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      1 # Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
      2 # Use of this source code is governed by a BSD-style license that can be
      3 # found in the LICENSE file.
      4 
      5 NAME = 'hardware_MemoryLatency'
      6 AUTHOR = 'sonnyrao (a] chromium.org'
      7 PURPOSE = 'Benchmark memory and cache access latency'
      8 CRITERIA = 'This test is a benchmark.'
      9 ATTRIBUTES = "suite:hwqual, suite:kernel_daily_benchmarks"
     10 SUITE = "kernel_daily_benchmarks, hwqual"
     11 TIME='MEDIUM'
     12 TEST_CATEGORY = 'Performance'
     13 TEST_CLASS = "hardware"
     14 TEST_TYPE = 'client'
     15 
     16 DOC = """
     17 This test will use the lat_mem_rd benchmark from lmbench3 to measure memory
     18 latency.
     19 """
     20 
     21 # test with samples added at points which should roughly correspond to
     22 # L1, L2, L3 (if any) and the final size will tell us DRAM latency
     23 job.run_test('hardware_MemoryLatency',
     24         sample_size_kb=[ int(2), int(192), int(1024)])
     25