No description
Rongsong Shen
0c8e417bda
xce_scheduler -i -s <replay>: WARN "failed to resolve job picker plugin (rc=-2)" on load, and every job already present in the replay file's INITIAL snapshot stayed PEND forever -- never even reached the picker, let alone got dispatched. Root cause: sched_sim_driver_start() (sim.c) loads the initial snapshot via xce_sched_core_load_snapshot() BEFORE any picker plugin is registered (sim.h's own documented "Known scope boundary" -- only the picker's NAME is threaded through from the ReplayHeader). sched_resolve_job_picker() therefore always returns -ENOENT there, and xce_sched_core_load_snapshot()'s own picker-rebuild walk (on_queue_update/on_job_push per queue/job) is silently skipped. The real builtin_fcfs picker only gets registered moments later in sched_sim_driver_run() -- but nothing then replayed that rebuild walk, so any job/queue from the INITIAL snapshot (as opposed to one arriving later via a ReplayEvent, which correctly reaches the picker through xce_core_push_events()'s own picker!=NULL check) was permanently invisible to next_job(). Fixed by a new file, sim_picker.c: sim_bootstrap_picker() (replacing sim_loop.c's sim_register_default_picker(), moved out because sim_loop.c was already at its own documented 800-line "zero line-budget headroom" cap) registers the picker AND then replays the missed rebuild walk against it. Wired into scheduler_srcs, sched_sim_isolation_lib, and all 9 white-box test TUs that #include sim_loop.c directly. New regression test (test_sim_event_loop.c): a job baked into a fixture's INITIAL snapshot (not a ReplayEvent) now gets a live PEND decision. RED confirmed by temporarily no-op'ing the rebuild walk (test failed as expected), GREEN with the real fix. Full scheduler suite green (41/41, excluding the pre-existing unrelated bug-1560). Note: sim mode still never DISPATCHes (only PENDs) -- that is a separate, intentionally out-of-scope gap (real resource-matching allocation belongs to the not-yet-designed scheduler-allocation spec), not addressed here. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> |
||
|---|---|---|
| .claude | ||
| .kiro | ||
| .wolf | ||
| docs/superpowers/plans | ||
| raft | ||
| reports | ||
| scripts | ||
| src | ||
| .clang-format | ||
| .gitignore | ||
| .mcp.json | ||
| .opencode.json | ||
| CLAUDE.md | ||
| README.md | ||
1. commit 规则
- 每个人 fork 自己的 branch， 从自己的 branch 做 PR，review 完再 commit
2. code format
2.1. C
推荐使用 clang-format，公共配置放在源码里面 xce/.clang-format
（理论上直接使用源码里面 xce/.clang-format 文件格式不会变）
2.1.1. vscode 可以在配置中加上如下内容
"C_Cpp.clang_format_style": "WebKit",
"C_Cpp.clang_format_fallbackStyle": "WebKit",
2.1.2. vim & emacs
clang-format -style="{BasedOnStyle: webkit}" -i XX.c
2.2. golang
使用默认 gofmt
3. build environment and build (example of ubuntu)
3.1 build environment
- Install nix package management tool
sh <(curl -L https://nixos.org/nix/install) --daemon
- Edit /etc/nix/nix.conf to make sure
experimental-features = nix-command flakes
sandbox = true
sandbox-fallback = false
substituters = https://mirrors.ustc.edu.cn/nix-channels/store https://cache.nixos.org https://cache.nixos.org/
trusted-users = root <your account>
make sure that you have restarted nix-daemon service after you have changed /etc/nix/nix.conf
- Install socat and config ssh (for clone by ssh protocol)
nix profile add nixpkgs#socat
.ssh/config
Host gitea.shenrs.eu
HostName gitea.shenrs.eu
IdentityFile ~/.ssh/id_ed25519
ProxyCommand socat - openssl-connect:gitea.shenrs.eu:2022,snihost=gitea.shenrs.eu,verify=0
3.2 checkout source code
3.3 build (for package and release)
cd xce/src
# for build debug version
nix build --option sandbox false .#xcecore_debug
# for normal build
nix build --option sandbox false .#xcecore
You can find the generated binaries at =result= directory
3.4 build (for daily develop)
cd xce/src
nix develop
# using meson to generated build configuration (debug and address sanitize)
meson setup build --buildtype=debug -Db_sanitize=address
# run meson to build
meson compile -C build
# The generated files will be in build/
3.5 build AppImage package
cd xce/src
nix bundle --bundler github:ralismark/nix-appimage --option sandbox false .#xce
This will create all in one AppImage file which contains everything for package delivery.
4. misc
4.1. Windows remap ctrl and alt key
create a reg file, e.g. remapkey.reg
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layout]
"Scancode Map"=hex:00,00,00,00,00,00,00,00,05,00,00,00,38,00,1d,00,1d,00,38,00,38,e0,1d,e0,1d,e0,38,e0,00,00,00,00
then double click remapkey.reg to import it. Restart OS.