key      shmid perms                  size  cpid  lpid nattch   uid   gid  cuid  cgid      atime      dtime      ctime                   rss                  swap
      5555          1   644                  1024  6814 3838497      0     0     0     0     0 1784696853 1784696853 1783831530                  4096                     0
         0    1671177  1600                803056 1458256 1505851      6     0     0     0     0 1785461104 1785461104 1785301499                806912                     0
         0    1769497  1400                 44700 1449121 1457650      2    27    27     0     0 1785416958          0 1785416958                 45056                     0