diff --git a/tools/perf/tests/shell/trace_ksym_beautifier.sh b/tools/perf/tests/shell/trace_ksym_beautifier.sh new file mode 100755 index 000000000000..7c441f8551a2 --- /dev/null +++ b/tools/perf/tests/shell/trace_ksym_beautifier.sh @@ -0,0 +1,38 @@ +#!/bin/bash +# perf trace kernel symbol beautifier tests +# SPDX-License-Identifier: GPL-2.0 + +err=0 + +# shellcheck source=lib/probe.sh +. "$(dirname "$0")"/lib/probe.sh +skip_if_no_perf_trace || exit 2 +[ "$(id -u)" = 0 ] || exit 2 + +test_ksym_call_site() { + echo "Testing perf trace kernel symbol beautifier (call_site)" + output="$(perf trace -e kmem:kmalloc --max-events=1 -- true 2>&1)" + if ! echo "$output" | grep -q -E "call_site: [a-zA-Z_][a-zA-Z0-9_]*" || echo "$output" | grep -q -E "call_site: 0x[0-9a-fA-F]+" + then + printf "Call site kernel symbol beautification failed, output:\n%s\n" "$output" + err=1 + fi +} + +test_ksym_function_ptr() { + echo "Testing perf trace kernel symbol beautifier (function pointer)" + output="$(perf trace -e timer:hrtimer_start --max-events=1 -- sleep 0.01 2>&1)" + if ! echo "$output" | grep -q -E "function: [a-zA-Z_][a-zA-Z0-9_]*" || echo "$output" | grep -q -E "function: 0x[0-9a-fA-F]+" + then + printf "Function pointer kernel symbol beautification failed, output:\n%s\n" "$output" + err=1 + fi +} + +test_ksym_call_site + +if [ $err = 0 ]; then + test_ksym_function_ptr +fi + +exit $err