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-rwxr-xr-xtools/perf/tests/shell/test_arm_callgraph_fp.sh55
1 files changed, 55 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..61898e256616
--- /dev/null
+++ b/tools/perf/tests/shell/test_arm_callgraph_fp.sh
@@ -0,0 +1,55 @@
+#!/bin/sh
+# 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 "$PERF_DATA"
+}
+
+trap cleanup_files EXIT TERM INT
+
+# Add a 1 second delay to skip samples that are not in the leaf() function
+# shellcheck disable=SC2086
+perf record -o "$PERF_DATA" --call-graph fp -e cycles//u -D 1000 --user-callchains -- $TEST_PROGRAM 2> /dev/null &
+PID=$!
+
+echo " + Recording (PID=$PID)..."
+sleep 2
+echo " + Stopping perf-record..."
+
+kill $PID
+wait $PID
+
+# expected perf-script output:
+#
+# program
+# 728 leaf
+# 753 parent
+# 76c leafloop
+# ...
+
+perf script -i "$PERF_DATA" -F comm,ip,sym | head -n4
+perf script -i "$PERF_DATA" -F comm,ip,sym | head -n4 | \
+ awk '{ if ($2 != "") sym[i++] = $2 } END { if (sym[0] != "leaf" ||
+ sym[1] != "parent" ||
+ sym[2] != "leafloop") exit 1 }'