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Subject[PATCH HID for-next v2 1/9] selftests: hid: add vmtest.sh
Date
Similar-ish in many points from the script in selftests/bpf, with a few
differences:
- relies on boot2container instead of a plain qemu image (meaning that
we can take any container in a registry as a base)
- runs in the hid selftest dir, and such uses the test program from there
- the working directory to store the config is in
tools/selftests/hid/results

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>

---

no changes in v2
---
tools/testing/selftests/hid/.gitignore | 1 +
tools/testing/selftests/hid/config.common | 241 ++++++++++++++++++
tools/testing/selftests/hid/config.x86_64 | 4 +
tools/testing/selftests/hid/vmtest.sh | 284 ++++++++++++++++++++++
4 files changed, 530 insertions(+)
create mode 100644 tools/testing/selftests/hid/config.common
create mode 100644 tools/testing/selftests/hid/config.x86_64
create mode 100755 tools/testing/selftests/hid/vmtest.sh

diff --git a/tools/testing/selftests/hid/.gitignore b/tools/testing/selftests/hid/.gitignore
index a462ca6ab2c0..995af0670f69 100644
--- a/tools/testing/selftests/hid/.gitignore
+++ b/tools/testing/selftests/hid/.gitignore
@@ -2,3 +2,4 @@ bpftool
*.skel.h
/tools
hid_bpf
+results
diff --git a/tools/testing/selftests/hid/config.common b/tools/testing/selftests/hid/config.common
new file mode 100644
index 000000000000..0617275d93cc
--- /dev/null
+++ b/tools/testing/selftests/hid/config.common
@@ -0,0 +1,241 @@
+CONFIG_9P_FS_POSIX_ACL=y
+CONFIG_9P_FS_SECURITY=y
+CONFIG_9P_FS=y
+CONFIG_AUDIT=y
+CONFIG_BINFMT_MISC=y
+CONFIG_BLK_CGROUP_IOLATENCY=y
+CONFIG_BLK_CGROUP=y
+CONFIG_BLK_DEV_BSGLIB=y
+CONFIG_BLK_DEV_IO_TRACE=y
+CONFIG_BLK_DEV_RAM_SIZE=16384
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_THROTTLING=y
+CONFIG_BONDING=y
+CONFIG_BOOTPARAM_HARDLOCKUP_PANIC=y
+CONFIG_BOOTTIME_TRACING=y
+CONFIG_BSD_DISKLABEL=y
+CONFIG_BSD_PROCESS_ACCT=y
+CONFIG_CFS_BANDWIDTH=y
+CONFIG_CGROUP_CPUACCT=y
+CONFIG_CGROUP_DEBUG=y
+CONFIG_CGROUP_DEVICE=y
+CONFIG_CGROUP_FREEZER=y
+CONFIG_CGROUP_HUGETLB=y
+CONFIG_CGROUP_NET_CLASSID=y
+CONFIG_CGROUP_NET_PRIO=y
+CONFIG_CGROUP_PERF=y
+CONFIG_CGROUP_PIDS=y
+CONFIG_CGROUP_RDMA=y
+CONFIG_CGROUP_SCHED=y
+CONFIG_CGROUPS=y
+CONFIG_CGROUP_WRITEBACK=y
+CONFIG_CMA_AREAS=7
+CONFIG_CMA=y
+CONFIG_COMPAT_32BIT_TIME=y
+CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
+CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
+CONFIG_CPU_FREQ_GOV_ONDEMAND=y
+CONFIG_CPU_FREQ_GOV_USERSPACE=y
+CONFIG_CPU_FREQ_STAT=y
+CONFIG_CPU_IDLE_GOV_LADDER=y
+CONFIG_CPUSETS=y
+CONFIG_CRC_T10DIF=y
+CONFIG_CRYPTO_BLAKE2B=y
+CONFIG_CRYPTO_DEV_VIRTIO=y
+CONFIG_CRYPTO_SEQIV=y
+CONFIG_CRYPTO_XXHASH=y
+CONFIG_DCB=y
+CONFIG_DEBUG_ATOMIC_SLEEP=y
+CONFIG_DEBUG_CREDENTIALS=y
+CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
+CONFIG_DEBUG_MEMORY_INIT=y
+CONFIG_DEFAULT_FQ_CODEL=y
+CONFIG_DEFAULT_RENO=y
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEVTMPFS_MOUNT=y
+CONFIG_DEVTMPFS=y
+CONFIG_DMA_CMA=y
+CONFIG_DNS_RESOLVER=y
+CONFIG_EFI_STUB=y
+CONFIG_EFI=y
+CONFIG_EXPERT=y
+CONFIG_EXT4_FS_POSIX_ACL=y
+CONFIG_EXT4_FS_SECURITY=y
+CONFIG_EXT4_FS=y
+CONFIG_FAIL_FUNCTION=y
+CONFIG_FAULT_INJECTION_DEBUG_FS=y
+CONFIG_FAULT_INJECTION=y
+CONFIG_FB_MODE_HELPERS=y
+CONFIG_FB_TILEBLITTING=y
+CONFIG_FB_VESA=y
+CONFIG_FB=y
+CONFIG_FONT_8x16=y
+CONFIG_FONT_MINI_4x6=y
+CONFIG_FONTS=y
+CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
+CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+CONFIG_FUSE_FS=y
+CONFIG_FW_LOADER_USER_HELPER=y
+CONFIG_GART_IOMMU=y
+CONFIG_GENERIC_PHY=y
+CONFIG_HARDLOCKUP_DETECTOR=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_HPET=y
+CONFIG_HUGETLBFS=y
+CONFIG_HUGETLB_PAGE=y
+CONFIG_HWPOISON_INJECT=y
+CONFIG_HZ_1000=y
+CONFIG_INET=y
+CONFIG_INTEL_POWERCLAMP=y
+CONFIG_IP6_NF_FILTER=y
+CONFIG_IP6_NF_IPTABLES=y
+CONFIG_IP6_NF_NAT=y
+CONFIG_IP6_NF_TARGET_MASQUERADE=y
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_IP_MROUTE=y
+CONFIG_IP_MULTICAST=y
+CONFIG_IP_MULTIPLE_TABLES=y
+CONFIG_IP_NF_FILTER=y
+CONFIG_IP_NF_IPTABLES=y
+CONFIG_IP_NF_NAT=y
+CONFIG_IP_NF_TARGET_MASQUERADE=y
+CONFIG_IP_PIMSM_V1=y
+CONFIG_IP_PIMSM_V2=y
+CONFIG_IP_ROUTE_MULTIPATH=y
+CONFIG_IP_ROUTE_VERBOSE=y
+CONFIG_IPV6_MIP6=y
+CONFIG_IPV6_ROUTE_INFO=y
+CONFIG_IPV6_ROUTER_PREF=y
+CONFIG_IPV6_SEG6_LWTUNNEL=y
+CONFIG_IPV6_SUBTREES=y
+CONFIG_IRQ_POLL=y
+CONFIG_JUMP_LABEL=y
+CONFIG_KARMA_PARTITION=y
+CONFIG_KEXEC=y
+CONFIG_KPROBES=y
+CONFIG_KSM=y
+CONFIG_LEGACY_VSYSCALL_NONE=y
+CONFIG_LOG_BUF_SHIFT=21
+CONFIG_LOG_CPU_MAX_BUF_SHIFT=0
+CONFIG_LOGO=y
+CONFIG_LSM="selinux,bpf,integrity"
+CONFIG_MAC_PARTITION=y
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_MCORE2=y
+CONFIG_MEMCG=y
+CONFIG_MEMORY_FAILURE=y
+CONFIG_MINIX_SUBPARTITION=y
+CONFIG_MODULES=y
+CONFIG_NAMESPACES=y
+CONFIG_NET_9P_VIRTIO=y
+CONFIG_NET_9P=y
+CONFIG_NET_ACT_BPF=y
+CONFIG_NET_CLS_CGROUP=y
+CONFIG_NETDEVICES=y
+CONFIG_NET_EMATCH=y
+CONFIG_NETFILTER_NETLINK_LOG=y
+CONFIG_NETFILTER_NETLINK_QUEUE=y
+CONFIG_NETFILTER_XTABLES=y
+CONFIG_NETFILTER_XT_MATCH_ADDRTYPE=y
+CONFIG_NETFILTER_XT_MATCH_BPF=y
+CONFIG_NETFILTER_XT_MATCH_COMMENT=y
+CONFIG_NETFILTER_XT_MATCH_CONNTRACK=y
+CONFIG_NETFILTER_XT_MATCH_MARK=y
+CONFIG_NETFILTER_XT_MATCH_MULTIPORT=y
+CONFIG_NETFILTER_XT_MATCH_STATISTIC=y
+CONFIG_NETFILTER_XT_NAT=y
+CONFIG_NETFILTER_XT_TARGET_MASQUERADE=y
+CONFIG_NET_IPGRE_BROADCAST=y
+CONFIG_NET_L3_MASTER_DEV=y
+CONFIG_NETLABEL=y
+CONFIG_NET_SCH_DEFAULT=y
+CONFIG_NET_SCHED=y
+CONFIG_NET_SCH_FQ_CODEL=y
+CONFIG_NET_TC_SKB_EXT=y
+CONFIG_NET_VRF=y
+CONFIG_NET=y
+CONFIG_NF_CONNTRACK=y
+CONFIG_NF_NAT_MASQUERADE=y
+CONFIG_NF_NAT=y
+CONFIG_NLS_ASCII=y
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_DEFAULT="utf8"
+CONFIG_NO_HZ=y
+CONFIG_NR_CPUS=128
+CONFIG_NUMA_BALANCING=y
+CONFIG_NUMA=y
+CONFIG_NVMEM=y
+CONFIG_OSF_PARTITION=y
+CONFIG_OVERLAY_FS_INDEX=y
+CONFIG_OVERLAY_FS_METACOPY=y
+CONFIG_OVERLAY_FS_XINO_AUTO=y
+CONFIG_OVERLAY_FS=y
+CONFIG_PACKET=y
+CONFIG_PANIC_ON_OOPS=y
+CONFIG_PARTITION_ADVANCED=y
+CONFIG_PCIEPORTBUS=y
+CONFIG_PCI_IOV=y
+CONFIG_PCI_MSI=y
+CONFIG_PCI=y
+CONFIG_PHYSICAL_ALIGN=0x1000000
+CONFIG_POSIX_MQUEUE=y
+CONFIG_POWER_SUPPLY=y
+CONFIG_PREEMPT=y
+CONFIG_PRINTK_TIME=y
+CONFIG_PROC_KCORE=y
+CONFIG_PROFILING=y
+CONFIG_PROVE_LOCKING=y
+CONFIG_PTP_1588_CLOCK=y
+CONFIG_RC_DEVICES=y
+CONFIG_RC_LOOPBACK=y
+CONFIG_RCU_CPU_STALL_TIMEOUT=60
+CONFIG_SCHED_STACK_END_CHECK=y
+CONFIG_SCHEDSTATS=y
+CONFIG_SECURITY_NETWORK=y
+CONFIG_SECURITY_SELINUX=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_DETECT_IRQ=y
+CONFIG_SERIAL_8250_EXTENDED=y
+CONFIG_SERIAL_8250_MANY_PORTS=y
+CONFIG_SERIAL_8250_NR_UARTS=32
+CONFIG_SERIAL_8250_RSA=y
+CONFIG_SERIAL_8250_SHARE_IRQ=y
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_NONSTANDARD=y
+CONFIG_SERIO_LIBPS2=y
+CONFIG_SGI_PARTITION=y
+CONFIG_SMP=y
+CONFIG_SOCK_CGROUP_DATA=y
+CONFIG_SOLARIS_X86_PARTITION=y
+CONFIG_SUN_PARTITION=y
+CONFIG_SYNC_FILE=y
+CONFIG_SYSVIPC=y
+CONFIG_TASK_DELAY_ACCT=y
+CONFIG_TASK_IO_ACCOUNTING=y
+CONFIG_TASKSTATS=y
+CONFIG_TASK_XACCT=y
+CONFIG_TCP_CONG_ADVANCED=y
+CONFIG_TCP_MD5SIG=y
+CONFIG_TLS=y
+CONFIG_TMPFS_POSIX_ACL=y
+CONFIG_TMPFS=y
+CONFIG_TRANSPARENT_HUGEPAGE_MADVISE=y
+CONFIG_TRANSPARENT_HUGEPAGE=y
+CONFIG_TUN=y
+CONFIG_UNIXWARE_DISKLABEL=y
+CONFIG_UNIX=y
+CONFIG_USER_NS=y
+CONFIG_VALIDATE_FS_PARSER=y
+CONFIG_VETH=y
+CONFIG_VIRT_DRIVERS=y
+CONFIG_VIRTIO_BALLOON=y
+CONFIG_VIRTIO_BLK=y
+CONFIG_VIRTIO_CONSOLE=y
+CONFIG_VIRTIO_FS=y
+CONFIG_VIRTIO_NET=y
+CONFIG_VIRTIO_PCI=y
+CONFIG_VLAN_8021Q=y
+CONFIG_XFRM_SUB_POLICY=y
+CONFIG_XFRM_USER=y
+CONFIG_ZEROPLUS_FF=y
diff --git a/tools/testing/selftests/hid/config.x86_64 b/tools/testing/selftests/hid/config.x86_64
new file mode 100644
index 000000000000..a8721f403c21
--- /dev/null
+++ b/tools/testing/selftests/hid/config.x86_64
@@ -0,0 +1,4 @@
+CONFIG_X86_ACPI_CPUFREQ=y
+CONFIG_X86_CPUID=y
+CONFIG_X86_MSR=y
+CONFIG_X86_POWERNOW_K8=y
diff --git a/tools/testing/selftests/hid/vmtest.sh b/tools/testing/selftests/hid/vmtest.sh
new file mode 100755
index 000000000000..90f34150f257
--- /dev/null
+++ b/tools/testing/selftests/hid/vmtest.sh
@@ -0,0 +1,284 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+set -u
+set -e
+
+# This script currently only works for x86_64
+ARCH="$(uname -m)"
+case "${ARCH}" in
+x86_64)
+ QEMU_BINARY=qemu-system-x86_64
+ BZIMAGE="arch/x86/boot/bzImage"
+ ;;
+*)
+ echo "Unsupported architecture"
+ exit 1
+ ;;
+esac
+DEFAULT_COMMAND="./hid_bpf"
+SCRIPT_DIR="$(dirname $(realpath $0))"
+OUTPUT_DIR="$SCRIPT_DIR/results"
+KCONFIG_REL_PATHS=("${SCRIPT_DIR}/config" "${SCRIPT_DIR}/config.common" "${SCRIPT_DIR}/config.${ARCH}")
+B2C_URL="https://gitlab.freedesktop.org/mupuf/boot2container/-/raw/master/vm2c.py"
+NUM_COMPILE_JOBS="$(nproc)"
+LOG_FILE_BASE="$(date +"hid_selftests.%Y-%m-%d_%H-%M-%S")"
+LOG_FILE="${LOG_FILE_BASE}.log"
+EXIT_STATUS_FILE="${LOG_FILE_BASE}.exit_status"
+CONTAINER_IMAGE="registry.fedoraproject.org/fedora:36"
+
+usage()
+{
+ cat <<EOF
+Usage: $0 [-i] [-s] [-d <output_dir>] -- [<command>]
+
+<command> is the command you would normally run when you are in
+tools/testing/selftests/bpf. e.g:
+
+ $0 -- ./hid_bpf
+
+If no command is specified and a debug shell (-s) is not requested,
+"${DEFAULT_COMMAND}" will be run by default.
+
+If you build your kernel using KBUILD_OUTPUT= or O= options, these
+can be passed as environment variables to the script:
+
+ O=<kernel_build_path> $0 -- ./hid_bpf
+
+or
+
+ KBUILD_OUTPUT=<kernel_build_path> $0 -- ./hid_bpf
+
+Options:
+
+ -u) Update the boot2container script to a newer version.
+ -d) Update the output directory (default: ${OUTPUT_DIR})
+ -j) Number of jobs for compilation, similar to -j in make
+ (default: ${NUM_COMPILE_JOBS})
+ -s) Instead of powering off the VM, start an interactive
+ shell. If <command> is specified, the shell runs after
+ the command finishes executing
+EOF
+}
+
+download()
+{
+ local file="$1"
+
+ echo "Downloading $file..." >&2
+ curl -Lsf "$file" -o "${@:2}"
+}
+
+recompile_kernel()
+{
+ local kernel_checkout="$1"
+ local make_command="$2"
+
+ cd "${kernel_checkout}"
+
+ ${make_command} olddefconfig
+ ${make_command}
+}
+
+update_selftests()
+{
+ local kernel_checkout="$1"
+ local selftests_dir="${kernel_checkout}/tools/testing/selftests/hid"
+
+ cd "${selftests_dir}"
+ ${make_command}
+}
+
+run_vm()
+{
+ local b2c="$1"
+ local kernel_bzimage="$2"
+ local command="$3"
+ local post_command=""
+
+ if ! which "${QEMU_BINARY}" &> /dev/null; then
+ cat <<EOF
+Could not find ${QEMU_BINARY}
+Please install qemu or set the QEMU_BINARY environment variable.
+EOF
+ exit 1
+ fi
+
+ # alpine (used in post-container requires the PATH to have /bin
+ export PATH=$PATH:/bin
+
+ if [[ "${debug_shell}" != "yes" ]]
+ then
+ touch ${OUTPUT_DIR}/${LOG_FILE}
+ command="mount bpffs -t bpf /sys/fs/bpf/; set -o pipefail ; ${command} 2>&1 | tee ${OUTPUT_DIR}/${LOG_FILE}"
+ post_command="cat ${OUTPUT_DIR}/${LOG_FILE}"
+ else
+ command="mount bpffs -t bpf /sys/fs/bpf/; ${command}"
+ fi
+
+ set +e
+ $b2c --command "${command}" \
+ --kernel ${kernel_bzimage} \
+ --workdir ${OUTPUT_DIR} \
+ --image ${CONTAINER_IMAGE}
+
+ echo $? > ${OUTPUT_DIR}/${EXIT_STATUS_FILE}
+
+ set -e
+
+ ${post_command}
+}
+
+is_rel_path()
+{
+ local path="$1"
+
+ [[ ${path:0:1} != "/" ]]
+}
+
+do_update_kconfig()
+{
+ local kernel_checkout="$1"
+ local kconfig_file="$2"
+
+ rm -f "$kconfig_file" 2> /dev/null
+
+ for config in "${KCONFIG_REL_PATHS[@]}"; do
+ local kconfig_src="${config}"
+ cat "$kconfig_src" >> "$kconfig_file"
+ done
+}
+
+update_kconfig()
+{
+ local kernel_checkout="$1"
+ local kconfig_file="$2"
+
+ if [[ -f "${kconfig_file}" ]]; then
+ local local_modified="$(stat -c %Y "${kconfig_file}")"
+
+ for config in "${KCONFIG_REL_PATHS[@]}"; do
+ local kconfig_src="${config}"
+ local src_modified="$(stat -c %Y "${kconfig_src}")"
+ # Only update the config if it has been updated after the
+ # previously cached config was created. This avoids
+ # unnecessarily compiling the kernel and selftests.
+ if [[ "${src_modified}" -gt "${local_modified}" ]]; then
+ do_update_kconfig "$kernel_checkout" "$kconfig_file"
+ # Once we have found one outdated configuration
+ # there is no need to check other ones.
+ break
+ fi
+ done
+ else
+ do_update_kconfig "$kernel_checkout" "$kconfig_file"
+ fi
+}
+
+main()
+{
+ local script_dir="$(cd -P -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd -P)"
+ local kernel_checkout=$(realpath "${script_dir}"/../../../../)
+ # By default the script searches for the kernel in the checkout directory but
+ # it also obeys environment variables O= and KBUILD_OUTPUT=
+ local kernel_bzimage="${kernel_checkout}/${BZIMAGE}"
+ local command="${DEFAULT_COMMAND}"
+ local update_b2c="no"
+ local debug_shell="no"
+
+ while getopts ':hsud:j:' opt; do
+ case ${opt} in
+ u)
+ update_b2c="yes"
+ ;;
+ d)
+ OUTPUT_DIR="$OPTARG"
+ ;;
+ j)
+ NUM_COMPILE_JOBS="$OPTARG"
+ ;;
+ s)
+ command="/bin/sh"
+ debug_shell="yes"
+ ;;
+ h)
+ usage
+ exit 0
+ ;;
+ \? )
+ echo "Invalid Option: -$OPTARG"
+ usage
+ exit 1
+ ;;
+ : )
+ echo "Invalid Option: -$OPTARG requires an argument"
+ usage
+ exit 1
+ ;;
+ esac
+ done
+ shift $((OPTIND -1))
+
+ # trap 'catch "$?"' EXIT
+
+ if [[ "${debug_shell}" == "no" ]]; then
+ if [[ $# -eq 0 ]]; then
+ echo "No command specified, will run ${DEFAULT_COMMAND} in the vm"
+ else
+ command="$@"
+
+ if [[ "${command}" == "/bin/bash" || "${command}" == "bash" ]]
+ then
+ debug_shell="yes"
+ fi
+ fi
+ fi
+
+ local kconfig_file="${OUTPUT_DIR}/latest.config"
+ local make_command="make -j ${NUM_COMPILE_JOBS} KCONFIG_CONFIG=${kconfig_file}"
+
+ # Figure out where the kernel is being built.
+ # O takes precedence over KBUILD_OUTPUT.
+ if [[ "${O:=""}" != "" ]]; then
+ if is_rel_path "${O}"; then
+ O="$(realpath "${PWD}/${O}")"
+ fi
+ kernel_bzimage="${O}/${BZIMAGE}"
+ make_command="${make_command} O=${O}"
+ elif [[ "${KBUILD_OUTPUT:=""}" != "" ]]; then
+ if is_rel_path "${KBUILD_OUTPUT}"; then
+ KBUILD_OUTPUT="$(realpath "${PWD}/${KBUILD_OUTPUT}")"
+ fi
+ kernel_bzimage="${KBUILD_OUTPUT}/${BZIMAGE}"
+ make_command="${make_command} KBUILD_OUTPUT=${KBUILD_OUTPUT}"
+ fi
+
+ local b2c="${OUTPUT_DIR}/vm2c.py"
+
+ echo "Output directory: ${OUTPUT_DIR}"
+
+ mkdir -p "${OUTPUT_DIR}"
+ update_kconfig "${kernel_checkout}" "${kconfig_file}"
+
+ recompile_kernel "${kernel_checkout}" "${make_command}"
+
+ if [[ "${update_b2c}" == "no" && ! -f "${b2c}" ]]; then
+ echo "vm2c script not found in ${b2c}"
+ update_b2c="yes"
+ fi
+
+ if [[ "${update_b2c}" == "yes" ]]; then
+ download $B2C_URL $b2c
+ chmod +x $b2c
+ fi
+
+ update_selftests "${kernel_checkout}" "${make_command}"
+ run_vm $b2c "${kernel_bzimage}" "${command}"
+ if [[ "${debug_shell}" != "yes" ]]; then
+ echo "Logs saved in ${OUTPUT_DIR}/${LOG_FILE}"
+ fi
+
+ exit $(cat ${OUTPUT_DIR}/${EXIT_STATUS_FILE})
+}
+
+main "$@"
--
2.38.1
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