
std::vector<double> get_fan_zones(const std::vector<Sensor>& sensors)
@ -114,20 +142,24 @@ std::vector<double> get_fan_zones(const std::vector<Sensor>& sensors)
return out;
}
int main(int argc, char **argv)
int main_loop()
{
signal(SIGABRT, sig_handler);
signal(SIGTERM, sig_handler);
signal(SIGHUP, sig_handler);
signal(SIGINT, sig_handler);
if(argc > 1)
quiet = true;
ipmi_ctx_t raw_ctx = ipmi_open_context();
if(!raw_ctx)
{
sensors_cleanup();
return 1;
}
int ret = sensors_init(nullptr);
if(ret < 0)
{
std::cerr<<"Could not init lm_sensors\n";
ipmi_set_fan_group(raw_ctx, 0, 1);
ipmi_set_fan_group(raw_ctx, 1, 1);
ipmi_ctx_close(raw_ctx);
ipmi_ctx_destroy(raw_ctx);
return 1;
}
std::vector<const sensors_chip_name*> lm_chips = lm_get_chips("amdgpu-*");
@ -135,13 +167,28 @@ int main(int argc, char **argv)
ipmi_sensors.push_back(Sensor("IPMI", "CPU Temp"));
ipmi_sensors.push_back(Sensor("IPMI", "System Temp"));
if(lm_chips.size() < 2)
{
std::cerr<<"Could not get both monitored gpus!";
ipmi_set_fan_group(raw_ctx, 0, 1);
ipmi_set_fan_group(raw_ctx, 1, 1);
ipmi_ctx_close(raw_ctx);
ipmi_ctx_destroy(raw_ctx);
sensors_cleanup();
return 1;
}
ipmi_monitoring_ctx_t monitoring_ctx = init_ipmi_monitoring();
if(!monitoring_ctx)
{
ipmi_set_fan_group(raw_ctx, 0, 1);
ipmi_set_fan_group(raw_ctx, 1, 1);
ipmi_ctx_close(raw_ctx);
ipmi_ctx_destroy(raw_ctx);
sensors_cleanup();
return 1;
}
ipmi_ctx_t raw_ctx = ipmi_open_context();
if(!raw_ctx)
return 1;
while(running)
{
@ -161,10 +208,39 @@ int main(int argc, char **argv)
sleep(10);
}
ipmi_set_fan_group(raw_ctx, 0, 1);
ipmi_set_fan_group(raw_ctx, 1, 1);
ipmi_ctx_close(raw_ctx);
ipmi_ctx_destroy(raw_ctx);
ipmi_monitoring_ctx_destroy(monitoring_ctx);
sensors_cleanup();
return 0;
}
int main (int argc, char **argv)
{
signal(SIGABRT, sig_handler);
signal(SIGTERM, sig_handler);
signal(SIGHUP, sig_handler);
signal(SIGINT, sig_handler);
if(argc > 1)
quiet = true;
int ret = 0;
for(size_t i = 0; i < 3; ++i)
{
ret = main_loop();
if(!running)
break;
std::cerr<<"Mainloop unable to start, retrying in 10 sec\n";
sleep(10);
}
if(ret != 0)
std::cerr<<"Error not clearing, giveing up\n";
return ret;
}