#!/bin/bash# record weak terms# SPDX-License-Identifier: GPL-2.0# Test that command line options override weak terms from sysfs or inbuilt json.set -e shelldir=$(dirname "$0")# shellcheck source=lib/setup_python.sh. "${shelldir}"/lib/setup_python.sh # Find the first event with a specified period, such as# "cpu_core/event=0x24,period=200003,umask=0xff/"event=$(perf list --json | $PYTHON -c 'import json, sysfor e in json.load(sys.stdin):    if "EventName" not in e or "/modifier" in e["EventName"]:        continue    if "Encoding" in e and "period=" in e["Encoding"]:        print(e["EventName"])        break')if [[ "$event" = "" ]]then  echo "Skip: No sysfs/json events with inbuilt period."  exit 2fi echo "Testing that for $event the period is overridden with 1000"perf list --detail "$event"if ! perf record -c 1000 -vv -e "$event" -o /dev/null true 2>&1 | \  grep -q -F '{ sample_period, sample_freq }   1000'then  echo "Fail: Unexpected verbose output and sample period"  exit 1fiecho "Success"exit 0