Line data    Source code

       1             : // Snap Websites Server -- read /proc/meminfo
       2             : // Copyright (c) 2018-2019  Made to Order Software Corp.  All Rights Reserved
       3             : //
       4             : // https://snapwebsites.org/
       5             : // contact@m2osw.com
       6             : //
       7             : // This program is free software; you can redistribute it and/or modify
       8             : // it under the terms of the GNU General Public License as published by
       9             : // the Free Software Foundation; either version 2 of the License, or
      10             : // (at your option) any later version.
      11             : //
      12             : // This program is distributed in the hope that it will be useful,
      13             : // but WITHOUT ANY WARRANTY; without even the implied warranty of
      14             : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      15             : // GNU General Public License for more details.
      16             : //
      17             : // You should have received a copy of the GNU General Public License
      18             : // along with this program; if not, write to the Free Software
      19             : // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
      20             : #pragma once
      21             : 
      22             : // C++ lib
      23             : //
      24             : #include <cstdint>
      25             : 
      26             : 
      27             : namespace snap
      28             : {
      29             : 
      30             : // WARNING: we use uint64_t for all the members so that way we simplify
      31             : //          the internal parsing, some values are smaller and some may
      32             : //          even be boolean
      33             : //
      34           0 : struct meminfo_t
      35             : {
      36             :     bool            is_valid() const;
      37             : 
      38             :     uint64_t        f_mem_total = 0;
      39             :     uint64_t        f_mem_free = 0;
      40             :     uint64_t        f_mem_available = 0;
      41             :     uint64_t        f_buffers = 0;
      42             :     uint64_t        f_cached = 0;
      43             :     uint64_t        f_swap_cached = 0;
      44             :     uint64_t        f_active = 0;
      45             :     uint64_t        f_inactive = 0;
      46             :     uint64_t        f_active_anon = 0;
      47             :     uint64_t        f_inactive_anon = 0;
      48             :     uint64_t        f_active_file = 0;
      49             :     uint64_t        f_inactive_file = 0;
      50             :     uint64_t        f_unevictable = 0;
      51             :     uint64_t        f_mlocked = 0;
      52             :     uint64_t        f_swap_total = 0;
      53             :     uint64_t        f_swap_free = 0;
      54             :     uint64_t        f_dirty = 0;
      55             :     uint64_t        f_writeback = 0;
      56             :     uint64_t        f_anon_pages = 0;
      57             :     uint64_t        f_mapped = 0;
      58             :     uint64_t        f_shmem = 0;
      59             :     uint64_t        f_slab = 0;
      60             :     uint64_t        f_sreclaimable = 0;
      61             :     uint64_t        f_sunreclaim = 0;
      62             :     uint64_t        f_kernel_stack = 0;
      63             :     uint64_t        f_page_tables = 0;
      64             :     uint64_t        f_nfs_unstable = 0;
      65             :     uint64_t        f_bounce = 0;
      66             :     uint64_t        f_writeback_tmp = 0;
      67             :     uint64_t        f_commit_limit = 0;
      68             :     uint64_t        f_committed_as = 0;
      69             :     uint64_t        f_vmalloc_total = 0;
      70             :     uint64_t        f_vmalloc_used = 0;
      71             :     uint64_t        f_vmalloc_chunk = 0;
      72             :     uint64_t        f_hardware_corrupted = 0;
      73             :     uint64_t        f_anon_huge_pages = 0;
      74             :     uint64_t        f_cma_total = 0;
      75             :     uint64_t        f_cma_free = 0;
      76             :     uint64_t        f_huge_pages_total = 0;
      77             :     uint64_t        f_huge_pages_free = 0;
      78             :     uint64_t        f_huge_pages_rsvd = 0;
      79             :     uint64_t        f_huge_pages_surp = 0;
      80             :     uint64_t        f_huge_page_size = 0;
      81             :     uint64_t        f_direct_map4k = 0;
      82             :     uint64_t        f_direct_map2m = 0;
      83             :     uint64_t        f_direct_map1g = 0;
      84             : };
      85             : 
      86             : meminfo_t get_meminfo();
      87             : 
      88             : 
      89             : } // snap namespace
      90             : // vim: ts=4 sw=4 et