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Add Free Memory metric for Prometheus

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twollweber 2021-04-29 10:20:05 +02:00 committed by GitHub
parent 0558430f89
commit dae62f7866
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1 changed files with 12 additions and 0 deletions
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12
tasmota/xsns_75_prometheus.ino
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@ -100,6 +100,18 @@ void HandleMetrics(void) {
WSContentSend_P(PSTR("# TYPE tasmota_global_pressure_hpa gauge\ntasmota_global_pressure_hpa %s\n"), parameter);
}
// Pseudo-metric providing metadata about the free memory.
#ifdef ESP32
int32_t freeMaxMem = 100 - (int32_t)(ESP_getMaxAllocHeap() * 100 / ESP_getFreeHeap());
WSContentSend_PD(PSTR("# TYPE tasmota_memory_bytes gauge\ntasmota_memory_bytes{memory=\"Ram\"} %d\n"), ESP_getFreeHeap());
WSContentSend_PD(PSTR("# TYPE tasmota_memory_ratio gauge\ntasmota_memory_ratio{memory=\"Fragmentation\"} %d)"), freeMaxMem / 100);
if (psramFound()) {
WSContentSend_P(PSTR("# TYPE tasmota_memory_bytes gauge\ntasmota_memory_bytes{memory=\"Psram\"} %d\n"), ESP.getFreePsram() );
}
#else // ESP32
WSContentSend_PD(PSTR("# TYPE tasmota_memory_bytes gauge\ntasmota_memory_bytes{memory=\"ram\"} %d\n"), ESP_getFreeHeap());
#endif // ESP32
#ifdef USE_ENERGY_SENSOR
dtostrfd(Energy.voltage[0], Settings.flag2.voltage_resolution, parameter);
WSContentSend_P(PSTR("# TYPE energy_voltage_volts gauge\nenergy_voltage_volts %s\n"), parameter);