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### Author: dag@wieers.com class dstat_plugin(dstat): """ CPU frequency in percentage as reported by ACPI. """ def __init__(self): self.name = 'frequency' self.type = 'p' self.width = 4 self.scale = 34 def check(self): for cpu in glob.glob('/sys/devices/system/cpu/cpu[0-9]*'): if not os.access(cpu+'/cpufreq/scaling_cur_freq', os.R_OK): raise Exception, 'Cannot access acpi %s frequency information' % os.path.basename(cpu) def vars(self): ret = [] for name in glob.glob('/sys/devices/system/cpu/cpu[0-9]*'): ret.append(os.path.basename(name)) ret.sort() return ret # return os.listdir('/sys/devices/system/cpu/') def nick(self): return [name.lower() for name in self.vars] def extract(self): for cpu in self.vars: for line in dopen('/sys/devices/system/cpu/'+cpu+'/cpufreq/scaling_max_freq').readlines(): l = line.split() max = int(l[0]) for line in dopen('/sys/devices/system/cpu/'+cpu+'/cpufreq/scaling_cur_freq').readlines(): l = line.split() cur = int(l[0]) ### Need to close because of bug in sysfs (?) dclose('/sys/devices/system/cpu/'+cpu+'/cpufreq/scaling_cur_freq') self.set1[cpu] = self.set1[cpu] + cur * 100.0 / max if op.update: self.val[cpu] = self.set1[cpu] / elapsed else: self.val[cpu] = self.set1[cpu] if step == op.delay: self.set1[cpu] = 0 # vim:ts=4:sw=4:et