acrn-kernel/tools/perf/tests/shell/stat+csv_output.sh

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#!/bin/bash
# perf stat CSV output linter
# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
# Tests various perf stat CSV output commands for the
# correct number of fields and the CSV separator set to ','.
set -e
pythonchecker=$(dirname $0)/lib/perf_csv_output_lint.py
if [ "x$PYTHON" == "x" ]
then
if which python3 > /dev/null
then
PYTHON=python3
elif which python > /dev/null
then
PYTHON=python
else
echo Skipping test, python not detected please set environment variable PYTHON.
exit 2
fi
fi
# Return true if perf_event_paranoid is > $1 and not running as root.
function ParanoidAndNotRoot()
{
[ $(id -u) != 0 ] && [ $(cat /proc/sys/kernel/perf_event_paranoid) -gt $1 ]
}
check_no_args()
{
echo -n "Checking CSV output: no args "
perf stat -x, true 2>&1 | $PYTHON $pythonchecker --no-args
echo "[Success]"
}
check_system_wide()
{
echo -n "Checking CSV output: system wide "
if ParanoidAndNotRoot 0
then
echo "[Skip] paranoid and not root"
return
fi
perf stat -x, -a true 2>&1 | $PYTHON $pythonchecker --system-wide
echo "[Success]"
}
check_system_wide_no_aggr()
{
echo -n "Checking CSV output: system wide "
if ParanoidAndNotRoot 0
then
echo "[Skip] paranoid and not root"
return
fi
echo -n "Checking CSV output: system wide no aggregation "
perf stat -x, -A -a --no-merge true 2>&1 | $PYTHON $pythonchecker --system-wide-no-aggr
echo "[Success]"
}
check_interval()
{
echo -n "Checking CSV output: interval "
perf stat -x, -I 1000 true 2>&1 | $PYTHON $pythonchecker --interval
echo "[Success]"
}
check_event()
{
echo -n "Checking CSV output: event "
perf stat -x, -e cpu-clock true 2>&1 | $PYTHON $pythonchecker --event
echo "[Success]"
}
check_per_core()
{
echo -n "Checking CSV output: per core "
if ParanoidAndNotRoot 0
then
echo "[Skip] paranoid and not root"
return
fi
perf stat -x, --per-core -a true 2>&1 | $PYTHON $pythonchecker --per-core
echo "[Success]"
}
check_per_thread()
{
echo -n "Checking CSV output: per thread "
if ParanoidAndNotRoot 0
then
echo "[Skip] paranoid and not root"
return
fi
perf stat -x, --per-thread -a true 2>&1 | $PYTHON $pythonchecker --per-thread
echo "[Success]"
}
check_per_die()
{
echo -n "Checking CSV output: per die "
if ParanoidAndNotRoot 0
then
echo "[Skip] paranoid and not root"
return
fi
perf stat -x, --per-die -a true 2>&1 | $PYTHON $pythonchecker --per-die
echo "[Success]"
}
check_per_node()
{
echo -n "Checking CSV output: per node "
if ParanoidAndNotRoot 0
then
echo "[Skip] paranoid and not root"
return
fi
perf stat -x, --per-node -a true 2>&1 | $PYTHON $pythonchecker --per-node
echo "[Success]"
}
check_per_socket()
{
echo -n "Checking CSV output: per socket "
if ParanoidAndNotRoot 0
then
echo "[Skip] paranoid and not root"
return
fi
perf stat -x, --per-socket -a true 2>&1 | $PYTHON $pythonchecker --per-socket
echo "[Success]"
}
check_no_args
check_system_wide
check_system_wide_no_aggr
check_interval
check_event
check_per_core
check_per_thread
check_per_die
check_per_node
check_per_socket
exit 0