profile CPU GPU tier execution costs

c/tests/test_benchmark_cuda_fixture.py

@@ -1,11 +1,12 @@
 import unittest
 
-from tools.benchmark_cuda_fixture import parse_output
+from tools.benchmark_cuda_fixture import parse_output, parse_p0
 
 
 SAMPLE = """
 REPLAY decode: 4 tokens | 12.34 tok/s
 PROFILE: expert-disk 1.25s | expert-matmul 2.50s | attention 0.75s | lm_head 0.10s | other -0.05s
+P0-EXEC: routed CPU 1.200s | routed GPU critical 0.150s | router 0.200s | residual P2P 0.030s / 75 hop | orchestration 0.100s
 """
 
 
@@ -19,6 +20,9 @@ class ParseOutputTest(unittest.TestCase):
         with self.assertRaisesRegex(RuntimeError, "benchmark output missing"):
             parse_output("REPLAY decode: 4 tokens | 12.34 tok/s", "engine failed")
 
+    def test_extracts_p0_profile(self):
+        self.assertEqual(parse_p0(SAMPLE), [1.2, 0.15, 0.2, 0.03, 75.0, 0.1])
+
 
 if __name__ == "__main__":
     unittest.main()