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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 13:14:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 13:14:44 +0000 |
commit | 30ff6afe596eddafacf22b1a5b2d1a3d6254ea15 (patch) | |
tree | 9b788335f92174baf7ee18f03ca8330b8c19ce2b /tests/ts/hwclock/systohc | |
parent | Initial commit. (diff) | |
download | util-linux-30ff6afe596eddafacf22b1a5b2d1a3d6254ea15.tar.xz util-linux-30ff6afe596eddafacf22b1a5b2d1a3d6254ea15.zip |
Adding upstream version 2.36.1.upstream/2.36.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ts/hwclock/systohc')
-rwxr-xr-x | tests/ts/hwclock/systohc | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/tests/ts/hwclock/systohc b/tests/ts/hwclock/systohc new file mode 100755 index 0000000..85fddc4 --- /dev/null +++ b/tests/ts/hwclock/systohc @@ -0,0 +1,99 @@ +#!/bin/bash + +# +# Copyright (C) 2007 Karel Zak <kzak@redhat.com> +# +# This file is part of util-linux. +# +# This file is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License or +# (at your option) any later version. +# +# This file is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# + +TS_TOPDIR="${0%/*}/../.." +TS_DESC="system to hw" +NTP_SERVER="0.fedora.pool.ntp.org" + +. $TS_TOPDIR/functions.sh +ts_init "$*" + +ts_check_test_command "$TS_CMD_HWCLOCK" + +ts_skip_nonroot +if [ "$TRAVIS_DIST" == "precise" ]; then + ts_skip "https://github.com/karelzak/util-linux/issues/1082" +fi +ts_check_prog "bc" +ts_check_prog "sntp" + +function get_offset_sys_ntp +{ + local ip="$@" + local out + + # using hostname instead of IP could give us more than one offset + out=$(sntp --timeout 1 "$ip") || return 1 + + # sed must deliver a signed float or empty string for sure + out=$(echo "$out" | \ + sed -n 's/.* \(\(+\|-\)[0-9]\{1,\}\.[0-9]\{1,\}\).*/\1/1p') + + [ -n "$out" ] || return 1 + echo "$out" +} + +function check_diff_offset +{ + local a=${1#+} + local b=${2#+} + local max="$3" + local tmp + + tmp=$(echo "$a - $b" | bc | tr -d '-') + echo "$tmp" + + tmp=$(echo "$tmp < $max" | bc) + [ $tmp -eq 1 ] +} + + +# we need fixed ntp IP to get comparable offsets +NTP_IP=$(ts_resolve_host "$NTP_SERVER") \ + || ts_skip "can't resolve hostname $NTP_SERVER" + +OFFSET_A=$(get_offset_sys_ntp "$NTP_IP") \ + || ts_skip "can't get ntp offset 1st, $NTP_IP" +OFFSET_B=$(get_offset_sys_ntp "$NTP_IP") \ + || ts_skip "can't get ntp offset 2nd, $NTP_IP" + +diff=$(check_diff_offset $OFFSET_A $OFFSET_B 0.02) \ + || ts_skip "unreliable ntp or sys clock offsets: $NTP_IP $OFFSET_A $OFFSET_B +/-$diff" + +# hwclock --show should work if we have a hw clock +tmp=$($TS_CMD_HWCLOCK --show 2>&1) +if [ $? != "0" ]; then + echo "$tmp" | grep -q "Cannot access the Hardware Clock via" \ + && ts_skip "no hardware clock found" + ts_failed "hwclock --show" +fi + +# call hwclock +for i in `seq 1 10`; do + # only *skip* on failure for now + $TS_CMD_HWCLOCK --systohc || ts_skip "hwclock --systohc failed, $i" + $TS_CMD_HWCLOCK --hctosys || ts_skip "hwclock --hctosys failed, $i" +done + +OFFSET_C=$(get_offset_sys_ntp "$NTP_IP") \ + || ts_skip "can't get ntp offset 3rd, $NTP_IP" + +diff=$(check_diff_offset "$OFFSET_B" "$OFFSET_C" 1.0) \ + || ts_failed "offsets $NTP_IP: $OFFSET_B $OFFSET_C +/-$diff" + +ts_ok "offsets $NTP_IP: $OFFSET_B $OFFSET_C +/-$diff" |