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-rwxr-xr-xtools/perf/tests/shell/test_arm_callgraph_fp.sh31
1 files changed, 13 insertions, 18 deletions
diff --git a/tools/perf/tests/shell/test_arm_callgraph_fp.sh b/tools/perf/tests/shell/test_arm_callgraph_fp.sh
index 83b53591b1ea..9caa36130175 100755
--- a/tools/perf/tests/shell/test_arm_callgraph_fp.sh
+++ b/tools/perf/tests/shell/test_arm_callgraph_fp.sh
@@ -6,7 +6,9 @@ shelldir=$(dirname "$0")
# shellcheck source=lib/perf_has_symbol.sh
. "${shelldir}"/lib/perf_has_symbol.sh
-lscpu | grep -q "aarch64" || exit 2
+if [ "$(uname -m)" != "aarch64" ]; then
+ exit 2
+fi
if perf version --build-options | grep HAVE_DWARF_UNWIND_SUPPORT | grep -q OFF
then
@@ -26,28 +28,21 @@ cleanup_files()
trap cleanup_files EXIT TERM INT
-# Add a 1 second delay to skip samples that are not in the leaf() function
# shellcheck disable=SC2086
-perf record -o "$PERF_DATA" --call-graph fp -e cycles//u -D 1000 --user-callchains -- $TEST_PROGRAM 2> /dev/null &
-PID=$!
-
-echo " + Recording (PID=$PID)..."
-sleep 2
-echo " + Stopping perf-record..."
+perf record -o "$PERF_DATA" --call-graph fp -e cycles//u --user-callchains -- $TEST_PROGRAM
-kill $PID
-wait $PID
+# Try opening the file so any immediate errors are visible in the log
+perf script -i "$PERF_DATA" -F comm,ip,sym | head -n4
-# expected perf-script output:
+# expected perf-script output if 'leaf' has been inserted correctly:
#
-# program
+# perf
# 728 leaf
# 753 parent
# 76c leafloop
-# ...
+# ... remaining stack to main() ...
-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++] = $2 } END { if (sym[0] != "leaf" ||
- sym[1] != "parent" ||
- sym[2] != "leafloop") exit 1 }'
+# Each frame is separated by a tab, some spaces and an address
+SEP="[[:space:]]+ [[:xdigit:]]+"
+perf script -i "$PERF_DATA" -F comm,ip,sym | tr '\n' ' ' | \
+ grep -E -q "perf $SEP leaf $SEP parent $SEP leafloop"