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tests: add SCHED_BATCH test

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Reference: https://bugzilla.redhat.com/show_bug.cgi?id=741090
Acked-by:: Jaromir Capik <jcapik@redhat.com>
Acked-by:  Sami Kerola <kerolasa@iki.fi>
Signed-off-by: Mike Fleetwood <mike.fleetwood@googlemail.com>
This commit is contained in:
Mike Fleetwood 2011-09-25 05:15:43 -04:00 committed by Sami Kerola
parent 3c2377ca15
commit 23d2e0b0b7
4 changed files with 57 additions and 0 deletions
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1
testsuite/.gitignore vendored
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@ -2,3 +2,4 @@
*.sum
site.bak
site.exp
test-schedbatch

5
testsuite/Makefile.am
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@ -4,6 +4,10 @@ export DEJAGNU
# Programs that are expected across the board.
DEJATOOL =
noinst_PROGRAMS = test-schedbatch
test_schedbatch_SOURCES = ps.test/test-schedbatch.c
if LINUX
# These should be in defined in 'across the board' scope, but are
# temporarily disabled on other than linux systems, see commit
@ -35,6 +39,7 @@ EXTRA_DIST = \
pmap.test/pmap.exp \
ps.test/ps_output.exp \
ps.test/ps_personality.exp \
ps.test/ps_sched_batch.exp \
pwdx.test/pwdx.exp \
slabtop.test/slabtop.exp \
sysctl.test/sysctl_read.exp \

12
testsuite/ps.test/ps_sched_batch.exp Normal file
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@ -0,0 +1,12 @@
#
# check the ps SCHED_BATCH scheduler policy output
#
set ps "${topdir}ps/pscommand"
set schedbatch "${topdir}testsuite/test-schedbatch"
spawn $schedbatch 18
set test "ps SCHED_BATCH scheduler"
spawn $ps --no-header -o comm,cls,nice -a
expect_pass "$test" "\\s+test-schedbatch\\s+B\\s+18"
untested "$test"

39
testsuite/ps.test/test-schedbatch.c Normal file
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@ -0,0 +1,39 @@
/* test-schedbatch.c - Create a process using SCHED_BATCH scheduler
* policy and nice value.
* Compile: gcc -o test-schedbatch -Wall test-schedbatch.c
* Usage: ./test-schedbatch [ <NICE> ]
*
* Author: Mike Fleetwood
* https://bugzilla.redhat.com/show_bug.cgi?id=741090
*/
#define _GNU_SOURCE
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <sched.h>
#include <sys/time.h>
#include <sys/resource.h>
int main(int argc, const char *argv[])
{
int nice = 19;
struct sched_param sp;
char msg[50];
if (argc >= 2) {
nice = atoi(argv[1]);
}
sp.sched_priority = 0;
if (sched_setscheduler(0, SCHED_BATCH, &sp)) {
perror("sched_setscheduler(0,SCHED_BATCH,{.sched_priority=0}");
}
if (setpriority(PRIO_PROCESS, 0, nice) || errno) {
(void)snprintf(msg, sizeof(msg),
"setpriority(PRIO_PROCESS, 0, %d)", nice);
perror(msg);
}
while (1) {
getchar();
}
}