1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0-or-later 3# Copyright (c) 2009 FUJITSU LIMITED 4# Copyright (c) 2016 Cyril Hrubis <chrubis@suse.cz> 5# Copyright (c) 2018 Xiao Yang <yangx.jy@cn.fujitsu.com> 6# Copyright (c) 2021 Joerg Vehlow <joerg.vehlow@aox-tech.de> 7# 8# Author: Li Zefan <lizf@cn.fujitsu.com> 9# Restructure for LTP: Shi Weihua <shiwh@cn.fujitsu.com> 10# Added memcg enable/disable functinality: Rishikesh K Rajak <risrajak@linux.vnet.ibm.com 11 12MEMCG_TESTFUNC=test 13TST_CNT=3 14 15. memcg_lib.sh 16 17# Test the memory charge won't move to subgroup 18# $1 - memory.limit_in_bytes in parent group 19# $2 - memory.limit_in_bytes in sub group 20test_subgroup() 21{ 22 mkdir subgroup 23 echo $1 > memory.limit_in_bytes 24 echo $2 > subgroup/memory.limit_in_bytes 25 26 start_memcg_process --mmap-anon -s $PAGESIZES 27 28 warmup 29 if [ $? -ne 0 ]; then 30 return 31 fi 32 33 echo $MEMCG_PROCESS_PID > tasks 34 signal_memcg_process $PAGESIZES 35 check_mem_stat "rss" $PAGESIZES 36 37 cd subgroup 38 echo $MEMCG_PROCESS_PID > tasks 39 check_mem_stat "rss" 0 40 41 # cleanup 42 cd .. 43 stop_memcg_process 44 rmdir subgroup 45} 46 47test1() 48{ 49 tst_res TINFO "Test that group and subgroup have no relationship" 50 test_subgroup $PAGESIZES $((2 * PAGESIZES)) 51} 52 53test2() 54{ 55 test_subgroup $PAGESIZES $PAGESIZES 56} 57 58test3() 59{ 60 test_subgroup $PAGESIZES 0 61} 62 63tst_run 64