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/*
* Linux /proc/meminfo metrics cluster
*
* Copyright (c) 2013 Red Hat.
* Copyright (c) 2002 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program 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 General Public License
* for more details.
*/
#define MEMINFO_VALID_VALUE(x) ((x) != (int64_t)-1)
#define MEMINFO_VALUE_OR_ZERO(x) (((x) == (int64_t)-1) ? 0 : (x))
/*
* All fields in /proc/meminfo
*/
typedef struct {
int64_t MemTotal;
int64_t MemFree;
int64_t MemAvailable;
int64_t MemShared;
int64_t Buffers;
int64_t Cached;
int64_t SwapCached;
int64_t Active;
int64_t Inactive;
int64_t Active_anon;
int64_t Inactive_anon;
int64_t Active_file;
int64_t Inactive_file;
int64_t Unevictable;
int64_t Mlocked;
int64_t HighTotal;
int64_t HighFree;
int64_t LowTotal;
int64_t LowFree;
int64_t MmapCopy;
int64_t SwapTotal;
int64_t SwapFree;
int64_t SwapUsed; /* computed */
int64_t Dirty;
int64_t Writeback;
int64_t Mapped;
int64_t Shmem;
int64_t Slab;
int64_t SlabReclaimable;
int64_t SlabUnreclaimable;
int64_t KernelStack;
int64_t CommitLimit;
int64_t Committed_AS;
int64_t PageTables;
int64_t Quicklists;
int64_t ReverseMaps;
int64_t AnonPages;
int64_t Bounce;
int64_t NFS_Unstable;
int64_t WritebackTmp;
int64_t VmallocTotal;
int64_t VmallocUsed;
int64_t VmallocChunk;
int64_t HardwareCorrupted;
int64_t AnonHugePages;
int64_t HugepagesTotal;
int64_t HugepagesFree;
int64_t HugepagesRsvd;
int64_t HugepagesSurp;
int64_t directMap4k;
int64_t directMap2M;
int64_t directMap1G;
} proc_meminfo_t;
extern int refresh_proc_meminfo(proc_meminfo_t *);
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