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Diffstat (limited to 'test/validation/synchronizers/synchronizers.c')
| -rw-r--r-- | test/validation/synchronizers/synchronizers.c | 1214 |
1 files changed, 1214 insertions, 0 deletions
diff --git a/test/validation/synchronizers/synchronizers.c b/test/validation/synchronizers/synchronizers.c new file mode 100644 index 0000000..4f89366 --- /dev/null +++ b/test/validation/synchronizers/synchronizers.c @@ -0,0 +1,1214 @@ +/* Copyright (c) 2014, Linaro Limited + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <malloc.h> +#include <odp.h> +#include <CUnit/Basic.h> +#include <odp_cunit_common.h> +#include <unistd.h> +#include "synchronizers.h" + +#define VERBOSE 0 +#define MAX_ITERATIONS 1000 +#define BARRIER_ITERATIONS 64 + +#define SLOW_BARRIER_DELAY 400 +#define BASE_DELAY 6 +#define MIN_DELAY 1 + +#define NUM_TEST_BARRIERS BARRIER_ITERATIONS +#define NUM_RESYNC_BARRIERS 100 + +#define ADD_SUB_CNT 5 + +#define CNT 10 +#define BARRIER_DELAY 10 +#define U32_INIT_VAL (1UL << 10) +#define U64_INIT_VAL (1ULL << 33) + +#define GLOBAL_SHM_NAME "GlobalLockTest" + +#define UNUSED __attribute__((__unused__)) + +static odp_atomic_u32_t a32u; +static odp_atomic_u64_t a64u; + +typedef __volatile uint32_t volatile_u32_t; +typedef __volatile uint64_t volatile_u64_t; + +typedef struct { + odp_atomic_u32_t wait_cnt; +} custom_barrier_t; + +typedef struct { + /* Global variables */ + uint32_t g_num_threads; + uint32_t g_iterations; + uint32_t g_verbose; + uint32_t g_max_num_cores; + + odp_barrier_t test_barriers[NUM_TEST_BARRIERS]; + custom_barrier_t custom_barrier1[NUM_TEST_BARRIERS]; + custom_barrier_t custom_barrier2[NUM_TEST_BARRIERS]; + volatile_u32_t slow_thread_num; + volatile_u32_t barrier_cnt1; + volatile_u32_t barrier_cnt2; + odp_barrier_t global_barrier; + + /* Used to periodically resync within the lock functional tests */ + odp_barrier_t barrier_array[NUM_RESYNC_BARRIERS]; + + /* Locks */ + odp_spinlock_t global_spinlock; + odp_ticketlock_t global_ticketlock; + odp_rwlock_t global_rwlock; + + volatile_u32_t global_lock_owner; +} global_shared_mem_t; + +/* Per-thread memory */ +typedef struct { + global_shared_mem_t *global_mem; + + int thread_id; + int thread_core; + + odp_spinlock_t per_thread_spinlock; + odp_ticketlock_t per_thread_ticketlock; + odp_rwlock_t per_thread_rwlock; + + volatile_u64_t delay_counter; +} per_thread_mem_t; + +static odp_shm_t global_shm; +static global_shared_mem_t *global_mem; + +/* +* Delay a consistent amount of time. Ideally the amount of CPU time taken +* is linearly proportional to "iterations". The goal is to try to do some +* work that the compiler optimizer won't optimize away, and also to +* minimize loads and stores (at least to different memory addresses) +* so as to not affect or be affected by caching issues. This does NOT have to +* correlate to a specific number of cpu cycles or be consistent across +* CPU architectures. +*/ +static void thread_delay(per_thread_mem_t *per_thread_mem, uint32_t iterations) +{ + volatile_u64_t *counter_ptr; + uint32_t cnt; + + counter_ptr = &per_thread_mem->delay_counter; + + for (cnt = 1; cnt <= iterations; cnt++) + (*counter_ptr)++; +} + +/* Initialise per-thread memory */ +static per_thread_mem_t *thread_init(void) +{ + global_shared_mem_t *global_mem; + per_thread_mem_t *per_thread_mem; + odp_shm_t global_shm; + uint32_t per_thread_mem_len; + + per_thread_mem_len = sizeof(per_thread_mem_t); + per_thread_mem = malloc(per_thread_mem_len); + memset(per_thread_mem, 0, per_thread_mem_len); + + per_thread_mem->delay_counter = 1; + + per_thread_mem->thread_id = odp_thread_id(); + per_thread_mem->thread_core = odp_cpu_id(); + + global_shm = odp_shm_lookup(GLOBAL_SHM_NAME); + global_mem = odp_shm_addr(global_shm); + CU_ASSERT_PTR_NOT_NULL(global_mem); + + per_thread_mem->global_mem = global_mem; + + return per_thread_mem; +} + +static void thread_finalize(per_thread_mem_t *per_thread_mem) +{ + free(per_thread_mem); +} + +static void custom_barrier_init(custom_barrier_t *custom_barrier, + uint32_t num_threads) +{ + odp_atomic_init_u32(&custom_barrier->wait_cnt, num_threads); +} + +static void custom_barrier_wait(custom_barrier_t *custom_barrier) +{ + volatile_u64_t counter = 1; + uint32_t delay_cnt, wait_cnt; + + odp_atomic_sub_u32(&custom_barrier->wait_cnt, 1); + + wait_cnt = 1; + while (wait_cnt != 0) { + for (delay_cnt = 1; delay_cnt <= BARRIER_DELAY; delay_cnt++) + counter++; + + wait_cnt = odp_atomic_load_u32(&custom_barrier->wait_cnt); + } +} + +static uint32_t barrier_test(per_thread_mem_t *per_thread_mem, + odp_bool_t no_barrier_test) +{ + global_shared_mem_t *global_mem; + uint32_t barrier_errs, iterations, cnt, i_am_slow_thread; + uint32_t thread_num, slow_thread_num, next_slow_thread, num_threads; + uint32_t lock_owner_delay, barrier_cnt1, barrier_cnt2; + + thread_num = odp_thread_id(); + global_mem = per_thread_mem->global_mem; + num_threads = global_mem->g_num_threads; + iterations = BARRIER_ITERATIONS; + + barrier_errs = 0; + lock_owner_delay = SLOW_BARRIER_DELAY; + + for (cnt = 1; cnt < iterations; cnt++) { + /* Wait here until all of the threads reach this point */ + custom_barrier_wait(&global_mem->custom_barrier1[cnt]); + + barrier_cnt1 = global_mem->barrier_cnt1; + barrier_cnt2 = global_mem->barrier_cnt2; + + if ((barrier_cnt1 != cnt) || (barrier_cnt2 != cnt)) { + printf("thread_num=%" PRIu32 " barrier_cnts of %" PRIu32 + " %" PRIu32 " cnt=%" PRIu32 "\n", + thread_num, barrier_cnt1, barrier_cnt2, cnt); + barrier_errs++; + } + + /* Wait here until all of the threads reach this point */ + custom_barrier_wait(&global_mem->custom_barrier2[cnt]); + + slow_thread_num = global_mem->slow_thread_num; + i_am_slow_thread = thread_num == slow_thread_num; + next_slow_thread = slow_thread_num + 1; + if (num_threads < next_slow_thread) + next_slow_thread = 1; + + /* + * Now run the test, which involves having all but one thread + * immediately calling odp_barrier_wait(), and one thread wait a + * moderate amount of time and then calling odp_barrier_wait(). + * The test fails if any of the first group of threads + * has not waited for the "slow" thread. The "slow" thread is + * responsible for re-initializing the barrier for next trial. + */ + if (i_am_slow_thread) { + thread_delay(per_thread_mem, lock_owner_delay); + lock_owner_delay += BASE_DELAY; + if ((global_mem->barrier_cnt1 != cnt) || + (global_mem->barrier_cnt2 != cnt) || + (global_mem->slow_thread_num + != slow_thread_num)) + barrier_errs++; + } + + if (no_barrier_test == 0) + odp_barrier_wait(&global_mem->test_barriers[cnt]); + + global_mem->barrier_cnt1 = cnt + 1; + odp_sync_stores(); + + if (i_am_slow_thread) { + global_mem->slow_thread_num = next_slow_thread; + global_mem->barrier_cnt2 = cnt + 1; + odp_sync_stores(); + } else { + while (global_mem->barrier_cnt2 != (cnt + 1)) + thread_delay(per_thread_mem, BASE_DELAY); + } + } + + if ((global_mem->g_verbose) && (barrier_errs != 0)) + printf("\nThread %" PRIu32 " (id=%d core=%d) had %" PRIu32 + " barrier_errs in %" PRIu32 " iterations\n", thread_num, + per_thread_mem->thread_id, + per_thread_mem->thread_core, barrier_errs, iterations); + + return barrier_errs; +} + +static void *no_barrier_functional_test(void *arg UNUSED) +{ + per_thread_mem_t *per_thread_mem; + uint32_t barrier_errs; + + per_thread_mem = thread_init(); + barrier_errs = barrier_test(per_thread_mem, 1); + + /* + * Note that the following CU_ASSERT MAY appear incorrect, but for the + * no_barrier test it should see barrier_errs or else there is something + * wrong with the test methodology or the ODP thread implementation. + * So this test PASSES only if it sees barrier_errs! + */ + CU_ASSERT(barrier_errs != 0); + thread_finalize(per_thread_mem); + + return NULL; +} + +static void *barrier_functional_test(void *arg UNUSED) +{ + per_thread_mem_t *per_thread_mem; + uint32_t barrier_errs; + + per_thread_mem = thread_init(); + barrier_errs = barrier_test(per_thread_mem, 0); + + CU_ASSERT(barrier_errs == 0); + thread_finalize(per_thread_mem); + + return NULL; +} + +static void spinlock_api_test(odp_spinlock_t *spinlock) +{ + odp_spinlock_init(spinlock); + CU_ASSERT(odp_spinlock_is_locked(spinlock) == 0); + + odp_spinlock_lock(spinlock); + CU_ASSERT(odp_spinlock_is_locked(spinlock) == 1); + + odp_spinlock_unlock(spinlock); + CU_ASSERT(odp_spinlock_is_locked(spinlock) == 0); + + CU_ASSERT(odp_spinlock_trylock(spinlock) == 1); + + CU_ASSERT(odp_spinlock_is_locked(spinlock) == 1); + + odp_spinlock_unlock(spinlock); + CU_ASSERT(odp_spinlock_is_locked(spinlock) == 0); +} + +static void *spinlock_api_tests(void *arg UNUSED) +{ + global_shared_mem_t *global_mem; + per_thread_mem_t *per_thread_mem; + odp_spinlock_t local_spin_lock; + + per_thread_mem = thread_init(); + global_mem = per_thread_mem->global_mem; + + odp_barrier_wait(&global_mem->global_barrier); + + spinlock_api_test(&local_spin_lock); + spinlock_api_test(&per_thread_mem->per_thread_spinlock); + + thread_finalize(per_thread_mem); + + return NULL; +} + +static void ticketlock_api_test(odp_ticketlock_t *ticketlock) +{ + odp_ticketlock_init(ticketlock); + CU_ASSERT(odp_ticketlock_is_locked(ticketlock) == 0); + + odp_ticketlock_lock(ticketlock); + CU_ASSERT(odp_ticketlock_is_locked(ticketlock) == 1); + + odp_ticketlock_unlock(ticketlock); + CU_ASSERT(odp_ticketlock_is_locked(ticketlock) == 0); + + CU_ASSERT(odp_ticketlock_trylock(ticketlock) == 1); + CU_ASSERT(odp_ticketlock_trylock(ticketlock) == 0); + CU_ASSERT(odp_ticketlock_is_locked(ticketlock) == 1); + + odp_ticketlock_unlock(ticketlock); + CU_ASSERT(odp_ticketlock_is_locked(ticketlock) == 0); +} + +static void *ticketlock_api_tests(void *arg UNUSED) +{ + global_shared_mem_t *global_mem; + per_thread_mem_t *per_thread_mem; + odp_ticketlock_t local_ticket_lock; + + per_thread_mem = thread_init(); + global_mem = per_thread_mem->global_mem; + + odp_barrier_wait(&global_mem->global_barrier); + + ticketlock_api_test(&local_ticket_lock); + ticketlock_api_test(&per_thread_mem->per_thread_ticketlock); + + thread_finalize(per_thread_mem); + + return NULL; +} + +static void rwlock_api_test(odp_rwlock_t *rw_lock) +{ + odp_rwlock_init(rw_lock); + /* CU_ASSERT(odp_rwlock_is_locked(rw_lock) == 0); */ + + odp_rwlock_read_lock(rw_lock); + odp_rwlock_read_unlock(rw_lock); + + odp_rwlock_write_lock(rw_lock); + /* CU_ASSERT(odp_rwlock_is_locked(rw_lock) == 1); */ + + odp_rwlock_write_unlock(rw_lock); + /* CU_ASSERT(odp_rwlock_is_locked(rw_lock) == 0); */ +} + +static void *rwlock_api_tests(void *arg UNUSED) +{ + global_shared_mem_t *global_mem; + per_thread_mem_t *per_thread_mem; + odp_rwlock_t local_rwlock; + + per_thread_mem = thread_init(); + global_mem = per_thread_mem->global_mem; + + odp_barrier_wait(&global_mem->global_barrier); + + rwlock_api_test(&local_rwlock); + rwlock_api_test(&per_thread_mem->per_thread_rwlock); + + thread_finalize(per_thread_mem); + + return NULL; +} + +static void *no_lock_functional_test(void *arg UNUSED) +{ + global_shared_mem_t *global_mem; + per_thread_mem_t *per_thread_mem; + uint32_t thread_num, resync_cnt, rs_idx, iterations, cnt; + uint32_t sync_failures, current_errs, lock_owner_delay; + + thread_num = odp_cpu_id() + 1; + per_thread_mem = thread_init(); + global_mem = per_thread_mem->global_mem; + iterations = global_mem->g_iterations; + + odp_barrier_wait(&global_mem->global_barrier); + + sync_failures = 0; + current_errs = 0; + rs_idx = 0; + resync_cnt = iterations / NUM_RESYNC_BARRIERS; + lock_owner_delay = BASE_DELAY; + + for (cnt = 1; cnt <= iterations; cnt++) { + global_mem->global_lock_owner = thread_num; + odp_sync_stores(); + thread_delay(per_thread_mem, lock_owner_delay); + + if (global_mem->global_lock_owner != thread_num) { + current_errs++; + sync_failures++; + } + + global_mem->global_lock_owner = 0; + odp_sync_stores(); + thread_delay(per_thread_mem, MIN_DELAY); + + if (global_mem->global_lock_owner == thread_num) { + current_errs++; + sync_failures++; + } + + if (current_errs == 0) + lock_owner_delay++; + + /* Wait a small amount of time and rerun the test */ + thread_delay(per_thread_mem, BASE_DELAY); + + /* Try to resync all of the threads to increase contention */ + if ((rs_idx < NUM_RESYNC_BARRIERS) && + ((cnt % resync_cnt) == (resync_cnt - 1))) + odp_barrier_wait(&global_mem->barrier_array[rs_idx++]); + } + + if (global_mem->g_verbose) + printf("\nThread %" PRIu32 " (id=%d core=%d) had %" PRIu32 + " sync_failures in %" PRIu32 " iterations\n", + thread_num, + per_thread_mem->thread_id, + per_thread_mem->thread_core, + sync_failures, iterations); + + /* Note that the following CU_ASSERT MAY appear incorrect, but for the + * no_lock test it should see sync_failures or else there is something + * wrong with the test methodology or the ODP thread implementation. + * So this test PASSES only if it sees sync_failures + */ + CU_ASSERT(sync_failures != 0); + + thread_finalize(per_thread_mem); + + return NULL; +} + +static void *spinlock_functional_test(void *arg UNUSED) +{ + global_shared_mem_t *global_mem; + per_thread_mem_t *per_thread_mem; + uint32_t thread_num, resync_cnt, rs_idx, iterations, cnt; + uint32_t sync_failures, is_locked_errs, current_errs; + uint32_t lock_owner_delay; + + thread_num = odp_cpu_id() + 1; + per_thread_mem = thread_init(); + global_mem = per_thread_mem->global_mem; + iterations = global_mem->g_iterations; + + odp_barrier_wait(&global_mem->global_barrier); + + sync_failures = 0; + is_locked_errs = 0; + current_errs = 0; + rs_idx = 0; + resync_cnt = iterations / NUM_RESYNC_BARRIERS; + lock_owner_delay = BASE_DELAY; + + for (cnt = 1; cnt <= iterations; cnt++) { + /* Acquire the shared global lock */ + odp_spinlock_lock(&global_mem->global_spinlock); + + /* Make sure we have the lock AND didn't previously own it */ + if (odp_spinlock_is_locked(&global_mem->global_spinlock) != 1) + is_locked_errs++; + + if (global_mem->global_lock_owner != 0) { + current_errs++; + sync_failures++; + } + + /* Now set the global_lock_owner to be us, wait a while, and + * then we see if anyone else has snuck in and changed the + * global_lock_owner to be themselves + */ + global_mem->global_lock_owner = thread_num; + odp_sync_stores(); + thread_delay(per_thread_mem, lock_owner_delay); + if (global_mem->global_lock_owner != thread_num) { + current_errs++; + sync_failures++; + } + + /* Release shared lock, and make sure we no longer have it */ + global_mem->global_lock_owner = 0; + odp_sync_stores(); + odp_spinlock_unlock(&global_mem->global_spinlock); + if (global_mem->global_lock_owner == thread_num) { + current_errs++; + sync_failures++; + } + + if (current_errs == 0) + lock_owner_delay++; + + /* Wait a small amount of time and rerun the test */ + thread_delay(per_thread_mem, BASE_DELAY); + + /* Try to resync all of the threads to increase contention */ + if ((rs_idx < NUM_RESYNC_BARRIERS) && + ((cnt % resync_cnt) == (resync_cnt - 1))) + odp_barrier_wait(&global_mem->barrier_array[rs_idx++]); + } + + if ((global_mem->g_verbose) && + ((sync_failures != 0) || (is_locked_errs != 0))) + printf("\nThread %" PRIu32 " (id=%d core=%d) had %" PRIu32 + " sync_failures and %" PRIu32 + " is_locked_errs in %" PRIu32 + " iterations\n", thread_num, + per_thread_mem->thread_id, per_thread_mem->thread_core, + sync_failures, is_locked_errs, iterations); + + CU_ASSERT(sync_failures == 0); + CU_ASSERT(is_locked_errs == 0); + + thread_finalize(per_thread_mem); + + return NULL; +} + +static void *ticketlock_functional_test(void *arg UNUSED) +{ + global_shared_mem_t *global_mem; + per_thread_mem_t *per_thread_mem; + uint32_t thread_num, resync_cnt, rs_idx, iterations, cnt; + uint32_t sync_failures, is_locked_errs, current_errs; + uint32_t lock_owner_delay; + + thread_num = odp_cpu_id() + 1; + per_thread_mem = thread_init(); + global_mem = per_thread_mem->global_mem; + iterations = global_mem->g_iterations; + + /* Wait here until all of the threads have also reached this point */ + odp_barrier_wait(&global_mem->global_barrier); + + sync_failures = 0; + is_locked_errs = 0; + current_errs = 0; + rs_idx = 0; + resync_cnt = iterations / NUM_RESYNC_BARRIERS; + lock_owner_delay = BASE_DELAY; + + for (cnt = 1; cnt <= iterations; cnt++) { + /* Acquire the shared global lock */ + odp_ticketlock_lock(&global_mem->global_ticketlock); + + /* Make sure we have the lock AND didn't previously own it */ + if (odp_ticketlock_is_locked(&global_mem->global_ticketlock) + != 1) + is_locked_errs++; + + if (global_mem->global_lock_owner != 0) { + current_errs++; + sync_failures++; + } + + /* Now set the global_lock_owner to be us, wait a while, and + * then we see if anyone else has snuck in and changed the + * global_lock_owner to be themselves + */ + global_mem->global_lock_owner = thread_num; + odp_sync_stores(); + thread_delay(per_thread_mem, lock_owner_delay); + if (global_mem->global_lock_owner != thread_num) { + current_errs++; + sync_failures++; + } + + /* Release shared lock, and make sure we no longer have it */ + global_mem->global_lock_owner = 0; + odp_sync_stores(); + odp_ticketlock_unlock(&global_mem->global_ticketlock); + if (global_mem->global_lock_owner == thread_num) { + current_errs++; + sync_failures++; + } + + if (current_errs == 0) + lock_owner_delay++; + + /* Wait a small amount of time and then rerun the test */ + thread_delay(per_thread_mem, BASE_DELAY); + + /* Try to resync all of the threads to increase contention */ + if ((rs_idx < NUM_RESYNC_BARRIERS) && + ((cnt % resync_cnt) == (resync_cnt - 1))) + odp_barrier_wait(&global_mem->barrier_array[rs_idx++]); + } + + if ((global_mem->g_verbose) && + ((sync_failures != 0) || (is_locked_errs != 0))) + printf("\nThread %" PRIu32 " (id=%d core=%d) had %" PRIu32 + " sync_failures and %" PRIu32 + " is_locked_errs in %" PRIu32 " iterations\n", + thread_num, + per_thread_mem->thread_id, per_thread_mem->thread_core, + sync_failures, is_locked_errs, iterations); + + CU_ASSERT(sync_failures == 0); + CU_ASSERT(is_locked_errs == 0); + + thread_finalize(per_thread_mem); + + return NULL; +} + +static void *rwlock_functional_test(void *arg UNUSED) +{ + global_shared_mem_t *global_mem; + per_thread_mem_t *per_thread_mem; + uint32_t thread_num, resync_cnt, rs_idx, iterations, cnt; + uint32_t sync_failures, current_errs, lock_owner_delay; + + thread_num = odp_cpu_id() + 1; + per_thread_mem = thread_init(); + global_mem = per_thread_mem->global_mem; + iterations = global_mem->g_iterations; + + /* Wait here until all of the threads have also reached this point */ + odp_barrier_wait(&global_mem->global_barrier); + + sync_failures = 0; + current_errs = 0; + rs_idx = 0; + resync_cnt = iterations / NUM_RESYNC_BARRIERS; + lock_owner_delay = BASE_DELAY; + + for (cnt = 1; cnt <= iterations; cnt++) { + /* Acquire the shared global lock */ + odp_rwlock_write_lock(&global_mem->global_rwlock); + + /* Make sure we have lock now AND didn't previously own it */ + if (global_mem->global_lock_owner != 0) { + current_errs++; + sync_failures++; + } + + /* Now set the global_lock_owner to be us, wait a while, and + * then we see if anyone else has snuck in and changed the + * global_lock_owner to be themselves + */ + global_mem->global_lock_owner = thread_num; + odp_sync_stores(); + thread_delay(per_thread_mem, lock_owner_delay); + if (global_mem->global_lock_owner != thread_num) { + current_errs++; + sync_failures++; + } + + /* Release shared lock, and make sure we no longer have it */ + global_mem->global_lock_owner = 0; + odp_sync_stores(); + odp_rwlock_write_unlock(&global_mem->global_rwlock); + if (global_mem->global_lock_owner == thread_num) { + current_errs++; + sync_failures++; + } + + if (current_errs == 0) + lock_owner_delay++; + + /* Wait a small amount of time and then rerun the test */ + thread_delay(per_thread_mem, BASE_DELAY); + + /* Try to resync all of the threads to increase contention */ + if ((rs_idx < NUM_RESYNC_BARRIERS) && + ((cnt % resync_cnt) == (resync_cnt - 1))) + odp_barrier_wait(&global_mem->barrier_array[rs_idx++]); + } + + if ((global_mem->g_verbose) && (sync_failures != 0)) + printf("\nThread %" PRIu32 " (id=%d core=%d) had %" PRIu32 + " sync_failures in %" PRIu32 " iterations\n", thread_num, + per_thread_mem->thread_id, + per_thread_mem->thread_core, + sync_failures, iterations); + + CU_ASSERT(sync_failures == 0); + + thread_finalize(per_thread_mem); + + return NULL; +} + +static void barrier_test_init(void) +{ + uint32_t num_threads, idx; + + num_threads = global_mem->g_num_threads; + + for (idx = 0; idx < NUM_TEST_BARRIERS; idx++) { + odp_barrier_init(&global_mem->test_barriers[idx], num_threads); + custom_barrier_init(&global_mem->custom_barrier1[idx], + num_threads); + custom_barrier_init(&global_mem->custom_barrier2[idx], + num_threads); + } + + global_mem->slow_thread_num = 1; + global_mem->barrier_cnt1 = 1; + global_mem->barrier_cnt2 = 1; +} + +static void test_atomic_inc_32(void) +{ + int i; + + for (i = 0; i < CNT; i++) + odp_atomic_inc_u32(&a32u); +} + +static void test_atomic_inc_64(void) +{ + int i; + + for (i = 0; i < CNT; i++) + odp_atomic_inc_u64(&a64u); +} + +static void test_atomic_dec_32(void) +{ + int i; + + for (i = 0; i < CNT; i++) + odp_atomic_dec_u32(&a32u); +} + +static void test_atomic_dec_64(void) +{ + int i; + + for (i = 0; i < CNT; i++) + odp_atomic_dec_u64(&a64u); +} + +static void test_atomic_fetch_inc_32(void) +{ + int i; + + for (i = 0; i < CNT; i++) + odp_atomic_fetch_inc_u32(&a32u); +} + +static void test_atomic_fetch_inc_64(void) +{ + int i; + + for (i = 0; i < CNT; i++) + odp_atomic_fetch_inc_u64(&a64u); +} + +static void test_atomic_fetch_dec_32(void) +{ + int i; + + for (i = 0; i < CNT; i++) + odp_atomic_fetch_dec_u32(&a32u); +} + +static void test_atomic_fetch_dec_64(void) +{ + int i; + + for (i = 0; i < CNT; i++) + odp_atomic_fetch_dec_u64(&a64u); +} + +static void test_atomic_add_32(void) +{ + int i; + + for (i = 0; i < CNT; i++) + odp_atomic_add_u32(&a32u, ADD_SUB_CNT); +} + +static void test_atomic_add_64(void) +{ + int i; + + for (i = 0; i < CNT; i++) + odp_atomic_add_u64(&a64u, ADD_SUB_CNT); +} + +static void test_atomic_sub_32(void) +{ + int i; + + for (i = 0; i < CNT; i++) + odp_atomic_sub_u32(&a32u, ADD_SUB_CNT); +} + +static void test_atomic_sub_64(void) +{ + int i; + + for (i = 0; i < CNT; i++) + odp_atomic_sub_u64(&a64u, ADD_SUB_CNT); +} + +static void test_atomic_fetch_add_32(void) +{ + int i; + + for (i = 0; i < CNT; i++) + odp_atomic_fetch_add_u32(&a32u, ADD_SUB_CNT); +} + +static void test_atomic_fetch_add_64(void) +{ + int i; + + for (i = 0; i < CNT; i++) + odp_atomic_fetch_add_u64(&a64u, ADD_SUB_CNT); +} + +static void test_atomic_fetch_sub_32(void) +{ + int i; + + for (i = 0; i < CNT; i++) + odp_atomic_fetch_sub_u32(&a32u, ADD_SUB_CNT); +} + +static void test_atomic_fetch_sub_64(void) +{ + int i; + + for (i = 0; i < CNT; i++) + odp_atomic_fetch_sub_u64(&a64u, ADD_SUB_CNT); +} + +static void test_atomic_inc_dec_32(void) +{ + test_atomic_inc_32(); + test_atomic_dec_32(); +} + +static void test_atomic_inc_dec_64(void) +{ + test_atomic_inc_64(); + test_atomic_dec_64(); +} + +static void test_atomic_fetch_inc_dec_32(void) +{ + test_atomic_fetch_inc_32(); + test_atomic_fetch_dec_32(); +} + +static void test_atomic_fetch_inc_dec_64(void) +{ + test_atomic_fetch_inc_64(); + test_atomic_fetch_dec_64(); +} + +static void test_atomic_add_sub_32(void) +{ + test_atomic_add_32(); + test_atomic_sub_32(); +} + +static void test_atomic_add_sub_64(void) +{ + test_atomic_add_64(); + test_atomic_sub_64(); +} + +static void test_atomic_fetch_add_sub_32(void) +{ + test_atomic_fetch_add_32(); + test_atomic_fetch_sub_32(); +} + +static void test_atomic_fetch_add_sub_64(void) +{ + test_atomic_fetch_add_64(); + test_atomic_fetch_sub_64(); +} + +static void test_atomic_init(void) +{ + odp_atomic_init_u32(&a32u, 0); + odp_atomic_init_u64(&a64u, 0); +} + +static void test_atomic_store(void) +{ + odp_atomic_store_u32(&a32u, U32_INIT_VAL); + odp_atomic_store_u64(&a64u, U64_INIT_VAL); +} + +static void test_atomic_validate(void) +{ + CU_ASSERT(U32_INIT_VAL == odp_atomic_load_u32(&a32u)); + CU_ASSERT(U64_INIT_VAL == odp_atomic_load_u64(&a64u)); +} + +/* Barrier tests */ +static void synchronizers_test_no_barrier_functional(void) +{ + pthrd_arg arg; + + arg.numthrds = global_mem->g_num_threads; + barrier_test_init(); + odp_cunit_thread_create(no_barrier_functional_test, &arg); + odp_cunit_thread_exit(&arg); +} + +static void synchronizers_test_barrier_functional(void) +{ + pthrd_arg arg; + + arg.numthrds = global_mem->g_num_threads; + barrier_test_init(); + odp_cunit_thread_create(barrier_functional_test, &arg); + odp_cunit_thread_exit(&arg); +} + +static CU_TestInfo synchronizers_suite_barrier[] = { + {"no_barrier_functional", synchronizers_test_no_barrier_functional}, + {"barrier_functional", synchronizers_test_barrier_functional}, + CU_TEST_INFO_NULL +}; + +/* Thread-unsafe tests */ +static void synchronizers_test_no_lock_functional(void) +{ + pthrd_arg arg; + + arg.numthrds = global_mem->g_num_threads; + odp_cunit_thread_create(no_lock_functional_test, &arg); + odp_cunit_thread_exit(&arg); +} + +static CU_TestInfo synchronizers_suite_no_locking[] = { + {"no_lock_functional", synchronizers_test_no_lock_functional}, + CU_TEST_INFO_NULL +}; + +/* Spin lock tests */ +static void synchronizers_test_spinlock_api(void) +{ + pthrd_arg arg; + + arg.numthrds = global_mem->g_num_threads; + odp_cunit_thread_create(spinlock_api_tests, &arg); + odp_cunit_thread_exit(&arg); +} + +static void synchronizers_test_spinlock_functional(void) +{ + pthrd_arg arg; + + arg.numthrds = global_mem->g_num_threads; + odp_spinlock_init(&global_mem->global_spinlock); + odp_cunit_thread_create(spinlock_functional_test, &arg); + odp_cunit_thread_exit(&arg); +} + +static CU_TestInfo synchronizers_suite_spinlock[] = { + {"spinlock_api", synchronizers_test_spinlock_api}, + {"spinlock_functional", synchronizers_test_spinlock_functional}, + CU_TEST_INFO_NULL +}; + +/* Ticket lock tests */ +static void synchronizers_test_ticketlock_api(void) +{ + pthrd_arg arg; + + arg.numthrds = global_mem->g_num_threads; + odp_cunit_thread_create(ticketlock_api_tests, &arg); + odp_cunit_thread_exit(&arg); +} + +static void synchronizers_test_ticketlock_functional(void) +{ + pthrd_arg arg; + + arg.numthrds = global_mem->g_num_threads; + odp_ticketlock_init(&global_mem->global_ticketlock); + + odp_cunit_thread_create(ticketlock_functional_test, &arg); + odp_cunit_thread_exit(&arg); +} + +static CU_TestInfo synchronizers_suite_ticketlock[] = { + {"ticketlock_api", synchronizers_test_ticketlock_api}, + {"ticketlock_functional", synchronizers_test_ticketlock_functional}, + CU_TEST_INFO_NULL +}; + +/* RW lock tests */ +static void synchronizers_test_rwlock_api(void) +{ + pthrd_arg arg; + + arg.numthrds = global_mem->g_num_threads; + odp_cunit_thread_create(rwlock_api_tests, &arg); + odp_cunit_thread_exit(&arg); +} + +static void synchronizers_test_rwlock_functional(void) +{ + pthrd_arg arg; + + arg.numthrds = global_mem->g_num_threads; + odp_rwlock_init(&global_mem->global_rwlock); + odp_cunit_thread_create(rwlock_functional_test, &arg); + odp_cunit_thread_exit(&arg); +} + +static CU_TestInfo synchronizers_suite_rwlock[] = { + {"rwlock_api", synchronizers_test_rwlock_api}, + {"rwlock_functional", synchronizers_test_rwlock_functional}, + CU_TEST_INFO_NULL +}; + +static int synchronizers_suite_init(void) +{ + uint32_t num_threads, idx; + + num_threads = global_mem->g_num_threads; + odp_barrier_init(&global_mem->global_barrier, num_threads); + for (idx = 0; idx < NUM_RESYNC_BARRIERS; idx++) + odp_barrier_init(&global_mem->barrier_array[idx], num_threads); + + return 0; +} + +int tests_global_init(void) +{ + uint32_t core_count, max_threads; + int ret = 0; + + if (0 != odp_init_global(NULL, NULL)) { + fprintf(stderr, "error: odp_init_global() failed.\n"); + return -1; + } + if (0 != odp_init_local(ODP_THREAD_CONTROL)) { + fprintf(stderr, "error: odp_init_local() failed.\n"); + return -1; + } + + global_shm = odp_shm_reserve(GLOBAL_SHM_NAME, + sizeof(global_shared_mem_t), 64, + ODP_SHM_SW_ONLY); + if (ODP_SHM_INVALID == global_shm) { + fprintf(stderr, "Unable reserve memory for global_shm\n"); + return -1; + } + + global_mem = odp_shm_addr(global_shm); + memset(global_mem, 0, sizeof(global_shared_mem_t)); + + global_mem->g_num_threads = MAX_WORKERS; + global_mem->g_iterations = MAX_ITERATIONS; + global_mem->g_verbose = VERBOSE; + + core_count = odp_cpu_count(); + + max_threads = (core_count >= MAX_WORKERS) ? MAX_WORKERS : core_count; + + if (max_threads < global_mem->g_num_threads) { + printf("Requested num of threads is too large\n"); + printf("reducing from %" PRIu32 " to %" PRIu32 "\n", + global_mem->g_num_threads, + max_threads); + global_mem->g_num_threads = max_threads; + } + + printf("Num of threads used = %" PRIu32 "\n", + global_mem->g_num_threads); + + return ret; +} + +/* Atomic tests */ +static void *test_atomic_inc_dec_thread(void *arg UNUSED) +{ + per_thread_mem_t *per_thread_mem; + + per_thread_mem = thread_init(); + test_atomic_inc_dec_32(); + test_atomic_inc_dec_64(); + + thread_finalize(per_thread_mem); + + return NULL; +} + +static void *test_atomic_add_sub_thread(void *arg UNUSED) +{ + per_thread_mem_t *per_thread_mem; + + per_thread_mem = thread_init(); + test_atomic_add_sub_32(); + test_atomic_add_sub_64(); + + thread_finalize(per_thread_mem); + + return NULL; +} + +static void *test_atomic_fetch_inc_dec_thread(void *arg UNUSED) +{ + per_thread_mem_t *per_thread_mem; + + per_thread_mem = thread_init(); + test_atomic_fetch_inc_dec_32(); + test_atomic_fetch_inc_dec_64(); + + thread_finalize(per_thread_mem); + + return NULL; +} + +static void *test_atomic_fetch_add_sub_thread(void *arg UNUSED) +{ + per_thread_mem_t *per_thread_mem; + + per_thread_mem = thread_init(); + test_atomic_fetch_add_sub_32(); + test_atomic_fetch_add_sub_64(); + + thread_finalize(per_thread_mem); + + return NULL; +} + +static void test_atomic_functional(void *func_ptr(void *)) +{ + pthrd_arg arg; + + arg.numthrds = global_mem->g_num_threads; + test_atomic_init(); + test_atomic_store(); + odp_cunit_thread_create(func_ptr, &arg); + odp_cunit_thread_exit(&arg); + test_atomic_validate(); +} + +static void synchronizers_test_atomic_inc_dec(void) +{ + test_atomic_functional(test_atomic_inc_dec_thread); +} + +static void synchronizers_test_atomic_add_sub(void) +{ + test_atomic_functional(test_atomic_add_sub_thread); +} + +static void synchronizers_test_atomic_fetch_inc_dec(void) +{ + test_atomic_functional(test_atomic_fetch_inc_dec_thread); +} + +static void synchronizers_test_atomic_fetch_add_sub(void) +{ + test_atomic_functional(test_atomic_fetch_add_sub_thread); +} + +static CU_TestInfo synchronizers_suite_atomic[] = { + {"atomic_inc_dec", synchronizers_test_atomic_inc_dec}, + {"atomic_add_sub", synchronizers_test_atomic_add_sub}, + {"atomic_fetch_inc_dec", synchronizers_test_atomic_fetch_inc_dec}, + {"atomic_fetch_add_sub", synchronizers_test_atomic_fetch_add_sub}, + CU_TEST_INFO_NULL, +}; + +static CU_SuiteInfo synchronizers_suites[] = { + {"barrier", NULL, + NULL, NULL, NULL, synchronizers_suite_barrier}, + {"nolocking", synchronizers_suite_init, + NULL, NULL, NULL, synchronizers_suite_no_locking}, + {"spinlock", synchronizers_suite_init, + NULL, NULL, NULL, synchronizers_suite_spinlock}, + {"ticketlock", synchronizers_suite_init, + NULL, NULL, NULL, synchronizers_suite_ticketlock}, + {"rwlock", synchronizers_suite_init, + NULL, NULL, NULL, synchronizers_suite_rwlock}, + {"atomic", NULL, NULL, NULL, NULL, + synchronizers_suite_atomic}, + CU_SUITE_INFO_NULL +}; + +int synchronizers_main(void) +{ + return odp_cunit_run(synchronizers_suites); +} |