Module: xenomai-jki
Branch: for-forge
Commit: b1128a062518bc2417ab840a92798a0f8cfa9c4c
URL:
http://git.xenomai.org/?p=xenomai-jki.git;a=commit;h=b1128a062518bc2417ab840a92798a0f8cfa9c4c
Author: Jan Kiszka <jan.kis...@siemens.com>
Date: Mon Feb 29 16:54:26 2016 +0100
testsuite/smokey: Add test case for setschedparam & Co,
This performs basic checks on the correct execution of scheduling
parameter changes from primary mode.
Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
---
configure.ac | 1 +
testsuite/smokey/Makefile.am | 1 +
testsuite/smokey/setsched/Makefile.am | 9 +++
testsuite/smokey/setsched/setsched.c | 137 +++++++++++++++++++++++++++++++++
4 files changed, 148 insertions(+)
diff --git a/configure.ac b/configure.ac
index c61748c..1397659 100644
--- a/configure.ac
+++ b/configure.ac
@@ -914,6 +914,7 @@ AC_CONFIG_FILES([ \
testsuite/smokey/arith/Makefile \
testsuite/smokey/sched-quota/Makefile \
testsuite/smokey/sched-tp/Makefile \
+ testsuite/smokey/setsched/Makefile \
testsuite/smokey/rtdm/Makefile \
testsuite/smokey/vdso-access/Makefile \
testsuite/smokey/posix-cond/Makefile \
diff --git a/testsuite/smokey/Makefile.am b/testsuite/smokey/Makefile.am
index 51292f1..e253d6f 100644
--- a/testsuite/smokey/Makefile.am
+++ b/testsuite/smokey/Makefile.am
@@ -24,6 +24,7 @@ COBALT_SUBDIRS = \
rtdm \
sched-quota \
sched-tp \
+ setsched \
sigdebug \
timerfd \
tsc \
diff --git a/testsuite/smokey/setsched/Makefile.am
b/testsuite/smokey/setsched/Makefile.am
new file mode 100644
index 0000000..8c0a59b
--- /dev/null
+++ b/testsuite/smokey/setsched/Makefile.am
@@ -0,0 +1,9 @@
+
+noinst_LIBRARIES = libsetsched.a
+
+libsetsched_a_SOURCES = setsched.c
+
+libsetsched_a_CPPFLAGS = \
+ @XENO_USER_CFLAGS@ \
+ -I$(top_srcdir) \
+ -I$(top_srcdir)/include
diff --git a/testsuite/smokey/setsched/setsched.c
b/testsuite/smokey/setsched/setsched.c
new file mode 100644
index 0000000..359f190
--- /dev/null
+++ b/testsuite/smokey/setsched/setsched.c
@@ -0,0 +1,137 @@
+/*
+ * Scheduler live-adjustment test.
+ *
+ * Copyright (c) Siemens AG 2016
+ *
+ * Authors:
+ * Jan Kiszka <jan.kis...@siemens.com>
+ *
+ * Released under the terms of GPLv2.
+ */
+#include <stdio.h>
+#include <stdbool.h>
+#include <pthread.h>
+#include <error.h>
+#include <semaphore.h>
+#include <unistd.h>
+#include <sys/syscall.h>
+#include <smokey/smokey.h>
+#include <sys/cobalt.h>
+
+smokey_test_plugin(setsched, SMOKEY_NOARGS,
+ "Validate correct application of scheduling parameters to running threads."
+);
+
+static pid_t thread_pid;
+
+static void __check_linux_schedparams(int expected_policy, int expected_prio,
+ int line)
+{
+ struct sched_param linux_param;
+ int linux_policy;
+
+ linux_policy = syscall(SYS_sched_getscheduler, thread_pid);
+ if (smokey_check_status(syscall(SYS_sched_getparam, thread_pid,
+ &linux_param)))
+ pthread_exit((void *)(long)-EINVAL);
+
+ if (!smokey_assert(linux_policy == expected_policy) ||
+ !smokey_assert(linux_param.sched_priority == expected_prio)) {
+ smokey_warning("called from line %d", line);
+ pthread_exit((void *)(long)-EINVAL);
+ }
+}
+
+#define check_linux_schedparams(pol, prio) \
+ __check_linux_schedparams(pol, prio, __LINE__)
+
+static void __check_rt_schedparams(int expected_policy, int expected_prio,
+ int line)
+{
+ struct sched_param cobalt_param;
+ int cobalt_policy;
+
+ if (smokey_check_status(pthread_getschedparam(pthread_self(),
+ &cobalt_policy,
+ &cobalt_param)))
+ pthread_exit((void *)(long)-EINVAL);
+
+ if (!smokey_assert(cobalt_policy == expected_policy) ||
+ !smokey_assert(cobalt_param.sched_priority == expected_prio)) {
+ smokey_warning("called from line %d", line);
+ pthread_exit((void *)(long)-EINVAL);
+ }
+}
+
+#define check_rt_schedparams(pol, prio) \
+ __check_rt_schedparams(pol, prio, __LINE__)
+
+static void *thread_body(void *arg)
+{
+ struct cobalt_threadstat stats;
+ struct sched_param param;
+ unsigned long long msw;
+
+ thread_pid = syscall(SYS_gettid);
+
+ check_rt_schedparams(SCHED_FIFO, 1);
+ check_linux_schedparams(SCHED_FIFO, 1);
+
+ if (smokey_check_status(cobalt_thread_stat(thread_pid, &stats)))
+ pthread_exit((void *)(long)-EINVAL);
+ msw = stats.msw;
+
+ param.sched_priority = 2;
+ if (smokey_check_status(pthread_setschedparam(pthread_self(),
+ SCHED_FIFO, ¶m)))
+ pthread_exit((void *)(long)-EINVAL);
+
+ check_rt_schedparams(SCHED_FIFO, 2);
+
+ if (smokey_check_status(cobalt_thread_stat(thread_pid, &stats)) ||
+ !smokey_assert(stats.msw == msw))
+ pthread_exit((void *)(long)-EINVAL);
+
+ check_linux_schedparams(SCHED_FIFO, 2);
+
+ cobalt_thread_harden();
+
+ if (smokey_check_status(cobalt_thread_stat(thread_pid, &stats)))
+ pthread_exit((void *)(long)-EINVAL);
+ msw = stats.msw;
+
+ if (smokey_check_status(pthread_setschedprio(pthread_self(), 3)))
+ pthread_exit((void *)(long)-EINVAL);
+
+ check_rt_schedparams(SCHED_FIFO, 3);
+
+ if (smokey_check_status(cobalt_thread_stat(thread_pid, &stats)) ||
+ !smokey_assert(stats.msw == msw))
+ pthread_exit((void *)(long)-EINVAL);
+
+ check_linux_schedparams(SCHED_FIFO, 3);
+
+ return (void *)0L;
+}
+
+static int run_setsched(struct smokey_test *t, int argc, char *const argv[])
+{
+ struct sched_param param;
+ pthread_attr_t attr;
+ pthread_t thread;
+ void *retval;
+ int ret;
+
+ pthread_attr_init(&attr);
+ pthread_attr_setinheritsched(&attr, PTHREAD_EXPLICIT_SCHED);
+ pthread_attr_setschedpolicy(&attr, SCHED_FIFO);
+ param.sched_priority = 1;
+ pthread_attr_setschedparam(&attr, ¶m);
+ ret = pthread_create(&thread, &attr, thread_body, NULL);
+ if (ret)
+ error(1, ret, "pthread_create");
+
+ pthread_join(thread, &retval);
+
+ return (long)retval;
+}
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