Class: Metrix::Memory

Inherits:
Base
  • Object
show all
Defined in:
lib/metrix/memory.rb

Constant Summary collapse

MAPPING = 
{
  "MemTotal" => :mem_total,
  "MemFree" => :mem_free,
  "Buffers" => :buffers,
  "Cached" => :cached,
  "SwapCached" => :swap_cached,
  "Active" => :active,
  "Inactive" => :inactive,
  "Active(anon)" => :active_anon,
  "Inactive(anon)" => :inactive_anon,
  "Active(file)" => :active_file,
  "Inactive(file)" => :inactive_file,
  "Unevictable" => :unevictable,
  "Mlocked" => :mlocked,
  "SwapTotal" => :swap_total,
  "SwapFree" => :swap_free,
  "Dirty" => :dirty,
  "Writeback" => :writeback,
  "AnonPages" => :anon_pages,
  "Mapped" => :mapped,
  "Shmem" => :shmem,
  "Slab" => :slab,
  "SReclaimable" => :s_reclaimable,
  "SUnreclaim" => :s_unreclaim,
  "KernelStack" => :kernel_stack,
  "PageTables" => :page_tables,
  "NFS_Unstable" => :nfs_unstable,
  "Bounce" => :bounce,
  "WritebackTmp" => :writeback_tmp,
  "CommitLimit" => :commit_limit,
  "Committed_AS" => :committed_as,
  "VmallocTotal" => :vmalloc_total,
  "VmallocUsed" => :vmalloc_used,
  "VmallocChunk" => :vmalloc_chunk,
  "HardwareCorrupted" => :hardware_corrupted,
  "AnonHugePages" => :anon_huge_pages,
  "HugePages_Total" => :huge_pages_total,
  "HugePages_Free" => :huge_pages_free,
  "HugePages_Rsvd" => :huge_pages_rsvd,
  "HugePages_Surp" => :huge_pages_surp,
  "Hugepagesize" => :hugepagesize,
  "DirectMap4k" => :direct_map4k,
  "DirectMap2M" => :direct_map2m,
}

Instance Attribute Summary

Attributes inherited from Base

#attributes, #time

Instance Method Summary collapse

Methods inherited from Base

#cast_int, ignore, #ignore_metric?, ignore_metrics, inherited, known_metrics, #metrics, prefix, #prefix, set_known_metrics, set_prefix, subclasses, #tagged_metrics, #tags, #unfiltered_metrics

Constructor Details

#initialize(data) ⇒ Memory

Returns a new instance of Memory.



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# File 'lib/metrix/memory.rb', line 7

def initialize(data)
  @data = data
  @time = Time.now
end

Instance Method Details

#extract(data = nil) ⇒ Object 



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# File 'lib/metrix/memory.rb', line 65

def extract(data = nil)
  MAPPING.values.inject({}) do |hash, method|
    hash[method] = send(method)
    hash
  end
end

#parsed ⇒ Object 



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# File 'lib/metrix/memory.rb', line 72

def parsed
  @parsed ||= Hash[@data.scan(/^(.*?):\s*(\d+)/).map { |k, v| [k, cast_int(v)] }]
end