testcases/kernel/controllers/memcg/functional/memcg_stat_test.sh

#! /bin/sh

################################################################################
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## Copyright (c) 2012 FUJITSU LIMITED                                         ##
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## or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License   ##
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################################################################################
#
# File :        memcg_stat_test.sh
# Description:  Tests memory.stat.
# Author:       Peng Haitao <penght@cn.fujitsu.com>
# History:      2012/01/16 - Created.
#

TCID="memcg_stat_test"
TST_TOTAL=8

. memcg_lib.sh

# Test cache
testcase_1()
{
	test_mem_stat "--shm -k 3" $PAGESIZE $PAGESIZE "cache" $PAGESIZE false
}

# Test mapped_file
testcase_2()
{
	test_mem_stat "--mmap-file" $PAGESIZE $PAGESIZE \
		"mapped_file" $PAGESIZE false
}

# Test unevictable with MAP_LOCKED
testcase_3()
{
	test_mem_stat "--mmap-lock1" $PAGESIZE $PAGESIZE \
		"unevictable" $PAGESIZE false
}

# Test unevictable with mlock
testcase_4()
{
	test_mem_stat "--mmap-lock2" $PAGESIZE $PAGESIZE \
		"unevictable" $PAGESIZE false
}

# Test hierarchical_memory_limit with enabling hierarchical accounting
testcase_5()
{
	echo 1 > memory.use_hierarchy

	mkdir subgroup
	echo $PAGESIZE > memory.limit_in_bytes
	echo $((PAGESIZE*2)) > subgroup/memory.limit_in_bytes

	cd subgroup
	check_mem_stat "hierarchical_memory_limit" $PAGESIZE

	cd ..
	rmdir subgroup
}

# Test hierarchical_memory_limit with disabling hierarchical accounting
testcase_6()
{
	echo 0 > memory.use_hierarchy

	mkdir subgroup
	echo $PAGESIZE > memory.limit_in_bytes
	echo $((PAGESIZE*2)) > subgroup/memory.limit_in_bytes

	cd subgroup
	check_mem_stat "hierarchical_memory_limit" $((PAGESIZE*2))

	cd ..
	rmdir subgroup
}

# Test hierarchical_memsw_limit with enabling hierarchical accounting
testcase_7()
{
	if [ "$MEMSW_LIMIT_FLAG" -eq 0 ]; then
		tst_resm TCONF "mem+swap is not enabled"
		return
	fi

	echo 1 > memory.use_hierarchy

	mkdir subgroup
	echo $PAGESIZE > memory.limit_in_bytes
	echo $PAGESIZE > memory.memsw.limit_in_bytes
	echo $((PAGESIZE*2)) > subgroup/memory.limit_in_bytes
	echo $((PAGESIZE*2)) > subgroup/memory.memsw.limit_in_bytes

	cd subgroup
	check_mem_stat "hierarchical_memsw_limit" $PAGESIZE

	cd ..
	rmdir subgroup
}

# Test hierarchical_memsw_limit with disabling hierarchical accounting
testcase_8()
{
	if [ "$MEMSW_LIMIT_FLAG" -eq 0 ]; then
		tst_resm TCONF "mem+swap is not enabled"
		return
	fi

	echo 0 > memory.use_hierarchy

	mkdir subgroup
	echo $PAGESIZE > memory.limit_in_bytes
	echo $PAGESIZE > memory.memsw.limit_in_bytes
	echo $((PAGESIZE*2)) > subgroup/memory.limit_in_bytes
	echo $((PAGESIZE*2)) > subgroup/memory.memsw.limit_in_bytes

	cd subgroup
	check_mem_stat "hierarchical_memsw_limit" $((PAGESIZE*2))

	cd ..
	rmdir subgroup
}

run_tests

tst_exit