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library: <meminfo> api, update for current linux state

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Since last visited, there have been several new fields
added and one field deleted in the /proc/meminfo file.

[ references shown below represent linux git commits ]

Reference(s):
. 4/2020, added 'ShadowCallStack'
commit 628d06a48f57c36abdc2a024930212e654a501b7
. 9/2019, added 'FileHugePages' & 'FilePmdMapped'
commit 60fbf0ab5da1c360e02b7f7d882bf1c0d8f7e32a
. 9/2019, removed 'Quicklists'
commit 13224794cb0832caa403ad583d8605202cabc6bc

Signed-off-by: Jim Warner <james.warner@comcast.net>
This commit is contained in:
Jim Warner 2020-08-07 00:00:00 -05:00 committed by Craig Small
parent dbe34f6312
commit a9ea77e11c
2 changed files with 24 additions and 8 deletions
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24
proc/meminfo.c
View File

@ -54,6 +54,8 @@ struct meminfo_data {
unsigned long DirectMap4M;
unsigned long DirectMap4k;
unsigned long Dirty;
unsigned long FileHugePages;
unsigned long FilePmdMapped;
unsigned long HardwareCorrupted; // man 5 proc: 'to be documented'
unsigned long HighFree;
unsigned long HighTotal;
@ -79,9 +81,9 @@ struct meminfo_data {
unsigned long NFS_Unstable;
unsigned long PageTables;
unsigned long Percpu;
unsigned long Quicklists; // man 5 proc: 'to be documented'
unsigned long SReclaimable;
unsigned long SUnreclaim;
unsigned long ShadowCallStack;
unsigned long Shmem;
unsigned long ShmemHugePages;
unsigned long ShmemPmdMapped;
@ -158,6 +160,8 @@ MEM_set(MEM_DIRECTMAP_2M, ul_int, DirectMap2M)
MEM_set(MEM_DIRECTMAP_4K, ul_int, DirectMap4k)
MEM_set(MEM_DIRECTMAP_4M, ul_int, DirectMap4M)
MEM_set(MEM_DIRTY, ul_int, Dirty)
MEM_set(MEM_FILE_HUGEPAGES, ul_int, FileHugePages)
MEM_set(MEM_FILE_PMDMAPPED, ul_int, FilePmdMapped)
MEM_set(MEM_FREE, ul_int, MemFree)
MEM_set(MEM_HARD_CORRUPTED, ul_int, HardwareCorrupted)
MEM_set(MEM_HIGH_FREE, ul_int, HighFree)
@ -184,7 +188,7 @@ MEM_set(MEM_MAP_COPY, ul_int, MmapCopy)
MEM_set(MEM_NFS_UNSTABLE, ul_int, NFS_Unstable)
MEM_set(MEM_PAGE_TABLES, ul_int, PageTables)
MEM_set(MEM_PER_CPU, ul_int, Percpu)
MEM_set(MEM_QUICKLISTS, ul_int, Quicklists)
MEM_set(MEM_SHADOWCALLSTACK, ul_int, ShadowCallStack)
MEM_set(MEM_SHARED, ul_int, Shmem)
MEM_set(MEM_SHMEM_HUGE, ul_int, ShmemHugePages)
MEM_set(MEM_SHMEM_HUGE_MAP, ul_int, ShmemPmdMapped)
@ -218,6 +222,8 @@ HST_set(DELTA_DIRECTMAP_2M, s_int, DirectMap2M)
HST_set(DELTA_DIRECTMAP_4K, s_int, DirectMap4k)
HST_set(DELTA_DIRECTMAP_4M, s_int, DirectMap4M)
HST_set(DELTA_DIRTY, s_int, Dirty)
HST_set(DELTA_FILE_HUGEPAGES, s_int, FileHugePages)
HST_set(DELTA_FILE_PMDMAPPED, s_int, FilePmdMapped)
HST_set(DELTA_FREE, s_int, MemFree)
HST_set(DELTA_HARD_CORRUPTED, s_int, HardwareCorrupted)
HST_set(DELTA_HIGH_FREE, s_int, HighFree)
@ -244,7 +250,7 @@ HST_set(DELTA_MAP_COPY, s_int, MmapCopy)
HST_set(DELTA_NFS_UNSTABLE, s_int, NFS_Unstable)
HST_set(DELTA_PAGE_TABLES, s_int, PageTables)
HST_set(DELTA_PER_CPU, s_int, Percpu)
HST_set(DELTA_QUICKLISTS, s_int, Quicklists)
HST_set(DELTA_SHADOWCALLSTACK, s_int, ShadowCallStack)
HST_set(DELTA_SHARED, s_int, Shmem)
HST_set(DELTA_SHMEM_HUGE, s_int, ShmemHugePages)
HST_set(DELTA_SHMEM_HUGE_MAP, s_int, ShmemPmdMapped)
@ -314,6 +320,8 @@ static struct {
{ RS(MEM_DIRECTMAP_4K), TS(ul_int) },
{ RS(MEM_DIRECTMAP_4M), TS(ul_int) },
{ RS(MEM_DIRTY), TS(ul_int) },
{ RS(MEM_FILE_HUGEPAGES), TS(ul_int) },
{ RS(MEM_FILE_PMDMAPPED), TS(ul_int) },
{ RS(MEM_FREE), TS(ul_int) },
{ RS(MEM_HARD_CORRUPTED), TS(ul_int) },
{ RS(MEM_HIGH_FREE), TS(ul_int) },
@ -340,7 +348,7 @@ static struct {
{ RS(MEM_NFS_UNSTABLE), TS(ul_int) },
{ RS(MEM_PAGE_TABLES), TS(ul_int) },
{ RS(MEM_PER_CPU), TS(ul_int) },
{ RS(MEM_QUICKLISTS), TS(ul_int) },
{ RS(MEM_SHADOWCALLSTACK), TS(ul_int) },
{ RS(MEM_SHARED), TS(ul_int) },
{ RS(MEM_SHMEM_HUGE), TS(ul_int) },
{ RS(MEM_SHMEM_HUGE_MAP), TS(ul_int) },
@ -374,6 +382,8 @@ static struct {
{ RS(DELTA_DIRECTMAP_4K), TS(s_int) },
{ RS(DELTA_DIRECTMAP_4M), TS(s_int) },
{ RS(DELTA_DIRTY), TS(s_int) },
{ RS(DELTA_FILE_HUGEPAGES), TS(s_int) },
{ RS(DELTA_FILE_PMDMAPPED), TS(s_int) },
{ RS(DELTA_FREE), TS(s_int) },
{ RS(DELTA_HARD_CORRUPTED), TS(s_int) },
{ RS(DELTA_HIGH_FREE), TS(s_int) },
@ -400,7 +410,7 @@ static struct {
{ RS(DELTA_NFS_UNSTABLE), TS(s_int) },
{ RS(DELTA_PAGE_TABLES), TS(s_int) },
{ RS(DELTA_PER_CPU), TS(s_int) },
{ RS(DELTA_QUICKLISTS), TS(s_int) },
{ RS(DELTA_SHADOWCALLSTACK), TS(s_int) },
{ RS(DELTA_SHARED), TS(s_int) },
{ RS(DELTA_SHMEM_HUGE), TS(s_int) },
{ RS(DELTA_SHMEM_HUGE_MAP), TS(s_int) },
@ -547,6 +557,8 @@ static int meminfo_make_hash_failed (
htVAL(DirectMap4M)
htVAL(DirectMap4k)
htVAL(Dirty)
htVAL(FileHugePages)
htVAL(FilePmdMapped)
htVAL(HardwareCorrupted)
htVAL(HighFree)
htVAL(HighTotal)
@ -572,9 +584,9 @@ static int meminfo_make_hash_failed (
htVAL(NFS_Unstable)
htVAL(PageTables)
htVAL(Percpu)
htVAL(Quicklists)
htVAL(SReclaimable)
htVAL(SUnreclaim)
htVAL(ShadowCallStack)
htVAL(Shmem)
htVAL(ShmemHugePages)
htVAL(ShmemPmdMapped)

8
proc/meminfo.h
View File

@ -49,6 +49,8 @@ enum meminfo_item {
MEMINFO_MEM_DIRECTMAP_4K, // ul_int "
MEMINFO_MEM_DIRECTMAP_4M, // ul_int "
MEMINFO_MEM_DIRTY, // ul_int "
MEMINFO_MEM_FILE_HUGEPAGES, // ul_int "
MEMINFO_MEM_FILE_PMDMAPPED, // ul_int "
MEMINFO_MEM_FREE, // ul_int "
MEMINFO_MEM_HARD_CORRUPTED, // ul_int "
MEMINFO_MEM_HIGH_FREE, // ul_int "
@ -75,7 +77,7 @@ enum meminfo_item {
MEMINFO_MEM_NFS_UNSTABLE, // ul_int "
MEMINFO_MEM_PAGE_TABLES, // ul_int "
MEMINFO_MEM_PER_CPU, // ul_int "
MEMINFO_MEM_QUICKLISTS, // ul_int "
MEMINFO_MEM_SHADOWCALLSTACK, // ul_int "
MEMINFO_MEM_SHARED, // ul_int "
MEMINFO_MEM_SHMEM_HUGE, // ul_int "
MEMINFO_MEM_SHMEM_HUGE_MAP, // ul_int "
@ -109,6 +111,8 @@ enum meminfo_item {
MEMINFO_DELTA_DIRECTMAP_4K, // s_int "
MEMINFO_DELTA_DIRECTMAP_4M, // s_int "
MEMINFO_DELTA_DIRTY, // s_int "
MEMINFO_DELTA_FILE_HUGEPAGES, // s_int "
MEMINFO_DELTA_FILE_PMDMAPPED, // s_int "
MEMINFO_DELTA_FREE, // s_int "
MEMINFO_DELTA_HARD_CORRUPTED, // s_int "
MEMINFO_DELTA_HIGH_FREE, // s_int "
@ -135,7 +139,7 @@ enum meminfo_item {
MEMINFO_DELTA_NFS_UNSTABLE, // s_int "
MEMINFO_DELTA_PAGE_TABLES, // s_int "
MEMINFO_DELTA_PER_CPU, // s_int "
MEMINFO_DELTA_QUICKLISTS, // s_int "
MEMINFO_DELTA_SHADOWCALLSTACK, // s_int "
MEMINFO_DELTA_SHARED, // s_int "
MEMINFO_DELTA_SHMEM_HUGE, // s_int "
MEMINFO_DELTA_SHMEM_HUGE_MAP, // s_int "