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charset="UTF-8" X-Rspam-User: X-Rspamd-Queue-Id: 80124C0004 X-Rspamd-Server: rspam09 X-Stat-Signature: 8r5fizkku7qnhhbiqmz47gub8w1fdos6 X-HE-Tag: 1747266198-838352 X-HE-Meta: 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 5GhlOBK6 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Makes testing different combinations of private_mem_conversions_test flags easier. Change-Id: I7647e92524baf09eb97e09bdbd95ad57ada44f4b Signed-off-by: Ackerley Tng --- .../kvm/x86/private_mem_conversions_test.sh | 82 +++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100755 tools/testing/selftests/kvm/x86/private_mem_conversions_test.sh diff --git a/tools/testing/selftests/kvm/x86/private_mem_conversions_test.sh b/tools/testing/selftests/kvm/x86/private_mem_conversions_test.sh new file mode 100755 index 000000000000..76efa81114d2 --- /dev/null +++ b/tools/testing/selftests/kvm/x86/private_mem_conversions_test.sh @@ -0,0 +1,82 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0-only */ +# +# Wrapper script which runs different test setups of +# private_mem_conversions_test. +# +# Copyright (C) 2024, 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 "$hugepage_default_enabled" ] && \ + backing_src_types+=( shared_hugetlb ) || \ + echo "skipping shared_hugetlb backing source type" + +set +e + +TEST_EXECUTABLE="$(dirname "$0")/private_mem_conversions_test" + +( + set -e + + for src_type in "${backing_src_types[@]}"; do + + set -x + + $TEST_EXECUTABLE -s "$src_type" -n $num_vcpus_to_test + $TEST_EXECUTABLE -s "$src_type" -n $num_vcpus_to_test -m $num_memslots_to_test + + { set +x; } 2>/dev/null + + echo + + done +) +RET=$? + +exit $RET -- 2.49.0.1045.g170613ef41-goog