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✏️ /usr/src/linux-headers-6.8.0-124/tools/perf/tests/shell/test_arm_spe_fork.sh

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#!/bin/sh
# Check Arm SPE doesn't hang when there are forks

# SPDX-License-Identifier: GPL-2.0
# German Gomez <german.gomez@arm.com>, 2022

skip_if_no_arm_spe_event() {
	perf list | grep -E -q 'arm_spe_[0-9]+//' && return 0
	return 2
}

skip_if_no_arm_spe_event || exit 2

TEST_PROGRAM="perf test -w sqrtloop 10"
PERF_DATA=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
PERF_RECORD_LOG=$(mktemp /tmp/__perf_test.log.XXXXX)

cleanup_files()
{
	echo "Cleaning up files..."
	rm -f ${PERF_RECORD_LOG}
	rm -f ${PERF_DATA}
}

trap cleanup_files EXIT TERM INT

echo "Recording workload..."
perf record -o ${PERF_DATA} -e arm_spe/period=65536/ -vvv -- $TEST_PROGRAM > ${PERF_RECORD_LOG} 2>&1 &
PERFPID=$!

# Check if perf hangs by checking the perf-record logs.
sleep 1
log0=$(wc -l $PERF_RECORD_LOG)
echo Log lines = $log0
sleep 1
log1=$(wc -l $PERF_RECORD_LOG)
echo Log lines after 1 second = $log1

kill $PERFPID
wait $PERFPID

if [ "$log0" = "$log1" ];
then
        echo "SPE hang test: FAIL"
        exit 1
else
        echo "SPE hang test: PASS"
fi

exit 0

Batal

⬅ tests 42 item

Nama	Tipe	Ukuran	Diubah	Perm	Aksi
📁 coresight	dir	—	15/06/26 13:45	0755	📂
📁 lib	dir	—	15/06/26 13:45	0755	📂
⚙️ buildid.sh	sh	4.1 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ daemon.sh	sh	11.3 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ diff.sh	sh	1.9 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ list.sh	sh	561 B	10/03/24 20:38	0755	✏️ ⬇
⚙️ lock_contention.sh	sh	8.9 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ pipe_test.sh	sh	1 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ probe_vfs_getname.sh	sh	428 B	10/03/24 20:38	0755	✏️ ⬇
⚙️ record+probe_libc_inet_pton.sh	sh	3.5 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ record+script_probe_vfs_getname.sh	sh	1.4 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ record+zstd_comp_decomp.sh	sh	1.1 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ record.sh	sh	4.7 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ record_bpf_filter.sh	sh	2.7 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ record_offcpu.sh	sh	2.1 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ record_sideband.sh	sh	1.1 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ script.sh	sh	1.2 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ stat+csv_output.sh	sh	1.9 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ stat+csv_summary.sh	sh	611 B	10/03/24 20:38	0755	✏️ ⬇
⚙️ stat+json_output.sh	sh	4.8 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ stat+shadow_stat.sh	sh	2.1 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ stat+std_output.sh	sh	2.8 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ stat.sh	sh	5.4 KB	26/05/26 09:55	0755	✏️ ⬇
⚙️ stat_all_metricgroups.sh	sh	399 B	10/03/24 20:38	0755	✏️ ⬇
⚙️ stat_all_metrics.sh	sh	992 B	10/03/24 20:38	0755	✏️ ⬇
⚙️ stat_all_pfm.sh	sh	1.2 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ stat_all_pmu.sh	sh	739 B	10/03/24 20:38	0755	✏️ ⬇
⚙️ stat_bpf_counters.sh	sh	1.3 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ stat_bpf_counters_cgrp.sh	sh	2.1 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ stat_metrics_values.sh	sh	730 B	10/03/24 20:38	0755	✏️ ⬇
⚙️ test_arm_callgraph_fp.sh	sh	1 KB	26/05/26 09:55	0755	✏️ ⬇
⚙️ test_arm_coresight.sh	sh	5.7 KB	26/05/26 09:55	0755	✏️ ⬇
⚙️ test_arm_spe.sh	sh	2.9 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ test_arm_spe_fork.sh	sh	1 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ test_brstack.sh	sh	3 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ test_data_symbol.sh	sh	1.8 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ test_intel_pt.sh	sh	16.3 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ test_java_symbol.sh	sh	2 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ test_perf_data_converter_json.sh	sh	1.3 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ test_task_analyzer.sh	sh	4.7 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ test_uprobe_from_different_cu.sh	sh	1.5 KB	10/03/24 20:38	0755	✏️ ⬇
⚙️ trace+probe_vfs_getname.sh	sh	1.4 KB	10/03/24 20:38	0755	✏️ ⬇

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