/* * libprocps - Library to read proc filesystem * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef PROCPS_MEMINFO_H #define PROCPS_MEMINFO_H #include __BEGIN_DECLS enum meminfo_item { MEMINFO_noop, // ( never altered ) MEMINFO_extra, // ( reset to zero ) /* note: all of the following values are expressed as KiB */ MEMINFO_MEM_ACTIVE, // ul_int MEMINFO_MEM_ACTIVE_ANON, // ul_int MEMINFO_MEM_ACTIVE_FILE, // ul_int MEMINFO_MEM_ANON, // ul_int MEMINFO_MEM_AVAILABLE, // ul_int MEMINFO_MEM_BOUNCE, // ul_int MEMINFO_MEM_BUFFERS, // ul_int MEMINFO_MEM_CACHED, // ul_int MEMINFO_MEM_CACHED_ALL, // ul_int MEMINFO_MEM_COMMIT_LIMIT, // ul_int MEMINFO_MEM_COMMITTED_AS, // ul_int MEMINFO_MEM_HARD_CORRUPTED, // ul_int MEMINFO_MEM_DIRTY, // ul_int MEMINFO_MEM_FREE, // ul_int MEMINFO_MEM_HUGE_ANON, // ul_int MEMINFO_MEM_HUGE_FREE, // ul_int MEMINFO_MEM_HUGE_RSVD, // ul_int MEMINFO_MEM_HUGE_SIZE, // ul_int MEMINFO_MEM_HUGE_SURPLUS, // ul_int MEMINFO_MEM_HUGE_TOTAL, // ul_int MEMINFO_MEM_INACTIVE, // ul_int MEMINFO_MEM_INACTIVE_ANON, // ul_int MEMINFO_MEM_INACTIVE_FILE, // ul_int MEMINFO_MEM_KERNEL_STACK, // ul_int MEMINFO_MEM_LOCKED, // ul_int MEMINFO_MEM_MAPPED, // ul_int MEMINFO_MEM_NFS_UNSTABLE, // ul_int MEMINFO_MEM_PAGE_TABLES, // ul_int MEMINFO_MEM_SHARED, // ul_int MEMINFO_MEM_SHMEM_HUGE, // ul_int MEMINFO_MEM_SHMEM_HUGE_MAP, // ul_int MEMINFO_MEM_SLAB, // ul_int MEMINFO_MEM_SLAB_RECLAIM, // ul_int MEMINFO_MEM_SLAB_UNRECLAIM, // ul_int MEMINFO_MEM_TOTAL, // ul_int MEMINFO_MEM_UNEVICTABLE, // ul_int MEMINFO_MEM_USED, // ul_int MEMINFO_MEM_VM_ALLOC_CHUNK, // ul_int MEMINFO_MEM_VM_ALLOC_TOTAL, // ul_int MEMINFO_MEM_VM_ALLOC_USED, // ul_int MEMINFO_MEM_WRITEBACK, // ul_int MEMINFO_MEM_WRITEBACK_TMP, // ul_int MEMINFO_DELTA_ACTIVE, // s_int MEMINFO_DELTA_ACTIVE_ANON, // s_int MEMINFO_DELTA_ACTIVE_FILE, // s_int MEMINFO_DELTA_ANON, // s_int MEMINFO_DELTA_AVAILABLE, // s_int MEMINFO_DELTA_BOUNCE, // s_int MEMINFO_DELTA_BUFFERS, // s_int MEMINFO_DELTA_CACHED, // s_int MEMINFO_DELTA_CACHED_ALL, // s_int MEMINFO_DELTA_COMMIT_LIMIT, // s_int MEMINFO_DELTA_COMMITTED_AS, // s_int MEMINFO_DELTA_HARD_CORRUPTED, // s_int MEMINFO_DELTA_DIRTY, // s_int MEMINFO_DELTA_FREE, // s_int MEMINFO_DELTA_HUGE_ANON, // s_int MEMINFO_DELTA_HUGE_FREE, // s_int MEMINFO_DELTA_HUGE_RSVD, // s_int MEMINFO_DELTA_HUGE_SIZE, // s_int MEMINFO_DELTA_HUGE_SURPLUS, // s_int MEMINFO_DELTA_HUGE_TOTAL, // s_int MEMINFO_DELTA_INACTIVE, // s_int MEMINFO_DELTA_INACTIVE_ANON, // s_int MEMINFO_DELTA_INACTIVE_FILE, // s_int MEMINFO_DELTA_KERNEL_STACK, // s_int MEMINFO_DELTA_LOCKED, // s_int MEMINFO_DELTA_MAPPED, // s_int MEMINFO_DELTA_NFS_UNSTABLE, // s_int MEMINFO_DELTA_PAGE_TABLES, // s_int MEMINFO_DELTA_SHARED, // s_int MEMINFO_DELTA_SHMEM_HUGE, // s_int MEMINFO_DELTA_SHMEM_HUGE_MAP, // s_int MEMINFO_DELTA_SLAB, // s_int MEMINFO_DELTA_SLAB_RECLAIM, // s_int MEMINFO_DELTA_SLAB_UNRECLAIM, // s_int MEMINFO_DELTA_TOTAL, // s_int MEMINFO_DELTA_UNEVICTABLE, // s_int MEMINFO_DELTA_USED, // s_int MEMINFO_DELTA_VM_ALLOC_CHUNK, // s_int MEMINFO_DELTA_VM_ALLOC_TOTAL, // s_int MEMINFO_DELTA_VM_ALLOC_USED, // s_int MEMINFO_DELTA_WRITEBACK, // s_int MEMINFO_DELTA_WRITEBACK_TMP, // s_int MEMINFO_MEMHI_FREE, // ul_int MEMINFO_MEMHI_TOTAL, // ul_int MEMINFO_MEMHI_USED, // ul_int MEMINFO_MEMLO_FREE, // ul_int MEMINFO_MEMLO_TOTAL, // ul_int MEMINFO_MEMLO_USED, // ul_int MEMINFO_SWAP_CACHED, // ul_int MEMINFO_SWAP_FREE, // ul_int MEMINFO_SWAP_TOTAL, // ul_int MEMINFO_SWAP_USED // ul_int }; struct meminfo_result { enum meminfo_item item; union { signed int s_int; unsigned long ul_int; } result; }; struct meminfo_stack { struct meminfo_result *head; }; #define MEMINFO_GET( info, actual_enum, type ) ( { \ struct meminfo_result *r = procps_meminfo_get( info, actual_enum ); \ r ? r->result . type : 0; } ) #define MEMINFO_VAL( relative_enum, type, stack, info ) \ stack -> head [ relative_enum ] . result . type struct meminfo_info; int procps_meminfo_new (struct meminfo_info **info); int procps_meminfo_ref (struct meminfo_info *info); int procps_meminfo_unref (struct meminfo_info **info); struct meminfo_result *procps_meminfo_get ( struct meminfo_info *info, enum meminfo_item item); struct meminfo_stack *procps_meminfo_select ( struct meminfo_info *info, enum meminfo_item *items, int numitems); __END_DECLS #endif