1#!/bin/sh
2# Check Arm64 callgraphs are complete in fp mode
3# SPDX-License-Identifier: GPL-2.0
4
5lscpu | grep -q "aarch64" || exit 2
6
7PERF_DATA=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
8TEST_PROGRAM="perf test -w leafloop"
9
10cleanup_files()
11{
12	rm -f "$PERF_DATA"
13}
14
15trap cleanup_files EXIT TERM INT
16
17# shellcheck disable=SC2086
18perf record -o "$PERF_DATA" --call-graph fp -e cycles//u --user-callchains -- $TEST_PROGRAM
19
20# Try opening the file so any immediate errors are visible in the log
21perf script -i "$PERF_DATA" -F comm,ip,sym | head -n4
22
23# expected perf-script output if 'leaf' has been inserted correctly:
24#
25# perf
26# 	728 leaf
27# 	753 parent
28# 	76c leafloop
29# ... remaining stack to main() ...
30
31# Each frame is separated by a tab, some spaces and an address
32SEP="[[:space:]]+ [[:xdigit:]]+"
33perf script -i "$PERF_DATA" -F comm,ip,sym | tr '\n' ' ' | \
34	grep -E -q "perf $SEP leaf $SEP parent $SEP leafloop"
35