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# File 'lib/zabbix-ruby-client/plugins/memory.rb', line 6
def collect(*args)
host = args[0]
meminfo = `cat /proc/meminfo`
if $?.to_i == 0
info = splitinfo(meminfo)
else
logger.warn "Please install sysstat."
return []
end
mem_total = info["MemTotal"] * 1024
mem_free = (info['MemFree'] + info['Buffers'] + info['Cached']) * 1024
mem_used = mem_total - mem_free
mem_percent = (mem_used / mem_total.to_f * 100).to_i
swap_total = info['SwapTotal'] * 1024
swap_free = info['SwapFree'] * 1024
swap_used = swap_total - swap_free
swap_percent = 0
unless swap_total == 0
swap_percent = (swap_used / swap_total.to_f * 100).to_i
end
time = Time.now.to_i
back = []
back << "#{host} memory[total] #{time} #{mem_total}"
back << "#{host} memory[used] #{time} #{mem_used}"
back << "#{host} memory[free] #{time} #{mem_free}"
back << "#{host} memory[percent_used] #{time} #{mem_percent}"
back << "#{host} memory[swap_total] #{time} #{swap_total}"
back << "#{host} memory[swap_used] #{time} #{swap_used}"
back << "#{host} memory[swap_free] #{time} #{swap_free}"
back << "#{host} memory[swap_percent_used] #{time} #{swap_percent}"
return back
end
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