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// SPDX-License-Identifier: GPL-3.0-or-later
#include "windows_plugin.h"
#include "windows-internals.h"
struct thermal_zone {
RRDSET *st;
RRDDIM *rd;
COUNTER_DATA thermalZoneTemperature;
};
static inline void initialize_thermal_zone_keys(struct thermal_zone *p) {
p->thermalZoneTemperature.key = "Temperature";
}
void dict_thermal_zone_insert_cb(const DICTIONARY_ITEM *item __maybe_unused, void *value, void *data __maybe_unused) {
struct thermal_zone *p = value;
initialize_thermal_zone_keys(p);
}
static DICTIONARY *thermal_zones = NULL;
static void initialize(void) {
thermal_zones = dictionary_create_advanced(
DICT_OPTION_DONT_OVERWRITE_VALUE | DICT_OPTION_FIXED_SIZE, NULL, sizeof(struct thermal_zone));
dictionary_register_insert_callback(thermal_zones, dict_thermal_zone_insert_cb, NULL);
}
static bool do_thermal_zones(PERF_DATA_BLOCK *pDataBlock, int update_every) {
PERF_OBJECT_TYPE *pObjectType = perflibFindObjectTypeByName(pDataBlock, "Thermal Zone Information");
if (!pObjectType)
return false;
PERF_INSTANCE_DEFINITION *pi = NULL;
for (LONG i = 0; i < pObjectType->NumInstances; i++) {
pi = perflibForEachInstance(pDataBlock, pObjectType, pi);
if (!pi)
break;
if (!getInstanceName(pDataBlock, pObjectType, pi, windows_shared_buffer, sizeof(windows_shared_buffer)))
strncpyz(windows_shared_buffer, "[unknown]", sizeof(windows_shared_buffer) - 1);
struct thermal_zone *p = dictionary_set(thermal_zones, windows_shared_buffer, NULL, sizeof(*p));
perflibGetInstanceCounter(pDataBlock, pObjectType, pi, &p->thermalZoneTemperature);
// https://learn.microsoft.com/en-us/windows-hardware/design/device-experiences/design-guide
if (!p->st) {
char id[RRD_ID_LENGTH_MAX + 1];
snprintfz(id, RRD_ID_LENGTH_MAX, "thermalzone_%s_temperature", windows_shared_buffer);
netdata_fix_chart_name(id);
p->st = rrdset_create_localhost(
"system",
id,
NULL,
"thermalzone",
"system.thermalzone_temperature",
"Thermal zone temperature",
"Celsius",
PLUGIN_WINDOWS_NAME,
"ThermalZone",
NETDATA_CHART_PRIO_WINDOWS_THERMAL_ZONES,
update_every,
RRDSET_TYPE_LINE);
p->rd = rrddim_add(p->st, id, "temperature", 1, 1, RRD_ALGORITHM_ABSOLUTE);
rrdlabels_add(p->st->rrdlabels, "thermalzone", windows_shared_buffer, RRDLABEL_SRC_AUTO);
}
// Convert to Celsius before to plot
NETDATA_DOUBLE kTemperature = (NETDATA_DOUBLE)p->thermalZoneTemperature.current.Data;
kTemperature -= 273.15;
rrddim_set_by_pointer(p->st, p->rd, (collected_number)kTemperature);
rrdset_done(p->st);
}
return true;
}
int do_PerflibThermalZone(int update_every, usec_t dt __maybe_unused) {
static bool initialized = false;
if (unlikely(!initialized)) {
initialize();
initialized = true;
}
DWORD id = RegistryFindIDByName("Thermal Zone Information");
if (id == PERFLIB_REGISTRY_NAME_NOT_FOUND)
return -1;
PERF_DATA_BLOCK *pDataBlock = perflibGetPerformanceData(id);
if (!pDataBlock)
return -1;
do_thermal_zones(pDataBlock, update_every);
return 0;
}
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