selftests: ptp: Add Physical Hardware Clock test (9366211f) · Commits · 戴 / test

tools/testing/selftests/ptp/phc.sh

0 → 100755

+166 −0

Original line number	Diff line number	Diff line
		#!/bin/bash
		# SPDX-License-Identifier: GPL-2.0

		ALL_TESTS="
		settime
		adjtime
		adjfreq
		"
		DEV=$1

		##############################################################################
		# Sanity checks

		if [[ "$(id -u)" -ne 0 ]]; then
		echo "SKIP: need root privileges"
		exit 0
		fi

		if [[ "$DEV" == "" ]]; then
		echo "SKIP: PTP device not provided"
		exit 0
		fi

		require_command()
		{
		local cmd=$1; shift

		if [[ ! -x "$(command -v "$cmd")" ]]; then
		echo "SKIP: $cmd not installed"
		exit 1
		fi
		}

		phc_sanity()
		{
		phc_ctl $DEV get &> /dev/null

		if [ $? != 0 ]; then
		echo "SKIP: unknown clock $DEV: No such device"
		exit 1
		fi
		}

		require_command phc_ctl
		phc_sanity

		##############################################################################
		# Helpers

		# Exit status to return at the end. Set in case one of the tests fails.
		EXIT_STATUS=0
		# Per-test return value. Clear at the beginning of each test.
		RET=0

		check_err()
		{
		local err=$1

		if [[ $RET -eq 0 && $err -ne 0 ]]; then
		RET=$err
		fi
		}

		log_test()
		{
		local test_name=$1

		if [[ $RET -ne 0 ]]; then
		EXIT_STATUS=1
		printf "TEST: %-60s [FAIL]\n" "$test_name"
		return 1
		fi

		printf "TEST: %-60s [ OK ]\n" "$test_name"
		return 0
		}

		tests_run()
		{
		local current_test

		for current_test in ${TESTS:-$ALL_TESTS}; do
		$current_test
		done
		}

		##############################################################################
		# Tests

		settime_do()
		{
		local res

		res=$(phc_ctl $DEV set 0 wait 120.5 get 2> /dev/null \
		\| awk '/clock time is/{print $5}' \
		\| awk -F. '{print $1}')

		(( res == 120 ))
		}

		adjtime_do()
		{
		local res

		res=$(phc_ctl $DEV set 0 adj 10 get 2> /dev/null \
		\| awk '/clock time is/{print $5}' \
		\| awk -F. '{print $1}')

		(( res == 10 ))
		}

		adjfreq_do()
		{
		local res

		# Set the clock to be 1% faster
		res=$(phc_ctl $DEV freq 10000000 set 0 wait 100.5 get 2> /dev/null \
		\| awk '/clock time is/{print $5}' \
		\| awk -F. '{print $1}')

		(( res == 101 ))
		}

		##############################################################################

		cleanup()
		{
		phc_ctl $DEV freq 0.0 &> /dev/null
		phc_ctl $DEV set &> /dev/null
		}

		settime()
		{
		RET=0

		settime_do
		check_err $?
		log_test "settime"
		cleanup
		}

		adjtime()
		{
		RET=0

		adjtime_do
		check_err $?
		log_test "adjtime"
		cleanup
		}

		adjfreq()
		{
		RET=0

		adjfreq_do
		check_err $?
		log_test "adjfreq"
		cleanup
		}

		trap cleanup EXIT

		tests_run

		exit $EXIT_STATUS

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