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path: root/services/console/lib/procmem/proc.py
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diff --git a/services/console/lib/procmem/proc.py b/services/console/lib/procmem/proc.py
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+#!/usr/bin/env python
+
+import sys, os
+import string
+
+class ProcInfo:
+
+ dir_path = "/proc/" # Our cute Proc File System
+ status_file = "status"
+ stat_file = "stat"
+
+ proc_list = [] # Our PID list :D
+ proc_info = [] #
+
+ def __init__(self):
+ self.proc_list = self.Get_PID_List()
+
+ # Returns Process List
+ def Get_PID_List(self):
+ list = []
+
+ # Exists our procfs ?
+ if os.path.isdir(self.dir_path):
+ # around dir entries
+ for f in os.listdir(self.dir_path):
+ if os.path.isdir(self.dir_path+f) & str.isdigit(f):
+ list.append(int(f))
+
+ return list
+
+ def MemoryInfo(self, pid):
+ # Path
+ pidfile = self.dir_path + str(pid) + "/stat"
+ try:
+ infile = open(pidfile, "r")
+ except:
+ print "Error trying " + pidfile
+ return None
+
+ # Parsing data , check 'man 5 proc' for details
+ data = infile.read().split()
+
+ infile.close()
+
+ state_dic = {
+ 'R': 'Running',
+ 'S': 'Sleeping',
+ 'D': 'Disk sleep',
+ 'Z': 'Zombie',
+ 'T': 'Traced/Stopped',
+ 'W': 'Paging'
+ }
+
+ # user and group owners
+ pidstat = os.stat(pidfile)
+
+ info = {
+ 'pid': int(data[0]), # Process ID
+ 'name': data[1].strip('()'), # Process name
+ 'state': data[2], # Process State, ex: R|S|D|Z|T|W
+ 'state_name': state_dic[data[2]], # Process State name, ex: Running, sleeping, Zombie, etc
+ 'ppid': int(data[3]), # Parent process ID
+ 'utime': int(data[13]), # Used jiffies in user mode
+ 'stime': int(data[14]), # Used jiffies in kernel mode
+ 'start_time': int(data[21]), # Process time from system boot (jiffies)
+ 'vsize': int(data[22]), # Virtual memory size used (bytes)
+ 'rss': int(data[23])*4, # Resident Set Size (bytes)
+ 'user_id': pidstat.st_uid, # process owner
+ 'group_id': pidstat.st_gid # owner group
+ }
+
+ return info
+
+
+ # Returns the CPU usage expressed in Jiffies
+ def get_CPU_usage(self, cpu_hz, used_jiffies, start_time):
+
+ # Uptime info
+ uptime_file = self.dir_path + "/uptime"
+ try:
+ infile = file(uptime_file, "r")
+ except:
+ print "Error trying uptime file"
+ return None
+
+ uptime_line = infile.readline()
+ uptime = string.split(uptime_line, " ",2)
+
+ infile.close()
+
+ # System uptime, from /proc/uptime
+ uptime = float(uptime[0])
+
+ # Jiffies
+ avail_jiffies = (uptime * cpu_hz) - start_time
+
+ cpu_usage = {'used_jiffies': used_jiffies, 'avail_jiffies': avail_jiffies}
+
+ return cpu_usage
+