70 lines
1.6 KiB
Python
Executable File
70 lines
1.6 KiB
Python
Executable File
#!/usr/bin/python
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#
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# Imports
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#
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import sys
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import time
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import argparse
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import pylikwid
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#
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# Configuration
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#
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hostname = "sepia"
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cpuid = 0
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pinfo = pylikwid.getpowerinfo()
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domainid = pinfo.get("domains").get("PKG").get("ID")
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measurement_duration = 5
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measurement_interval = 15
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dinfo = pinfo.get("domains")
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domain_names = dinfo.keys()
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domain_ids = [domain['ID'] for domain in dinfo.values()]
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#
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# Command line arguments
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#
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parser = argparse.ArgumentParser(description='Get CPU power consumption')
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parser.add_argument('-s', action='store_true', help='print in human readable format')
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args = parser.parse_args()
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human_readable = args.s
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#
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# Methods
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#
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def get_power():
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start = list()
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end = list()
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power = list()
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for domain_id in domain_ids:
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e_start = pylikwid.startpower(cpuid, domain_id)
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start.append(e_start)
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time.sleep(measurement_duration)
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for domain_id in domain_ids:
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e_stop = pylikwid.stoppower(cpuid, domain_id)
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end.append(e_stop)
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for events in zip(start, end, domain_ids):
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joules = pylikwid.getpower(events[0], events[1], events[2])
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power.append(joules / measurement_duration)
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return dict(zip(domain_names, power))
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def print_rrd(measurements):
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timestamp = int(time.time())
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for measurement in measurements.items():
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name = measurement[0].lower()
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power = measurement[1]
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print("PUTVAL {}/exec-power/gauge-{} {}:{:.1f}".format(hostname, name, timestamp, power))
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#
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# Main
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#
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if (human_readable):
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print get_power()
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else:
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while True:
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power = get_power()
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print_rrd(power)
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sys.stdout.flush()
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time.sleep(measurement_interval)
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