1 files changed, 48 insertions, 0 deletions
diff --git a/tools/perf/tests/shell/test_arm_callgraph_fp.sh b/tools/perf/tests/shell/test_arm_callgraph_fp.sh
new file mode 100755
index 000000000000..9172dd68a81d
--- /dev/null
+++ b/tools/perf/tests/shell/test_arm_callgraph_fp.sh
@@ -0,0 +1,48 @@
+#!/bin/bash
+# Check Arm64 callgraphs are complete in fp mode
+# SPDX-License-Identifier: GPL-2.0
+
+shelldir=$(dirname "$0")
+# shellcheck source=lib/perf_has_symbol.sh
+. "${shelldir}"/lib/perf_has_symbol.sh
+
+if [ "$(uname -m)" != "aarch64" ]; then
+	exit 2
+fi
+
+if perf version --build-options | grep HAVE_DWARF_UNWIND_SUPPORT | grep -q OFF
+then
+  echo "Skipping, no dwarf unwind support"
+  exit 2
+fi
+
+skip_test_missing_symbol leafloop
+
+PERF_DATA=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
+TEST_PROGRAM="perf test -w leafloop"
+
+cleanup_files()
+{
+	rm -f "$PERF_DATA"
+}
+
+trap cleanup_files EXIT TERM INT
+
+# shellcheck disable=SC2086
+perf record -o "$PERF_DATA" --call-graph fp -e cycles//u --user-callchains -- $TEST_PROGRAM
+
+# Try opening the file so any immediate errors are visible in the log
+perf script -i "$PERF_DATA" -F comm,ip,sym | head -n4
+
+# expected perf-script output if 'leaf' has been inserted correctly:
+#
+# perf
+# 	728 leaf
+# 	753 parent
+# 	76c leafloop
+# ... remaining stack to main() ...
+
+# Each frame is separated by a tab, some spaces and an address
+SEP="[[:space:]]+ [[:xdigit:]]+"
+perf script -i "$PERF_DATA" -F comm,ip,sym | tr '\n' ' ' | \
+	grep -E -q "perf $SEP leaf $SEP parent $SEP leafloop"