8fcfb01a81
The copyrights of the source files were all out of date and were not the same format. This has been corrected. The source of the authors was examining the git log for each file. Signed-off-by: Craig Small <csmall@dropbear.xyz>
217 lines
9.9 KiB
C
217 lines
9.9 KiB
C
/*
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* meminfo.h - memory related declarations for libprocps
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*
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* Copyright © 2016-2023 Jim Warner <james.warner@comcast.net>
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* Copyright © 2015-2023 Craig Small <csmall@dropbear.xyz>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef PROCPS_MEMINFO_H
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#define PROCPS_MEMINFO_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum meminfo_item {
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MEMINFO_noop, // ( never altered )
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MEMINFO_extra, // ( reset to zero )
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/*
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note: all of the following values are expressed as KiB
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*/
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// returns origin, see proc(5)
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// ------- -------------------
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MEMINFO_MEM_ACTIVE, // ul_int /proc/meminfo
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MEMINFO_MEM_ACTIVE_ANON, // ul_int "
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MEMINFO_MEM_ACTIVE_FILE, // ul_int "
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MEMINFO_MEM_ANON, // ul_int "
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MEMINFO_MEM_AVAILABLE, // ul_int "
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MEMINFO_MEM_BOUNCE, // ul_int "
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MEMINFO_MEM_BUFFERS, // ul_int "
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MEMINFO_MEM_CACHED, // ul_int "
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MEMINFO_MEM_CACHED_ALL, // ul_int derived from MEM_CACHED + MEM_SLAB_RECLAIM
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MEMINFO_MEM_CMA_FREE, // ul_int /proc/meminfo
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MEMINFO_MEM_CMA_TOTAL, // ul_int "
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MEMINFO_MEM_COMMITTED_AS, // ul_int "
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MEMINFO_MEM_COMMIT_LIMIT, // ul_int "
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MEMINFO_MEM_DIRECTMAP_1G, // ul_int "
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MEMINFO_MEM_DIRECTMAP_2M, // ul_int "
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MEMINFO_MEM_DIRECTMAP_4K, // ul_int "
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MEMINFO_MEM_DIRECTMAP_4M, // ul_int "
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MEMINFO_MEM_DIRTY, // ul_int "
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MEMINFO_MEM_FILE_HUGEPAGES, // ul_int "
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MEMINFO_MEM_FILE_PMDMAPPED, // ul_int "
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MEMINFO_MEM_FREE, // ul_int "
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MEMINFO_MEM_HARD_CORRUPTED, // ul_int "
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MEMINFO_MEM_HIGH_FREE, // ul_int "
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MEMINFO_MEM_HIGH_TOTAL, // ul_int "
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MEMINFO_MEM_HIGH_USED, // ul_int derived from MEM_HIGH_TOTAL - MEM_HIGH_FREE
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MEMINFO_MEM_HUGETBL, // ul_int /proc/meminfo
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MEMINFO_MEM_HUGE_ANON, // ul_int "
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MEMINFO_MEM_HUGE_FREE, // ul_int "
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MEMINFO_MEM_HUGE_RSVD, // ul_int "
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MEMINFO_MEM_HUGE_SIZE, // ul_int "
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MEMINFO_MEM_HUGE_SURPLUS, // ul_int "
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MEMINFO_MEM_HUGE_TOTAL, // ul_int "
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MEMINFO_MEM_INACTIVE, // ul_int "
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MEMINFO_MEM_INACTIVE_ANON, // ul_int "
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MEMINFO_MEM_INACTIVE_FILE, // ul_int "
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MEMINFO_MEM_KERNEL_RECLAIM, // ul_int "
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MEMINFO_MEM_KERNEL_STACK, // ul_int "
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MEMINFO_MEM_LOCKED, // ul_int "
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MEMINFO_MEM_LOW_FREE, // ul_int "
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MEMINFO_MEM_LOW_TOTAL, // ul_int "
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MEMINFO_MEM_LOW_USED, // ul_int derived from MEM_LOW_TOTAL - MEM_LOW_FREE
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MEMINFO_MEM_MAPPED, // ul_int /proc/meminfo
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MEMINFO_MEM_MAP_COPY, // ul_int "
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MEMINFO_MEM_NFS_UNSTABLE, // ul_int "
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MEMINFO_MEM_PAGE_TABLES, // ul_int "
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MEMINFO_MEM_PER_CPU, // ul_int "
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MEMINFO_MEM_SHADOWCALLSTACK, // ul_int "
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MEMINFO_MEM_SHARED, // ul_int "
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MEMINFO_MEM_SHMEM_HUGE, // ul_int "
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MEMINFO_MEM_SHMEM_HUGE_MAP, // ul_int "
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MEMINFO_MEM_SLAB, // ul_int "
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MEMINFO_MEM_SLAB_RECLAIM, // ul_int "
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MEMINFO_MEM_SLAB_UNRECLAIM, // ul_int "
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MEMINFO_MEM_TOTAL, // ul_int "
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MEMINFO_MEM_UNEVICTABLE, // ul_int "
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MEMINFO_MEM_USED, // ul_int derived from MEM_TOTAL - MEM_AVAILABLE
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MEMINFO_MEM_VM_ALLOC_CHUNK, // ul_int /proc/meminfo
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MEMINFO_MEM_VM_ALLOC_TOTAL, // ul_int "
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MEMINFO_MEM_VM_ALLOC_USED, // ul_int "
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MEMINFO_MEM_WRITEBACK, // ul_int "
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MEMINFO_MEM_WRITEBACK_TMP, // ul_int "
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MEMINFO_DELTA_ACTIVE, // s_int derived from above
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MEMINFO_DELTA_ACTIVE_ANON, // s_int "
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MEMINFO_DELTA_ACTIVE_FILE, // s_int "
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MEMINFO_DELTA_ANON, // s_int "
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MEMINFO_DELTA_AVAILABLE, // s_int "
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MEMINFO_DELTA_BOUNCE, // s_int "
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MEMINFO_DELTA_BUFFERS, // s_int "
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MEMINFO_DELTA_CACHED, // s_int "
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MEMINFO_DELTA_CACHED_ALL, // s_int "
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MEMINFO_DELTA_CMA_FREE, // s_int "
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MEMINFO_DELTA_CMA_TOTAL, // s_int "
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MEMINFO_DELTA_COMMITTED_AS, // s_int "
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MEMINFO_DELTA_COMMIT_LIMIT, // s_int "
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MEMINFO_DELTA_DIRECTMAP_1G, // s_int "
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MEMINFO_DELTA_DIRECTMAP_2M, // s_int "
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MEMINFO_DELTA_DIRECTMAP_4K, // s_int "
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MEMINFO_DELTA_DIRECTMAP_4M, // s_int "
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MEMINFO_DELTA_DIRTY, // s_int "
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MEMINFO_DELTA_FILE_HUGEPAGES, // s_int "
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MEMINFO_DELTA_FILE_PMDMAPPED, // s_int "
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MEMINFO_DELTA_FREE, // s_int "
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MEMINFO_DELTA_HARD_CORRUPTED, // s_int "
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MEMINFO_DELTA_HIGH_FREE, // s_int "
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MEMINFO_DELTA_HIGH_TOTAL, // s_int "
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MEMINFO_DELTA_HIGH_USED, // s_int "
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MEMINFO_DELTA_HUGETBL, // s_int "
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MEMINFO_DELTA_HUGE_ANON, // s_int "
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MEMINFO_DELTA_HUGE_FREE, // s_int "
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MEMINFO_DELTA_HUGE_RSVD, // s_int "
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MEMINFO_DELTA_HUGE_SIZE, // s_int "
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MEMINFO_DELTA_HUGE_SURPLUS, // s_int "
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MEMINFO_DELTA_HUGE_TOTAL, // s_int "
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MEMINFO_DELTA_INACTIVE, // s_int "
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MEMINFO_DELTA_INACTIVE_ANON, // s_int "
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MEMINFO_DELTA_INACTIVE_FILE, // s_int "
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MEMINFO_DELTA_KERNEL_RECLAIM, // s_int "
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MEMINFO_DELTA_KERNEL_STACK, // s_int "
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MEMINFO_DELTA_LOCKED, // s_int "
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MEMINFO_DELTA_LOW_FREE, // s_int "
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MEMINFO_DELTA_LOW_TOTAL, // s_int "
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MEMINFO_DELTA_LOW_USED, // s_int "
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MEMINFO_DELTA_MAPPED, // s_int "
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MEMINFO_DELTA_MAP_COPY, // s_int "
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MEMINFO_DELTA_NFS_UNSTABLE, // s_int "
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MEMINFO_DELTA_PAGE_TABLES, // s_int "
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MEMINFO_DELTA_PER_CPU, // s_int "
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MEMINFO_DELTA_SHADOWCALLSTACK, // s_int "
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MEMINFO_DELTA_SHARED, // s_int "
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MEMINFO_DELTA_SHMEM_HUGE, // s_int "
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MEMINFO_DELTA_SHMEM_HUGE_MAP, // s_int "
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MEMINFO_DELTA_SLAB, // s_int "
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MEMINFO_DELTA_SLAB_RECLAIM, // s_int "
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MEMINFO_DELTA_SLAB_UNRECLAIM, // s_int "
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MEMINFO_DELTA_TOTAL, // s_int "
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MEMINFO_DELTA_UNEVICTABLE, // s_int "
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MEMINFO_DELTA_USED, // s_int "
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MEMINFO_DELTA_VM_ALLOC_CHUNK, // s_int "
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MEMINFO_DELTA_VM_ALLOC_TOTAL, // s_int "
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MEMINFO_DELTA_VM_ALLOC_USED, // s_int "
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MEMINFO_DELTA_WRITEBACK, // s_int "
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MEMINFO_DELTA_WRITEBACK_TMP, // s_int "
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MEMINFO_SWAP_CACHED, // ul_int /proc/meminfo
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MEMINFO_SWAP_FREE, // ul_int "
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MEMINFO_SWAP_TOTAL, // ul_int "
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MEMINFO_SWAP_USED, // ul_int derived from SWAP_TOTAL - SWAP_FREE
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MEMINFO_SWAP_DELTA_CACHED, // s_int derived from above
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MEMINFO_SWAP_DELTA_FREE, // s_int "
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MEMINFO_SWAP_DELTA_TOTAL, // s_int "
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MEMINFO_SWAP_DELTA_USED // s_int "
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};
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struct meminfo_result {
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enum meminfo_item item;
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union {
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signed int s_int;
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unsigned long ul_int;
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} result;
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};
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struct meminfo_stack {
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struct meminfo_result *head;
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};
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struct meminfo_info;
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#define MEMINFO_GET( info, actual_enum, type ) ( { \
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struct meminfo_result *r = procps_meminfo_get( info, actual_enum ); \
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r ? r->result . type : 0; } )
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#define MEMINFO_VAL( relative_enum, type, stack, info ) \
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stack -> head [ relative_enum ] . result . type
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int procps_meminfo_new (struct meminfo_info **info);
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int procps_meminfo_ref (struct meminfo_info *info);
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int procps_meminfo_unref (struct meminfo_info **info);
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struct meminfo_result *procps_meminfo_get (
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struct meminfo_info *info,
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enum meminfo_item item);
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struct meminfo_stack *procps_meminfo_select (
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struct meminfo_info *info,
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enum meminfo_item *items,
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int numitems);
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#ifdef XTRA_PROCPS_DEBUG
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# include "xtra-procps-debug.h"
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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