【开发日志】2026-01-25

[Irissssaa]

工作日志

1. 关闭了终端的实时调用栈输出，只输出程序的结果。如下：

iristseng@iZ2zeaeosnumduug01ryjjZ:~/data/async-rust-debugger$ make debug TESTCASE=minimal
make compile TESTCASE=minimal
make[1]: Entering directory '/home/iristseng/data/async-rust-debugger'
cd testcases/minimal && cargo build
    Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.02s
make[1]: Leaving directory '/home/iristseng/data/async-rust-debugger'
make just-debug TESTCASE=minimal
make[1]: Entering directory '/home/iristseng/data/async-rust-debugger'
cd testcases/minimal && \
PYTHONPATH=/home/iristseng/data/async-rust-debugger \
ASYNC_RUST_DEBUGGER_TEMP_DIR=/home/iristseng/data/async-rust-debugger/temp \
gdb -ex "python import async_rust_debugger" target/debug/minimal
GNU gdb (Ubuntu 15.0.50.20240403-0ubuntu1) 15.0.50.20240403-git
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License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
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For help, type "help".
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Reading symbols from target/debug/minimal...
warning: Missing auto-load script at offset 0 in section .debug_gdb_scripts
of file /home/iristseng/data/async-rust-debugger/testcases/minimal/target/debug/minimal.
Use `info auto-load python-scripts [REGEXP]' to list them.
[ARD] installed. Commands: ardb-trace, ardb-reset, ardb-load-whitelist, ardb-gen-whitelist
(gdb) ardb-gen-whitelist
[ARD] wrote whitelist: 5 symbols -> /home/iristseng/data/async-rust-debugger/temp/poll_functions.txt
(gdb) ardb-load-whitelist
[ARD] whitelist loaded: exact=5 prefix=0 from /home/iristseng/data/async-rust-debugger/temp/poll_functions.txt
(gdb) ardb-trace minimal::nonleaf::{async_fn#0}
Breakpoint 1 at 0x16c59: file src/main.rs, line 31.
[ARD] trace root: minimal::nonleaf::{async_fn#0}
(gdb) run
Starting program: /home/iristseng/data/async-rust-debugger/testcases/minimal/target/debug/minimal 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
sync_a(1)
sync_a(1)
sync_b(2)
sync_a(4)
sync_a(1)
sync_b(2)
leaf: 21
sync_a(2)
sync_a(2)
sync_b(3)
sync_a(6)
sync_a(2)
sync_b(3)
sync_b(30)
sync_a(2)
sync_b(3)
nonleaf: 66
sync_a(3)
sync_a(3)
sync_b(4)
sync_a(8)
sync_a(3)
sync_b(4)
sync_b(39)
block: 78
sync_a(4)
sync_b(5)
manual: 10
[Inferior 1 (process 1565587) exited normally]
(gdb) 

程序全过程的调用栈被输出到了文件 ardb.log 中

2. ardb-get-snapshot 命令实现：获得当前断点处的调用栈快照

[ARD] installed. Commands: ardb-gen-whitelist, ardb-load-whitelist, ardb-trace, ardb-get-snapshot, ardb-reset
(gdb) ardb-reset 
[ARD] reset done.
(gdb) ardb-gen-whitelist 
[ARD] wrote whitelist: 5 symbols -> /home/iristseng/data/async-rust-debugger/temp/poll_functions.txt
(gdb) ardb-load-whitelist 
[ARD] whitelist loaded: exact=5 prefix=0 from /home/iristseng/data/async-rust-debugger/temp/poll_functions.txt
(gdb) ardb-trace minimal::nonleaf::{async_fn#0}
Breakpoint 1 at 0x16c59: file src/main.rs, line 31.
[ARD] trace root: minimal::nonleaf::{async_fn#0}
(gdb) b main.rs:27
Breakpoint 2 at 0x16bd6: file src/main.rs, line 27.
(gdb) run
Starting program: /home/iristseng/data/async-rust-debugger/testcases/minimal/target/debug/minimal 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
sync_a(1)
sync_a(1)
sync_b(2)

Breakpoint 2, minimal::another_branch::{async_fn#0} () at src/main.rs:27
27          sync_a(y) * 3
(gdb) ardb-ge
ardb-gen-whitelist  ardb-get-snapshot   
(gdb) ardb-get-snapshot 
{"thread_id": 1, "path": [{"type": "sync", "cid": null, "func": "minimal::main", "addr": "0x55555556a014", "poll": 0, "state": "NON-ASYNC"}, {"type": "sync", "cid": null, "func": "minimal::block_on<minimal::async_fn_leaf::{async_fn_env#0}>", "addr": "0x55555556a635", "poll": 0, "state": "NON-ASYNC"}, {"type": "sync", "cid": null, "func": "minimal::async_fn_leaf::{async_fn#0}", "addr": "0x55555556a976", "poll": 0, "state": "NON-ASYNC"}, {"type": "sync", "cid": null, "func": "minimal::another_branch::{async_fn#0}", "addr": "0x55555556abd6", "poll": 0, "state": "NON-ASYNC"}]}
(gdb) c
Continuing.
sync_a(4)
sync_a(1)
sync_b(2)
leaf: 21
sync_a(2)
sync_a(2)
sync_b(3)

Breakpoint 2, minimal::another_branch::{async_fn#0} () at src/main.rs:27
27          sync_a(y) * 3
(gdb) ardb-get-snapshot 
{"thread_id": 1, "path": [{"type": "async", "cid": 1, "func": "minimal::nonleaf::{async_fn#0}", "addr": "0x7fffffffd0c4", "poll": 2, "state": 3}, {"type": "async", "cid": 2, "func": "minimal::async_fn_leaf::{async_fn#0}", "addr": "0x7fffffffd0d0", "poll": 2, "state": 3}, {"type": "async", "cid": 3, "func": "minimal::another_branch::{async_fn#0}", "addr": "0x7fffffffd0dc", "poll": 2, "state": 3}]}
(gdb) 

3. 写好 DA 的设计文档；

[Irissssaa]

关于 白名单中同步函数的内容，询问后知是我们人工自己手动添加进去的。

[Irissssaa]

会议内容

1. overleaf 文档；
2. 火焰图；
3. 跨特权级