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#1 2023-07-20 21:39:04

gaymaphrodite
Member
Registered: 2021-01-20
Posts: 11

[SOLVED] Arch using 500Mb of RAM in tty after reboot.

I found abnormal memory usage on my system,
I was running on approximately 150Mb in tty mode, now it's almost 500. Recently I updated my software.

All following output was right after reboot.

free -h
               total        used        free      shared  buff/cache   available
Mem:           6.7Gi       497Mi       6.3Gi       1.1Mi       183Mi       6.2Gi
Swap:          5.8Gi          0B       5.8Gi

I noticed inconsistency in

htop

and in

free

Htop give me 270Mb of memory in tty, but free says that 500Mb is used.

I tried to investigate with some other commands but to no avail.

cat /proc/meminfo
MemTotal:        7038640 kB
MemFree:         6560696 kB
MemAvailable:    6525680 kB
Buffers:           45852 kB
Cached:           121980 kB
SwapCached:            0 kB
Active:           115332 kB
Inactive:         103472 kB
Active(anon):      36588 kB
Inactive(anon):    15476 kB
Active(file):      78744 kB
Inactive(file):    87996 kB
Unevictable:           0 kB
Mlocked:               0 kB
SwapTotal:       6062076 kB
SwapFree:        6062076 kB
Zswap:                 0 kB
Zswapped:              0 kB
Dirty:                 0 kB
Writeback:             0 kB
AnonPages:         51016 kB
Mapped:            42588 kB
Shmem:              1092 kB
KReclaimable:      29500 kB
Slab:              98960 kB
SReclaimable:      29500 kB
SUnreclaim:        69460 kB
KernelStack:        3344 kB
PageTables:         1192 kB
SecPageTables:         0 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:     9581396 kB
Committed_AS:     147588 kB
VmallocTotal:   34359738367 kB
VmallocUsed:       71628 kB
VmallocChunk:          0 kB
Percpu:             8704 kB
HardwareCorrupted:     0 kB
AnonHugePages:     16384 kB
ShmemHugePages:        0 kB
ShmemPmdMapped:        0 kB
FileHugePages:         0 kB
FilePmdMapped:         0 kB
CmaTotal:              0 kB
CmaFree:               0 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
Hugetlb:               0 kB
DirectMap4k:      177172 kB
DirectMap2M:     3954688 kB
DirectMap1G:     4194304 kB

In this post
unaccounted ram was calculated using formula
unaccounted = MemTotal - MemFree - Active - Inactive - Slab.
And in my case that's about 156Mb of unaccounted ram.
I have no idea what's using it.
I know that's sounds silly, but I'm just hoping it's not virus or smth.


If I run

ps aux

I don't notice anything.

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
root           1  0.1  0.1  21096 12144 ?        Ss   17:27   0:00 /sbin/init
root           2  0.0  0.0      0     0 ?        S    17:27   0:00 [kthreadd]
root           3  0.0  0.0      0     0 ?        I<   17:27   0:00 [rcu_gp]
root           4  0.0  0.0      0     0 ?        I<   17:27   0:00 [rcu_par_gp]
root           5  0.0  0.0      0     0 ?        I<   17:27   0:00 [slub_flushwq]
root           6  0.0  0.0      0     0 ?        I<   17:27   0:00 [netns]
root           7  0.0  0.0      0     0 ?        I    17:27   0:00 [kworker/0:0-events]
root           8  0.0  0.0      0     0 ?        I<   17:27   0:00 [kworker/0:0H-events_highpri]
root          10  0.0  0.0      0     0 ?        I    17:27   0:00 [kworker/u32:0-events_unbound]
root          11  0.0  0.0      0     0 ?        I<   17:27   0:00 [mm_percpu_wq]
root          12  0.0  0.0      0     0 ?        I    17:27   0:00 [kworker/u32:1-events_unbound]
root          13  0.0  0.0      0     0 ?        I    17:27   0:00 [rcu_tasks_kthread]
root          14  0.0  0.0      0     0 ?        I    17:27   0:00 [rcu_tasks_rude_kthread]
root          15  0.0  0.0      0     0 ?        I    17:27   0:00 [rcu_tasks_trace_kthread]
root          16  0.0  0.0      0     0 ?        S    17:27   0:00 [ksoftirqd/0]
root          17  0.0  0.0      0     0 ?        I    17:27   0:00 [rcu_preempt]
root          18  0.0  0.0      0     0 ?        S    17:27   0:00 [rcub/0]
root          19  0.0  0.0      0     0 ?        S    17:27   0:00 [migration/0]
root          20  0.0  0.0      0     0 ?        S    17:27   0:00 [idle_inject/0]
root          21  0.0  0.0      0     0 ?        S    17:27   0:00 [cpuhp/0]
root          22  0.0  0.0      0     0 ?        S    17:27   0:00 [cpuhp/1]
root          23  0.0  0.0      0     0 ?        S    17:27   0:00 [idle_inject/1]
root          24  0.0  0.0      0     0 ?        S    17:27   0:00 [migration/1]
root          25  0.0  0.0      0     0 ?        S    17:27   0:00 [ksoftirqd/1]
root          27  0.0  0.0      0     0 ?        I<   17:27   0:00 [kworker/1:0H-events_highpri]
root          28  0.0  0.0      0     0 ?        S    17:27   0:00 [cpuhp/2]
root          29  0.0  0.0      0     0 ?        S    17:27   0:00 [idle_inject/2]
root          30  0.0  0.0      0     0 ?        S    17:27   0:00 [migration/2]
root          31  0.0  0.0      0     0 ?        S    17:27   0:00 [ksoftirqd/2]
root          32  0.0  0.0      0     0 ?        I    17:27   0:00 [kworker/2:0-mm_percpu_wq]
root          33  0.0  0.0      0     0 ?        I<   17:27   0:00 [kworker/2:0H-events_highpri]
root          34  0.0  0.0      0     0 ?        S    17:27   0:00 [cpuhp/3]
root          35  0.0  0.0      0     0 ?        S    17:27   0:00 [idle_inject/3]
root          36  0.0  0.0      0     0 ?        S    17:27   0:00 [migration/3]
root          37  0.0  0.0      0     0 ?        S    17:27   0:00 [ksoftirqd/3]
root          39  0.0  0.0      0     0 ?        I<   17:27   0:00 [kworker/3:0H-events_highpri]
root          40  0.0  0.0      0     0 ?        S    17:27   0:00 [cpuhp/4]
root          41  0.0  0.0      0     0 ?        S    17:27   0:00 [idle_inject/4]
root          42  0.0  0.0      0     0 ?        S    17:27   0:00 [migration/4]
root          43  0.0  0.0      0     0 ?        S    17:27   0:00 [ksoftirqd/4]
root          45  0.0  0.0      0     0 ?        I<   17:27   0:00 [kworker/4:0H-events_highpri]
root          46  0.0  0.0      0     0 ?        S    17:27   0:00 [cpuhp/5]
root          47  0.0  0.0      0     0 ?        S    17:27   0:00 [idle_inject/5]
root          48  0.0  0.0      0     0 ?        S    17:27   0:00 [migration/5]
root          49  0.0  0.0      0     0 ?        S    17:27   0:00 [ksoftirqd/5]
root          51  0.0  0.0      0     0 ?        I<   17:27   0:00 [kworker/5:0H-events_highpri]
root          52  0.0  0.0      0     0 ?        S    17:27   0:00 [cpuhp/6]
root          53  0.0  0.0      0     0 ?        S    17:27   0:00 [idle_inject/6]
root          54  0.0  0.0      0     0 ?        S    17:27   0:00 [migration/6]
root          55  0.0  0.0      0     0 ?        S    17:27   0:00 [ksoftirqd/6]
root          57  0.0  0.0      0     0 ?        I<   17:27   0:00 [kworker/6:0H-events_highpri]
root          58  0.0  0.0      0     0 ?        S    17:27   0:00 [cpuhp/7]
root          59  0.0  0.0      0     0 ?        S    17:27   0:00 [idle_inject/7]
root          60  0.0  0.0      0     0 ?        S    17:27   0:00 [migration/7]
root          61  0.0  0.0      0     0 ?        S    17:27   0:00 [ksoftirqd/7]
root          63  0.0  0.0      0     0 ?        I<   17:27   0:00 [kworker/7:0H-events_highpri]
root          64  0.0  0.0      0     0 ?        S    17:27   0:00 [kdevtmpfs]
root          65  0.0  0.0      0     0 ?        I<   17:27   0:00 [inet_frag_wq]
root          66  0.0  0.0      0     0 ?        S    17:27   0:00 [kauditd]
root          67  0.0  0.0      0     0 ?        S    17:27   0:00 [khungtaskd]
root          68  0.0  0.0      0     0 ?        I    17:27   0:00 [kworker/u32:2-events_unbound]
root          69  0.0  0.0      0     0 ?        S    17:27   0:00 [oom_reaper]
root          70  0.0  0.0      0     0 ?        I<   17:27   0:00 [writeback]
root          71  0.0  0.0      0     0 ?        S    17:27   0:00 [kcompactd0]
root          72  0.0  0.0      0     0 ?        SN   17:27   0:00 [ksmd]
root          73  0.0  0.0      0     0 ?        I    17:27   0:00 [kworker/4:1-events]
root          74  0.0  0.0      0     0 ?        SN   17:27   0:00 [khugepaged]
root          75  0.0  0.0      0     0 ?        I<   17:27   0:00 [kintegrityd]
root          76  0.0  0.0      0     0 ?        I<   17:27   0:00 [kblockd]
root          77  0.0  0.0      0     0 ?        I<   17:27   0:00 [blkcg_punt_bio]
root          78  0.1  0.0      0     0 ?        I    17:27   0:01 [kworker/6:1-events]
root          79  0.0  0.0      0     0 ?        I    17:27   0:00 [kworker/1:1-events]
root          81  0.0  0.0      0     0 ?        I<   17:27   0:00 [tpm_dev_wq]
root          82  0.0  0.0      0     0 ?        I<   17:27   0:00 [ata_sff]
root          83  0.0  0.0      0     0 ?        I<   17:27   0:00 [edac-poller]
root          84  0.0  0.0      0     0 ?        I<   17:27   0:00 [devfreq_wq]
root          85  0.0  0.0      0     0 ?        S    17:27   0:00 [watchdogd]
root          86  0.0  0.0      0     0 ?        I<   17:27   0:00 [kworker/6:1H-kblockd]
root          87  0.0  0.0      0     0 ?        S    17:27   0:00 [irq/25-AMD-Vi]
root          88  0.0  0.0      0     0 ?        S    17:27   0:00 [kswapd0]
root          89  0.0  0.0      0     0 ?        I<   17:27   0:00 [kthrotld]
root          90  0.0  0.0      0     0 ?        S    17:27   0:00 [irq/26-aerdrv]
root          91  0.0  0.0      0     0 ?        S    17:27   0:00 [irq/27-aerdrv]
root          92  0.0  0.0      0     0 ?        I    17:27   0:00 [kworker/7:1-events_freezable]
root          93  0.0  0.0      0     0 ?        I    17:27   0:00 [kworker/3:1-cgroup_destroy]
root          94  0.0  0.0      0     0 ?        I    17:27   0:00 [kworker/5:1-events]
root          95  0.0  0.0      0     0 ?        I<   17:27   0:00 [acpi_thermal_pm]
root          96  0.0  0.0      0     0 ?        S    17:27   0:00 [xenbus_probe]
root          97  0.0  0.0      0     0 ?        I    17:27   0:00 [kworker/u32:3-phy0]
root          98  0.0  0.0      0     0 ?        I<   17:27   0:00 [amd_iommu_v2]
root          99  0.0  0.0      0     0 ?        I<   17:27   0:00 [mld]
root         100  0.0  0.0      0     0 ?        I<   17:27   0:00 [ipv6_addrconf]
root         102  0.0  0.0      0     0 ?        I<   17:27   0:00 [kworker/4:1H-kblockd]
root         108  0.0  0.0      0     0 ?        I<   17:27   0:00 [kstrp]
root         109  0.0  0.0      0     0 ?        I<   17:27   0:00 [zswap-shrink]
root         110  0.0  0.0      0     0 ?        I<   17:27   0:00 [kworker/u33:0-rtw_tx_wq]
root         111  0.0  0.0      0     0 ?        I<   17:27   0:00 [charger_manager]
root         140  0.0  0.0      0     0 ?        I<   17:27   0:00 [kworker/0:1H-kblockd]
root         141  0.0  0.0      0     0 ?        I<   17:27   0:00 [kworker/7:1H-kblockd]
root         165  0.0  0.0      0     0 ?        I<   17:27   0:00 [kworker/5:1H-kblockd]
root         166  0.0  0.0      0     0 ?        I<   17:27   0:00 [kworker/3:1H-kblockd]
root         167  0.0  0.0      0     0 ?        I<   17:27   0:00 [nvme-wq]
root         168  0.0  0.0      0     0 ?        I<   17:27   0:00 [nvme-reset-wq]
root         169  0.0  0.0      0     0 ?        I<   17:27   0:00 [nvme-delete-wq]
root         170  0.0  0.0      0     0 ?        I<   17:27   0:00 [nvme-auth-wq]
root         171  0.0  0.0      0     0 ?        I<   17:27   0:00 [kworker/2:1H-kblockd]
root         172  0.0  0.0      0     0 ?        I<   17:27   0:00 [kworker/1:1H-kblockd]
root         174  0.0  0.0      0     0 ?        I    17:27   0:00 [kworker/0:3-events]
root         176  0.0  0.0      0     0 ?        I    17:27   0:00 [kworker/6:2-events]
root         177  0.0  0.0      0     0 ?        I<   17:27   0:00 [amdgpu-reset-de]
root         178  0.0  0.0      0     0 ?        I<   17:27   0:00 [ttm]
root         179  0.0  0.0      0     0 ?        I<   17:27   0:00 [amdgpu_dm_hpd_r]
root         180  0.0  0.0      0     0 ?        I<   17:27   0:00 [amdgpu_dm_hpd_r]
root         181  0.0  0.0      0     0 ?        I<   17:27   0:00 [amdgpu_dm_hpd_r]
root         182  0.0  0.0      0     0 ?        I<   17:27   0:00 [amdgpu_dm_hpd_r]
root         183  0.0  0.0      0     0 ?        I<   17:27   0:00 [dm_vblank_contr]
root         184  0.0  0.0      0     0 ?        S    17:27   0:00 [card0-crtc0]
root         185  0.0  0.0      0     0 ?        S    17:27   0:00 [card0-crtc1]
root         186  0.0  0.0      0     0 ?        S    17:27   0:00 [card0-crtc2]
root         187  0.0  0.0      0     0 ?        S    17:27   0:00 [card0-crtc3]
root         188  0.0  0.0      0     0 ?        S    17:27   0:00 [gfx_low]
root         189  0.0  0.0      0     0 ?        S    17:27   0:00 [gfx_high]
root         190  0.0  0.0      0     0 ?        S    17:27   0:00 [comp_1.0.0]
root         191  0.0  0.0      0     0 ?        S    17:27   0:00 [comp_1.1.0]
root         192  0.0  0.0      0     0 ?        S    17:27   0:00 [comp_1.2.0]
root         193  0.0  0.0      0     0 ?        S    17:27   0:00 [comp_1.3.0]
root         194  0.0  0.0      0     0 ?        S    17:27   0:00 [comp_1.0.1]
root         195  0.0  0.0      0     0 ?        S    17:27   0:00 [comp_1.1.1]
root         196  0.0  0.0      0     0 ?        S    17:27   0:00 [comp_1.2.1]
root         197  0.0  0.0      0     0 ?        S    17:27   0:00 [comp_1.3.1]
root         198  0.0  0.0      0     0 ?        S    17:27   0:00 [sdma0]
root         199  0.0  0.0      0     0 ?        S    17:27   0:00 [vcn_dec]
root         200  0.0  0.0      0     0 ?        S    17:27   0:00 [vcn_enc0]
root         201  0.0  0.0      0     0 ?        S    17:27   0:00 [vcn_enc1]
root         202  0.0  0.0      0     0 ?        S    17:27   0:00 [jpeg_dec]
root         211  0.0  0.0      0     0 ?        I    17:27   0:00 [kworker/7:2-events]
root         214  0.0  0.0      0     0 ?        S    17:27   0:00 [jbd2/nvme0n1p8-8]
root         215  0.0  0.0      0     0 ?        I<   17:27   0:00 [ext4-rsv-conver]
root         223  0.2  0.0      0     0 ?        I    17:27   0:01 [kworker/2:3-mm_percpu_wq]
root         250  0.0  0.2  49648 16612 ?        Ss   17:27   0:00 /usr/lib/systemd/systemd-journald
root         255  0.0  0.0      0     0 ?        I<   17:27   0:00 [usbip_event]
root         256  0.0  0.0      0     0 ?        I<   17:27   0:00 [iprt-VBoxWQueue]
root         257  0.0  0.0      0     0 ?        S    17:28   0:00 [iprt-VBoxTscThread]
root         258  0.0  0.0      0     0 ?        I    17:28   0:00 [kworker/5:2-events]
root         260  0.0  0.0      0     0 ?        I    17:28   0:00 [kworker/4:2-cgroup_destroy]
root         271  0.0  0.1  33736  9344 ?        Ss   17:28   0:00 /usr/lib/systemd/systemd-udevd
root         327  0.0  0.0      0     0 ?        S    17:28   0:00 [irq/66-ELAN2204:00]
root         381  0.0  0.0      0     0 ?        S    17:28   0:00 [ccp-1-q2]
root         382  0.0  0.0      0     0 ?        S    17:28   0:00 [ccp-1-q3]
root         383  0.0  0.0      0     0 ?        S    17:28   0:00 [ccp-1-q4]
root         384  0.0  0.0      0     0 ?        S    17:28   0:00 [hwrng]
root         387  0.0  0.0      0     0 ?        I<   17:28   0:00 [cryptd]
root         424  0.0  0.0      0     0 ?        S    17:28   0:00 [irq/70-lis2dh12_accel-trigger]
root         433  0.0  0.0      0     0 ?        I<   17:28   0:00 [cfg80211]
root         443  0.0  0.0      0     0 ?        I<   17:28   0:00 [kworker/u33:2-hci0]
systemd+     445  0.0  0.1  90964  8192 ?        Ssl  17:28   0:00 /usr/lib/systemd/systemd-timesyncd
root         450  0.0  0.0      0     0 ?        I    17:28   0:00 [kworker/u32:4-events_unbound]
root         456  0.5  0.0      0     0 ?        S    17:28   0:03 [irq/77-rtw88_pci]
root         458  0.0  0.0      0     0 ?        I    17:28   0:00 [kworker/1:2]
dbus         467  0.0  0.0   8944  4608 ?        Ss   17:28   0:00 /usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation --syslog-only
dhcpcd       468  0.0  0.0   3088  2432 ?        Ss   17:28   0:00 dhcpcd: [manager] [ip4] [ip6]
root         469  0.0  0.1  50184  7936 ?        Ss   17:28   0:00 /usr/lib/systemd/systemd-logind
root         470  0.1  0.0   3492  2604 ?        S    17:28   0:00 dhcpcd: [privileged proxy]
dhcpcd       471  0.0  0.0   2888  1324 ?        S    17:28   0:00 dhcpcd: [network proxy]
dhcpcd       472  0.0  0.0   2888  1196 ?        S    17:28   0:00 dhcpcd: [control proxy]
root         474  0.0  0.0      0     0 ?        I    17:28   0:00 [kworker/3:2-events]
root         481  0.0  0.6 139072 47092 ?        Ssl  17:28   0:00 /usr/bin/python /usr/bin/firewalld --nofork --nopid
root         548  0.0  0.0  18408  5880 ?        Ss   17:28   0:00 wpa_supplicant -q -B -P /run/wpa_supplicant-wlp2s0.pid -i wlp2s0 -D nl80211,wext -c/run/netctl/wpa_supplicant-wlp2s0.conf
polkitd      574  0.0  0.1 308572  9948 ?        Ssl  17:28   0:00 /usr/lib/polkit-1/polkitd --no-debug
root         757  0.0  0.0   7964  4864 ?        Ss   17:28   0:00 login -- anton
dhcpcd       766  0.0  0.0   3068  1548 ?        S    17:28   0:00 dhcpcd: [BPF ARP] wlp2s0 192.168.0.187
anton        770  0.0  0.1  19992 11260 ?        Ss   17:28   0:00 /usr/lib/systemd/systemd --user
anton        771  0.0  0.0  24564  5276 ?        S    17:28   0:00 (sd-pam)
anton        779  0.1  0.0  10412  6400 tty1     Ss   17:28   0:00 -bash
root        1185 33.3  0.1  17544  7680 tty1     S+   17:38   0:00 sudo ps aux
root        1186  0.0  0.0  17544  2204 pts/0    Ss   17:38   0:00 sudo ps aux
root        1187  100  0.0  11460  4736 pts/0    R+   17:38   0:00 ps aux

Also I tried to check output of

smem -tk
  PID User     Command                         Swap      USS      PSS      RSS 
  779 anton    -bash                              0     3.0M     3.4M     5.5M 
  770 anton    /usr/lib/systemd/systemd --        0     2.1M     4.1M    11.3M 
  842 anton    python /usr/bin/smem -tk           0     8.3M    10.5M    14.6M 
-------------------------------------------------------------------------------
    3 1                                           0    13.3M    18.0M    31.4M 

And result of same command but with sudo priviliges

  PID User     Command                         Swap      USS      PSS      RSS 
  472 dhcpcd   dhcpcd: [control proxy]            0    76.0K   226.0K     1.2M 
  471 dhcpcd   dhcpcd: [network proxy]            0    76.0K   242.0K     1.3M 
  766 dhcpcd   dhcpcd: [BPF ARP] wlp2s0 19        0   252.0K   407.0K     1.7M 
  468 dhcpcd   dhcpcd: [manager] [ip4] [ip        0   424.0K   630.0K     2.5M 
  470 root     dhcpcd: [privileged proxy]         0   492.0K   713.0K     2.7M 
  851 root     sudo smem -tk                      0   116.0K   817.0K     2.4M 
  467 dbus     /usr/bin/dbus-daemon --syst        0     1.2M     1.8M     4.9M 
  757 root     login -- anton                     0     1.3M     2.1M     5.2M 
  469 root     /usr/lib/systemd/systemd-lo        0     1.4M     2.2M     8.1M 
  445 systemd-timesync /usr/lib/systemd/systemd-ti        0     1.6M     2.4M     8.2M 
  771 anton    (sd-pam)                           0     1.0M     2.4M     5.3M 
  850 root     sudo smem -tk                      0     1.0M     2.7M     7.7M 
  779 anton    -bash                              0     3.0M     3.4M     5.5M 
  271 root     /usr/lib/systemd/systemd-ud        0     2.7M     3.6M     9.6M 
  770 anton    /usr/lib/systemd/systemd --        0     2.1M     4.1M    11.3M 
  548 root     wpa_supplicant -q -B -P /ru        0     3.7M     4.2M     5.9M 
    1 root     /sbin/init                         0     1.0M     4.3M    12.6M 
  574 polkitd  /usr/lib/polkit-1/polkitd -        0     3.7M     5.5M     9.9M 
  250 root     /usr/lib/systemd/systemd-jo        0    10.5M    11.3M    17.0M 
  852 root     python /usr/bin/smem -tk           0     9.5M    11.7M    15.9M 
  481 root     /usr/bin/python /usr/bin/fi        0    33.5M    38.1M    46.3M 
-------------------------------------------------------------------------------
   21 6                                           0    78.6M   102.7M   185.1M 

So in conclusion I have no idea why my system using so much ram just running tty after reboot.
Also I tried to look at this post, but issues seems very different https://bbs.archlinux.org/viewtopic.php?id=274520

Last edited by gaymaphrodite (2023-07-21 15:15:52)

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#2 2023-07-21 06:03:47

seth
Member
From: Won't reply 2 private help req
Registered: 2012-09-03
Posts: 76,129

Re: [SOLVED] Arch using 500Mb of RAM in tty after reboot.

And in my case that's about 156Mb of unaccounted ram.

Likely just device management, fits your previous observation of "I was running on approximately 150Mb in tty mode"

https://bbs.archlinux.org/viewtopic.php … 2#p2107162

The most important question is whether there's any movement, ie. whether you're losing memory over time.
Otherwise all high-level tools are abstractions of limited meaning.

You could also try to downgrade (procps-ng, otherwise the kernel would be relevant, you can also try the LTS behavior) and compare the reports under those conditions.

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#3 2023-07-21 15:15:26

gaymaphrodite
Member
Registered: 2021-01-20
Posts: 11

Re: [SOLVED] Arch using 500Mb of RAM in tty after reboot.

You could also try to downgrade (procps-ng, otherwise the kernel would be relevant, you can also try the LTS behavior) and compare the reports under those conditions.

You were correct, the issue was about free command.
procps-ng updated their algorithm for calculating used ram.

I did downgrade procps-ng from 4.0.3 version to 3.3.15 and this is the results.

              total        used        free      shared  buff/cache   available
Mem:          6.7Gi       265Mi       6.3Gi       1.0Mi       198Mi       6.2Gi
Swap:         5.8Gi          0B       5.8Gi

Instead of 500Mb it shows usage of only 265Mb, I would assume that I had it before.

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