docs: Update the command for max power capacity formula

canonical · Nov 22, 2023 · 36f508b · 36f508b
1 parent 690b01d
commit 36f508b
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/prometheus_hardware_exporter/collector.py b/prometheus_hardware_exporter/collector.py
@@ -368,8 +368,11 @@ def fetch(self) -> List[Payload]:
             ps_redundancy = True
 
         power_capacities = self.dmidecode.get_power_capacities()
-        # If power supply is redundancy is enabled,
-        # maximum_power_capacity = average power_capacities, else sum.
+        # If power supply redundancy is enabled,
+        # it means server only use one power in the same time and another is for backup
+        # Ｗe calculate the average capacities as the value of maximum_power_capacity
+        # Note: We don't consider the situation that two powers' capacities are
+        # different on a single server.
         maximum_power_capacity = (
             (ps_redundancy and len(power_capacities) > 0)
             and sum(power_capacities) / len(power_capacities)