Sha256: 966a9486fc92ecef9cbf53e1dc37798421cbe981f9f079fd88436d25ee47304e
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Size: 1014 Bytes
Versions: 22
Compression:
Stored size: 1014 Bytes
Contents
#This class can manipulate the CPU behavior through "cpufreq".
class Knj::Cpufreq
attr_reader :data
def initialize(data)
@data = data
@allowed_govs = ["performance", "ondemand", "powersafe", "conservative"]
end
def self.list
ret = []
cont = File.read("/proc/cpuinfo")
matches = cont.scan(/processor\s*:[\s\S]+?\n\n/)
raise "Could not detect CPUs" if !matches or matches.empty?
matches.each do |cpucont|
cpu_features = {}
features = cpucont.scan(/(.+)\s*:\s*(.+)\s*/)
features.each do |data|
cpu_features[data[0].strip] = data[1].strip
end
ret << Knj::Cpufreq.new(cpu_features)
end
return ret
end
def governor=(newgov)
raise "Governor not found." if @allowed_govs.index(newgov) == nil
cmd = "cpufreq-set --cpu #{@data["processor"]} --governor #{newgov}"
res = Knj::Os::shellcmd(cmd)
if res.index("Error setting new values") != nil
raise res.strip
end
end
end
Version data entries
22 entries across 22 versions & 1 rubygems