blob: 983251be4607c0c94411a224140b82fa55e679ed [file] [log] [blame]
# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import logging
from autotest_lib.client.bin import test, utils
from autotest_lib.client.common_lib import error
class hardware_MemoryTotalSize(test.test):
version = 1
def run_once(self):
# TODO(zmo@): this may not get total physical memory size on ARM
# or some x86 machines.
mem_size = utils.memtotal()
gb = mem_size / 1024.0 / 1024.0
self.write_perf_keyval({"gb_memory_total": gb})"MemTotal: %.3f GB" % gb)
# x86 and ARM SDRAM configurations differ significantly from each other.
# Use a value specific to the architecture.
# On x86, I see 1.85GiB (2GiB - reserved memory).
# On ARM, I see 0.72GiB (1GiB - 256MiB carveout).
cpuType = utils.get_cpu_arch()
limit = 1.65
if cpuType == "arm":
limit = 0.65
if gb <= limit:
raise error.TestFail("total system memory size < %.3f GB" % limit);