94 lines
2.8 KiB
Python
94 lines
2.8 KiB
Python
class DiskStatSample:
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def __init__(self, time):
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self.time = time
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self.diskdata = [0, 0, 0]
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def add_diskdata(self, new_diskdata):
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self.diskdata = [ a + b for a, b in zip(self.diskdata, new_diskdata) ]
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class CPUSample:
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def __init__(self, time, user, sys, io):
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self.time = time
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self.user = user
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self.sys = sys
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self.io = io
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def __str__(self):
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return str(self.time) + "\t" + str(self.user) + "\t" + str(self.sys) + "\t" + str(self.io);
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class ProcessSample:
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def __init__(self, time, state, cpu_sample):
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self.time = time
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self.state = state
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self.cpu_sample = cpu_sample
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def __str__(self):
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return str(self.time) + "\t" + str(self.state) + "\t" + str(self.cpu_sample);
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class ProcessStats:
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def __init__(self, process_list, sample_period, start_time, end_time):
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self.process_list = process_list
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self.sample_period = sample_period
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self.start_time = start_time
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self.end_time = end_time
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class Process:
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def __init__(self, pid, cmd, ppid, start_time):
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self.pid = pid
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self.cmd = cmd.strip('(').strip(')')
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self.ppid = ppid
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self.start_time = start_time
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self.samples = []
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self.parent = None
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self.child_list = []
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self.duration = 0
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self.active = None
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self.last_user_cpu_time = None
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self.last_sys_cpu_time = None
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def __str__(self):
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return " ".join([str(self.pid), self.cmd, str(self.ppid), '[ ' + str(len(self.samples)) + ' samples ]' ])
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def calc_stats(self, samplePeriod):
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if self.samples:
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firstSample = self.samples[0]
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lastSample = self.samples[-1]
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self.start_time = min(firstSample.time, self.start_time)
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self.duration = lastSample.time - self.start_time + samplePeriod
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activeCount = sum( [1 for sample in self.samples if sample.cpu_sample and sample.cpu_sample.sys + sample.cpu_sample.user + sample.cpu_sample.io > 0.0] )
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activeCount = activeCount + sum( [1 for sample in self.samples if sample.state == 'D'] )
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self.active = (activeCount>2)
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def calc_load(self, userCpu, sysCpu, interval):
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userCpuLoad = float(userCpu - self.last_user_cpu_time) / interval
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sysCpuLoad = float(sysCpu - self.last_sys_cpu_time) / interval
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cpuLoad = userCpuLoad + sysCpuLoad
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# normalize
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if cpuLoad > 1.0:
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userCpuLoad = userCpuLoad / cpuLoad;
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sysCpuLoad = sysCpuLoad / cpuLoad;
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return (userCpuLoad, sysCpuLoad)
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def set_parent(self, processMap):
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if self.ppid != None:
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self.parent = processMap.get(self.ppid)
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if self.parent == None and self.pid > 1:
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print "warning: no parent for pid '%i' with ppid '%i'" % (self.pid,self.ppid)
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def get_end_time(self):
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return self.start_time + self.duration
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class DiskSample:
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def __init__(self, time, read, write, util):
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self.time = time
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self.read = read
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self.write = write
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self.util = util
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self.tput = read + write
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def __str__(self):
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return "\t".join([str(self.time), str(self.read), str(self.write), str(self.util)])
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