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DMA: various fixes to bring tests in line.

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This commit is contained in:
whitequark 2017-04-20 20:05:03 +00:00
parent d383145752
commit fd994ceef3
1 changed files with 2 additions and 3 deletions
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5
artiq/test/coredevice/test_rtio.py
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@ -503,7 +503,6 @@ class _DMA(EnvExperiment):
@kernel @kernel
def playback(self, use_handle=False): def playback(self, use_handle=False):
self.core.break_realtime() self.core.break_realtime()
delay(100*ms)
start = now_mu() start = now_mu()
if use_handle: if use_handle:
handle = self.core_dma.get_handle(self.trace_name) handle = self.core_dma.get_handle(self.trace_name)
@ -515,7 +514,6 @@ class _DMA(EnvExperiment):
@kernel @kernel
def playback_many(self, n): def playback_many(self, n):
self.core.break_realtime() self.core.break_realtime()
delay(100*ms)
handle = self.core_dma.get_handle(self.trace_name) handle = self.core_dma.get_handle(self.trace_name)
t1 = self.core.get_rtio_counter_mu() t1 = self.core.get_rtio_counter_mu()
for i in range(n): for i in range(n):
@ -597,11 +595,12 @@ class DMATest(ExperimentCase):
exp.record_many(count) exp.record_many(count)
dt = self.dataset_mgr.get("dma_record_time") dt = self.dataset_mgr.get("dma_record_time")
print("dt={}, dt/count={}".format(dt, dt/count)) print("dt={}, dt/count={}".format(dt, dt/count))
self.assertLess(dt/count, 16*us) self.assertLess(dt/count, 18*us)
def test_dma_playback_time(self): def test_dma_playback_time(self):
exp = self.create(_DMA) exp = self.create(_DMA)
count = 20000 count = 20000
exp.record()
exp.playback_many(count) exp.playback_many(count)
dt = self.dataset_mgr.get("dma_playback_time") dt = self.dataset_mgr.get("dma_playback_time")
print("dt={}, dt/count={}".format(dt, dt/count)) print("dt={}, dt/count={}".format(dt, dt/count))