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import re
import pytest
from labgrid.driver import ExecutionError
def test_memory_mbw(command):
"""Test memcopy bandwidth"""
try:
command.run_check("which mbw")
except ExecutionError:
pytest.skip("mbw missing")
result = command.run_check("mbw -qt0 8M")
result = result[-1].strip()
pattern = r"AVG\s+.*Copy:\s+(?P<bw>\S+)\s+MiB/s"
(bw,) = map(float, re.fullmatch(pattern, result).groups())
assert bw > 40 # > 40 MiB/second
def test_memory_memtester_short(command):
"""Test RAM for errors"""
try:
command.run_check("which memtester")
except ExecutionError:
pytest.skip("memtester missing")
result = command.run_check("memtester 128k 1 | tail -n 1")
result = result[-1].strip()
assert result == "Done."
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