1cd6382d8SGerman Gomez#!/bin/sh 2cd6382d8SGerman Gomez# Check Arm64 callgraphs are complete in fp mode 3cd6382d8SGerman Gomez# SPDX-License-Identifier: GPL-2.0 4cd6382d8SGerman Gomez 5cd6382d8SGerman Gomezlscpu | grep -q "aarch64" || exit 2 6cd6382d8SGerman Gomez 7cd6382d8SGerman GomezPERF_DATA=$(mktemp /tmp/__perf_test.perf.data.XXXXX) 87cf0b4a7SNamhyung KimTEST_PROGRAM="perf test -w leafloop" 9cd6382d8SGerman Gomez 10cd6382d8SGerman Gomezcleanup_files() 11cd6382d8SGerman Gomez{ 121bb17b4cSSpoorthy S rm -f "$PERF_DATA" 13cd6382d8SGerman Gomez} 14cd6382d8SGerman Gomez 151bb17b4cSSpoorthy Strap cleanup_files EXIT TERM INT 16cd6382d8SGerman Gomez 17cd6382d8SGerman Gomez# Add a 1 second delay to skip samples that are not in the leaf() function 18*33fe7c08SJames Clark# shellcheck disable=SC2086 19*33fe7c08SJames Clarkperf record -o "$PERF_DATA" --call-graph fp -e cycles//u -D 1000 --user-callchains -- $TEST_PROGRAM 2> /dev/null & 20cd6382d8SGerman GomezPID=$! 21cd6382d8SGerman Gomez 22cd6382d8SGerman Gomezecho " + Recording (PID=$PID)..." 23cd6382d8SGerman Gomezsleep 2 24cd6382d8SGerman Gomezecho " + Stopping perf-record..." 25cd6382d8SGerman Gomez 26cd6382d8SGerman Gomezkill $PID 27cd6382d8SGerman Gomezwait $PID 28cd6382d8SGerman Gomez 29cd6382d8SGerman Gomez# expected perf-script output: 30cd6382d8SGerman Gomez# 31cd6382d8SGerman Gomez# program 32cd6382d8SGerman Gomez# 728 leaf 33cd6382d8SGerman Gomez# 753 parent 347cf0b4a7SNamhyung Kim# 76c leafloop 35cd6382d8SGerman Gomez# ... 36cd6382d8SGerman Gomez 37*33fe7c08SJames Clarkperf script -i "$PERF_DATA" -F comm,ip,sym | head -n4 38*33fe7c08SJames Clarkperf script -i "$PERF_DATA" -F comm,ip,sym | head -n4 | \ 39cd6382d8SGerman Gomez awk '{ if ($2 != "") sym[i++] = $2 } END { if (sym[0] != "leaf" || 40cd6382d8SGerman Gomez sym[1] != "parent" || 417cf0b4a7SNamhyung Kim sym[2] != "leafloop") exit 1 }' 42