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cabana: faster copy events (#27499)

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This commit is contained in:
Dean Lee
2023-03-06 07:55:22 +08:00
committed by GitHub
parent 703f5e34ba
commit 2de085d39d
1 changed files with 4 additions and 3 deletions
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tools/cabana/streams/livestream.cc
+4 -3
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@@ -89,10 +89,11 @@ void LiveStream::removeExpiredEvents() {
}
const std::vector<Event *> *LiveStream::events() const {
events_vector.clear();
std::lock_guard lk(lock);
events_vector.reserve(can_events.size());
std::copy(can_events.begin(), can_events.end(), std::back_inserter(events_vector));
if (events_vector.capacity() <= can_events.size()) {
events_vector.reserve(can_events.size() * 2);
}
events_vector.assign(can_events.begin(), can_events.end());
return &events_vector;
}