Release 6.1.9
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Yuxin Zhou
176
utility/benchmarks/thread_metric/tm_basic_processing_test.c
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176
utility/benchmarks/thread_metric/tm_basic_processing_test.c
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/**************************************************************************/
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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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/** Basic Processing 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_basic_processing_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 basic test for determining board processing */
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/* capabilities */
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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_basic_processing_counter;
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/* Test array. We will just do a series of calculations on the
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test array to eat up processing bandwidth. The idea is that
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all RTOSes should produce the same metric here if everything
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else is equal, e.g. processor speed, memory speed, etc. */
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volatile unsigned long tm_basic_processing_array[1024];
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/* Define the test thread prototypes. */
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void tm_basic_processing_thread_0_entry(void);
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/* Define the reporting thread prototype. */
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void tm_basic_processing_thread_report(void);
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/* Define the initialization prototype. */
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void tm_basic_processing_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_basic_processing_initialize);
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}
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/* Define the basic processing test initialization. */
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void tm_basic_processing_initialize(void)
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{
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/* Create thread 0 at priority 10. */
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tm_thread_create(0, 10, tm_basic_processing_thread_0_entry);
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/* Resume thread 0. */
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tm_thread_resume(0);
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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_basic_processing_thread_report);
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tm_thread_resume(5);
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}
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/* Define the basic processing thread. */
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void tm_basic_processing_thread_0_entry(void)
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{
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int i;
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/* Initialize the test array. */
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for (i = 0; i < 1024; i++)
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{
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/* Clear the basic processing array. */
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tm_basic_processing_array[i] = 0;
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}
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while(1)
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{
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/* Loop through the basic processing array, add the previous
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contents with the contents of the tm_basic_processing_counter
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and xor the result with the previous value... just to eat
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up some time. */
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for (i = 0; i < 1024; i++)
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{
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/* Update each array entry. */
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tm_basic_processing_array[i] = (tm_basic_processing_array[i] + tm_basic_processing_counter) ^ tm_basic_processing_array[i];
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}
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/* Increment the basic processing counter. */
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tm_basic_processing_counter++;
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}
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}
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/* Define the basic processing reporting thread. */
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void tm_basic_processing_thread_report(void)
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{
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unsigned long last_counter;
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unsigned long relative_time;
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/* Initialize the last counter. */
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last_counter = 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 Basic Single Thread Processing Test **** Relative Time: %lu\n", relative_time);
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/* See if there are any errors. */
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if (tm_basic_processing_counter == last_counter)
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{
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printf("ERROR: Invalid counter value(s). Basic processing thread died!\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", tm_basic_processing_counter - last_counter);
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/* Save the last counter. */
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last_counter = tm_basic_processing_counter;
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}
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}
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