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Merged
narugit merged 4 commits into from
Apr 22, 2026
Merged

feat: support M5 #46

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7d03c92
feat: support M5
ryo-touch Apr 19, 2026
d1adf34
docs: support M5
ryo-touch Apr 19, 2026
72c070f
Update smctemp.cc
ryo-touch Apr 22, 2026
ae36660
Update smctemp.cc
ryo-touch Apr 22, 2026
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1 change: 1 addition & 0 deletions README.md
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Expand Up @@ -2,6 +2,7 @@
Print CPU and GPU temperatures on macOS.

It works on following macs.
- arm64 (M5 mac)
- arm64 (M4 mac)
- arm64 (M3 mac)
- arm64 (M2 mac)
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36 changes: 34 additions & 2 deletions smctemp.cc
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Expand Up @@ -465,7 +465,29 @@ double SmcTemp::GetCpuTemp() {
const std::pair<unsigned int, unsigned int> valid_temperature_limits{10, 120};

const std::string cpumodel = getCPUModel();
if (cpumodel.find("m4") != std::string::npos) { // Apple M4
if (cpumodel.find("m5") != std::string::npos) { // Apple M5
// ref: https://github.com/exelban/stats/blob/ab28d72/Modules/Sensors/values.swift#L469-L487
// CPU super cores
sensors.emplace_back(static_cast<std::string>(kSensorTp00));
sensors.emplace_back(static_cast<std::string>(kSensorTp04));
sensors.emplace_back(static_cast<std::string>(kSensorTp08));
sensors.emplace_back(static_cast<std::string>(kSensorTp0C));
sensors.emplace_back(static_cast<std::string>(kSensorTp0G));
sensors.emplace_back(static_cast<std::string>(kSensorTp0K));
// CPU performance cores
sensors.emplace_back(static_cast<std::string>(kSensorTp0O));
sensors.emplace_back(static_cast<std::string>(kSensorTp0R));
sensors.emplace_back(static_cast<std::string>(kSensorTp0U));
sensors.emplace_back(static_cast<std::string>(kSensorTp0X));
sensors.emplace_back(static_cast<std::string>(kSensorTp0a));
sensors.emplace_back(static_cast<std::string>(kSensorTp0d));
sensors.emplace_back(static_cast<std::string>(kSensorTp0g));
sensors.emplace_back(static_cast<std::string>(kSensorTp0j));
sensors.emplace_back(static_cast<std::string>(kSensorTp0m));
sensors.emplace_back(static_cast<std::string>(kSensorTp0p));
sensors.emplace_back(static_cast<std::string>(kSensorTp0u));
sensors.emplace_back(static_cast<std::string>(kSensorTp0y));
} else if (cpumodel.find("m4") != std::string::npos) { // Apple M4
sensors.emplace_back(static_cast<std::string>(kSensorTp01));
sensors.emplace_back(static_cast<std::string>(kSensorTp09));
sensors.emplace_back(static_cast<std::string>(kSensorTp0f));
Expand Down Expand Up @@ -577,7 +599,17 @@ double SmcTemp::GetGpuTemp() {
std::vector<std::string> sensors;
const std::pair<unsigned int, unsigned int> valid_temperature_limits{10, 120};
const std::string cpumodel = getCPUModel();
if (cpumodel.find("m4") != std::string::npos) { // Apple M4
if (cpumodel.find("m5") != std::string::npos) { // Apple M5
// ref: https://github.com/exelban/stats/blob/ab28d72/Modules/Sensors/values.swift#L489-L496
sensors.emplace_back(static_cast<std::string>(kSensorTg0U)); // GPU 1
sensors.emplace_back(static_cast<std::string>(kSensorTg0X)); // GPU 2
sensors.emplace_back(static_cast<std::string>(kSensorTg0d)); // GPU 3
sensors.emplace_back(static_cast<std::string>(kSensorTg0g)); // GPU 4
sensors.emplace_back(static_cast<std::string>(kSensorTg0j)); // GPU 5
sensors.emplace_back(static_cast<std::string>(kSensorTg1Y)); // GPU 6
sensors.emplace_back(static_cast<std::string>(kSensorTg1c)); // GPU 7
sensors.emplace_back(static_cast<std::string>(kSensorTg1g)); // GPU 8
} else if (cpumodel.find("m4") != std::string::npos) { // Apple M4
sensors.emplace_back(static_cast<std::string>(kSensorTg0D)); // GPU 1
sensors.emplace_back(static_cast<std::string>(kSensorTg0P)); // GPU 2
sensors.emplace_back(static_cast<std::string>(kSensorTg0X)); // GPU 3
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22 changes: 22 additions & 0 deletions smctemp.h
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Expand Up @@ -62,20 +62,36 @@ constexpr UInt32Char_t kSensorTc0a = "Tc0a";
constexpr UInt32Char_t kSensorTc0b = "Tc0b";
constexpr UInt32Char_t kSensorTc0x = "Tc0x";
constexpr UInt32Char_t kSensorTc0z = "Tc0z";
constexpr UInt32Char_t kSensorTp00 = "Tp00";
constexpr UInt32Char_t kSensorTp01 = "Tp01";
constexpr UInt32Char_t kSensorTp04 = "Tp04";
constexpr UInt32Char_t kSensorTp05 = "Tp05";
constexpr UInt32Char_t kSensorTp08 = "Tp08";
constexpr UInt32Char_t kSensorTp09 = "Tp09";
constexpr UInt32Char_t kSensorTp0C = "Tp0C";
constexpr UInt32Char_t kSensorTp0D = "Tp0D";
constexpr UInt32Char_t kSensorTp0G = "Tp0G";
constexpr UInt32Char_t kSensorTp0H = "Tp0H";
constexpr UInt32Char_t kSensorTp0K = "Tp0K";
constexpr UInt32Char_t kSensorTp0L = "Tp0L";
constexpr UInt32Char_t kSensorTp0O = "Tp0O";
constexpr UInt32Char_t kSensorTp0P = "Tp0P";
constexpr UInt32Char_t kSensorTp0R = "Tp0R";
constexpr UInt32Char_t kSensorTp0T = "Tp0T";
constexpr UInt32Char_t kSensorTp0U = "Tp0U";
constexpr UInt32Char_t kSensorTp0X = "Tp0X";
constexpr UInt32Char_t kSensorTp0a = "Tp0a";
constexpr UInt32Char_t kSensorTp0b = "Tp0b";
constexpr UInt32Char_t kSensorTp0d = "Tp0d";
constexpr UInt32Char_t kSensorTp0f = "Tp0f";
constexpr UInt32Char_t kSensorTp0g = "Tp0g";
constexpr UInt32Char_t kSensorTp0j = "Tp0j";
constexpr UInt32Char_t kSensorTp0m = "Tp0m";
constexpr UInt32Char_t kSensorTp0n = "Tp0n";
constexpr UInt32Char_t kSensorTp0p = "Tp0p";
constexpr UInt32Char_t kSensorTp0r = "Tp0r";
constexpr UInt32Char_t kSensorTp0u = "Tp0u";
constexpr UInt32Char_t kSensorTp0y = "Tp0y";
constexpr UInt32Char_t kSensorTp1h = "Tp1h";
constexpr UInt32Char_t kSensorTp1t = "Tp1t";
constexpr UInt32Char_t kSensorTp1p = "Tp1p";
Expand All @@ -86,12 +102,18 @@ constexpr UInt32Char_t kSensorTg0D = "Tg0D";
constexpr UInt32Char_t kSensorTg0L = "Tg0L";
constexpr UInt32Char_t kSensorTg0P = "Tg0P";
constexpr UInt32Char_t kSensorTg0T = "Tg0T";
constexpr UInt32Char_t kSensorTg0U = "Tg0U";
constexpr UInt32Char_t kSensorTg0X = "Tg0X";
constexpr UInt32Char_t kSensorTg0b = "Tg0b";
constexpr UInt32Char_t kSensorTg0d = "Tg0d";
constexpr UInt32Char_t kSensorTg0f = "Tg0f";
constexpr UInt32Char_t kSensorTg0g = "Tg0g";
constexpr UInt32Char_t kSensorTg0j = "Tg0j";
constexpr UInt32Char_t kSensorTg0v = "Tg0v";
constexpr UInt32Char_t kSensorTg1Y = "Tg1Y";
constexpr UInt32Char_t kSensorTg1b = "Tg1b";
constexpr UInt32Char_t kSensorTg1c = "Tg1c";
constexpr UInt32Char_t kSensorTg1g = "Tg1g";
constexpr UInt32Char_t kSensorTg4b = "Tg4b";
#endif

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