63 lines · bash
1#!/bin/sh2# perf trace enum augmentation tests3# SPDX-License-Identifier: GPL-2.04 5err=06set -e7 8syscall="landlock_add_rule"9non_syscall="timer:hrtimer_init,timer:hrtimer_start"10 11TESTPROG="perf test -w landlock"12 13# shellcheck source=lib/probe.sh14. "$(dirname $0)"/lib/probe.sh15skip_if_no_perf_trace || exit 216 17check_vmlinux() {18 echo "Checking if vmlinux exists"19 if ! ls /sys/kernel/btf/vmlinux 1>/dev/null 2>&120 then21 echo "trace+enum test [Skipped missing vmlinux BTF support]"22 err=223 fi24}25 26trace_landlock() {27 echo "Tracing syscall ${syscall}"28 29 # test flight just to see if landlock_add_rule and libbpf are available30 $TESTPROG31 32 if perf trace -e $syscall $TESTPROG 2>&1 | \33 grep -q -E ".*landlock_add_rule\(ruleset_fd: 11, rule_type: (LANDLOCK_RULE_PATH_BENEATH|LANDLOCK_RULE_NET_PORT), rule_attr: 0x[a-f0-9]+, flags: 45\) = -1.*"34 then35 err=036 else37 err=138 fi39}40 41trace_non_syscall() {42 echo "Tracing non-syscall tracepoint ${non-syscall}"43 if perf trace -e $non_syscall --max-events=1 2>&1 | \44 grep -q -E '.*timer:hrtimer_.*\(.*mode: HRTIMER_MODE_.*\)$'45 then46 err=047 else48 err=149 fi50}51 52check_vmlinux53 54if [ $err = 0 ]; then55 trace_landlock56fi57 58if [ $err = 0 ]; then59 trace_non_syscall60fi61 62exit $err63