projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| fee9f6d1 RC |
1 | #!/bin/bash |
| 2 | # SPDX-License-Identifier: GPL-2.0 | |
| 3 | # | |
| 4 | # Copyright (C) 2018 Uladzislau Rezki (Sony) <urezki@gmail.com> | |
| 5 | # | |
| 6 | # This is a test script for the kernel test driver to analyse vmalloc | |
| 7 | # allocator. Therefore it is just a kernel module loader. You can specify | |
| 8 | # and pass different parameters in order to: | |
| 9 | # a) analyse performance of vmalloc allocations; | |
| 10 | # b) stressing and stability check of vmalloc subsystem. | |
| 11 | ||
| 12 | TEST_NAME="test_hmm" | |
| 13 | DRIVER="test_hmm" | |
| 14 | ||
| 15 | # 1 if fails | |
| 16 | exitcode=1 | |
| 17 | ||
| 18 | # Kselftest framework requirement - SKIP code is 4. | |
| 19 | ksft_skip=4 | |
| 20 | ||
| 21 | check_test_requirements() | |
| 22 | { | |
| 23 | uid=$(id -u) | |
| 24 | if [ $uid -ne 0 ]; then | |
| 25 | echo "$0: Must be run as root" | |
| 26 | exit $ksft_skip | |
| 27 | fi | |
| 28 | ||
| 29 | if ! which modprobe > /dev/null 2>&1; then | |
| 30 | echo "$0: You need modprobe installed" | |
| 31 | exit $ksft_skip | |
| 32 | fi | |
| 33 | ||
| 34 | if ! modinfo $DRIVER > /dev/null 2>&1; then | |
| 35 | echo "$0: You must have the following enabled in your kernel:" | |
| 36 | echo "CONFIG_TEST_HMM=m" | |
| 37 | exit $ksft_skip | |
| 38 | fi | |
| 39 | } | |
| 40 | ||
| 41 | load_driver() | |
| 42 | { | |
| e6474b1a AS |
43 | if [ $# -eq 0 ]; then |
| 44 | modprobe $DRIVER > /dev/null 2>&1 | |
| 45 | else | |
| 46 | if [ $# -eq 2 ]; then | |
| 47 | modprobe $DRIVER spm_addr_dev0=$1 spm_addr_dev1=$2 | |
| 48 | > /dev/null 2>&1 | |
| 49 | else | |
| 50 | echo "Missing module parameters. Make sure pass"\ | |
| 51 | "spm_addr_dev0 and spm_addr_dev1" | |
| 52 | usage | |
| 53 | fi | |
| 54 | fi | |
| fee9f6d1 RC |
55 | } |
| 56 | ||
| 57 | unload_driver() | |
| 58 | { | |
| 59 | modprobe -r $DRIVER > /dev/null 2>&1 | |
| fee9f6d1 RC |
60 | } |
| 61 | ||
| 62 | run_smoke() | |
| 63 | { | |
| 64 | echo "Running smoke test. Note, this test provides basic coverage." | |
| 65 | ||
| e6474b1a | 66 | load_driver $1 $2 |
| fee9f6d1 RC |
67 | $(dirname "${BASH_SOURCE[0]}")/hmm-tests |
| 68 | unload_driver | |
| 69 | } | |
| 70 | ||
| 71 | usage() | |
| 72 | { | |
| 73 | echo -n "Usage: $0" | |
| 74 | echo | |
| 75 | echo "Example usage:" | |
| 76 | echo | |
| 77 | echo "# Shows help message" | |
| 78 | echo "./${TEST_NAME}.sh" | |
| 79 | echo | |
| 80 | echo "# Smoke testing" | |
| 81 | echo "./${TEST_NAME}.sh smoke" | |
| 82 | echo | |
| e6474b1a AS |
83 | echo "# Smoke testing with SPM enabled" |
| 84 | echo "./${TEST_NAME}.sh smoke <spm_addr_dev0> <spm_addr_dev1>" | |
| 85 | echo | |
| fee9f6d1 RC |
86 | exit 0 |
| 87 | } | |
| 88 | ||
| 89 | function run_test() | |
| 90 | { | |
| 91 | if [ $# -eq 0 ]; then | |
| 92 | usage | |
| 93 | else | |
| 94 | if [ "$1" = "smoke" ]; then | |
| e6474b1a | 95 | run_smoke $2 $3 |
| fee9f6d1 RC |
96 | else |
| 97 | usage | |
| 98 | fi | |
| 99 | fi | |
| 100 | } | |
| 101 | ||
| 102 | check_test_requirements | |
| 103 | run_test $@ | |
| 104 | ||
| 105 | exit 0 |