1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/*
* Copyright (C) 2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "level_zero/tools/source/sysman/temperature/linux/os_temperature_imp.h"
#include "level_zero/tools/source/sysman/linux/pmt.h"
#include "sysman/linux/os_sysman_imp.h"
namespace L0 {
ze_result_t LinuxTemperatureImp::getProperties(zes_temp_properties_t *pProperties) {
pProperties->type = type;
pProperties->onSubdevice = false;
pProperties->subdeviceId = 0;
return ZE_RESULT_SUCCESS;
}
ze_result_t LinuxTemperatureImp::getSensorTemperature(double *pTemperature) {
uint64_t socTemperature = 0;
uint32_t computeTemperature = 0, coreTemperature = 0;
std::string key("COMPUTE_TEMPERATURES");
ze_result_t result = pPmt->readValue(key, computeTemperature);
if (result != ZE_RESULT_SUCCESS) {
return result;
}
// GT temperature could be read via 8th to 15th bit in the value read in temperature
computeTemperature = (computeTemperature >> 8) & 0xff;
if (type == ZES_TEMP_SENSORS_GPU) {
*pTemperature = static_cast<double>(computeTemperature);
} else if (type == ZES_TEMP_SENSORS_GLOBAL) {
key = "SOC_TEMPERATURES";
result = pPmt->readValue(key, socTemperature);
if (result != ZE_RESULT_SUCCESS) {
return result;
}
uint64_t socTemperatureList[numSocTemperatureEntries];
for (uint64_t count = 0; count < numSocTemperatureEntries; count++) {
socTemperatureList[count] = (socTemperature >> (8 * count)) & 0xff;
}
// Assign socTemperature so that it contains the maximum temperature provided by all SOC components
socTemperature = *std::max_element(socTemperatureList, socTemperatureList + numSocTemperatureEntries);
key = "CORE_TEMPERATURES";
result = pPmt->readValue(key, coreTemperature);
if (result != ZE_RESULT_SUCCESS) {
return result;
}
uint32_t coreTemperatureList[numCoreTemperatureEntries];
for (uint64_t count = 0; count < numCoreTemperatureEntries; count++) {
coreTemperatureList[count] = (coreTemperature >> (8 * count)) & 0xff;
}
// Assign coreTemperature so that it contains the maximum temperature provided by all SOC components
coreTemperature = *std::max_element(coreTemperatureList, coreTemperatureList + numCoreTemperatureEntries);
*pTemperature = static_cast<double>(std::max({static_cast<uint64_t>(computeTemperature),
static_cast<uint64_t>(coreTemperature), socTemperature}));
} else {
*pTemperature = 0;
result = ZE_RESULT_ERROR_UNSUPPORTED_FEATURE;
}
return result;
}
bool LinuxTemperatureImp::isTempModuleSupported() {
return pPmt->isPmtSupported();
}
void LinuxTemperatureImp::setSensorType(zes_temp_sensors_t sensorType) {
type = sensorType;
}
LinuxTemperatureImp::LinuxTemperatureImp(OsSysman *pOsSysman) {
LinuxSysmanImp *pLinuxSysmanImp = static_cast<LinuxSysmanImp *>(pOsSysman);
pPmt = &pLinuxSysmanImp->getPlatformMonitoringTechAccess();
}
OsTemperature *OsTemperature::create(OsSysman *pOsSysman, zes_temp_sensors_t sensorType) {
LinuxTemperatureImp *pLinuxTemperatureImp = new LinuxTemperatureImp(pOsSysman);
pLinuxTemperatureImp->setSensorType(sensorType);
return static_cast<OsTemperature *>(pLinuxTemperatureImp);
}
} // namespace L0
|
