yast/yast-yast2

/**
 * File:
 *   proc_meminfo.scr
 * Summary:
 *   SCR Agent for reading /proc/meminfo
 * Access:
 *   read-only
 * Authors:
 *   Unknown <yast2-hacker@suse.de>
 * See:
 *   anyagent
 *   libscr
 * Example:
 *   Read (.proc.meminfo)
 *    -> $[
 *        "active":804312,
 *        "buffers":71292,
 *        "cached":254736,
 *        "highfree":0,
 *        "hightotal":0,
 *        "inactive":140676,
 *        "lowfree":9960,
 *        "lowtotal":1028088,
 *        "memfree":9960,
 *        "memtotal":1028088,
 *        "swapcached":30172,
 *        "swapfree":2037508,
 *        "swaptotal":2104472
 *       ]
 *
 * $Id$
 *
 * Returns a map. Keys for the map are: "active", "buffers", "cached",
 * "highfree", "hightotal", "inactive", "lowfree", "lowtotal", "memfree",
 * "memtotal", "swapcached", "swapfree", and "swaptotal".
 * Values for all but "mem", "swap" are the respective size in kB. 
 */
.proc.meminfo

`ag_anyagent(
  `Description (
  (`File("/proc/meminfo")),    // real file name
  "#\n",            // Comment
  true,                // read-only
  (`Tuple (
      `Choice (
    ["     ", `Sequence (`Whitespace(),"total",`String("^\n"))],
    ["Mem:", `mem(`Tuple (`Whitespace(), `total(`Number()), `Whitespace(), `used(`Number()), `Whitespace(), `free(`Number()), `Whitespace(), `shared(`Number()), `Whitespace(), `buffers(`Number()), `Whitespace(), `cached(`Number())))],
    ["Swap:", `swap(`Tuple (`Whitespace(), `total(`Number()), `Whitespace(), `used(`Number()), `Whitespace(), `free(`Number())))],
    ["MemTotal:", `Sequence (`Whitespace(), `memtotal(`Number()), `String("^\n"))],
    ["MemFree:", `Sequence (`Whitespace(), `memfree(`Number()), `String("^\n"))],
    ["MemShared:", `Sequence (`Whitespace(), `memshared(`Number()), `String("^\n"))],
    ["Buffers:", `Sequence (`Whitespace(), `buffers(`Number()), `String("^\n"))],
    ["Cached:", `Sequence (`Whitespace(), `cached(`Number()), `String("^\n"))],
    ["SwapCached:", `Sequence (`Whitespace(), `swapcached(`Number()), `String("^\n"))],
    ["Active:", `Sequence (`Whitespace(), `active(`Number()), `String("^\n"))],
    ["Inactive:", `Sequence (`Whitespace(), `inactive(`Number()), `String("^\n"))],
    ["HighTotal:", `Sequence (`Whitespace(), `hightotal(`Number()), `String("^\n"))],
    ["HighFree:", `Sequence (`Whitespace(), `highfree(`Number()), `String("^\n"))],
    ["LowTotal:", `Sequence (`Whitespace(), `lowtotal(`Number()), `String("^\n"))],
    ["LowFree:", `Sequence (`Whitespace(), `lowfree(`Number()), `String("^\n"))],
    ["SwapTotal:", `Sequence (`Whitespace(), `swaptotal(`Number()), `String("^\n"))],
    ["SwapFree:", `Sequence (`Whitespace(), `swapfree(`Number()), `String("^\n"))]
      ),
      `Continue ("\n")
  ))
  )
)