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#!/bin/bash
#
# 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="${0%/*}/../.."
TS_DESC="chrt"
. "$TS_TOPDIR"/functions.sh
ts_init "$*"
ts_check_test_command "$TS_CMD_CHRT"
ts_skip_nonroot
ts_skip_docker
ts_skip_qemu_user
function do_chrt {
$TS_CMD_CHRT $* $TS_CMD_CHRT --pid 0 | sed 's/.* policy: //; s/.* priority: //' >> $TS_OUTPUT 2>> $TS_ERRLOG
}
function skip_policy {
$TS_CMD_CHRT --max | grep $1 | grep 'priority' &> /dev/null
if [ $? == 1 ]; then
ts_skip_subtest "unsupported"
return 1
fi
return 0
}
function cleanup_output {
sed -i -e 's/pid [0-9]*/<removed>/' $TS_OUTPUT
}
ts_init_subtest "fifo"
skip_policy SCHED_FIFO
if [ $? == 0 ]; then
do_chrt --fifo 1
do_chrt --fifo 99
cleanup_output
ts_finalize_subtest
fi
ts_init_subtest "batch"
skip_policy SCHED_BATCH
if [ $? == 0 ]; then
do_chrt --batch 0
cleanup_output
ts_finalize_subtest
fi
ts_init_subtest "other"
skip_policy SCHED_OTHER
if [ $? == 0 ]; then
do_chrt --other 0
cleanup_output
ts_finalize_subtest
fi
ts_init_subtest "rr"
skip_policy SCHED_RR
if [ $? == 0 ]; then
do_chrt --rr 1
do_chrt --rr 99
cleanup_output
ts_finalize_subtest
fi
ts_init_subtest "idle"
skip_policy SCHED_IDLE
if [ $? == 0 ]; then
do_chrt --idle 0
cleanup_output
ts_finalize_subtest
fi
ts_init_subtest "deadline"
skip_policy SCHED_DEADLINE
if [ $? == 0 ]; then
do_chrt --deadline --sched-period 130000 0
do_chrt --deadline --sched-period 130000 --sched-deadline 120000 0
do_chrt --deadline --sched-period 130000 --sched-deadline 120000 --sched-runtime 100000 0
cleanup_output
ts_finalize_subtest
fi
# failed -- let's report kernel limits
#
if [ $TS_NSUBFAILED -ne 0 ]; then
echo "Supported policies:"
$TS_CMD_CHRT --max
fi
ts_finalize
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