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kernel/linux-rt-4.4.41/tools/testing/selftests/zram/zram02.sh 1.63 KB
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  #!/bin/bash
  # Copyright (c) 2015 Oracle and/or its affiliates. All Rights Reserved.
  #
  # This program is free software; you can redistribute it and/or
  # modify it under the terms of the GNU General Public License as
  # published by the Free Software Foundation; either version 2 of
  # the License, or (at your option) any later version.
  #
  # This program is distributed in the hope that it would be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	See the
  # GNU General Public License for more details.
  #
  # Test checks that we can create swap zram device.
  #
  # Author: Alexey Kodanev <alexey.kodanev@oracle.com>
  # Modified: Naresh Kamboju <naresh.kamboju@linaro.org>
  
  TCID="zram02"
  ERR_CODE=0
  
  . ./zram_lib.sh
  
  # Test will create the following number of zram devices:
  dev_num=1
  # This is a list of parameters for zram devices.
  # Number of items must be equal to 'dev_num' parameter.
  zram_max_streams="2"
  
  # The zram sysfs node 'disksize' value can be either in bytes,
  # or you can use mem suffixes. But in some old kernels, mem
  # suffixes are not supported, for example, in RHEL6.6GA's kernel
  # layer, it uses strict_strtoull() to parse disksize which does
  # not support mem suffixes, in some newer kernels, they use
  # memparse() which supports mem suffixes. So here we just use
  # bytes to make sure everything works correctly.
  zram_sizes="1048576" # 1M
  zram_mem_limits="1M"
  
  check_prereqs
  zram_load
  zram_max_streams
  zram_set_disksizes
  zram_set_memlimit
  zram_makeswap
  zram_swapoff
  zram_cleanup
  zram_unload
  
  if [ $ERR_CODE -ne 0 ]; then
  	echo "$TCID : [FAIL]"
  else
  	echo "$TCID : [PASS]"
  fi