Add private_mem_conversions_test.sh to automate testing of different combinations of private_mem_conversions_test.
Signed-off-by: Ackerley Tng ackerleytng@google.com
--- .../x86_64/private_mem_conversions_test.sh | 88 +++++++++++++++++++ 1 file changed, 88 insertions(+) create mode 100755 tools/testing/selftests/kvm/x86_64/private_mem_conversions_test.sh
diff --git a/tools/testing/selftests/kvm/x86_64/private_mem_conversions_test.sh b/tools/testing/selftests/kvm/x86_64/private_mem_conversions_test.sh new file mode 100755 index 000000000000..fb6705fef466 --- /dev/null +++ b/tools/testing/selftests/kvm/x86_64/private_mem_conversions_test.sh @@ -0,0 +1,88 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0-only */ +# +# Wrapper script which runs different test setups of +# private_mem_conversions_test. +# +# tools/testing/selftests/kvm/private_mem_conversions_test.sh +# Copyright (C) 2023, Google LLC. + +set -e + +num_vcpus_to_test=4 +num_memslots_to_test=$num_vcpus_to_test + +get_default_hugepage_size_in_kB() { + grep "Hugepagesize:" /proc/meminfo | grep -o '[[:digit:]]+' +} + +# Required pages are based on the test setup (see computation for memfd_size) in +# test_mem_conversions() in private_mem_migrate_tests.c) + +# These static requirements are set to the maximum required for +# num_vcpus_to_test, over all the hugetlb-related tests +required_num_2m_hugepages=$(( 1024 * num_vcpus_to_test )) +required_num_1g_hugepages=$(( 2 * num_vcpus_to_test )) + +# The other hugetlb sizes are not supported on x86_64 +[ "$(cat /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages 2>/dev/null || echo 0)" -ge "$required_num_2m_hugepages" ] && hugepage_2mb_enabled=1 +[ "$(cat /sys/kernel/mm/hugepages/hugepages-1048576kB/nr_hugepages 2>/dev/null || echo 0)" -ge "$required_num_1g_hugepages" ] && hugepage_1gb_enabled=1 + +case $(get_default_hugepage_size_in_kB) in + 2048) + hugepage_default_enabled=$hugepage_2mb_enabled + ;; + 1048576) + hugepage_default_enabled=$hugepage_1gb_enabled + ;; + *) + hugepage_default_enabled=0 + ;; +esac + +backing_src_types=( anonymous ) +backing_src_types+=( anonymous_thp ) +[ -n "$hugepage_default_enabled" ] && \ + backing_src_types+=( anonymous_hugetlb ) || echo "skipping anonymous_hugetlb backing source type" +[ -n "$hugepage_2mb_enabled" ] && \ + backing_src_types+=( anonymous_hugetlb_2mb ) || echo "skipping anonymous_hugetlb_2mb backing source type" +[ -n "$hugepage_1gb_enabled" ] && \ + backing_src_types+=( anonymous_hugetlb_1gb ) || echo "skipping anonymous_hugetlb_1gb backing source type" +backing_src_types+=( shmem ) +[ -n "$hugepage_default_enabled" ] && \ + backing_src_types+=( shared_hugetlb ) || echo "skipping shared_hugetlb backing source type" + +private_mem_backing_src_types=( private_mem_guest_mem ) +[ -n "$hugepage_default_enabled" ] && \ + private_mem_backing_src_types+=( private_mem_hugetlb ) || echo "skipping private_mem_hugetlb backing source type" +[ -n "$hugepage_2mb_enabled" ] && \ + private_mem_backing_src_types+=( private_mem_hugetlb_2mb ) || echo "skipping private_mem_hugetlb_2mb backing source type" +[ -n "$hugepage_1gb_enabled" ] && \ + private_mem_backing_src_types+=( private_mem_hugetlb_1gb ) || echo "skipping private_mem_hugetlb_1gb backing source type" + +set +e + +TEST_EXECUTABLE="$(dirname "$0")/private_mem_conversions_test" + +( + set -e + + for src_type in "${backing_src_types[@]}"; do + + for private_mem_src_type in "${private_mem_backing_src_types[@]}"; do + set -x + + $TEST_EXECUTABLE -s "$src_type" -p "$private_mem_src_type" -n $num_vcpus_to_test + $TEST_EXECUTABLE -s "$src_type" -p "$private_mem_src_type" -n $num_vcpus_to_test -m $num_memslots_to_test + + { set +x; } 2>/dev/null + + echo + + done + + done +) +RET=$? + +exit $RET