forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
227 lines
4.5 KiB
227 lines
4.5 KiB
#!/bin/sh |
|
# SPDX-License-Identifier: GPL-2.0-or-later |
|
# Copyright (c) 2015 Oracle and/or its affiliates. All Rights Reserved. |
|
# |
|
# Author: Alexey Kodanev <[email protected]> |
|
# Modified: Naresh Kamboju <[email protected]> |
|
|
|
MODULE=0 |
|
dev_makeswap=-1 |
|
dev_mounted=-1 |
|
|
|
# Kselftest framework requirement - SKIP code is 4. |
|
ksft_skip=4 |
|
|
|
trap INT |
|
|
|
check_prereqs() |
|
{ |
|
local msg="skip all tests:" |
|
local uid=$(id -u) |
|
|
|
if [ $uid -ne 0 ]; then |
|
echo $msg must be run as root >&2 |
|
exit $ksft_skip |
|
fi |
|
} |
|
|
|
zram_cleanup() |
|
{ |
|
echo "zram cleanup" |
|
local i= |
|
for i in $(seq 0 $dev_makeswap); do |
|
swapoff /dev/zram$i |
|
done |
|
|
|
for i in $(seq 0 $dev_mounted); do |
|
umount /dev/zram$i |
|
done |
|
|
|
for i in $(seq 0 $(($dev_num - 1))); do |
|
echo 1 > /sys/block/zram${i}/reset |
|
rm -rf zram$i |
|
done |
|
|
|
} |
|
|
|
zram_unload() |
|
{ |
|
if [ $MODULE -ne 0 ] ; then |
|
echo "zram rmmod zram" |
|
rmmod zram > /dev/null 2>&1 |
|
fi |
|
} |
|
|
|
zram_load() |
|
{ |
|
# check zram module exists |
|
MODULE_PATH=/lib/modules/`uname -r`/kernel/drivers/block/zram/zram.ko |
|
if [ -f $MODULE_PATH ]; then |
|
MODULE=1 |
|
echo "create '$dev_num' zram device(s)" |
|
modprobe zram num_devices=$dev_num |
|
if [ $? -ne 0 ]; then |
|
echo "failed to insert zram module" |
|
exit 1 |
|
fi |
|
|
|
dev_num_created=$(ls /dev/zram* | wc -w) |
|
|
|
if [ "$dev_num_created" -ne "$dev_num" ]; then |
|
echo "unexpected num of devices: $dev_num_created" |
|
ERR_CODE=-1 |
|
else |
|
echo "zram load module successful" |
|
fi |
|
elif [ -b /dev/zram0 ]; then |
|
echo "/dev/zram0 device file found: OK" |
|
else |
|
echo "ERROR: No zram.ko module or no /dev/zram0 device found" |
|
echo "$TCID : CONFIG_ZRAM is not set" |
|
exit 1 |
|
fi |
|
} |
|
|
|
zram_max_streams() |
|
{ |
|
echo "set max_comp_streams to zram device(s)" |
|
|
|
local i=0 |
|
for max_s in $zram_max_streams; do |
|
local sys_path="/sys/block/zram${i}/max_comp_streams" |
|
echo $max_s > $sys_path || \ |
|
echo "FAIL failed to set '$max_s' to $sys_path" |
|
sleep 1 |
|
local max_streams=$(cat $sys_path) |
|
|
|
[ "$max_s" -ne "$max_streams" ] && \ |
|
echo "FAIL can't set max_streams '$max_s', get $max_stream" |
|
|
|
i=$(($i + 1)) |
|
echo "$sys_path = '$max_streams' ($i/$dev_num)" |
|
done |
|
|
|
echo "zram max streams: OK" |
|
} |
|
|
|
zram_compress_alg() |
|
{ |
|
echo "test that we can set compression algorithm" |
|
|
|
local algs=$(cat /sys/block/zram0/comp_algorithm) |
|
echo "supported algs: $algs" |
|
local i=0 |
|
for alg in $zram_algs; do |
|
local sys_path="/sys/block/zram${i}/comp_algorithm" |
|
echo "$alg" > $sys_path || \ |
|
echo "FAIL can't set '$alg' to $sys_path" |
|
i=$(($i + 1)) |
|
echo "$sys_path = '$alg' ($i/$dev_num)" |
|
done |
|
|
|
echo "zram set compression algorithm: OK" |
|
} |
|
|
|
zram_set_disksizes() |
|
{ |
|
echo "set disk size to zram device(s)" |
|
local i=0 |
|
for ds in $zram_sizes; do |
|
local sys_path="/sys/block/zram${i}/disksize" |
|
echo "$ds" > $sys_path || \ |
|
echo "FAIL can't set '$ds' to $sys_path" |
|
|
|
i=$(($i + 1)) |
|
echo "$sys_path = '$ds' ($i/$dev_num)" |
|
done |
|
|
|
echo "zram set disksizes: OK" |
|
} |
|
|
|
zram_set_memlimit() |
|
{ |
|
echo "set memory limit to zram device(s)" |
|
|
|
local i=0 |
|
for ds in $zram_mem_limits; do |
|
local sys_path="/sys/block/zram${i}/mem_limit" |
|
echo "$ds" > $sys_path || \ |
|
echo "FAIL can't set '$ds' to $sys_path" |
|
|
|
i=$(($i + 1)) |
|
echo "$sys_path = '$ds' ($i/$dev_num)" |
|
done |
|
|
|
echo "zram set memory limit: OK" |
|
} |
|
|
|
zram_makeswap() |
|
{ |
|
echo "make swap with zram device(s)" |
|
local i=0 |
|
for i in $(seq 0 $(($dev_num - 1))); do |
|
mkswap /dev/zram$i > err.log 2>&1 |
|
if [ $? -ne 0 ]; then |
|
cat err.log |
|
echo "FAIL mkswap /dev/zram$1 failed" |
|
fi |
|
|
|
swapon /dev/zram$i > err.log 2>&1 |
|
if [ $? -ne 0 ]; then |
|
cat err.log |
|
echo "FAIL swapon /dev/zram$1 failed" |
|
fi |
|
|
|
echo "done with /dev/zram$i" |
|
dev_makeswap=$i |
|
done |
|
|
|
echo "zram making zram mkswap and swapon: OK" |
|
} |
|
|
|
zram_swapoff() |
|
{ |
|
local i= |
|
for i in $(seq 0 $dev_makeswap); do |
|
swapoff /dev/zram$i > err.log 2>&1 |
|
if [ $? -ne 0 ]; then |
|
cat err.log |
|
echo "FAIL swapoff /dev/zram$i failed" |
|
fi |
|
done |
|
dev_makeswap=-1 |
|
|
|
echo "zram swapoff: OK" |
|
} |
|
|
|
zram_makefs() |
|
{ |
|
local i=0 |
|
for fs in $zram_filesystems; do |
|
# if requested fs not supported default it to ext2 |
|
which mkfs.$fs > /dev/null 2>&1 || fs=ext2 |
|
|
|
echo "make $fs filesystem on /dev/zram$i" |
|
mkfs.$fs /dev/zram$i > err.log 2>&1 |
|
if [ $? -ne 0 ]; then |
|
cat err.log |
|
echo "FAIL failed to make $fs on /dev/zram$i" |
|
fi |
|
i=$(($i + 1)) |
|
echo "zram mkfs.$fs: OK" |
|
done |
|
} |
|
|
|
zram_mount() |
|
{ |
|
local i=0 |
|
for i in $(seq 0 $(($dev_num - 1))); do |
|
echo "mount /dev/zram$i" |
|
mkdir zram$i |
|
mount /dev/zram$i zram$i > /dev/null || \ |
|
echo "FAIL mount /dev/zram$i failed" |
|
dev_mounted=$i |
|
done |
|
|
|
echo "zram mount of zram device(s): OK" |
|
}
|
|
|