Files
opt/collectd/usr/local/bin/power-data
2024-12-23 10:54:34 +01:00

67 lines
1.3 KiB
Python
Executable File

#!/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)