class CloudWatchMetrics::Linux::MemInfo
Constants
- PATH
Attributes
time[R]
Public Class Methods
new()
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# File lib/cloud_watch_metrics/linux/meminfo.rb, line 10 def initialize @time = Time.now @data = File.readlines(PATH) .map { |line| /^([^:]+):\s+(\d+)/.match(line)&.captures } .compact .map { |key, value| [key, value.to_i] } .to_h end
Public Instance Methods
buffers()
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# File lib/cloud_watch_metrics/linux/meminfo.rb, line 31 def buffers @data.fetch('Buffers') end
cached()
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# File lib/cloud_watch_metrics/linux/meminfo.rb, line 27 def cached @data.fetch('Cached') end
mem_avail()
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# File lib/cloud_watch_metrics/linux/meminfo.rb, line 43 def mem_avail mem_free + cached + buffers end
mem_free()
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# File lib/cloud_watch_metrics/linux/meminfo.rb, line 23 def mem_free @data.fetch('MemFree') end
mem_total()
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# File lib/cloud_watch_metrics/linux/meminfo.rb, line 19 def mem_total @data.fetch('MemTotal') end
mem_used()
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# File lib/cloud_watch_metrics/linux/meminfo.rb, line 47 def mem_used mem_total - mem_avail end
mem_util()
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# File lib/cloud_watch_metrics/linux/meminfo.rb, line 51 def mem_util mem_used.to_f / mem_total end
swap?()
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# File lib/cloud_watch_metrics/linux/meminfo.rb, line 55 def swap? swap_total.positive? end
swap_free()
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# File lib/cloud_watch_metrics/linux/meminfo.rb, line 39 def swap_free @data.fetch('SwapFree') end
swap_total()
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# File lib/cloud_watch_metrics/linux/meminfo.rb, line 35 def swap_total @data.fetch('SwapTotal') end
swap_used()
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# File lib/cloud_watch_metrics/linux/meminfo.rb, line 59 def swap_used swap_total - swap_free end
swap_util()
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# File lib/cloud_watch_metrics/linux/meminfo.rb, line 63 def swap_util swap_used.to_f / swap_total end