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Diffstat (limited to 'tools/testing/selftests/vm/test_vmalloc.sh')
| -rwxr-xr-x | tools/testing/selftests/vm/test_vmalloc.sh | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/tools/testing/selftests/vm/test_vmalloc.sh b/tools/testing/selftests/vm/test_vmalloc.sh deleted file mode 100755 index 06d2bb109f06..000000000000 --- a/tools/testing/selftests/vm/test_vmalloc.sh +++ /dev/null @@ -1,176 +0,0 @@ -#!/bin/bash -# SPDX-License-Identifier: GPL-2.0 -# -# Copyright (C) 2018 Uladzislau Rezki (Sony) <urezki@gmail.com> -# -# This is a test script for the kernel test driver to analyse vmalloc -# allocator. Therefore it is just a kernel module loader. You can specify -# and pass different parameters in order to: -# a) analyse performance of vmalloc allocations; -# b) stressing and stability check of vmalloc subsystem. - -TEST_NAME="vmalloc" -DRIVER="test_${TEST_NAME}" - -# 1 if fails -exitcode=1 - -# Kselftest framework requirement - SKIP code is 4. -ksft_skip=4 - -# -# Static templates for performance, stressing and smoke tests. -# Also it is possible to pass any supported parameters manualy. -# -PERF_PARAM="single_cpu_test=1 sequential_test_order=1 test_repeat_count=3" -SMOKE_PARAM="single_cpu_test=1 test_loop_count=10000 test_repeat_count=10" -STRESS_PARAM="test_repeat_count=20" - -check_test_requirements() -{ - uid=$(id -u) - if [ $uid -ne 0 ]; then - echo "$0: Must be run as root" - exit $ksft_skip - fi - - if ! which modprobe > /dev/null 2>&1; then - echo "$0: You need modprobe installed" - exit $ksft_skip - fi - - if ! modinfo $DRIVER > /dev/null 2>&1; then - echo "$0: You must have the following enabled in your kernel:" - echo "CONFIG_TEST_VMALLOC=m" - exit $ksft_skip - fi -} - -run_perfformance_check() -{ - echo "Run performance tests to evaluate how fast vmalloc allocation is." - echo "It runs all test cases on one single CPU with sequential order." - - modprobe $DRIVER $PERF_PARAM > /dev/null 2>&1 - echo "Done." - echo "Ccheck the kernel message buffer to see the summary." -} - -run_stability_check() -{ - echo "Run stability tests. In order to stress vmalloc subsystem we run" - echo "all available test cases on all available CPUs simultaneously." - echo "It will take time, so be patient." - - modprobe $DRIVER $STRESS_PARAM > /dev/null 2>&1 - echo "Done." - echo "Check the kernel ring buffer to see the summary." -} - -run_smoke_check() -{ - echo "Run smoke test. Note, this test provides basic coverage." - echo "Please check $0 output how it can be used" - echo "for deep performance analysis as well as stress testing." - - modprobe $DRIVER $SMOKE_PARAM > /dev/null 2>&1 - echo "Done." - echo "Check the kernel ring buffer to see the summary." -} - -usage() -{ - echo -n "Usage: $0 [ performance ] | [ stress ] | | [ smoke ] | " - echo "manual parameters" - echo - echo "Valid tests and parameters:" - echo - modinfo $DRIVER - echo - echo "Example usage:" - echo - echo "# Shows help message" - echo "./${DRIVER}.sh" - echo - echo "# Runs 1 test(id_1), repeats it 5 times on all online CPUs" - echo "./${DRIVER}.sh run_test_mask=1 test_repeat_count=5" - echo - echo -n "# Runs 4 tests(id_1|id_2|id_4|id_16) on one CPU with " - echo "sequential order" - echo -n "./${DRIVER}.sh single_cpu_test=1 sequential_test_order=1 " - echo "run_test_mask=23" - echo - echo -n "# Runs all tests on all online CPUs, shuffled order, repeats " - echo "20 times" - echo "./${DRIVER}.sh test_repeat_count=20" - echo - echo "# Performance analysis" - echo "./${DRIVER}.sh performance" - echo - echo "# Stress testing" - echo "./${DRIVER}.sh stress" - echo - exit 0 -} - -function validate_passed_args() -{ - VALID_ARGS=`modinfo $DRIVER | awk '/parm:/ {print $2}' | sed 's/:.*//'` - - # - # Something has been passed, check it. - # - for passed_arg in $@; do - key=${passed_arg//=*/} - val="${passed_arg:$((${#key}+1))}" - valid=0 - - for valid_arg in $VALID_ARGS; do - if [[ $key = $valid_arg ]] && [[ $val -gt 0 ]]; then - valid=1 - break - fi - done - - if [[ $valid -ne 1 ]]; then - echo "Error: key or value is not correct: ${key} $val" - exit $exitcode - fi - done -} - -function run_manual_check() -{ - # - # Validate passed parameters. If there is wrong one, - # the script exists and does not execute further. - # - validate_passed_args $@ - - echo "Run the test with following parameters: $@" - modprobe $DRIVER $@ > /dev/null 2>&1 - echo "Done." - echo "Check the kernel ring buffer to see the summary." -} - -function run_test() -{ - if [ $# -eq 0 ]; then - usage - else - if [[ "$1" = "performance" ]]; then - run_perfformance_check - elif [[ "$1" = "stress" ]]; then - run_stability_check - elif [[ "$1" = "smoke" ]]; then - run_smoke_check - else - run_manual_check $@ - fi - fi -} - -check_test_requirements -run_test $@ - -exit 0 |