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/***************************************************************************/
/* Copyright (c) 2024 Microsoft Corporation */
/* Copyright (c) 2026 Eclipse ThreadX contributors */
/* */
/* This program and the accompanying materials are made available under */
/* the terms of the MIT License which is available at */
/* https://opensource.org/licenses/MIT. */
/* */
/* SPDX-License-Identifier: MIT */
/***************************************************************************/
/* Define the ThreadX SMP rebalance exclusion test. */
#include <stdio.h>
#include "tx_api.h"
static TX_THREAD thread_0;
static TX_THREAD thread_1;
static TX_THREAD thread_2;
static TX_THREAD thread_31k;
static ULONG thread_0_counter;
static ULONG thread_1_counter;
static ULONG thread_2_counter;
static ULONG thread_31k_counter;
static unsigned long error = 0;
/* Define thread prototypes. */
static void thread_0_entry(ULONG thread_input);
static void thread_1_entry(ULONG thread_input);
static void thread_2_entry(ULONG thread_input);
static void thread_31k_entry(ULONG thread_input);
/* Prototype for test control return. */
void test_control_return(UINT status);
/* Define what the initial system looks like. */
#ifdef CTEST
void test_application_define(void *first_unused_memory)
#else
void threadx_smp_rebalance_exclustion_test(void *first_unused_memory)
#endif
{
UINT status;
CHAR *pointer;
/* Put first available memory address into a character pointer. */
pointer = (CHAR *) first_unused_memory;
/* Put system definition stuff in here, e.g. thread creates and other assorted
create information. */
status = tx_thread_create(&thread_0, "thread 0", thread_0_entry, 0,
pointer, TEST_STACK_SIZE_PRINTF,
0, 0, TX_NO_TIME_SLICE, TX_DONT_START);
pointer = pointer + TEST_STACK_SIZE_PRINTF;
status += tx_thread_smp_core_exclude(&thread_0, 0x0); /* No exclusions! */
/* Check status. */
if (status != TX_SUCCESS)
{
printf("Running SMP Rebalance Exclusion Test................................ ERROR #1\n");
test_control_return(1);
}
status = tx_thread_create(&thread_1, "thread 1", thread_1_entry, 0,
pointer, TEST_STACK_SIZE_PRINTF,
1, 1, TX_NO_TIME_SLICE, TX_DONT_START);
pointer = pointer + TEST_STACK_SIZE_PRINTF;
status += tx_thread_smp_core_exclude(&thread_1, 0x0); /* No exclusions! */
/* Check status. */
if (status != TX_SUCCESS)
{
printf("Running SMP Rebalance Exclusion Test................................ ERROR #2\n");
test_control_return(1);
}
status = tx_thread_create(&thread_2, "thread 2", thread_2_entry, 0,
pointer, TEST_STACK_SIZE_PRINTF,
2, 2, TX_NO_TIME_SLICE, TX_DONT_START);
pointer = pointer + TEST_STACK_SIZE_PRINTF;
status += tx_thread_smp_core_exclude(&thread_2, 0x0); /* No exclusions! */
/* Check status. */
if (status != TX_SUCCESS)
{
printf("Running SMP Rebalance Exclusion Test................................ ERROR #3\n");
test_control_return(1);
}
status = tx_thread_create(&thread_31k, "thread 31k", thread_31k_entry, 0,
pointer, TEST_STACK_SIZE_PRINTF,
31, 15, 16, TX_DONT_START);
pointer = pointer + TEST_STACK_SIZE_PRINTF;
status += tx_thread_smp_core_exclude(&thread_31k, 0xE); /* Core 0 only! */
/* Check status. */
if (status != TX_SUCCESS)
{
printf("Running SMP Rebalance Exclusion Test................................ ERROR #4\n");
test_control_return(1);
}
/* Resume thread 0. */
status = tx_thread_resume(&thread_0);
/* Check status. */
if (status != TX_SUCCESS)
{
printf("Running SMP Rebalance Exclusion Test................................ ERROR #5\n");
test_control_return(1);
}
}
/* Define the test threads. */
static void thread_0_entry(ULONG thread_input)
{
UINT status;
/* Inform user. */
printf("Running SMP Rebalance Exclusion Test................................ ");
/* Resume all the threads. */
status = tx_thread_resume(&thread_1);
status += tx_thread_resume(&thread_2);
status += tx_thread_resume(&thread_31k);
/* Suspend this thread to let the others run. */
tx_thread_sleep(5);
/* Determine if the test was successful or there was an error. */
if ((status != TX_SUCCESS) || (error) || (thread_1_counter != 1) ||
(thread_2_counter != 1) || (thread_31k_counter != 1))
{
/* Execution error. */
printf("ERROR #6\n");
test_control_return(1);
}
else
{
/* Successful test. */
printf("SUCCESS!\n");
test_control_return(0);
}
}
static void thread_1_entry(ULONG thread_input)
{
while(1)
{
thread_1_counter++;
tx_thread_suspend(&thread_1);
}
}
static void thread_2_entry(ULONG thread_input)
{
while(1)
{
thread_2_counter++;
tx_thread_suspend(&thread_2);
}
}
static void thread_31k_entry(ULONG thread_input)
{
while(1)
{
/* Ensure this thread is on the correct core. */
if (tx_thread_smp_core_get() != 0)
error++;
thread_31k_counter++;
tx_thread_suspend(&thread_31k);
}
}
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