android13/external/ltp/testcases/commands/lsmod/lsmod01.sh

86 lines
1.7 KiB
Bash
Raw Normal View History

2024-06-22 08:45:49 -04:00
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (c) Linux Test Project, 2016-2021
# Copyright (c) 2015 Fujitsu Ltd.
# Author: Guangwen Feng <fenggw-fnst@cn.fujitsu.com>
#
# Test basic functionality of lsmod command.
TST_CLEANUP=cleanup
TST_SETUP=setup
TST_TESTFUNC=lsmod_test
TST_NEEDS_TMPDIR=1
TST_NEEDS_CMDS="lsmod"
. tst_test.sh
module_inserted=
setup()
{
if [ -z "$(cat /proc/modules)" ]; then
tst_res TINFO "Loading dummy kernel module"
tst_require_module "ltp_lsmod01.ko"
tst_require_root
tst_require_cmds insmod
ROD insmod "$TST_MODPATH"
module_inserted=1
fi
}
cleanup()
{
if [ "$module_inserted" = 1 ]; then
tst_res TINFO "Unloading dummy kernel module"
rmmod ltp_lsmod01
if [ $? -ne 0 ]; then
tst_res TWARN "rmmod failed"
fi
fi
}
lsmod_matches_proc_modules()
{
lsmod_output=$(lsmod \
| awk '!/Module/{print $1, $2, ($3==-2) ? "-" : $3}' \
| sort)
if [ -z "$lsmod_output" ]; then
tst_brk TBROK "Failed to parse the output from lsmod"
fi
modules_output=$(awk '{print $1, $2, $3}' /proc/modules | sort)
if [ -z "$modules_output" ]; then
tst_brk TBROK "Failed to parse /proc/modules"
fi
if [ "$lsmod_output" != "$modules_output" ]; then
tst_res TINFO "lsmod output different from /proc/modules"
echo "$lsmod_output" > temp1
echo "$modules_output" > temp2
if tst_cmd_available diff; then
diff temp1 temp2
else
cat temp1 temp2
fi
return 1
fi
return 0
}
lsmod_test()
{
for i in $(seq 1 5); do
if lsmod_matches_proc_modules; then
tst_res TPASS "'lsmod' passed"
return
fi
tst_res TINFO "Trying again"
sleep 1
done
tst_res TFAIL "'lsmod' doesn't match /proc/modules output"
}
tst_run