linux/tools/perf/tests/shell/trace_btf_enum.sh
James Clark 6f87543c74 perf test trace_btf_enum: Fix shellcheck warning
Shellcheck versions < v0.7.2 can't follow this path so add the helper to
fix the following warning:

  In tests/shell/trace_btf_enum.sh line 13:
  . "$(dirname $0)"/lib/probe.sh
  ^--------------------------^ SC1090: Can't follow non-constant source.
  Use a directive to specify location.

Fixes: d66763fed3 ("perf test trace_btf_enum: Add regression test for the BTF augmentation of enums in 'perf trace'")
Signed-off-by: James Clark <james.clark@linaro.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Howard Chu <howardchu95@gmail.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20240809095426.3065163-1-james.clark@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2024-08-28 18:18:33 -03:00

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#!/bin/sh
# perf trace enum augmentation tests
# SPDX-License-Identifier: GPL-2.0
err=0
set -e
syscall="landlock_add_rule"
non_syscall="timer:hrtimer_init,timer:hrtimer_start"
TESTPROG="perf test -w landlock"
# shellcheck source=lib/probe.sh
. "$(dirname $0)"/lib/probe.sh
skip_if_no_perf_trace || exit 2
check_vmlinux() {
echo "Checking if vmlinux exists"
if ! ls /sys/kernel/btf/vmlinux 1>/dev/null 2>&1
then
echo "trace+enum test [Skipped missing vmlinux BTF support]"
err=2
fi
}
trace_landlock() {
echo "Tracing syscall ${syscall}"
# test flight just to see if landlock_add_rule and libbpf are available
$TESTPROG
if perf trace -e $syscall $TESTPROG 2>&1 | \
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.*"
then
err=0
else
err=1
fi
}
trace_non_syscall() {
echo "Tracing non-syscall tracepoint ${non-syscall}"
if perf trace -e $non_syscall --max-events=1 2>&1 | \
grep -q -E '.*timer:hrtimer_.*\(.*mode: HRTIMER_MODE_.*\)$'
then
err=0
else
err=1
fi
}
check_vmlinux
if [ $err = 0 ]; then
trace_landlock
fi
if [ $err = 0 ]; then
trace_non_syscall
fi
exit $err