From b7cc56dd4437e6ceb063f15077a73e1197876186 Mon Sep 17 00:00:00 2001 From: Swung0x48 Date: Fri, 2 Oct 2026 23:36:47 -0400 Subject: [PATCH] [Docs] (Anland): record the app-driven desktop's timings, idle numbers and frame pacing --- .claude/skills/anland-mobilegl-plasma/SKILL.md | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/.claude/skills/anland-mobilegl-plasma/SKILL.md b/.claude/skills/anland-mobilegl-plasma/SKILL.md index 82533774..947c5d8b 100644 --- a/.claude/skills/anland-mobilegl-plasma/SKILL.md +++ b/.claude/skills/anland-mobilegl-plasma/SKILL.md @@ -35,7 +35,7 @@ nobody else is mid-test. Use your own `ct.sh` channel names (others use c, c2, - WSL distro **archlinux** with clang, lld, llvm, cmake, ninja. **lld's major version must equal clang/llvm-libs'** (lld 23 on llvm 22 broke `ld.lld`; working set: all 22.1.6). Then export the sysroot once: `bash scripts/xsysroot/refresh-sysroot.sh` (-> `~/sysroots/arch-kde-mgl` + `~/sysroots/aarch64-arch.cmake`; re-run after container package upgrades, then `xbuild.sh --reconfigure`). - MobileGL worktree (never build in the shared main checkout): `GIT_LFS_SKIP_SMUDGE=1 git worktree add ...`, `git submodule update --init --recursive`, and copy `3rdparty/glslang/External/spirv-tools` from the main checkout (the submodule leaves it empty). - anland worktree on `legacy-mobilegl-unified` (KWin patch/backend, startup script, `mobilegl-tools/`). -- Phone side that already exists and is NOT recreated by this skill: the APK (build: anland `consumers/anland_v5/android_consumer/MOBILEGL.md`, gradle `:app:assemblePlainDebug` with `MOBILEGL_DIST`, `-PmobileglApplicationId=com.anland.consumer.mobilegl`; reinstalling with another key changes the UID and needs the KernelSU grant again - `mobilegl-tools/ksu_grant.c`), the anland KernelSU modules (`anland-daemon`, `anland-awl`), the container with KWin's configured build tree `/root/mobilegl-build/kwin-6.7.4/build` and pristine `/root/gbm-dev/kwin-a/src`. +- Phone side that already exists and is NOT recreated by this skill: the APK (build: anland `consumers/anland_v5/android_consumer/MOBILEGL.md`, gradle `:app:assemblePlainDebug` with `MOBILEGL_DIST`, `-PmobileglApplicationId=com.anland.consumer.mobilegl -PanlandDefaultSocket=/data/local/tmp/anland-mobilegl/display.sock`, from Git Bash with `MSYS_NO_PATHCONV=1`; signed with this machine's `~/.android/debug.keystore`, so `adb install -r` works; reinstalling with another key changes the UID and needs the KernelSU grant again - `mobilegl-tools/ksu_grant.c`), the anland KernelSU modules (`anland-daemon`, `anland-awl`), the container with KWin's configured build tree `/root/mobilegl-build/kwin-6.7.4/build` and pristine `/root/gbm-dev/kwin-a/src`. - Install the helpers once (container must be running): `bash scripts/push-tools.sh` (device/*.sh -> `/data/local/tmp/anl`, `mgrun` -> container `/usr/local/bin`, `kwprep.sh` -> container `/root`). Run host scripts from Git Bash as `bash scripts/.sh`. Raw adb with device paths needs `MSYS_NO_PATHCONV=1` and the whole root command in one quoted string: `adb shell 'su -c "..."'`. A device script can also be run without pushing: `MSYS_NO_PATHCONV=1 adb shell 'su -c sh' < scripts/device/status.sh`. @@ -44,7 +44,9 @@ Run host scripts from Git Bash as `bash scripts/.sh`. Raw adb with device pa Nothing starts at phone boot (container `run_at_boot=0`). **Opening the app** (launcher icon = `am start -n com.anland.consumer.mobilegl/com.anland.consumer.MainActivity`, no extras; the APK's default socket is the experiment's, `-PanlandDefaultSocket`) calls `MobileGLDesktop.ensureStarted()` - the single trigger - which starts the foreground service and runs the APK's `assets/mobilegl-desktop.sh up` as root (`su`): display daemon if absent (the script leaves the app's cgroup first, so it survives the app) -> backend published -> container started if stopped -> `systemctl start --no-block desktop-session`. The window waits for the daemon socket; the server listens once the Surface is attached; the session's `wait` step then lets Plasma start. A reopen with everything up only reattaches the window. Log: `/data/local/tmp/anland-mobilegl/desktop.log`, logcat `AnlandMobileGL` ("MobileGL desktop up done in N ms"). -Hidden window, screen off, lock screen or swiped-away task: server and session stay (foreground service); KWin logs "viewer gone: output powered down" and idles, "viewer back" on return. **Stop desktop** (notification action, or `am startservice -n /com.anland.consumer.MobileGLWorker -a com.anland.consumer.mobilegl.STOP`) runs `mobilegl-desktop.sh down` (session + container stopped, daemon stays), closes the windows, ends `:mobilegl`. +Hidden window, screen off, lock screen or swiped-away task: server and session stay (foreground service); KWin turns the workspace's DPMS off (logs "viewer gone: output powered down"; windows get xdg_toplevel `suspended`, no frame callbacks) and back on ("viewer back"). Client swaps are paced by frame callbacks (`MG_Impl/EGLImpl/FrameThrottle.h`): interval >= 1 waits like any Wayland EGL; interval 0 (Chrome) drops to ~1 fps once a callback goes unanswered for 200 ms. + +Measured 2026-10-03 (Espryt, Chrome on webglsamples aquarium; % of one core, phone = all of Android): open-to-desktop cold 7.5-12.5 s (daemon 0.5, server 1.0, container 1.5, kwin ~5, plasmashell ~6-7), after a phone reboot 8.5 s, reopen of a running desktop 0.2 s; visible phone 249% / kwin 13 / chrome 99 / server 57 / GPU 22%, hidden 54 / 0 / 6 / 2 / 0%, locked 38 / 0 / 8 / 3 / 0%. Stop desktop 1.7 s. Wireless adb does not come back by itself after a reboot (re-enable it on the phone). **Stop desktop** (notification action, or `am startservice -n /com.anland.consumer.MobileGLWorker -a com.anland.consumer.mobilegl.STOP`) runs `mobilegl-desktop.sh down` (session + container stopped, daemon stays), closes the windows, ends `:mobilegl`. ```sh adb connect : # only for wireless debugging