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Ramast
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Joined: 12 Oct 2023
Posts: 11

PostPosted: Mon Feb 03, 2025 9:20 am    Post subject: Unexplainable high memory consumption under wayland Reply with quote

First I am not 100% sure this is Gentoo but am trying my luck.


I have 16GB of RAM. If I were to play a game like minecraft with few mods (RLCraft), then it completely fills up my memory. No other app can run beside it and even then sometimes system runs out of memory and shut down plasma-shell to have enough memory for the game. (I don’t use swap)

Now if I restart and use X11, I can play that exact same game and have firefox, mozilla thunderbird & signal running and still have 5 GB free memory.

The weird thing is that memory consumption per app doesn’t really differ much between X11 and wayland session but in wayland amount of memory used by all apps don’t add up to total used memory. like there is couple of GIgabytes unaccounted for.

I use KDE plasma if this is at all relevant.
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kgdrenefort
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Joined: 19 Sep 2023
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PostPosted: Mon Feb 03, 2025 1:35 pm    Post subject: Reply with quote

Hello,

that would be interesting to know what is your GPU vendor and model, what driver is installed for it, and more globally the output of :

Code:
emerge --info


I have noticed a better behavior of my desktop (plasma 6 too) under wayland, but terrible FPS in most games, with important lags.

But it is, it seems, linked to the fact I use NVidia GPU.

So I stay under Xorg for now, I also noticed better performance by using the free implementation of the proprietary driver.

Regards,
GASPARD DE RENEFORT
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Ramast
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PostPosted: Mon Feb 03, 2025 1:59 pm    Post subject: Reply with quote

I want to note that I suffer from no lag so long as I am proving enough memory.

My GPU is AMD

Code:

04:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Cezanne [Radeon Vega Series / Radeon Vega Mobile Series] (rev c5)
        Subsystem: ASUSTeK Computer Inc. Device 14fc
        Kernel driver in use: amdgpu
        Kernel modules: amdgpu


For emerge --info

Code:

Portage 3.0.66.1 (python 3.12.8-final-0, default/linux/amd64/23.0/desktop/plasma/systemd, gcc-14, glibc-2.40-r5, 6.6.67-gentoo x86_64)
=================================================================
System uname: Linux-6.6.67-gentoo-x86_64-AMD_Ryzen_7_5800HS_with_Radeon_Graphics-with-glibc2.40
KiB Mem:    15775528 total,   5759484 free
KiB Swap:          0 total,         0 free
Timestamp of repository gentoo: Sat, 11 Jan 2025 19:15:00 +0000
Head commit of repository gentoo: 76e3d4e37ca44610bef490f213506edf80d4e5a6
Head commit of repository nightdragon_layman: 3194d2cf5b17b86c80ec62eb8fc537f6683d9db8

sh bash 5.2_p37
ld GNU ld (Gentoo 2.43 p3) 2.43.1
app-misc/pax-utils:        1.3.8::gentoo
app-shells/bash:           5.2_p37::gentoo
dev-build/autoconf:        2.72-r1::gentoo
dev-build/automake:        1.16.5-r2::gentoo
dev-build/cmake:           3.30.6::gentoo
dev-build/libtool:         2.5.4::gentoo
dev-build/make:            4.4.1-r100::gentoo
dev-build/meson:           1.5.2::gentoo
dev-java/java-config:      2.3.4::gentoo
dev-lang/perl:             5.40.0::gentoo
dev-lang/python:           3.12.8::gentoo, 3.13.1::gentoo
dev-lang/rust-bin:         1.82.0-r101::gentoo
llvm-core/llvm:            18.1.8-r6::gentoo, 19.1.4::gentoo
sys-apps/baselayout:       2.17::gentoo
sys-apps/sandbox:          2.39::gentoo
sys-apps/systemd:          256.7::gentoo
sys-devel/binutils:        2.43-r2::gentoo
sys-devel/binutils-config: 5.5.2::gentoo
sys-devel/gcc:             14.2.1_p20241221::gentoo
sys-devel/gcc-config:      2.11::gentoo
sys-kernel/linux-headers:  6.6-r1::gentoo (virtual/os-headers)
sys-libs/glibc:            2.40-r5::gentoo
Repositories:

gentoo
    location: /var/db/repos/gentoo
    sync-type: rsync
    sync-uri: rsync://rsync.au.gentoo.org/gentoo-portage
    priority: -1000
    volatile: False
    sync-rsync-verify-jobs: 1
    sync-rsync-verify-metamanifest: yes
    sync-rsync-verify-max-age: 24
    sync-rsync-extra-opts:

local
    location: /var/db/repos/local
    masters: gentoo
    volatile: False

nightdragon_layman
    location: /var/db/repos/nightdragon_layman
    sync-type: git
    sync-uri: https://github.com/NightDragon1/nightdragon_layman.git
    masters: gentoo
    volatile: False

ACCEPT_KEYWORDS="amd64"
ACCEPT_LICENSE="@FREE"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=znver3 -O2 -pipe"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/config /usr/share/gnupg/qualified.txt /usr/share/themes/oxygen-gtk/gtk-2.0 /var/bind"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/dconf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d"
CXXFLAGS="-march=znver3 -O2 -pipe"
DISTDIR="/var/cache/distfiles"
EMERGE_DEFAULT_OPTS="--jobs 4"
ENV_UNSET="CARGO_HOME DBUS_SESSION_BUS_ADDRESS DISPLAY GDK_PIXBUF_MODULE_FILE GOBIN GOPATH PERL5LIB PERL5OPT PERLPREFIX PERL_CORE PERL_MB_OPT PERL_MM_OPT XAUTHORITY XDG_CACHE_HOME XDG_CONFIG_HOME XDG_DATA_HOME XDG_RUNTIME_DIR XDG_STATE_HOME"
FCFLAGS="-march=znver3 -O2 -pipe"
FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs buildpkg-live config-protect-if-modified distlocks ebuild-locks fixlafiles ipc-sandbox merge-sync merge-wait multilib-strict network-sandbox news parallel-fetch pid-sandbox pkgdir-index-trusted preserve-libs protect-owned qa-unresolved-soname-deps sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync"
FFLAGS="-march=znver3 -O2 -pipe"
GENTOO_MIRRORS="http://tux.rainside.sk/gentoo/     http://gentoo.aditsu.net:8000/     rsync://rsync.mirrors.ustc.edu.cn/gentoo/     https://mirror.reenigne.net/gentoo/     rsync://212.110.163.13/gentoo/"
LANG="en_GB.utf8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs"
LEX="flex"
MAKEOPTS="-j8"
PKGDIR="/var/cache/binpkgs"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages --exclude=/.git"
PORTAGE_TMPDIR="/var/tmp"
SHELL="/bin/bash"
USE="X a52 aac acl acpi activities alsa amd64 bluetooth branding bzip2 cairo cdda cet crypt cups dbus declarative dri dts encode exif flac gdbm gif gui iconv icu ipv6 jpeg jpeg2k kde kf6compat kwallet lcms libnotify libtirpc mad mng mp3 mp4 mpeg multilib ncurses networkmanager nls ogg opengl openmp pam pango pcre pdf peer_perms pipewire plasma png policykit ppds pulseaudio qml qt5 qt6 readline screencast sdl seccomp semantic-desktop sound spell ssl startup-notification svg systemd test-rust tiff truetype udev udisks unconfined unicode upower usb v4l vorbis wayland widgets wxwidgets x264 xattr xcb xft xml xv xvid zlib" ABI_X86="64 32" ADA_TARGET="gcc_13" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_anon authn_dbm authn_file authz_dbm authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir env expires ext_filter file_cache filter headers include info log_config logio mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="karbon sheets words" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="mmx mmxext sse sse2" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock greis isync itrax navcom oceanserver oncore rtcm104v2 rtcm104v3 sirf skytraq superstar2 tsip tripmate tnt ublox" GRUB_PLATFORMS="efi-64 pc" GUILE_SINGLE_TARGET="3-0" GUILE_TARGETS="3-0" INPUT_DEVICES="synaptics keyboard mouse evdev" KERNEL="linux" LCD_DEVICES="bayrad cfontz glk hd44780 lb216 lcdm001 mtxorb text" LUA_SINGLE_TARGET="lua5-1" LUA_TARGETS="lua5-1" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php8-2" POSTGRES_TARGETS="postgres10" PYTHON_SINGLE_TARGET="python3_12" PYTHON_TARGETS="python3_12" QEMU_SOFTMMU_TARGETS="x86_64 aarch64 arm" RUBY_TARGETS="ruby32" VIDEO_CARDS="amdgpu radeonsi" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipp2p iface geoip fuzzy condition tarpit sysrq proto logmark ipmark dhcpmac delude chaos account"
Unset:  ADDR2LINE, AR, ARFLAGS, AS, ASFLAGS, CC, CCLD, CONFIG_SHELL, CPP, CPPFLAGS, CTARGET, CXX, CXXFILT, ELFEDIT, EXTRA_ECONF, F77FLAGS, FC, GCOV, GPROF, INSTALL_MASK, LC_ALL, LD, LFLAGS, LIBTOOL, LINGUAS, MAKE, MAKEFLAGS, NM, OBJCOPY, OBJDUMP, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, PYTHONPATH, RANLIB, READELF, RUSTFLAGS, SIZE, STRINGS, STRIP, YACC, YFLAGS


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