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/*
* SPDX-FileCopyrightText: 2020 Arjen Hiemstra <ahiemstra@heimr.nl>
* SPDX-FileCopyrightText: 2021 David Redondo <kde@david-redondo.de>
*
* SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
*/
#include "LinuxAmdGpu.h"
#include <libudev.h>
#include <linux/pci.h>
#include <sensors/sensors.h>
#include <systemstats/SysFsSensor.h>
#include <systemstats/SensorsFeatureSensor.h>
int ppTableGetMax(const QByteArray &table)
{
const auto lines = table.split('\n');
auto line = lines.last();
return std::atoi(line.mid(line.indexOf(':') + 1).data());
}
int ppTableGetCurrent(const QByteArray &table)
{
const auto lines = table.split('\n');
int current = 0;
for (const auto &line : lines) {
if (!line.contains('*')) {
continue;
}
current = std::atoi(line.mid(line.indexOf(':') + 1));
}
return current;
}
LinuxAmdGpu::LinuxAmdGpu(const QString& id, const QString& name, udev_device *device)
: GpuDevice(id, name)
, m_device(device)
{
udev_device_ref(m_device);
}
LinuxAmdGpu::~LinuxAmdGpu()
{
udev_device_unref(m_device);
}
void LinuxAmdGpu::initialize()
{
GpuDevice::initialize();
m_nameProperty->setValue(QString::fromLocal8Bit(udev_device_get_property_value(m_device, "ID_MODEL_FROM_DATABASE")));
auto result = udev_device_get_sysattr_value(m_device, "mem_info_vram_total");
if (result) {
m_totalVramProperty->setValue(std::atoll(result));
}
m_coreFrequencyProperty->setMax(ppTableGetMax(udev_device_get_sysattr_value(m_device, "pp_dpm_sclk")));
m_memoryFrequencyProperty->setMax(ppTableGetMax(udev_device_get_sysattr_value(m_device, "pp_dpm_mclk")));
std::for_each(m_sensorsSensors.begin(), m_sensorsSensors.end(), [this] (KSysGuard::SensorProperty *sensor) {
sensor->setPrefix(name());
});
}
void LinuxAmdGpu::update()
{
for (auto sensor : std::as_const(m_sysFsSensors)) {
sensor->update();
}
for (auto sensor : std::as_const(m_sensorsSensors)) {
sensor->update();
}
m_temperatureProperty->update();
}
void LinuxAmdGpu::makeSensors()
{
auto devicePath = QString::fromLocal8Bit(udev_device_get_syspath(m_device));
m_nameProperty = new KSysGuard::SensorProperty(QStringLiteral("name"), this);
m_totalVramProperty = new KSysGuard::SensorProperty(QStringLiteral("totalVram"), this);
auto sensor = new KSysGuard::SysFsSensor(QStringLiteral("usage"), devicePath % QStringLiteral("/gpu_busy_percent"), 0, this);
m_usageProperty = sensor;
m_sysFsSensors << sensor;
sensor = new KSysGuard::SysFsSensor(QStringLiteral("usedVram"), devicePath % QStringLiteral("/mem_info_vram_used"), this);
m_usedVramProperty = sensor;
m_sysFsSensors << sensor;
sensor = new KSysGuard::SysFsSensor(QStringLiteral("coreFrequency"), devicePath % QStringLiteral("/pp_dpm_sclk"), 0, this);
sensor->setConvertFunction([](const QByteArray &input) {
return ppTableGetCurrent(input);
});
m_coreFrequencyProperty = sensor;
m_sysFsSensors << sensor;
sensor = new KSysGuard::SysFsSensor(QStringLiteral("memoryFrequency"), devicePath % QStringLiteral("/pp_dpm_mclk"), 0, this);
sensor->setConvertFunction([](const QByteArray &input) {
return ppTableGetCurrent(input);
});
m_memoryFrequencyProperty = sensor;
m_sysFsSensors << sensor;
discoverSensors();
// Potentially found by discoverSensors, if not create it so it's not missing
if (!m_temperatureProperty) {
m_temperatureProperty = new KSysGuard::SensorProperty(QStringLiteral("temperature"), this);
}
// It would normally find this in lmsensors plugin or in another function, but just set it in case anything tries to explode
if (!m_powerProperty) {
m_powerProperty = new KSysGuard::SensorProperty(QStringLiteral("power"), this);
}
}
void LinuxAmdGpu::discoverSensors()
{
sensors_chip_name match;
sensors_parse_chip_name("amdgpu-*", &match);
int number = 0;
const sensors_chip_name *chip;
while ((chip = sensors_get_detected_chips(&match, &number))) {
int domain, bus, device, function;
if (std::sscanf(udev_device_get_sysname(m_device), "%x:%x:%x.%x", &domain, &bus, &device, &function) == 4 &&
((domain << 16) + (bus << 8) + PCI_DEVFN(device, function)) == chip->addr) {
break;
}
}
if (!chip) {
return;
}
number = 0;
while (const sensors_feature * const feature = sensors_get_features(chip, &number)) {
// We want a special id for the device temperature
KSysGuard::SensorProperty *sensor;
if (feature->type == SENSORS_FEATURE_TEMP && qstrcmp(feature->name, "temp1") == 0) {
sensor = KSysGuard::makeSensorsFeatureSensor(QStringLiteral("temperature"), chip, feature, this);
m_temperatureProperty = sensor;
} else {
sensor = makeSensorsFeatureSensor(feature->name, chip, feature, this);
}
if (sensor) {
m_sensorsSensors << sensor;
}
}
}
#include "moc_LinuxAmdGpu.cpp"
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