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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright (C) 2022 Microsoft Corporation
*/
#include <string.h>
#include <rte_thread.h>
#include <rte_debug.h>
#include <rte_stdatomic.h>
#include "test.h"
RTE_LOG_REGISTER(threads_logtype_test, test.threads, INFO);
static RTE_ATOMIC(uint32_t) thread_id_ready;
static uint32_t
thread_main(void *arg)
{
if (arg != NULL)
*(rte_thread_t *)arg = rte_thread_self();
rte_atomic_store_explicit(&thread_id_ready, 1, rte_memory_order_release);
while (rte_atomic_load_explicit(&thread_id_ready, rte_memory_order_acquire) == 1)
;
return 0;
}
static int
test_thread_create_join(void)
{
rte_thread_t thread_id;
rte_thread_t thread_main_id;
thread_id_ready = 0;
RTE_TEST_ASSERT(rte_thread_create(&thread_id, NULL, thread_main, &thread_main_id) == 0,
"Failed to create thread.");
while (rte_atomic_load_explicit(&thread_id_ready, rte_memory_order_acquire) == 0)
;
RTE_TEST_ASSERT(rte_thread_equal(thread_id, thread_main_id) != 0,
"Unexpected thread id.");
rte_atomic_store_explicit(&thread_id_ready, 2, rte_memory_order_release);
RTE_TEST_ASSERT(rte_thread_join(thread_id, NULL) == 0,
"Failed to join thread.");
return 0;
}
static int
test_thread_create_detach(void)
{
rte_thread_t thread_id;
rte_thread_t thread_main_id;
thread_id_ready = 0;
RTE_TEST_ASSERT(rte_thread_create(&thread_id, NULL, thread_main,
&thread_main_id) == 0, "Failed to create thread.");
while (rte_atomic_load_explicit(&thread_id_ready, rte_memory_order_acquire) == 0)
;
RTE_TEST_ASSERT(rte_thread_equal(thread_id, thread_main_id) != 0,
"Unexpected thread id.");
rte_atomic_store_explicit(&thread_id_ready, 2, rte_memory_order_release);
RTE_TEST_ASSERT(rte_thread_detach(thread_id) == 0,
"Failed to detach thread.");
return 0;
}
static int
test_thread_priority(void)
{
rte_thread_t thread_id;
enum rte_thread_priority priority;
thread_id_ready = 0;
RTE_TEST_ASSERT(rte_thread_create(&thread_id, NULL, thread_main, NULL) == 0,
"Failed to create thread");
while (rte_atomic_load_explicit(&thread_id_ready, rte_memory_order_acquire) == 0)
;
priority = RTE_THREAD_PRIORITY_NORMAL;
RTE_TEST_ASSERT(rte_thread_set_priority(thread_id, priority) == 0,
"Failed to set thread priority");
RTE_TEST_ASSERT(rte_thread_get_priority(thread_id, &priority) == 0,
"Failed to get thread priority");
RTE_TEST_ASSERT(priority == RTE_THREAD_PRIORITY_NORMAL,
"Priority set mismatches priority get");
priority = RTE_THREAD_PRIORITY_REALTIME_CRITICAL;
#ifndef RTE_EXEC_ENV_WINDOWS
RTE_TEST_ASSERT(rte_thread_set_priority(thread_id, priority) == ENOTSUP,
"Priority set to critical should fail");
RTE_TEST_ASSERT(rte_thread_get_priority(thread_id, &priority) == 0,
"Failed to get thread priority");
RTE_TEST_ASSERT(priority == RTE_THREAD_PRIORITY_NORMAL,
"Failed set to critical should have retained normal");
#else
RTE_TEST_ASSERT(rte_thread_set_priority(thread_id, priority) == 0,
"Priority set to critical should succeed");
RTE_TEST_ASSERT(rte_thread_get_priority(thread_id, &priority) == 0,
"Failed to get thread priority");
RTE_TEST_ASSERT(priority == RTE_THREAD_PRIORITY_REALTIME_CRITICAL,
"Priority set mismatches priority get");
#endif
priority = RTE_THREAD_PRIORITY_NORMAL;
RTE_TEST_ASSERT(rte_thread_set_priority(thread_id, priority) == 0,
"Failed to set thread priority");
RTE_TEST_ASSERT(rte_thread_get_priority(thread_id, &priority) == 0,
"Failed to get thread priority");
RTE_TEST_ASSERT(priority == RTE_THREAD_PRIORITY_NORMAL,
"Priority set mismatches priority get");
rte_atomic_store_explicit(&thread_id_ready, 2, rte_memory_order_release);
return 0;
}
static int
test_thread_affinity(void)
{
rte_thread_t thread_id;
rte_cpuset_t cpuset0;
rte_cpuset_t cpuset1;
thread_id_ready = 0;
RTE_TEST_ASSERT(rte_thread_create(&thread_id, NULL, thread_main, NULL) == 0,
"Failed to create thread");
while (rte_atomic_load_explicit(&thread_id_ready, rte_memory_order_acquire) == 0)
;
RTE_TEST_ASSERT(rte_thread_get_affinity_by_id(thread_id, &cpuset0) == 0,
"Failed to get thread affinity");
RTE_TEST_ASSERT(rte_thread_get_affinity_by_id(thread_id, &cpuset1) == 0,
"Failed to get thread affinity");
RTE_TEST_ASSERT(memcmp(&cpuset0, &cpuset1, sizeof(rte_cpuset_t)) == 0,
"Affinity should be stable");
size_t i;
for (i = 1; i < CPU_SETSIZE; i++)
if (CPU_ISSET(i, &cpuset0)) {
CPU_ZERO(&cpuset0);
CPU_SET(i, &cpuset0);
break;
}
RTE_TEST_ASSERT(rte_thread_set_affinity_by_id(thread_id, &cpuset0) == 0,
"Failed to set thread affinity");
RTE_TEST_ASSERT(rte_thread_get_affinity_by_id(thread_id, &cpuset1) == 0,
"Failed to get thread affinity");
RTE_TEST_ASSERT(memcmp(&cpuset0, &cpuset1, sizeof(rte_cpuset_t)) == 0,
"Affinity should be stable");
return 0;
}
static int
test_thread_attributes_affinity(void)
{
rte_thread_t thread_id;
rte_thread_attr_t attr;
rte_cpuset_t cpuset0;
rte_cpuset_t cpuset1;
RTE_TEST_ASSERT(rte_thread_attr_init(&attr) == 0,
"Failed to initialize thread attributes");
CPU_ZERO(&cpuset0);
RTE_TEST_ASSERT(rte_thread_get_affinity_by_id(rte_thread_self(), &cpuset0) == 0,
"Failed to get thread affinity");
RTE_TEST_ASSERT(rte_thread_attr_set_affinity(&attr, &cpuset0) == 0,
"Failed to set thread attributes affinity");
RTE_TEST_ASSERT(rte_thread_attr_get_affinity(&attr, &cpuset1) == 0,
"Failed to get thread attributes affinity");
RTE_TEST_ASSERT(memcmp(&cpuset0, &cpuset1, sizeof(rte_cpuset_t)) == 0,
"Affinity should be stable");
thread_id_ready = 0;
RTE_TEST_ASSERT(rte_thread_create(&thread_id, &attr, thread_main, NULL) == 0,
"Failed to create attributes affinity thread.");
while (rte_atomic_load_explicit(&thread_id_ready, rte_memory_order_acquire) == 0)
;
RTE_TEST_ASSERT(rte_thread_get_affinity_by_id(thread_id, &cpuset1) == 0,
"Failed to get attributes thread affinity");
RTE_TEST_ASSERT(memcmp(&cpuset0, &cpuset1, sizeof(rte_cpuset_t)) == 0,
"Failed to apply affinity attributes");
rte_atomic_store_explicit(&thread_id_ready, 2, rte_memory_order_release);
return 0;
}
static int
test_thread_attributes_priority(void)
{
rte_thread_t thread_id;
rte_thread_attr_t attr;
enum rte_thread_priority priority;
RTE_TEST_ASSERT(rte_thread_attr_init(&attr) == 0,
"Failed to initialize thread attributes");
RTE_TEST_ASSERT(rte_thread_attr_set_priority(&attr, RTE_THREAD_PRIORITY_NORMAL) == 0,
"Failed to set thread attributes priority");
thread_id_ready = 0;
RTE_TEST_ASSERT(rte_thread_create(&thread_id, &attr, thread_main, NULL) == 0,
"Failed to create attributes priority thread.");
while (rte_atomic_load_explicit(&thread_id_ready, rte_memory_order_acquire) == 0)
;
RTE_TEST_ASSERT(rte_thread_get_priority(thread_id, &priority) == 0,
"Failed to get thread priority");
RTE_TEST_ASSERT(priority == RTE_THREAD_PRIORITY_NORMAL,
"Failed to apply priority attributes");
rte_atomic_store_explicit(&thread_id_ready, 2, rte_memory_order_release);
return 0;
}
static int
test_thread_control_create_join(void)
{
rte_thread_t thread_id;
rte_thread_t thread_main_id;
thread_id_ready = 0;
RTE_TEST_ASSERT(rte_thread_create_control(&thread_id, "dpdk-test-thcc",
thread_main, &thread_main_id) == 0,
"Failed to create thread.");
while (rte_atomic_load_explicit(&thread_id_ready, rte_memory_order_acquire) == 0)
;
RTE_TEST_ASSERT(rte_thread_equal(thread_id, thread_main_id) != 0,
"Unexpected thread id.");
rte_atomic_store_explicit(&thread_id_ready, 2, rte_memory_order_release);
RTE_TEST_ASSERT(rte_thread_join(thread_id, NULL) == 0,
"Failed to join thread.");
return 0;
}
static struct unit_test_suite threads_test_suite = {
.suite_name = "threads autotest",
.setup = NULL,
.teardown = NULL,
.unit_test_cases = {
TEST_CASE(test_thread_create_join),
TEST_CASE(test_thread_create_detach),
TEST_CASE(test_thread_affinity),
TEST_CASE(test_thread_priority),
TEST_CASE(test_thread_attributes_affinity),
TEST_CASE(test_thread_attributes_priority),
TEST_CASE(test_thread_control_create_join),
TEST_CASES_END()
}
};
static int
test_threads(void)
{
return unit_test_suite_runner(&threads_test_suite);
}
REGISTER_FAST_TEST(threads_autotest, true, true, test_threads);
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