tests: add chrt test

Signed-off-by: Karel Zak <kzak@redhat.com>

schedutils/chrt.c

@@ -308,10 +308,10 @@ static void show_min_max(void)
 		int min = sched_get_priority_min(plc);
 
 		if (max >= 0 && min >= 0)
-			printf(_("SCHED_%s min/max priority\t: %d/%d\n"),
+			printf(_("%s min/max priority\t: %d/%d\n"),
 					get_policy_name(plc), min, max);
 		else
-			printf(_("SCHED_%s not supported?\n"), get_policy_name(plc));
+			printf(_("%s not supported?\n"), get_policy_name(plc));
 	}
 }
 

tests/commands.sh

@@ -89,3 +89,4 @@ TS_CMD_UUIDD=${TS_CMD_UUIDD-"$top_builddir/uuidd"}
 TS_CMD_UUIDGEN=${TS_CMD_UUIDGEN-"$top_builddir/uuidgen"}
 TS_CMD_WHEREIS=${TS_CMD_WHEREIS-"$top_builddir/whereis"}
 TS_CMD_WIPEFS=${TS_CMD_WIPEFS-"$top_builddir/wipefs"}
+TS_CMD_CHRT=${TS_CMD_CHRT-"$top_builddir/chrt"}

tests/expected/schedutils/chrt-batch

@@ -0,0 +1,2 @@
+SCHED_BATCH
+0

tests/expected/schedutils/chrt-deadline

@@ -0,0 +1,9 @@
+SCHED_DEADLINE
+0
+<removed>'s current runtime/deadline/period parameters: 13000/13000/13000
+SCHED_DEADLINE
+0
+<removed>'s current runtime/deadline/period parameters: 12000/12000/13000
+SCHED_DEADLINE
+0
+<removed>'s current runtime/deadline/period parameters: 10000/12000/13000

tests/expected/schedutils/chrt-fifo

@@ -0,0 +1,4 @@
+SCHED_FIFO
+1
+SCHED_FIFO
+99

tests/expected/schedutils/chrt-idle

@@ -0,0 +1,2 @@
+SCHED_IDLE
+0

tests/expected/schedutils/chrt-other

@@ -0,0 +1,2 @@
+SCHED_OTHER
+0

tests/expected/schedutils/chrt-rr

@@ -0,0 +1,4 @@
+SCHED_RR
+1
+SCHED_RR
+99

tests/ts/schedutils/chrt

@@ -0,0 +1,99 @@
+#!/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"
+
+function do_chrt {
+	$TS_CMD_CHRT $* $TS_CMD_CHRT --pid 0 | sed 's/.* policy: //; s/.* priority: //' &>> $TS_OUTPUT
+}
+
+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
+fi
+ts_finalize_subtest
+
+
+ts_init_subtest "batch"
+skip_policy SCHED_BATCH
+if [ $? == 0 ]; then
+	do_chrt --batch 0
+	cleanup_output
+fi
+ts_finalize_subtest
+
+
+ts_init_subtest "other"
+skip_policy SCHED_OTHER
+if [ $? == 0 ]; then
+	do_chrt --other 0
+	cleanup_output
+fi
+ts_finalize_subtest
+
+
+ts_init_subtest "rr"
+skip_policy SCHED_RR
+if [ $? == 0 ]; then
+	do_chrt --rr 1
+	do_chrt --rr 99
+	cleanup_output
+fi
+ts_finalize_subtest
+
+
+ts_init_subtest "idle"
+skip_policy SCHED_IDLE
+if [ $? == 0 ]; then
+	do_chrt --idle 0
+	cleanup_output
+fi
+ts_finalize_subtest
+
+
+ts_init_subtest "deadline"
+skip_policy SCHED_DEADLINE
+if [ $? == 0 ]; then
+	do_chrt --deadline --sched-period 13000 0
+	do_chrt --deadline --sched-period 13000 --sched-deadline 12000 0
+	do_chrt --deadline --sched-period 13000 --sched-deadline 12000 --sched-runtime 10000 0
+	cleanup_output
+fi
+ts_finalize_subtest
+
+ts_finalize