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Contents
module Honeybadger
module Util
class Stats
HAS_MEM = File.exists?("/proc/meminfo")
HAS_LOAD = File.exists?("/proc/loadavg")
class << self
def all
{ :mem => memory, :load => load }
end
# From https://github.com/bloopletech/webstats/blob/master/server/data_providers/mem_info.rb
def memory
out = {}
if HAS_MEM && (meminfo = run_meminfo)
out[:total], out[:free], out[:buffers], out[:cached] = meminfo[0..4].map { |l| l =~ /^.*?\: +(.*?) kB$/; ($1.to_i / 1024.0).to_f }
out[:free_total] = out[:free] + out[:buffers] + out[:cached]
end
out
end
# From https://github.com/bloopletech/webstats/blob/master/server/data_providers/cpu_info.rb
def load
out = {}
if HAS_LOAD && (loadavg = run_loadavg)
out[:one], out[:five], out[:fifteen] = loadavg.split(' ', 4).map(&:to_f)
end
out
end
private
def run_meminfo
run { IO.readlines("/proc/meminfo") }
end
def run_loadavg
run { IO.read("/proc/loadavg") }
end
def run
yield
rescue Errno::ENFILE
# Catch issues like 'Too many open files in system'
nil
end
end
end
end
end
Version data entries
38 entries across 38 versions & 2 rubygems