Class: Vmstat::Memory

Inherits:
Struct
  • Object
show all
Defined in:
lib/vmstat/memory.rb

Overview

Gathered memory data snapshot.

Direct Known Subclasses

LinuxMemory

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#active ⇒ Fixnum

The number of active pages in the system.

Returns:

  • (Fixnum) —

    the current value of active



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# File 'lib/vmstat/memory.rb', line 17

def active
  @active
end

#free ⇒ Fixnum

The number of free pages in the system.

Returns:

  • (Fixnum) —

    the current value of free



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# File 'lib/vmstat/memory.rb', line 17

def free
  @free
end

#inactive ⇒ Fixnum

The number of inactive pages in the system.

Returns:

  • (Fixnum) —

    the current value of inactive



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# File 'lib/vmstat/memory.rb', line 17

def inactive
  @inactive
end

#pageins ⇒ Fixnum

The number of pageins.

Returns:

  • (Fixnum) —

    the current value of pageins



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# File 'lib/vmstat/memory.rb', line 17

def pageins
  @pageins
end

#pageouts ⇒ Fixnum

The number of pageouts.

Returns:

  • (Fixnum) —

    the current value of pageouts



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# File 'lib/vmstat/memory.rb', line 17

def pageouts
  @pageouts
end

#pagesize ⇒ Fixnum

The page size of the memory in bytes.

Returns:

  • (Fixnum) —

    the current value of pagesize



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# File 'lib/vmstat/memory.rb', line 17

def pagesize
  @pagesize
end

#wired ⇒ Fixnum

The number of wired pages in the system.

Returns:

  • (Fixnum) —

    the current value of wired



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# File 'lib/vmstat/memory.rb', line 17

def wired
  @wired
end

Instance Method Details

#active_bytes ⇒ Fixnum

Calculate the active bytes based of the active pages.

Returns:

  • (Fixnum) —

    active bytes



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# File 'lib/vmstat/memory.rb', line 27

def active_bytes
  active * pagesize
end

#free_bytes ⇒ Fixnum

Calculate the free bytes based of the free pages.

Returns:

  • (Fixnum) —

    free bytes



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# File 'lib/vmstat/memory.rb', line 39

def free_bytes
  free * pagesize
end

#inactive_bytes ⇒ Fixnum

Calculate the inactive bytes based of the inactive pages.

Returns:

  • (Fixnum) —

    inactive bytes



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# File 'lib/vmstat/memory.rb', line 33

def inactive_bytes
  inactive * pagesize
end

#total_bytes ⇒ Fixnum

Calculate the total bytes based of all pages

Returns:

  • (Fixnum) —

    total bytes



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# File 'lib/vmstat/memory.rb', line 45

def total_bytes
  (wired + active + inactive + free) * pagesize
end

#wired_bytes ⇒ Fixnum

Calculate the wired bytes based of the wired pages.

Returns:

  • (Fixnum) —

    wired bytes



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# File 'lib/vmstat/memory.rb', line 21

def wired_bytes
  wired * pagesize
end