Hello,
$ free -h
total used free shared buff/cache available
Mem: 15Gi 13Gi 1,2Gi 775Mi 1,6Gi 1,8Gi
Swap: 23Gi 754Mi 22Gi
# swapon -s
Filename Type Size Used Priority
/swap/swapfile file 8388604 0 -2
/dev/zram0 partition 16049832 772352 100
$ grep -i Huge /proc/meminfo
AnonHugePages: 227328 kB
ShmemHugePages: 65536 kB
FileHugePages: 26624 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
Hugetlb: 0 kB
# slabtop -s c -o | head -n 20
Active / Total Objects (% used) : 1483699 / 2145013 (69,2%)
Active / Total Slabs (% used) : 40183 / 40183 (100,0%)
Active / Total Caches (% used) : 162 / 231 (70,1%)
Active / Total Size (% used) : 419037,59K / 499492,20K (83,9%)
Minimum / Average / Maximum Object : 0,01K / 0,23K / 32,54K
OBJS ACTIVE USE OBJ SIZE SLABS OBJ/SLAB CACHE SIZE NAME
383194 280173 73% 0,57K 13750 28 220000K radix_tree_node
43254 43213 99% 1,01K 1538 31 49216K btrfs_inode
155274 149032 95% 0,19K 3697 42 29576K dentry
1550 1507 97% 10,25K 518 3 16576K task_struct
80146 67641 84% 0,18K 1823 44 14584K vm_area_struct
14357 13654 95% 0,70K 313 46 10016K proc_inode_cache
74730 74483 99% 0,13K 2491 30 9964K kernfs_node_cache
9568 9378 98% 1,00K 299 32 9568K kmalloc-1k
11012 9233 83% 0,62K 442 25 7072K inode_cache
3472 3388 97% 2,00K 217 16 6944K kmalloc-2k
79101 77947 98% 0,08K 1551 51 6204K Acpi-State
1392 1342 96% 4,00K 174 8 5568K kmalloc-4k
6775 6397 94% 0,77K 167 41 5344K shmem_inode_cache
$ cat /proc/meminfo
cat /proc/meminfo
MemTotal: 16049836 kB
MemFree: 1125960 kB
MemAvailable: 1303600 kB
Buffers: 12 kB
Cached: 1230464 kB
SwapCached: 2996 kB
Active: 10268236 kB
Inactive: 3198292 kB
Active(anon): 10070164 kB
Inactive(anon): 3009092 kB
Active(file): 198072 kB
Inactive(file): 189200 kB
Unevictable: 289464 kB
Mlocked: 168 kB
SwapTotal: 24438436 kB
SwapFree: 23101092 kB
Zswap: 0 kB
Zswapped: 0 kB
Dirty: 636 kB
Writeback: 0 kB
AnonPages: 3195760 kB
Mapped: 374928 kB
Shmem: 843120 kB
KReclaimable: 103260 kB
Slab: 340808 kB
SReclaimable: 103260 kB
SUnreclaim: 237548 kB
KernelStack: 27408 kB
PageTables: 51496 kB
SecPageTables: 2088 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 32463352 kB
Committed_AS: 14256464 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 253200 kB
VmallocChunk: 0 kB
Percpu: 10480 kB
HardwareCorrupted: 0 kB
AnonHugePages: 137216 kB
ShmemHugePages: 55296 kB
ShmemPmdMapped: 0 kB
FileHugePages: 137216 kB
FilePmdMapped: 137216 kB
CmaTotal: 0 kB
CmaFree: 0 kB
Unaccepted: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
Hugetlb: 0 kB
DirectMap4k: 8778840 kB
DirectMap2M: 7675904 kB
DirectMap1G: 1048576 kB
# Top processes by RAM usage from ps
456.38 MB /usr/lib/vmware/view/bin/vmware-view
359.66 MB /usr/lib64/firefox/firefox
293.54 MB /usr/lib64/firefox/firefox
276.14 MB vmware-remotemks
269.21 MB /usr/lib64/firefox/firefox
255.45 MB /usr/bin/plasmashell --no-respawn
254.81 MB /usr/lib64/firefox/firefox
230.74 MB /usr/lib64/firefox/firefox
216.01 MB /usr/lib64/firefox/firefox
214.38 MB /usr/lib64/firefox/firefox
$ smem -wk
Area Used Cache Noncache
firmware/hardware 0 0 0
kernel image 0 0 0
kernel dynamic memory 10.8G 918.2M 9.9G
userspace memory 3.3G 403.2M 2.9G
free memory 1.2G 1.2G 0
For context, this is a fresh installation of OpenSuse Tumbleweed with BTRFS. My device is an Intel laptop with an Nvidia dGPU. The system is vanilla apart from installing Nvidia drivers, I followed PRIME offloading steps on Arch wiki to power down the GPU while unused.
Thank you,
Kind regards.