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DMA: various fixes to bring tests in line.
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@ -503,7 +503,6 @@ class _DMA(EnvExperiment):
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@kernel
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def playback(self, use_handle=False):
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self.core.break_realtime()
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delay(100*ms)
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start = now_mu()
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if use_handle:
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handle = self.core_dma.get_handle(self.trace_name)
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@ -515,7 +514,6 @@ class _DMA(EnvExperiment):
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@kernel
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def playback_many(self, n):
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self.core.break_realtime()
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delay(100*ms)
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handle = self.core_dma.get_handle(self.trace_name)
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t1 = self.core.get_rtio_counter_mu()
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for i in range(n):
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@ -597,11 +595,12 @@ class DMATest(ExperimentCase):
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exp.record_many(count)
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dt = self.dataset_mgr.get("dma_record_time")
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print("dt={}, dt/count={}".format(dt, dt/count))
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self.assertLess(dt/count, 16*us)
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self.assertLess(dt/count, 18*us)
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def test_dma_playback_time(self):
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exp = self.create(_DMA)
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count = 20000
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exp.record()
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exp.playback_many(count)
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dt = self.dataset_mgr.get("dma_playback_time")
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print("dt={}, dt/count={}".format(dt, dt/count))
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