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#!/usr/bin/python
import logging
import argparse
import psutil
import time
def find_procs(procs):
result = []
for name, executable in procs:
found = filter(
lambda p: executable == p.name,
psutil.process_iter())
if len(found) == 1:
result.append(found[0])
return result
def log_usage(procs, logger):
names = [proc.name for proc in procs]
logger.info("Logging cpu and memory for: %s" % names)
while True:
s = '%f %f' %\
(psutil.cpu_percent(), psutil.phymem_usage().percent)
for proc in procs:
s += ' %f %f' % \
(proc.get_cpu_percent(), proc.get_memory_percent())
logger.info(s)
time.sleep(1)
if __name__ == '__main__':
# parse command line
parser = argparse.ArgumentParser()
parser.add_argument(
'-l', dest='logfile',
help='log output to file')
args = parser.parse_args()
# configure logger
logger = logging.getLogger(__name__)
LOG_FORMAT = '%(asctime)s %(message)s'
logging.basicConfig(format=LOG_FORMAT, level=logging.INFO)
if args.logfile is not None:
handler = logging.FileHandler(args.logfile, mode='a')
handler.setFormatter(logging.Formatter(fmt=LOG_FORMAT))
logger.addHandler(handler)
log_usage(find_procs([
('Soledad', 'twistd'),
('Bigcouch', 'beam.smp')]), logger)
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