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feat(mcp): expose background-load readiness

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Smoke-testing the lock fix against a real 143M-zone capture
surfaced a second concurrent-mutation source: file loads spawn a
background thread that finishes populating zone/symbol statistics
after Worker construction returns, so get_all_zone_stats() et al.
could silently come back empty or partial with no way to tell
"not built yet" from "genuinely empty".

Adds is_background_done (a relaxed atomic, same as is_connected,
so no locked() wrapper needed) and surfaces it as background_done
in list_instances, with load_capture's docstring pointing callers
at it.
This commit is contained in:
Alan Tse
2026-07-19 01:59:48 -07:00
parent 15bc3fce1a
commit bfcec08e93
2 changed files with 30 additions and 7 deletions
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25
python/bindings/ServerModule.cpp
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@@ -230,14 +230,21 @@ PYBIND11_MODULE( TracyServerBindings, m )
// --- Sections ---
.def( "get_sections", locked( +[]( const Worker& w ) {
// GetSections() is keyed by category (multiple named section sets);
// flatten across categories, tagging each item with its category name.
py::list result;
for( auto& s : w.GetSections() )
for( const auto& kv : w.GetSections() )
{
py::dict d;
d["start"] = s.start.Val();
d["end"] = s.end.Val();
d["text"] = std::string( w.GetString( s.text ) );
result.append( d );
const char* category = w.GetSectionCategoryDescription( kv.first );
for( const auto& s : kv.second )
{
py::dict d;
d["category"] = std::string( category );
d["start"] = s.start.Val();
d["end"] = s.end.Val();
d["text"] = std::string( w.GetString( s.text ) );
result.append( d );
}
}
return result;
} ) )
@@ -1098,7 +1105,11 @@ PYBIND11_MODULE( TracyServerBindings, m )
// --- Connection control ---
.def( "is_connected", &Worker::IsConnected )
.def( "shutdown", &Worker::Shutdown )
.def( "disconnect", &Worker::Disconnect );
.def( "disconnect", &Worker::Disconnect )
// Plain relaxed atomic like IsConnected() above — no locked()
// needed. True once post-load zone/symbol stats have finished
// building; get_all_zone_stats() et al. can be empty until then.
.def( "is_background_done", &Worker::IsBackgroundDone );
// -------------------------------------------------------------------------
// FileRead