41 lines
938 B
Bash
41 lines
938 B
Bash
|
#!/bin/sh
|
||
|
|
# Check Arm64 callgraphs are complete in fp mode
|
||
|
|
# SPDX-License-Identifier: GPL-2.0
|
||
|
|
|
||
|
|
lscpu | grep -q "aarch64" || exit 2
|
||
|
|
|
||
|
|
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
|
||
|
|
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 }'
|