| Commit message (Collapse) | Author | Age | Files | Lines |
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Three separate wastes, all of the same family: waiting on a guess instead of a
signal, and paying for work that never had to be repeated.
1. The 64KB blob was built with os.urandom into a fresh TemporaryDirectory on
every run. New bytes at a new path means the pristine-database cache can
never apply, so full auto-analysis of 64KB of AArch64-decoded noise was paid
every single run. It is now built from a seeded PRNG at a stable path
(tests/.synthetic/, gitignored) and staged through the existing cache.
Determinism is also a correctness fix: whether 64KB of chance bytes contains
something IDA reads as a function is luck, and this suite asserts "and really
has no functions".
2. `wait(lambda: lst.model is not old, ..., 30)` after commenting. The perf work
made an item edit KEEP the listing's walk and re-render in place, so the
model object is never replaced and this waited out its full 30s timeout on
every run -- and then "commenting leaves the view where it was" passed
vacuously, because nothing had happened at all. A test that burns 30s to
check nothing is worse than no test.
3. Two `pause(2.0)`/`pause(2.5)` after a carve, replaced with settle() on a real
condition. The second one deliberately has NO predicate: that spot is random
data, so the carve may legitimately produce nothing, and "the row became
code" would never hold -- gating on it cost another 30s timeout. What that
check is about is the VIEW not moving, so the gate is "the app finished
reacting".
Fixing (1) exposed a real bug in the client, fixed here too: reopening a
database that already exists while passing loader switches is FATAL in IDA --
FATAL ERROR: Switch '-b400' can be used only when loading a new file
which kills the worker before it can report anything. Loader switches describe
an IMPORT and are recorded in the database they produce, so they are now sent
only when there is an import to describe. This was never reachable from the old
suite (a fresh random blob never had a database to reopen), but it is reachable
by any user who opens a raw blob with --ida-args twice.
30 passed, 0 failed.
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Mechanical part of the port: the 27-file patch was cut against a base ~148
commits behind us, so it did not apply. Resolved 11 conflicts (all of them
diff drift, not semantic clashes) and the three file deletions:
- app.py: the patch re-inserted _do_rename/_do_name_addr/_seek_split etc. as
"theirs" because our tree moved them to edit_ctl.py/trace_ctl.py. Kept ours
and applied the real intent (WorkerClient->CodeModeClient, .call->.invoke,
_open_worker_client->_open_database_client) at their current homes.
- domain.py: kept Head as a NamedTuple -- the patch reverted it to a frozen
dataclass, which the perf work measured at 2.9us vs 1.9us per row on a
quarter-million-row walk. Dropped _fetch_output (no download_url under Code
Mode) and its now-dead urllib/json imports.
- pane.py: the patch's deletion swallowed our zellij support along with the
worker-reaping block it meant to remove. Kept zellij, removed the reaping.
- test_scenarios.py: the idb_save->save_database teardown hunk belongs to
tests/_fixtures.py in our tree; applied it there and kept our pc_num_format
scenario that the drift landed on.
Three defects in the patch itself, fixed here:
- It made "import idatui" hard-require ida_codemode, so every offline suite
died at import -- including the pure ones (graph/index/trace) that are the
house rule for "tests/run.py --fast". The import is now deferred and gated
on the binding, which is also what lets the port's own contract tests
inject a fake DatabaseHandle.
- project.stage() inlined an ida_codemode.registry import and treated "library
not installed" as "someone owns this database", which broke IDA-free project
staging. Ownership lookup moved to codemode_client.database_owner().
- tests/test_codemode_client.py had no NEEDS_IDA marker, which tests/run.py
rejects outright.
Offline suite: 301 passed, 0 failed. Against master's 344 the whole delta is
accounted for: -40 worker_client (module deleted), -18 launch sweep checks
(behaviour deliberately removed) +3 guarding that it stays removed, +2 pool
(GUI-save semantics), +13 new codemode_client contract tests.
NOT yet done, and the port is not functional without it: the adapter is
missing five operations our tree grew since the patch's base (flowchart,
op_format, pc_nums, pc_num_format, survey_binary) and its "heads" predates
back-walking and digest/expect.
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test_trace_ui spent 18.8 of its 35.2 seconds in flat pilot.pause() calls placed
to let an async seek land. Two loops were most of it: 6 iterations at 0.5s and
28 at 0.3s, 11.4s of sleeping to check that a step moves the cursor.
They are condition waits now. The questions are unchanged -- does the listing
cursor reach the pc, does the pseudocode cursor follow -- but they cost what
they cost instead of a fixed budget. The second loop settles on something that
does NOT presuppose the answer (the listing cursor arriving, and the trail map
belonging to the loaded function): waiting on 'is this pc mapped' would have
burned the timeout on every unmapped instruction, about half of them, and come
out slower than the sleep it replaced.
35.2s -> 20.9s, 39 checks, stable over repeated runs.
tests/_fixtures.py collects the staging both this suite and test_scenarios need
-- scratch copy, seeded from a golden .i64 nothing writes back to -- which was
private to test_scenarios. Worth saying plainly: on targets/echo the seeding is
worth 0.19s, not the analysis time I assumed when I went looking. It is shared
for the deduplication and for whatever gets pointed at a bigger binary.
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