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perf trace requires root because it needs to use tracepoints and BPF. Skip those test when it's not run as root. Before: $ perf test trace 15: Parse sched tracepoints fields : Skip (permissions) 80: perf ftrace tests : Skip 105: perf trace enum augmentation tests : FAILED! 106: perf trace BTF general tests : FAILED! 107: perf trace exit race : FAILED! 118: probe libc's inet_pton & backtrace it with ping : Skip 125: Check Arm CoreSight trace data recording and synthesized samples: Skip 127: Check Arm SPE trace data recording and synthesized samples : Skip 132: Check open filename arg using perf trace + vfs_getname : FAILED! After: $ perf test trace 15: Parse sched tracepoints fields : Skip (permissions) 80: perf ftrace tests : Skip 105: perf trace enum augmentation tests : Skip 106: perf trace BTF general tests : Skip 107: perf trace exit race : Skip 118: probe libc's inet_pton & backtrace it with ping : Skip 125: Check Arm CoreSight trace data recording and synthesized samples: Skip 127: Check Arm SPE trace data recording and synthesized samples : Skip 132: Check open filename arg using perf trace + vfs_getname : Skip Tested-by: Thomas Falcon <thomas.falcon@intel.com> Cc: Howard Chu <howardchu95@gmail.com> Link: https://lore.kernel.org/r/20250304022837.1877845-4-namhyung@kernel.org Signed-off-by: Namhyung Kim <namhyung@kernel.org>
68 lines
1.4 KiB
Bash
Executable File
68 lines
1.4 KiB
Bash
Executable File
#!/bin/sh
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# perf trace enum augmentation tests
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# SPDX-License-Identifier: GPL-2.0
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err=0
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set -e
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syscall="landlock_add_rule"
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non_syscall="timer:hrtimer_init,timer:hrtimer_start"
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TESTPROG="perf test -w landlock"
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# shellcheck source=lib/probe.sh
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. "$(dirname $0)"/lib/probe.sh
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skip_if_no_perf_trace || exit 2
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[ "$(id -u)" = 0 ] || exit 2
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check_vmlinux() {
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echo "Checking if vmlinux exists"
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if ! ls /sys/kernel/btf/vmlinux 1>/dev/null 2>&1
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then
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echo "trace+enum test [Skipped missing vmlinux BTF support]"
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err=2
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fi
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}
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trace_landlock() {
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echo "Tracing syscall ${syscall}"
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# test flight just to see if landlock_add_rule is available
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if ! perf trace $TESTPROG 2>&1 | grep -q landlock
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then
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echo "No landlock system call found, skipping to non-syscall tracing."
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return
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fi
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if perf trace -e $syscall $TESTPROG 2>&1 | \
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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.*"
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then
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err=0
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else
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err=1
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fi
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}
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trace_non_syscall() {
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echo "Tracing non-syscall tracepoint ${non-syscall}"
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if perf trace -e $non_syscall --max-events=1 2>&1 | \
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grep -q -E '.*timer:hrtimer_.*\(.*mode: HRTIMER_MODE_.*\)$'
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then
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err=0
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else
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err=1
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fi
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}
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check_vmlinux
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if [ $err = 0 ]; then
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trace_landlock
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fi
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if [ $err = 0 ]; then
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trace_non_syscall
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fi
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exit $err
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