marfrit
9a023e9264
3 in-session reps of chromium-fourier 149 / brave_drops_test.html /
Plasma Wayland 6.6.4 (kwin-fourier 6.6.4-3 + qt6-base-fourier
6.11.0-3 carry-overs intact). Tight cluster IQR=0:
drops_total=0, drops_post_warmup=0, frames_total=1685, kwin %CPU
median=0.00, mean=0.04. Perf samples on kwin (~30 over 70s) show
zero composite/dmabuf/GL symbols — only event-loop bookkeeping.
Most likely mechanism: KWin direct-scanout fast-path engaged for
the single-visible-client video case. The campaign's load-bearing
hypothesis ("X11 + non-compositing WM avoids per-frame GL composite
of NV12") is structurally weakened — KWin already avoids that work
under Wayland for this workload. Phase 1 needs to add a
multi-window A1' variant and drm_info-during-playback to confirm
direct-scanout, then revisit matrix cell design.
revert.log entry 6: SDDM autologin + state.conf swap that landed
the Plasma Wayland session for the A1 reps. Backup of original
state.conf preserved at /var/lib/sddm/state.conf.x11-research-bak;
single-command revert documented.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
111 lines
6.7 KiB
Plaintext
111 lines
6.7 KiB
Plaintext
=== uname -a ===
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Linux ohm 6.19.10-danctnix1-1-pinetab2 #1 SMP PREEMPT_DYNAMIC Sat, 28 Mar 2026 02:45:08 +0000 aarch64 GNU/Linux
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=== date / uptime ===
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2026-05-03T14:18:19+02:00
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14:18:19 up 22:44, 3 users, load average: 0.03, 0.05, 0.02
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=== loginctl list-sessions ===
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SESSION UID USER SEAT LEADER CLASS TTY IDLE SINCE
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345 1001 mfritsche seat0 24148 user tty2 yes 5h 20min ago
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346 1001 mfritsche - 24321 manager - no -
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433 1001 mfritsche seat0 35596 user tty1 no -
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439 1001 mfritsche - 36915 user - no -
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4 sessions listed.
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=== loginctl show-session 433 (full) ===
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Id=433
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User=1001
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Name=mfritsche
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Timestamp=Sun 2026-05-03 13:26:15 CEST
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TimestampMonotonic=78716378382
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VTNr=1
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Seat=seat0
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TTY=tty1
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Remote=no
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Service=sddm-autologin
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Desktop=KDE
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Scope=session-433.scope
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Leader=35596
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LeaderPIDFDId=35597
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Audit=433
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Type=wayland
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Class=user
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Active=yes
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State=active
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IdleHint=no
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IdleSinceHint=0
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IdleSinceHintMonotonic=0
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CanIdle=yes
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CanLock=yes
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LockedHint=yes
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=== kwin_wayland_wrapper cmdline ===
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pgrep: pattern that searches for process name longer than 15 characters will result in zero matches
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Try `pgrep -f' option to match against the complete command line.
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loglevel=4 root=/dev/mmcblk0p2 rw rootwait coherent_pool=2M
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=== kwin_wayland cmdline ===
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/usr/bin/kwin_wayland --wayland-fd 7 --socket wayland-0 --xwayland-fd 8 --xwayland-fd 9 --xwayland-display :0 --xwayland-xauthority /run/user/1001/xauth_mSWMnX --xwayland
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=== plasmashell version ===
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35808 /usr/bin/plasmashell --no-respawn
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36919 bash -c export WAYLAND_DISPLAY=wayland-0 XDG_RUNTIME_DIR=/run/user/1001; \ echo "=== uname -a ==="; uname -a; \ echo; echo "=== date / uptime ==="; date -Iseconds; uptime; \ echo; echo "=== loginctl list-sessions ==="; loginctl list-sessions; \ echo; echo "=== loginctl show-session 433 (full) ==="; loginctl show-session 433; \ echo; echo "=== kwin_wayland_wrapper cmdline ==="; cat /proc/$(pgrep -x kwin_wayland_wrapper)/cmdline | tr "\0" " "; echo; \ echo; echo "=== kwin_wayland cmdline ==="; cat /proc/$(pgrep -x kwin_wayland)/cmdline | tr "\0" " "; echo; \ echo; echo "=== plasmashell version ==="; pgrep -af plasmashell; plasmashell --version 2>&1 | head -3; \ echo; echo "=== kwin_wayland --version ==="; kwin_wayland --version 2>&1 | head -3; \ echo; echo "=== Xwayland (if running) ==="; pgrep -af Xwayland | head -5; \ echo; echo "=== full process tree filter ==="; ps -o pid,ppid,user,cmd -e | grep -E "(kwin|plasma|sddm|kded|kwallet|xdg-desktop|kglobalaccel|Xwayland|baloo)" | grep -v grep; \ echo; echo "=== /run/user/1001 wayland sockets ==="; ls /run/user/1001/ | grep -E "wayland|xauth"; \ echo; echo "=== thermal ==="; for z in /sys/class/thermal/thermal_zone*; do echo "$z: $(cat $z/type) = $(cat $z/temp)"; done; \ echo; echo "=== cpu governor ==="; cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor | sort -u; \ echo; echo "=== /dev/dri + /dev/video* ==="; ls -la /dev/dri/ /dev/video* 2>/dev/null; \ echo; echo "=== rockchip-drm bind ==="; cat /sys/class/drm/card0/device/uevent 2>/dev/null
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plasmashell 6.6.4
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=== kwin_wayland --version ===
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kwin 6.6.4
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=== Xwayland (if running) ===
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35705 /usr/bin/Xwayland :0 -auth /run/user/1001/xauth_mSWMnX -listenfd 8 -listenfd 9 -displayfd 62 -wm 67 -rootless -enable-ei-portal
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36919 bash -c export WAYLAND_DISPLAY=wayland-0 XDG_RUNTIME_DIR=/run/user/1001; \ echo "=== uname -a ==="; uname -a; \ echo; echo "=== date / uptime ==="; date -Iseconds; uptime; \ echo; echo "=== loginctl list-sessions ==="; loginctl list-sessions; \ echo; echo "=== loginctl show-session 433 (full) ==="; loginctl show-session 433; \ echo; echo "=== kwin_wayland_wrapper cmdline ==="; cat /proc/$(pgrep -x kwin_wayland_wrapper)/cmdline | tr "\0" " "; echo; \ echo; echo "=== kwin_wayland cmdline ==="; cat /proc/$(pgrep -x kwin_wayland)/cmdline | tr "\0" " "; echo; \ echo; echo "=== plasmashell version ==="; pgrep -af plasmashell; plasmashell --version 2>&1 | head -3; \ echo; echo "=== kwin_wayland --version ==="; kwin_wayland --version 2>&1 | head -3; \ echo; echo "=== Xwayland (if running) ==="; pgrep -af Xwayland | head -5; \ echo; echo "=== full process tree filter ==="; ps -o pid,ppid,user,cmd -e | grep -E "(kwin|plasma|sddm|kded|kwallet|xdg-desktop|kglobalaccel|Xwayland|baloo)" | grep -v grep; \ echo; echo "=== /run/user/1001 wayland sockets ==="; ls /run/user/1001/ | grep -E "wayland|xauth"; \ echo; echo "=== thermal ==="; for z in /sys/class/thermal/thermal_zone*; do echo "$z: $(cat $z/type) = $(cat $z/temp)"; done; \ echo; echo "=== cpu governor ==="; cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor | sort -u; \ echo; echo "=== /dev/dri + /dev/video* ==="; ls -la /dev/dri/ /dev/video* 2>/dev/null; \ echo; echo "=== rockchip-drm bind ==="; cat /sys/class/drm/card0/device/uevent 2>/dev/null
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=== full process tree filter ===
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32323 24321 mfritsc+ /usr/lib/xdg-desktop-portal
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35593 1 root /usr/bin/sddm
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35596 35593 root /usr/lib/sddm/sddm-helper --socket /tmp/sddm-auth-4b4ea02e-2743-406a-b7b4-cb9c61966af4 --id 1 --start /usr/lib/plasma-dbus-run-session-if-needed /usr/bin/startplasma-wayland --user mfritsche --autologin
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35599 35596 mfritsc+ /usr/bin/startplasma-wayland
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35676 24321 mfritsc+ /usr/bin/kwin_wayland_wrapper --xwayland
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35679 35676 mfritsc+ /usr/bin/kwin_wayland --wayland-fd 7 --socket wayland-0 --xwayland-fd 8 --xwayland-fd 9 --xwayland-display :0 --xwayland-xauthority /run/user/1001/xauth_mSWMnX --xwayland
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35705 35679 mfritsc+ /usr/bin/Xwayland :0 -auth /run/user/1001/xauth_mSWMnX -listenfd 8 -listenfd 9 -displayfd 62 -wm 67 -rootless -enable-ei-portal
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35733 24321 mfritsc+ /usr/bin/kded6
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35808 24321 mfritsc+ /usr/bin/plasmashell --no-respawn
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35950 24321 mfritsc+ /usr/lib/xdg-desktop-portal-gtk
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=== /run/user/1001 wayland sockets ===
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wayland-0
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wayland-0.lock
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xauth_QctOSR
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xauth_mSWMnX
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=== thermal ===
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/sys/class/thermal/thermal_zone0: cpu-thermal = 36111
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/sys/class/thermal/thermal_zone1: gpu-thermal = 32500
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=== cpu governor ===
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performance
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=== /dev/dri + /dev/video* ===
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crw-rw----+ 1 root video 81, 0 May 3 13:26 /dev/video0
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crw-rw----+ 1 root video 81, 1 May 3 13:26 /dev/video1
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crw-rw----+ 1 root video 81, 2 May 3 13:26 /dev/video2
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/dev/dri/:
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total 0
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drwxr-xr-x 3 root root 120 May 2 15:34 .
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drwxr-xr-x 19 root root 4080 May 3 13:26 ..
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drwxr-xr-x 2 root root 100 May 2 15:34 by-path
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crw-rw----+ 1 root video 226, 0 May 3 13:26 card0
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crw-rw----+ 1 root video 226, 1 May 3 13:26 card1
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crw-rw-rw- 1 root render 226, 128 May 2 15:34 renderD128
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=== rockchip-drm bind ===
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DRIVER=rockchip-drm
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OF_NAME=display-subsystem
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OF_FULLNAME=/display-subsystem
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OF_COMPATIBLE_0=rockchip,display-subsystem
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OF_COMPATIBLE_N=1
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MODALIAS=of:Ndisplay-subsystemT(null)Crockchip,display-subsystem
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