| Server IP : 54.233.248.239 / Your IP : 172.28.20.13 Web Server : Apache System : Linux ip-172-28-29-189 6.5.0-1014-aws #14~22.04.1-Ubuntu SMP Thu Feb 15 15:27:06 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.2.34-43+ubuntu22.04.1+deb.sury.org+1 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals, MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /lib/modules/6.5.0-1014-aws/build/tools/perf/tests/shell/ |
Upload File : |
#!/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