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x11-session-research/phase0_evidence/x11_inventory_2026-05-03/04_measurement_instruments.txt
T
marfrit 5d34a957ee Phase 0: X11 paths + measurement-instrument inventory captured
Live Plasma X11 session on ohm probed over SSH; substrate is
healthy (xorg-server 21.1.22 + Mesa 26.0.5 / Panfrost,
modesetting in-server, all 7 needed X protocol extensions live).
Evidence in phase0_evidence/x11_inventory_2026-05-03/ — five raw
captures + inventory.md summary. Worklist deliverables 2 + 4
flipped to done with operator-action checklist for the remaining
gating items (no non-compositing WM installed today; six
candidates one pacman -S away, openbox recommended).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-03 07:16:11 +00:00

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=== measurement-tool availability ===
xtrace -> /usr/bin/xtrace
/usr/bin/xtrace is owned by glibc 2.43+r5+g856c426a7534-1
xev -> MISSING
xprop -> /usr/bin/xprop
/usr/bin/xprop is owned by xorg-xprop 1.2.8-1
xrandr -> MISSING
xdpyinfo -> /usr/bin/xdpyinfo
/usr/bin/xdpyinfo is owned by xorg-xdpyinfo 1.4.0-1
glxinfo -> /usr/bin/glxinfo
/usr/bin/glxinfo is owned by mesa-utils 9.0.0-7
glxgears -> /usr/bin/glxgears
/usr/bin/glxgears is owned by mesa-utils 9.0.0-7
drm_info -> /usr/bin/drm_info
/usr/bin/drm_info is owned by drm-info 2.9.0-1
perf -> /usr/bin/perf
/usr/bin/perf is owned by perf 7.0.2-1
xinput -> MISSING
xset -> /usr/bin/xset
/usr/bin/xset is owned by xorg-xset 1.2.5-2
xkill -> MISSING
xwininfo -> MISSING
xmessage -> /usr/bin/xmessage
/usr/bin/xmessage is owned by xorg-xmessage 1.0.7-2
compton -> MISSING
picom -> MISSING
xcompmgr -> MISSING
Xephyr -> MISSING
Xnest -> MISSING
=== pkg providers for not-yet-installed tools ===
Repository : extra
Name : x11-ssh-askpass
Description : Lightweight passphrase dialog for SSH
Repository : extra
Name : radeontop
Description : View GPU utilization for total activity percent and individual blocks
=== perf availability + can-attach-to-Xorg test ===
perf version 7.0.2-1
alarmtimer:alarmtimer_cancel [Tracepoint event]
alarmtimer:alarmtimer_fired [Tracepoint event]
alarmtimer:alarmtimer_start [Tracepoint event]
alarmtimer:alarmtimer_suspend [Tracepoint event]
asoc:snd_soc_bias_level_done [Tracepoint event]
(note: perf record on Xorg requires sudo unless kernel.perf_event_paranoid<=1)
2
=== xtrace 2-second probe of plasmashell pid (proves trace works on a live X client) ===
plasmashell pid: 24802
executable `-n' not found
Try `xtrace --help' or `xtrace --usage' for more information.
=== xev -1 probe (capture single event, root window) ===
timeout: failed to run command 'xev': No such file or directory
=== Present extension QueryVersion via xcb_present probe (Python) ===
libxcb-present: libxcb-present.so.0
libxcb: libxcb.so.1
=== compton/picom (compositors a non-Plasma-X11 session might use) ===
picom missing
compton missing
xcompmgr missing
=== chrome trace categories that include X11/dri info (chromium-fourier --trace-startup-categories listing) ===
-rwxr-xr-x 1 mfritsche mfritsche 524192400 May 2 11:49 /tmp/chromium-ohm-gl-fix-step2/chrome
-> chromium-fourier present
-rwxr-xr-x 1 root root 427 Apr 30 16:23 /usr/bin/brave
-> brave present
-> firefox missing