Sha256: 409427e315354b6b1df5c6b5ce5690b0c66b545075bd1e1337add6ec8712e0cf
Contents?: true
Size: 785 Bytes
Versions: 20
Compression:
Stored size: 785 Bytes
Contents
# frozen_string_literal: true
module Pitchfork
class MemInfo
attr_reader :rss, :pss, :shared_memory
def initialize(pid)
@pid = pid
update
end
def cow_efficiency(parent_meminfo)
shared_memory.to_f / parent_meminfo.rss * 100.0
end
def update
info = parse(File.read("/proc/#{@pid}/smaps_rollup"))
@pss = info.fetch(:Pss)
@rss = info.fetch(:Rss)
@shared_memory = info.fetch(:Shared_Clean) + info.fetch(:Shared_Dirty)
self
end
private
def parse(rollup)
fields = {}
rollup.each_line do |line|
if (matchdata = line.match(/(?<field>\w+)\:\s+(?<size>\d+) kB$/))
fields[matchdata[:field].to_sym] = matchdata[:size].to_i
end
end
fields
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems