Add collectd files

collectd/usr/local/bin/power-data

@@ -0,0 +1,66 @@
+#!/usr/bin/python3
+
+#
+# Imports
+#
+import sys
+import time
+import argparse
+import pmt
+
+#
+# Configuration
+#
+hostname = "server"
+measurement_duration = 5
+measurement_interval = 15
+pm = pmt.create("rapl")
+
+#
+# Command line arguments
+#
+parser = argparse.ArgumentParser(description="Get CPU power consumption")
+parser.add_argument("-s", action="store_true", help="print in human readable format")
+args = parser.parse_args()
+human_readable = args.s
+
+
+#
+# Methods
+#
+def get_power():
+    time.sleep(measurement_duration)
+    measurements = dict()
+    state = pm.read()
+    for i in range(state.nr_measurements()):
+        name = state.name(i)
+        watts = state.watts(i)
+        measurements[name] = watts
+    return measurements
+
+
+def print_rrd(measurements):
+    timestamp = int(time.time())
+    for measurement in list(measurements.items()):
+        name = measurement[0].lower()
+        power = measurement[1]
+        print(
+            (
+                "PUTVAL {}/exec-power/gauge-{} {}:{:.1f}".format(
+                    hostname, name, timestamp, power
+                )
+            )
+        )
+
+
+#
+# Main
+#
+if human_readable:
+    print(get_power())
+else:
+    while True:
+        power = get_power()
+        print_rrd(power)
+        sys.stdout.flush()
+        time.sleep(measurement_interval)