#include <zephyr/tc_util.h>
#include <zephyr/ztest.h>
#include <zephyr/kernel.h>
#include <ksched.h>
#include <zephyr/kernel_structs.h>

Data Structures
struct	thread_info

Macros
#define	RUN_FACTOR (CONFIG_SMP_TEST_RUN_FACTOR / 100.0)

#define	T2_STACK_SIZE (2048 + CONFIG_TEST_EXTRA_STACK_SIZE)

#define	STACK_SIZE (384 + CONFIG_TEST_EXTRA_STACK_SIZE)

#define	DELAY_US 50000

#define	TIMEOUT 1000

#define	EQUAL_PRIORITY 1

#define	TIME_SLICE_MS 500

#define	THREAD_DELAY 1

#define	SLEEP_MS_LONG ((int)(15000 * RUN_FACTOR))

#define	MAX_NUM_THREADS CONFIG_MP_MAX_NUM_CPUS

#define	SPAWN_AB_PRIO K_PRIO_COOP(10)

#define	LOOP_COUNT ((int)(20000 * RUN_FACTOR))

Enumerations
enum	sync_t { LOCK_IRQ , LOCK_SEM , LOCK_MUTEX }

Functions
	K_THREAD_STACK_DEFINE (t2_stack,(2048+CONFIG_TEST_EXTRA_STACK_SIZE))

	K_SEM_DEFINE (cpuid_sema, 0, 1)

	K_SEM_DEFINE (sema, 0, 1)

static	K_THREAD_STACK_ARRAY_DEFINE (tstack, CONFIG_MP_MAX_NUM_CPUS,(384+CONFIG_TEST_EXTRA_STACK_SIZE))

static int	curr_cpu (void)

static void	t2_fn (void a, void b, void *c)

	ZTEST (smp, test_smp_coop_threads)
	Verify SMP with 2 cooperative threads.

static void	child_fn (void p1, void p2, void *p3)

	ZTEST (smp, test_cpu_id_threads)
	Verify CPU IDs of threads in SMP.

static void	thread_entry_fn (void p1, void p2, void *p3)

static void	spin_for_threads_exit (void)

static void	spawn_threads (int prio, int thread_num, int equal_prio, k_thread_entry_t thread_entry, int delay)

static void	abort_threads (int num)

static void	cleanup_resources (void)

static void __no_optimization	thread_ab_entry (void p1, void p2, void *p3)

	ZTEST (smp, test_coop_switch_in_abort)
	Verify the code path when we do context switch in k_thread_abort on SMP system.

	ZTEST (smp, test_coop_resched_threads)
	Test cooperative threads non-preemption.

	ZTEST (smp, test_preempt_resched_threads)
	Test preemptness of preemptive thread.

	ZTEST (smp, test_yield_threads)
	Validate behavior of thread when it yields.

	ZTEST (smp, test_sleep_threads)
	Test behavior of thread when it sleeps.

static void	thread_wakeup_entry (void p1, void p2, void *p3)

static void	wakeup_on_start_thread (int tnum)

static void	check_wokeup_threads (int tnum)

	ZTEST (smp, test_wakeup_threads)
	Test behavior of wakeup() in SMP case.

static void	thread_get_cpu_entry (void p1, void p2, void *p3)

	ZTEST (smp, test_get_cpu)

void	k_sys_fatal_error_handler (unsigned int reason, const struct arch_esf *esf)
	Test interprocessor interrupt.

void	entry_oops (void p1, void p2, void *p3)

	ZTEST (smp, test_fatal_on_smp)
	Test fatal error can be triggered on different core.

static void	workq_handler (struct k_work *work)

	ZTEST (smp, test_workq_on_smp)
	Test system workq run on different core.

static void	t1_mutex_lock (void p1, void p2, void *p3)

static void	t2_mutex_lock (void p1, void p2, void *p3)

	ZTEST (smp, test_smp_release_global_lock)
	Test scenario that a thread release the global lock.

static void	sync_lock_dummy (void *k)

static void	sync_lock_irq (void *k)

static void	sync_unlock_irq (void *k)

static void	sync_lock_sem (void *k)

static void	sync_unlock_sem (void *k)

static void	sync_lock_mutex (void *k)

static void	sync_unlock_mutex (void *k)

static void	sync_init (int lock_type)

static void	inc_global_cnt (void a, void b, void *c)

static int	run_concurrency (void p1, void p2, void *p3)

	ZTEST (smp, test_inc_concurrency)
	Test if the concurrency of SMP works or not.

static void	process_events (void arg0, void arg1, void *arg2)
	Torture test for context switching code.

static void	signal_raise (void arg0, void arg1, void *arg2)

	ZTEST (smp, test_smp_switch_torture)

static void	check_affinity (void arg0, void arg1, void *arg2)
	Torture test for cpu affinity code.

	ZTEST (smp, test_smp_affinity)

static void *	smp_tests_setup (void)

	ZTEST_SUITE (smp, NULL, smp_tests_setup, NULL, NULL, NULL)

Variables
struct k_thread	t2

volatile int	t2_count

volatile int	sync_count = -1

static int	main_thread_id

static int	child_thread_id

volatile int	rv

static struct k_mutex	smutex

static struct k_sem	smp_sem

static ZTEST_BMEM volatile struct thread_info	tinfo [CONFIG_MP_MAX_NUM_CPUS]

static struct k_thread	tthread [CONFIG_MP_MAX_NUM_CPUS]

static volatile int	thread_started [CONFIG_MP_MAX_NUM_CPUS - 1]

static struct k_poll_signal	tsignal [CONFIG_MP_MAX_NUM_CPUS]

static struct k_poll_event	tevent [CONFIG_MP_MAX_NUM_CPUS]

static int	global_cnt

static struct k_mutex	smp_mutex

static void(*	sync_lock )(void *)

static void(*	sync_unlock )(void *)

Macro Definition Documentation

◆ DELAY_US

#define DELAY_US 50000

◆ EQUAL_PRIORITY

#define EQUAL_PRIORITY 1

◆ LOOP_COUNT

#define LOOP_COUNT ((int)(20000 * RUN_FACTOR))

◆ MAX_NUM_THREADS

#define MAX_NUM_THREADS CONFIG_MP_MAX_NUM_CPUS

◆ RUN_FACTOR

#define RUN_FACTOR (CONFIG_SMP_TEST_RUN_FACTOR / 100.0)

◆ SLEEP_MS_LONG

#define SLEEP_MS_LONG ((int)(15000 * RUN_FACTOR))

◆ SPAWN_AB_PRIO

#define SPAWN_AB_PRIO K_PRIO_COOP(10)

◆ STACK_SIZE

#define STACK_SIZE (384 + CONFIG_TEST_EXTRA_STACK_SIZE)

◆ T2_STACK_SIZE

#define T2_STACK_SIZE (2048 + CONFIG_TEST_EXTRA_STACK_SIZE)

◆ THREAD_DELAY

#define THREAD_DELAY 1

◆ TIME_SLICE_MS

#define TIME_SLICE_MS 500

◆ TIMEOUT

#define TIMEOUT 1000

Enumeration Type Documentation

◆ sync_t

enum sync_t

Enumerator
LOCK_IRQ
LOCK_SEM
LOCK_MUTEX

Function Documentation

◆ abort_threads()

static void abort_threads ( int num )

static

◆ check_wokeup_threads()

static void check_wokeup_threads ( int tnum )

static

◆ child_fn()

static void child_fn	(	void *	p1,
		void *	p2,
		void *	p3
	)

static

◆ cleanup_resources()

static void cleanup_resources ( void )

static

◆ curr_cpu()

static int curr_cpu ( void )

static

◆ entry_oops()

void entry_oops	(	void *	p1,
		void *	p2,
		void *	p3
	)

◆ inc_global_cnt()

static void inc_global_cnt	(	void *	a,
		void *	b,
		void *	c
	)

static

◆ K_SEM_DEFINE() [1/2]

K_SEM_DEFINE	(	cpuid_sema	,
		0	,
		1
	)

◆ K_SEM_DEFINE() [2/2]

K_SEM_DEFINE	(	sema	,
		0	,
		1
	)

◆ K_THREAD_STACK_ARRAY_DEFINE()

static K_THREAD_STACK_ARRAY_DEFINE	(	tstack	,
		CONFIG_MP_MAX_NUM_CPUS	,
		(384+CONFIG_TEST_EXTRA_STACK_SIZE)
	)

static

◆ K_THREAD_STACK_DEFINE()

K_THREAD_STACK_DEFINE	(	t2_stack	,
		(2048+CONFIG_TEST_EXTRA_STACK_SIZE)
	)

◆ run_concurrency()

static int run_concurrency	(	void *	p1,
		void *	p2,
		void *	p3
	)

static

◆ signal_raise()

static void signal_raise	(	void *	arg0,
		void *	arg1,
		void *	arg2
	)

static

◆ smp_tests_setup()

static void * smp_tests_setup ( void )

static

◆ spawn_threads()

static void spawn_threads	(	int	prio,
		int	thread_num,
		int	equal_prio,
		k_thread_entry_t	thread_entry,
		int	delay
	)

static

◆ spin_for_threads_exit()

static void spin_for_threads_exit ( void )

static

◆ sync_init()

static void sync_init ( int lock_type )

static

◆ sync_lock_dummy()

static void sync_lock_dummy ( void * k )

static

◆ sync_lock_irq()

static void sync_lock_irq ( void * k )

static

◆ sync_lock_mutex()

static void sync_lock_mutex ( void * k )

static

◆ sync_lock_sem()

static void sync_lock_sem ( void * k )

static

◆ sync_unlock_irq()

static void sync_unlock_irq ( void * k )

static

◆ sync_unlock_mutex()

static void sync_unlock_mutex ( void * k )

static

◆ sync_unlock_sem()

static void sync_unlock_sem ( void * k )

static

◆ t1_mutex_lock()

static void t1_mutex_lock	(	void *	p1,
		void *	p2,
		void *	p3
	)

static

◆ t2_fn()

static void t2_fn	(	void *	a,
		void *	b,
		void *	c
	)

static

◆ t2_mutex_lock()

static void t2_mutex_lock	(	void *	p1,
		void *	p2,
		void *	p3
	)

static

TESTPOINT: z_smp_release_global_lock() has been call during context switch but global_lock_cnt has not been decrease because no irq_lock() was called.

◆ thread_ab_entry()

static void __no_optimization thread_ab_entry	(	void *	p1,
		void *	p2,
		void *	p3
	)

static

◆ thread_entry_fn()

static void thread_entry_fn	(	void *	p1,
		void *	p2,
		void *	p3
	)

static

◆ thread_get_cpu_entry()

static void thread_get_cpu_entry	(	void *	p1,
		void *	p2,
		void *	p3
	)

static

TESTPOINT: call arch_curr_cpu() to get cpu struct

◆ thread_wakeup_entry()

static void thread_wakeup_entry	(	void *	p1,
		void *	p2,
		void *	p3
	)

static

◆ wakeup_on_start_thread()

static void wakeup_on_start_thread ( int tnum )

static

◆ workq_handler()

static void workq_handler ( struct k_work * work )

static

◆ ZTEST() [1/3]

ZTEST	(	smp	,
		test_get_cpu
	)

◆ ZTEST() [2/3]

ZTEST	(	smp	,
		test_smp_affinity
	)

◆ ZTEST() [3/3]

ZTEST	(	smp	,
		test_smp_switch_torture
	)

◆ ZTEST_SUITE()

ZTEST_SUITE	(	smp	,
		NULL	,
		smp_tests_setup	,
		NULL	,
		NULL	,
		NULL
	)

Variable Documentation

◆ child_thread_id

int child_thread_id

static

◆ global_cnt

int global_cnt

static

◆ main_thread_id

int main_thread_id

static

◆ rv

volatile int rv

◆ smp_mutex

struct k_mutex smp_mutex

static

◆ smp_sem

struct k_sem smp_sem

static

◆ smutex

struct k_mutex smutex

static

◆ sync_count

volatile int sync_count = -1

◆ sync_lock

void(* sync_lock) (void *) ( void * )

static

◆ sync_unlock

void(* sync_unlock) (void *) ( void * )

static

◆ t2

struct k_thread t2

◆ t2_count

volatile int t2_count

◆ tevent

struct k_poll_event tevent[CONFIG_MP_MAX_NUM_CPUS]

static

◆ thread_started

volatile int thread_started[CONFIG_MP_MAX_NUM_CPUS - 1]

static

◆ tinfo

ZTEST_BMEM volatile struct thread_info tinfo[CONFIG_MP_MAX_NUM_CPUS]

static

◆ tsignal

struct k_poll_signal tsignal[CONFIG_MP_MAX_NUM_CPUS]

static

◆ tthread

struct k_thread tthread[CONFIG_MP_MAX_NUM_CPUS]

static

Data Structures

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

◆ DELAY_US

◆ EQUAL_PRIORITY

◆ LOOP_COUNT

◆ MAX_NUM_THREADS

◆ RUN_FACTOR

◆ SLEEP_MS_LONG

◆ SPAWN_AB_PRIO

◆ STACK_SIZE

◆ T2_STACK_SIZE

◆ THREAD_DELAY

◆ TIME_SLICE_MS

◆ TIMEOUT

Enumeration Type Documentation

◆ sync_t

Function Documentation

◆ abort_threads()

◆ check_wokeup_threads()

◆ child_fn()

◆ cleanup_resources()

◆ curr_cpu()

◆ entry_oops()

◆ inc_global_cnt()

◆ K_SEM_DEFINE() [1/2]

◆ K_SEM_DEFINE() [2/2]

◆ K_THREAD_STACK_ARRAY_DEFINE()

◆ K_THREAD_STACK_DEFINE()

◆ run_concurrency()

◆ signal_raise()

◆ smp_tests_setup()

◆ spawn_threads()

◆ spin_for_threads_exit()

◆ sync_init()

◆ sync_lock_dummy()

◆ sync_lock_irq()

◆ sync_lock_mutex()

◆ sync_lock_sem()

◆ sync_unlock_irq()

◆ sync_unlock_mutex()

◆ sync_unlock_sem()

◆ t1_mutex_lock()

◆ t2_fn()

◆ t2_mutex_lock()

◆ thread_ab_entry()

◆ thread_entry_fn()

◆ thread_get_cpu_entry()

◆ thread_wakeup_entry()

◆ wakeup_on_start_thread()

◆ workq_handler()

◆ ZTEST() [1/3]

◆ ZTEST() [2/3]

◆ ZTEST() [3/3]

◆ ZTEST_SUITE()

Variable Documentation

◆ child_thread_id

◆ global_cnt

◆ main_thread_id

◆ rv

◆ smp_mutex

◆ smp_sem

◆ smutex

◆ sync_count

◆ sync_lock

◆ sync_unlock

◆ t2

◆ t2_count

◆ tevent

◆ thread_started

◆ tinfo

◆ tsignal

◆ tthread