mirror of
https://github.com/azure-rtos/threadx
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252 lines
8.8 KiB
C
252 lines
8.8 KiB
C
/**************************************************************************/
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/* */
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/* Copyright (c) Microsoft Corporation. All rights reserved. */
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/* */
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/* This software is licensed under the Microsoft Software License */
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/* Terms for Microsoft Azure RTOS. Full text of the license can be */
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/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
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/* and in the root directory of this software. */
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/* */
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/**************************************************************************/
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/**************************************************************************/
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/**************************************************************************/
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/** */
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/** Thread-Metric Component */
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/** */
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/** Cooperative Scheduling Test */
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/** */
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/**************************************************************************/
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/**************************************************************************/
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/**************************************************************************/
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/* */
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/* FUNCTION RELEASE */
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/* */
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/* tm_cooperative_scheduling_test PORTABLE C */
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/* 6.1.7 */
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/* AUTHOR */
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/* */
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/* William E. Lamie, Microsoft Corporation */
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/* */
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/* DESCRIPTION */
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/* */
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/* This file defines the cooperative scheduling test. */
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/* */
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/* RELEASE HISTORY */
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/* */
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/* DATE NAME DESCRIPTION */
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/* */
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/* 10-15-2021 William E. Lamie Initial Version 6.1.7 */
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/* */
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/**************************************************************************/
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#include "tm_api.h"
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/* Define the counters used in the demo application... */
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unsigned long tm_cooperative_thread_0_counter;
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unsigned long tm_cooperative_thread_1_counter;
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unsigned long tm_cooperative_thread_2_counter;
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unsigned long tm_cooperative_thread_3_counter;
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unsigned long tm_cooperative_thread_4_counter;
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/* Define the test thread prototypes. */
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void tm_cooperative_thread_0_entry(void);
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void tm_cooperative_thread_1_entry(void);
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void tm_cooperative_thread_2_entry(void);
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void tm_cooperative_thread_3_entry(void);
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void tm_cooperative_thread_4_entry(void);
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/* Define the reporting thread prototype. */
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void tm_cooperative_thread_report(void);
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/* Define the initialization prototype. */
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void tm_cooperative_scheduling_initialize(void);
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/* Define main entry point. */
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void tm_main()
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{
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/* Initialize the test. */
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tm_initialize(tm_cooperative_scheduling_initialize);
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}
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/* Define the cooperative scheduling test initialization. */
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void tm_cooperative_scheduling_initialize(void)
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{
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/* Create all 5 threads at priority 3. */
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tm_thread_create(0, 3, tm_cooperative_thread_0_entry);
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tm_thread_create(1, 3, tm_cooperative_thread_1_entry);
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tm_thread_create(2, 3, tm_cooperative_thread_2_entry);
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tm_thread_create(3, 3, tm_cooperative_thread_3_entry);
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tm_thread_create(4, 3, tm_cooperative_thread_4_entry);
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/* Resume all 5 threads. */
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tm_thread_resume(0);
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tm_thread_resume(1);
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tm_thread_resume(2);
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tm_thread_resume(3);
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tm_thread_resume(4);
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/* Create the reporting thread. It will preempt the other
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threads and print out the test results. */
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tm_thread_create(5, 2, tm_cooperative_thread_report);
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tm_thread_resume(5);
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}
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/* Define the first cooperative thread. */
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void tm_cooperative_thread_0_entry(void)
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{
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while(1)
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{
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/* Relinquish to all other threads at same priority. */
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tm_thread_relinquish();
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/* Increment this thread's counter. */
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tm_cooperative_thread_0_counter++;
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}
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}
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/* Define the second cooperative thread. */
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void tm_cooperative_thread_1_entry(void)
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{
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while(1)
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{
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/* Relinquish to all other threads at same priority. */
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tm_thread_relinquish();
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/* Increment this thread's counter. */
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tm_cooperative_thread_1_counter++;
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}
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}
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/* Define the third cooperative thread. */
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void tm_cooperative_thread_2_entry(void)
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{
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while(1)
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{
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/* Relinquish to all other threads at same priority. */
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tm_thread_relinquish();
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/* Increment this thread's counter. */
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tm_cooperative_thread_2_counter++;
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}
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}
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/* Define the fourth cooperative thread. */
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void tm_cooperative_thread_3_entry(void)
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{
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while(1)
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{
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/* Relinquish to all other threads at same priority. */
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tm_thread_relinquish();
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/* Increment this thread's counter. */
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tm_cooperative_thread_3_counter++;
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}
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}
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/* Define the fifth cooperative thread. */
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void tm_cooperative_thread_4_entry(void)
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{
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while(1)
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{
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/* Relinquish to all other threads at same priority. */
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tm_thread_relinquish();
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/* Increment this thread's counter. */
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tm_cooperative_thread_4_counter++;
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}
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}
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/* Define the cooperative test reporting thread. */
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void tm_cooperative_thread_report(void)
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{
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unsigned long total;
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unsigned long relative_time;
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unsigned long last_total;
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unsigned long average;
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/* Initialize the last total. */
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last_total = 0;
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/* Initialize the relative time. */
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relative_time = 0;
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while(1)
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{
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/* Sleep to allow the test to run. */
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tm_thread_sleep(TM_TEST_DURATION);
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/* Increment the relative time. */
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relative_time = relative_time + TM_TEST_DURATION;
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/* Print results to the stdio window. */
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printf("**** Thread-Metric Cooperative Scheduling Test **** Relative Time: %lu\n", relative_time);
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/* Calculate the total of all the counters. */
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total = tm_cooperative_thread_0_counter + tm_cooperative_thread_1_counter + tm_cooperative_thread_2_counter
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+ tm_cooperative_thread_3_counter + tm_cooperative_thread_4_counter;
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/* Calculate the average of all the counters. */
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average = total/5;
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/* WCC - integrity check */
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printf("tm_cooperative_thread_0_counter: %d\n", tm_cooperative_thread_0_counter);
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printf("tm_cooperative_thread_1_counter: %d\n", tm_cooperative_thread_1_counter);
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printf("tm_cooperative_thread_2_counter: %d\n", tm_cooperative_thread_2_counter);
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printf("tm_cooperative_thread_3_counter: %d\n", tm_cooperative_thread_3_counter);
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printf("tm_cooperative_thread_4_counter: %d\n", tm_cooperative_thread_4_counter);
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/* See if there are any errors. */
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if ((tm_cooperative_thread_0_counter < (average - 1)) ||
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(tm_cooperative_thread_0_counter > (average + 1)) ||
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(tm_cooperative_thread_1_counter < (average - 1)) ||
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(tm_cooperative_thread_1_counter > (average + 1)) ||
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(tm_cooperative_thread_2_counter < (average - 1)) ||
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(tm_cooperative_thread_2_counter > (average + 1)) ||
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(tm_cooperative_thread_3_counter < (average - 1)) ||
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(tm_cooperative_thread_3_counter > (average + 1)) ||
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(tm_cooperative_thread_4_counter < (average - 1)) ||
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(tm_cooperative_thread_4_counter > (average + 1)))
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{
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printf("ERROR: Invalid counter value(s). Cooperative counters should not be more that 1 different than the average!\n");
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}
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/* Show the time period total. */
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printf("Time Period Total: %lu\n\n", total - last_total);
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/* Save the last total. */
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last_total = total;
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}
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}
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