tests: add threads scheduling test case with unified kernel
this commit cover thread scheduling relevant apis k_current_get() k_sched_lock() k_sched_unlock() k_yield() k_sleep() k_wakeup() k_busy_wait() k_sched_time_slice_set() Change-Id: Ie449db3dda910bc1bafc0b5a04633f284e7f1dc3 Signed-off-by: jing wang <jing.j.wang@intel.com> Signed-off-by: Anas Nashif <anas.nashif@intel.com>
This commit is contained in:
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4b288999b2
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b10ab24c02
8 changed files with 421 additions and 0 deletions
4
tests/kernel/threads_scheduling/schedule_api/Makefile
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4
tests/kernel/threads_scheduling/schedule_api/Makefile
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BOARD ?= qemu_x86
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CONF_FILE = prj.conf
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include ${ZEPHYR_BASE}/Makefile.inc
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1
tests/kernel/threads_scheduling/schedule_api/prj.conf
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tests/kernel/threads_scheduling/schedule_api/prj.conf
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CONFIG_ZTEST=y
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include $(ZEPHYR_BASE)/tests/Makefile.test
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obj-y = main.o test_sched_priority.o test_sched_timeslice_and_lock.o
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tests/kernel/threads_scheduling/schedule_api/src/main.c
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tests/kernel/threads_scheduling/schedule_api/src/main.c
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/*
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* Copyright (c) 2016 Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @addtogroup t_kernel_threads
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* @{
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* @defgroup t_threads_scheduling test_threads_scheduling
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* @brief TestPurpose: verify threads scheduling based on priority, time
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* slice and lock/unlock
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* @}
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*/
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#include "test_sched.h"
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/*test case main entry*/
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void test_main(void *p1, void *p2, void *p3)
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{
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ztest_test_suite(test_threads_scheduling,
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ztest_unit_test(test_priority_cooperative),
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ztest_unit_test(test_priority_preemptible),
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ztest_unit_test(test_yield_cooperative),
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ztest_unit_test(test_sleep_cooperative),
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ztest_unit_test(test_sleep_wakeup_preemptible),
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ztest_unit_test(test_time_slicing_preemptible),
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ztest_unit_test(test_time_slicing_disable_preemptible),
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ztest_unit_test(test_lock_preemptible),
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ztest_unit_test(test_unlock_preemptible)
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);
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ztest_run_test_suite(test_threads_scheduling);
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}
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/*
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* Copyright (c) 2016 Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __TEST_SCHED_H__
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#define __TEST_SCHED_H__
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#include <zephyr.h>
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#include <ztest.h>
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#define STACK_SIZE 256
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struct thread_data {
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k_tid_t tid;
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int priority;
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int executed;
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};
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void test_priority_cooperative(void);
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void test_priority_preemptible(void);
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void test_yield_cooperative(void);
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void test_sleep_cooperative(void);
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void test_sleep_wakeup_preemptible(void);
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void test_time_slicing_preemptible(void);
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void test_time_slicing_disable_preemptible(void);
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void test_lock_preemptible(void);
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void test_unlock_preemptible(void);
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#endif /* __TEST_SCHED_H__ */
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/*
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* Copyright (c) 2016 Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @addtogroup t_threads_scheduling
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* @{
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* @defgroup t_threads_priority test_threads_priority
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* @brief TestPurpose: verify threads scheduling priority
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* @}
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*/
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#include "test_sched.h"
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static char __noinit __stack tstack[STACK_SIZE];
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static int last_prio;
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static void thread_entry(void *p1, void *p2, void *p3)
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{
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last_prio = k_thread_priority_get(k_current_get());
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}
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/*test cases*/
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void test_priority_cooperative(void)
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{
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int old_prio = k_thread_priority_get(k_current_get());
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/* set current thread to a negative priority */
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last_prio = -1;
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k_thread_priority_set(k_current_get(), last_prio);
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/* spawn thread with higher priority */
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int spawn_prio = last_prio - 1;
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k_tid_t tid = k_thread_spawn(tstack, STACK_SIZE,
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thread_entry, NULL, NULL, NULL,
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spawn_prio, 0, 0);
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/* checkpoint: current thread shouldn't preempted by higher thread */
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assert_true(last_prio == k_thread_priority_get(k_current_get()), NULL);
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k_sleep(100);
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/* checkpoint: spawned thread get executed */
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assert_true(last_prio == spawn_prio, NULL);
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k_thread_abort(tid);
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/* restore environment */
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k_thread_priority_set(k_current_get(), old_prio);
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}
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void test_priority_preemptible(void)
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{
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int old_prio = k_thread_priority_get(k_current_get());
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/* set current thread to a non-negative priority */
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last_prio = 2;
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k_thread_priority_set(k_current_get(), last_prio);
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int spawn_prio = last_prio - 1;
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k_tid_t tid = k_thread_spawn(tstack, STACK_SIZE,
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thread_entry, NULL, NULL, NULL,
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spawn_prio, 0, 0);
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/* checkpoint: thread is preempted by higher thread */
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assert_true(last_prio == spawn_prio, NULL);
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k_sleep(100);
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k_thread_abort(tid);
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spawn_prio = last_prio + 1;
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tid = k_thread_spawn(tstack, STACK_SIZE,
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thread_entry, NULL, NULL, NULL,
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spawn_prio, 0, 0);
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/* checkpoint: thread is not preempted by lower thread */
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assert_false(last_prio == spawn_prio, NULL);
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k_thread_abort(tid);
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/* restore environment */
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k_thread_priority_set(k_current_get(), old_prio);
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}
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/*
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* Copyright (c) 2016 Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @addtogroup t_threads_scheduling
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* @{
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* @defgroup t_sched_timeslice_and_lock test_sched_timeslice_and_lock
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* @brief TestPurpose: verify sched time slice and lock/unlock
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* @}
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*/
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#include "test_sched.h"
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#define THREADS_NUM 3
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static char __noinit __stack tstack[THREADS_NUM][STACK_SIZE];
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static struct thread_data tdata[THREADS_NUM];
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static int old_prio, init_prio;
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static void thread_entry(void *p1, void *p2, void *p3)
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{
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int sleep_ms = (int)p2;
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if (sleep_ms > 0) {
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k_sleep(sleep_ms);
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}
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int tnum = (int)p1;
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tdata[tnum].executed = 1;
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}
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static void setup_threads(void)
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{
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old_prio = k_thread_priority_get(k_current_get());
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for (int i = 0; i < THREADS_NUM; i++) {
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if (i == 0) {
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/* spawn thread with higher priority */
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tdata[i].priority = init_prio - 1;
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} else if (i == 1) {
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/* spawn thread with same priority */
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tdata[i].priority = init_prio;
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} else {
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/* spawn thread with lower priority */
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tdata[i].priority = init_prio + 1;
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}
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tdata[i].executed = 0;
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}
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k_thread_priority_set(k_current_get(), init_prio);
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}
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static void spawn_threads(int sleep_sec)
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{
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for (int i = 0; i < THREADS_NUM; i++) {
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tdata[i].tid = k_thread_spawn(tstack[i], STACK_SIZE,
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thread_entry, (void *)i, (void *)sleep_sec, NULL,
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tdata[i].priority, 0, 0);
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}
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}
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static void teardown_threads(void)
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{
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for (int i = 0; i < THREADS_NUM; i++) {
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k_thread_abort(tdata[i].tid);
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}
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k_thread_priority_set(k_current_get(), old_prio);
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}
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/*test cases*/
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void test_yield_cooperative(void)
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{
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/* set current thread to a cooperative priority */
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init_prio = -1;
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setup_threads();
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spawn_threads(0);
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/* checkpoint: only higher priority thread get executed when yield */
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k_yield();
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assert_true(tdata[0].executed == 1, NULL);
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assert_true(tdata[1].executed == 1, NULL);
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for (int i = 2; i < THREADS_NUM; i++) {
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assert_true(tdata[i].executed == 0, NULL);
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}
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/* restore environment */
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teardown_threads();
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}
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void test_sleep_cooperative(void)
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{
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/* set current thread to a cooperative priority */
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init_prio = -1;
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setup_threads();
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spawn_threads(0);
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/* checkpoint: all ready threads get executed when k_sleep */
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k_sleep(100);
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for (int i = 0; i < THREADS_NUM; i++) {
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assert_true(tdata[i].executed == 1, NULL);
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}
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/* restore environment */
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teardown_threads();
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}
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void test_busy_wait_cooperative(void)
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{
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/* set current thread to a preemptible priority */
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init_prio = -1;
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setup_threads();
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spawn_threads(0);
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k_busy_wait(100000); /* 100 ms */
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/* checkpoint: No other threads get executed */
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for (int i = 0; i < THREADS_NUM; i++) {
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assert_true(tdata[i].executed == 0, NULL);
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}
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/* restore environment */
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teardown_threads();
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}
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void test_sleep_wakeup_preemptible(void)
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{
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/* set current thread to a preemptible priority */
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init_prio = 0;
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setup_threads();
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spawn_threads(10 * 1000); /* 10 second */
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/* checkpoint: lower threads not executed, high threads are in sleep */
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for (int i = 0; i < THREADS_NUM; i++) {
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assert_true(tdata[i].executed == 0, NULL);
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}
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k_wakeup(tdata[0].tid);
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assert_true(tdata[0].executed == 1, NULL);
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/* restore environment */
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teardown_threads();
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}
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void test_time_slicing_preemptible(void)
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{
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/* set current thread to a preemptible priority */
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init_prio = 0;
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setup_threads();
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k_sched_time_slice_set(200, 0); /* 200 ms */
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spawn_threads(0);
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/* checkpoint: higher priority threads get executed immediately */
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assert_true(tdata[0].executed == 1, NULL);
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k_busy_wait(500000); /* 500 ms */
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/* checkpoint: equal priority threads get executed every time slice */
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assert_true(tdata[1].executed == 1, NULL);
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for (int i = 2; i < THREADS_NUM; i++) {
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assert_true(tdata[i].executed == 0, NULL);
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}
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/* restore environment */
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k_sched_time_slice_set(0, 0); /* disable time slice */
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teardown_threads();
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}
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void test_time_slicing_disable_preemptible(void)
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{
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/* set current thread to a preemptible priority */
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init_prio = 0;
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setup_threads();
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spawn_threads(0);
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/* checkpoint: higher priority threads get executed immediately */
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assert_true(tdata[0].executed == 1, NULL);
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k_busy_wait(500000); /* 500 ms */
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/* checkpoint: equal priority threads get executed every time slice */
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assert_true(tdata[1].executed == 0, NULL);
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for (int i = 2; i < THREADS_NUM; i++) {
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assert_true(tdata[i].executed == 0, NULL);
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}
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/* restore environment */
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teardown_threads();
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}
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void test_lock_preemptible(void)
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{
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/* set current thread to a preemptible priority */
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init_prio = 0;
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setup_threads();
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k_sched_lock();
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spawn_threads(0);
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/* do critical thing */
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k_busy_wait(100000);
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/* checkpoint: all other threads not been executed */
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for (int i = 0; i < THREADS_NUM; i++) {
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assert_true(tdata[i].executed == 0, NULL);
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}
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/* make current thread unready */
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k_sleep(100);
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/* checkpoint: all other threads get executed */
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for (int i = 0; i < THREADS_NUM; i++) {
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assert_true(tdata[i].executed == 1, NULL);
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}
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/* restore environment */
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teardown_threads();
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}
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void test_unlock_preemptible(void)
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{
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/* set current thread to a preemptible priority */
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init_prio = 0;
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setup_threads();
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k_sched_lock();
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spawn_threads(0);
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/* do critical thing */
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k_busy_wait(100000);
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k_sched_unlock();
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/* checkpoint: higher threads get executed */
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assert_true(tdata[0].executed == 1, NULL);
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for (int i = 1; i < THREADS_NUM; i++) {
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assert_true(tdata[i].executed == 0, NULL);
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}
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/* restore environment */
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teardown_threads();
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}
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[test]
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tags = kernel
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# tickless is not supported on nios2
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arch_exclude = nios2
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