监控linux的系统资源和自定义进程的cpu 内存占用。

 1 #coding=utf8
 2 import time
 3 import psutil
 4 from pprint import pprint
 5 
 6 from logger_until import  LoggerUntil
 7 logger = LoggerUntil(name="Monitor").getlog(logfilename=‘Monitor.log‘, loglevel=2, add_StreamHandler=1)
 8 
 9 need_monitor_procces_names = [
10 ‘touna0627.py‘,
11 ‘dailiip.py‘,
12 ‘redis-server‘,
13 ‘mongod‘,
14 ]
15 
16 
17 class Monitor(object):
18     def __init__(self):
19         self.specified_process_list = self.get_specified_process()
20 
21     def print_all_cmd_lines(self):
22         pass
23 
24     def get_specified_process(self):
25         all_pids = psutil.pids()
26         process_list = []
27         for pid in all_pids:
28             p = psutil.Process(pid)
29             p_cmdline = p.cmdline()
30             for argx in p_cmdline:
31                 for name in need_monitor_procces_names:
32                     if argx.find(name) > -1:
33                         if p.status() != ‘stopped‘:
34                             process_list.append(p)
35 
36         p_pid_set = set()
37         process_list2 = []
38         for p in process_list :
39             if p.pid not in p_pid_set:
40                 process_list2.append(p)
41                 p_pid_set.add(p.pid)
42         return  process_list2
43 
44 
45     def monitor_system(self):
46         psutil.cpu_percent()
47         time.sleep(1)
48         mem = psutil.virtual_memory()
49 
50         mem_total = mem.total/1000000
51         mem_available =mem.available/1000000
52         mem_percent = str(mem.percent) + ‘%‘
53 
54         cpu_count = psutil.cpu_count()
55         cpu_percent = psutil.cpu_percent()
56 
57         msg = ‘本机总内存是：{0}M ， 本机可用内存是：{1}M， 本机内存使用率是：{2}， 本机cpu核数是：{3}， 本机cpu使用率是：{4}‘.format(mem_total, mem_available, mem_percent,cpu_count,cpu_percent)
58         logger.info(msg)
59 
60 
61     def monitor_specified_process(self):
62         for p in self.specified_process_list:
63             p.cpu_percent(None)
64         time.sleep(1)
65         for p in self.specified_process_list:
66             #p = psutil.Process(0)
67             """:type :psutil.Process"""
68             cmdline_str =‘ ‘.join(p.cmdline()).ljust(60,‘ ‘)
69             p_cpu_percent_str = str(round(p.cpu_percent(),2)) +‘%‘
70             p_memory_percent_str = str(round(p.memory_percent(),2)) + ‘%‘
71             p_strated_time = time.strftime(‘%Y-%m-%d %H:%M:%S‘,time.localtime(p.create_time()))
72             p_pid_str = str(p.pid)
73             print p.status(),str(p.status())
74 
75             msg = ‘进程‘ + cmdline_str + ‘ 的pid是：‘ + p_pid_str  +‘  cpu使用率是：‘ + p_cpu_percent_str + ‘  内存使用率是：‘ +  p_memory_percent_str 76             +‘  进程的启动时间是：‘ + p_strated_time
77 
78             logger.info(msg)
79 
80 
81 def monitoring():
82     while 1:
83         monitor = Monitor()
84         monitor.monitor_system()
85         monitor.monitor_specified_process()
86         print ‘\n‘
87         time.sleep(10)
88 
89 
90 if __name__ == "__main__":
91     monitoring()