def _get_mem_usage(self):
"""Compute percent memory in active use.
@returns float of percent memory in use.
"""
total_memory = utils.get_mem_total()
free_memory = utils.get_mem_free()
return ((total_memory - free_memory) / total_memory) * 100
def get_mem_free(self):
"""Returns the currently free memory in the system in MBytes."""
return utils.get_mem_free()
def test_get_mem_free(self):
self.fake_file_text = ('MemTotal: 2048000 kB\n'
'MemFree: 307200 kB\n'
'Buffers: 102400 kB\n'
'Cached: 204800 kB\n')
self.assertAlmostEqual(utils.get_mem_free(), 300)
def used_mem(self):
"""Returns total used memory in %."""
total_memory = utils.get_mem_total()
return (total_memory - utils.get_mem_free()) * 100 / total_memory