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### Authority: Dag Wieers <dag$wieers,com> class dstat_plugin(dstat): """ Most expensive CPU process. Displays the process that uses the CPU the most during the monitored interval. The value displayed is the percentage of CPU time for the total amount of CPU processing power. Based on per process CPU information. """ def __init__(self): self.name = 'most expensive' self.vars = ('memory process',) self.type = 's' self.width = 17 self.scale = 0 def extract(self): self.val['max'] = 0.0 for pid in proc_pidlist(): try: ### Using dopen() will cause too many open files l = proc_splitline('/proc/%s/stat' % pid) except IOError: continue if len(l) < 23: continue usage = int(l[23]) * pagesize ### Is it a new topper ? if usage <= self.val['max']: continue self.val['max'] = usage self.val['name'] = getnamebypid(pid, l[1][1:-1]) self.val['pid'] = pid self.output = '%-*s%s' % (self.width-5, self.val['name'][0:self.width-5], cprint(self.val['max'], 'f', 5, 1024)) ### Debug (show PID) # self.val['memory process'] = '%*s %-*s' % (5, self.val['pid'], self.width-6, self.val['name']) def showcsv(self): return '%s / %d%%' % (self.val['name'], self.val['max']) # vim:ts=4:sw=4:et