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resource_monitor.py
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resource_monitor.py
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# (c) 2016 Open Source Geospatial Foundation - all rights reserved
# (c) 2014 - 2015 Centre for Maritime Research and Experimentation (CMRE)
# (c) 2013 - 2014 German Aerospace Center (DLR)
# This code is licensed under the GPL 2.0 license, available at the root
# application directory.
import time
import psutil
import logging
import threading
__author__ = "Alessio Fabiani"
__copyright__ = "Copyright 2016 Open Source Geospatial Foundation - all rights reserved"
__license__ = "GPL"
logger = logging.getLogger("servicebot.resource_monitor")
class ResourceMonitor(threading.Thread):
load_average_scan_minutes = 15
cores = psutil.cpu_count()
cpu_perc = []
vmem_perc = []
lock = threading.Lock()
def __init__(self, load_average_scan_minutes):
threading.Thread.__init__(self)
ResourceMonitor.load_average_scan_minutes = load_average_scan_minutes
ResourceMonitor.lock.acquire()
ResourceMonitor.vmem_perc.append(psutil.virtual_memory().percent)
ResourceMonitor.vmem_perc.append(psutil.virtual_memory().percent)
ResourceMonitor.cpu_perc.append(psutil.cpu_percent(interval=0, percpu=False))
ResourceMonitor.cpu_perc.append(psutil.cpu_percent(interval=0, percpu=False))
ResourceMonitor.lock.release()
def proc_is_running(self, proc_defs):
for proc in psutil.process_iter():
try:
process = psutil.Process(proc.pid) # Get the process info using PID
if process.is_running():
pid = str(process.pid) # noqa
ppid = str(process.ppid) # noqa
status = process.status() # noqa
cpu_percent = process.cpu_percent() # noqa
mem_percent = process.memory_percent() # noqa
rss = str(process.memory_info().rss) # noqa
vms = str(process.memory_info().vms) # noqa
username = process.username() # noqa
name = process.name() # Here is the process name
path = process.cwd() # noqa
cmdline = ' '.join(process.cmdline()) # noqa
print("Get the process info using (path, name, cmdline): [%s / %s / %s]" % (path, name, cmdline))
for _p in proc_defs:
# logger.info("Look for process: [%s] / Status [%s]" % (_p, status.lower()))
# print("Look for process: [%s] / Status [%s]" % (_p, status.lower()))
if (status.lower() != "sleeping") and \
('name' in _p and _p['name'] in name) and \
('cwd' in _p and _p['cwd'] in path) and \
('cmdline' in _p and _p['cmdline'] in cmdline):
return True
except BaseException:
import traceback
tb = traceback.format_exc()
logger.debug(tb)
print(tb)
return False
def update_stats(self):
ResourceMonitor.lock.acquire()
ResourceMonitor.vmem_perc[1] = (ResourceMonitor.vmem_perc[0] + ResourceMonitor.vmem_perc[1]) / 2.0
ResourceMonitor.vmem_perc[0] = (ResourceMonitor.vmem_perc[1] + psutil.virtual_memory().percent) / 2.0
ResourceMonitor.cpu_perc[1] = ResourceMonitor.cpu_perc[0]
ResourceMonitor.cpu_perc[0] = psutil.cpu_percent(
interval=(ResourceMonitor.load_average_scan_minutes*60), percpu=False)
ResourceMonitor.lock.release()
def run(self):
while True:
self.update_stats()