| # Copyright (c) 2014 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. |
| |
| NAME = 'hardware_MemoryLatency' |
| AUTHOR = '[email protected]' |
| PURPOSE = 'Benchmark memory and cache access latency' |
| CRITERIA = 'This test is a benchmark.' |
| ATTRIBUTES = "suite:hwqual, suite:kernel_daily_benchmarks" |
| TIME='MEDIUM' |
| TEST_CATEGORY = 'Performance' |
| TEST_CLASS = "hardware" |
| TEST_TYPE = 'client' |
| |
| DOC = """ |
| This test will use the lat_mem_rd benchmark from lmbench3 to measure memory |
| latency. |
| """ |
| |
| # test with samples added at points which should roughly correspond to |
| # L1, L2, L3 (if any) and the final size will tell us DRAM latency |
| job.run_test('hardware_MemoryLatency', |
| sample_size_kb=[ int(2), int(192), int(1024)]) |
