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49 lines
1.4 KiB
Python
49 lines
1.4 KiB
Python
###########################################################
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# Main function:
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# -----------------
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# self: self plugin object
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# mself: memphis object / principal class
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# pinfo: row with information about current tracing process
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############################################################
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def plg_on_top_data_refresh(self, pinfo):
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PI = self.INTERNALS['Plg'].proc
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pid = pinfo['pid']
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# Get JIFFIES CPU usage
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used_jiffies = pinfo['utime'] + pinfo['stime']
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last_ujiffies = get_pid_ujiffies(self, pid)
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cpu_usage = PI.get_CPU_usage(self.cpu_hz, used_jiffies, pinfo['start_time'])
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# Get PERCENT CPU usage
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if last_ujiffies == 0.0:
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pcpu = 0.0
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set_pid_ujiffies(self, pid, cpu_usage['used_jiffies'])
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data = [int(pcpu)]
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return data
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used_jiffies = cpu_usage['used_jiffies'] - last_ujiffies
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# Available jiffies are
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avail_jiffies = (500/1000.0)*self.cpu_hz # 500 = 0.5 second
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pcpu = ((used_jiffies*100)/avail_jiffies)
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set_pid_ujiffies(self, pid, cpu_usage['used_jiffies'])
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data = [int(pcpu)]
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return data
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def get_pid_ujiffies(self, pid):
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if pid in self.pids_ujiffies:
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return self.pids_ujiffies[pid]
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else:
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set_pid_ujiffies(self, pid, 0)
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return self.pids_ujiffies[pid]
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def set_pid_ujiffies(self, pid, ujiffies):
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self.pids_ujiffies[pid] = ujiffies
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