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tarantool / luajit / 7974019995
93%
tarantool/master: 93%

Build:
Build:
LAST BUILD BRANCH: skaplun/luajit-performance-tests
DEFAULT BRANCH: tarantool/master
Ran 20 Feb 2024 01:13PM UTC
Jobs 1
Files 89
Run time 9s
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20 Feb 2024 01:10PM UTC coverage: 88.979% (-0.02%) from 88.999%
7974019995

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ligurio
Handle all stack layouts in (delayed) TRACE vmevent.

Thanks to Sergey Bronnikov and Peter Cawley.

(cherry picked from commit b138ccfa9)

When recording a trace using a Lua code like
`repeat until `a >= 'b' > 'b'` a Lua error is encountered
(`attempt to compare string with nil`), which (along with
raising the error) causes an asynchronous trace abort.
The trace abort remains pending until the call of
`lua_pcall(L, 2, 0, 0)` that actually calls `jit.attach(trace_cb, nil)`.

On handling abort LuaJIT is searching for the topmost Lua frame
on the stack, that was active when the trace abort happened,
it is needed to generate a better error message.
Unfortunately, because the abort was due to an error, and
the error was caught by a `lua_pcall` with unspecified
error function (4th argument), the Lua frame that caused the abort
was already removed as part of error processing, so the search
cannot find it. Furthermore, in this particular case, there are
no Lua frames on the stack, which isn't something the search code
had considered possible.

Sergey Bronnikov:
* added the description and the test for the problem

Part of tarantool/tarantool#9145

5426 of 6016 branches covered (90.19%)

Branch coverage included in aggregate %.

20756 of 23409 relevant lines covered (88.67%)

2800564.14 hits per line

Jobs
ID Job ID Ran Files Coverage
1 7974019995.1 20 Feb 2024 01:13PM UTC 89
88.98
GitHub Action Run
Source Files on build 7974019995
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