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fix(swarm): accumulate execution_time across interrupt/resume cycles #1502

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Merged
pgrayy merged 3 commits into from
Jan 21, 2026
+6 −2
Merged

fix(swarm): accumulate execution_time across interrupt/resume cycles #1502

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69cafa5
fix(swarm): accumulate execution_time across interrupt/resume cycles
strands-agent Jan 16, 2026
85ca92a
fix(swarm): include accumulated time in should_continue timeout check
strands-agent Jan 16, 2026
b1b5d86
clean up
pgrayy Jan 20, 2026
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4 changes: 2 additions & 2 deletions src/strands/multiagent/swarm.py
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Original file line number Diff line number Diff line change
Expand Up @@ -199,7 +199,7 @@ def should_continue(
return False, f"Max iterations reached: {max_iterations}"

# Check timeout
elapsed = time.time() - self.start_time
elapsed = self.execution_time / 1000 + time.time() - self.start_time
if elapsed > execution_timeout:
return False, f"Execution timed out: {execution_timeout}s"

Expand Down Expand Up @@ -406,7 +406,7 @@ async def stream_async(
self.state.completion_status = Status.FAILED
raise
finally:
self.state.execution_time = round((time.time() - self.state.start_time) * 1000)
self.state.execution_time += round((time.time() - self.state.start_time) * 1000)
await self.hooks.invoke_callbacks_async(AfterMultiAgentInvocationEvent(self, invocation_state))
self._resume_from_session = False

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4 changes: 4 additions & 0 deletions tests/strands/multiagent/test_swarm.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1243,6 +1243,8 @@ def test_swarm_interrupt_on_before_node_call_event(interrupt_hook):

multiagent_result = swarm("Test task")

first_execution_time = multiagent_result.execution_time

tru_status = multiagent_result.status
exp_status = Status.INTERRUPTED
assert tru_status == exp_status
Expand Down Expand Up @@ -1279,6 +1281,8 @@ def test_swarm_interrupt_on_before_node_call_event(interrupt_hook):
exp_message = "Task completed"
assert tru_message == exp_message

assert multiagent_result.execution_time >= first_execution_time


def test_swarm_interrupt_on_agent(agenerator):
exp_interrupts = [
Expand Down
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