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rework release

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This commit is contained in:
Alwin Berger 2025-02-24 19:34:57 +01:00
parent 80e56ab78f
commit b9f51f80fc
2 changed files with 37 additions and 16 deletions
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3
FreeRTOS/Demo/CORTEX_M3_MPS2_QEMU_GCC/fuzzhelper.c
View File

@ -46,6 +46,9 @@ static uint8_t fuzz_char_next(int tasknum) {
#ifdef IGNORE_BYTES
return LAST_INPUTS[NUM_TASKS]=255;
#endif
#ifdef INSERT_WC
return LAST_INPUTS[NUM_TASKS]=255;
#endif
#ifdef PARTITION_INPUT
if (INPUT_CURSORS[tasknum] == 0) {
// Initial setup

50
FreeRTOS/Demo/CORTEX_M3_MPS2_QEMU_GCC/main_release.c
View File

@ -37,10 +37,10 @@
#ifdef INSERT_WC
#define DEBUG_VAL(X,D) (D)
#define WCET_CLAMP(X, LB, UB, LABEL) WASTE_NSEC(UB)
#define WCET_CLAMP(X, LB, UB, LABEL) WASTE_USEC(UB)
#else
#define DEBUG_VAL(X,D) (X)
#define WCET_CLAMP(X, LB, UB, LABEL) WASTE_NSEC(CLAMP(X,LB,UB))
#define WCET_CLAMP(X, LB, UB, LABEL) WASTE_USEC(CLAMP(X,LB,UB))
#endif
static void prvTask1( void * pvParameters );
@ -72,8 +72,8 @@ static TickType_t initial_release_time = 0;
static SemaphoreHandle_t xMutex;
#define HYPER_PERIOD 25
#define SIMULATE_PERIODS 2
#define HYPER_PERIOD 40 // nothing interesting happens after 40ms
#define SIMULATE_PERIODS 1
static TaskHandle_t xTaskTimeSupervisor = NULL;
static void timing_supervisor_task( void * pvParameters ) {
initial_release_time = xTaskGetTickCount(); // The highest priority task sets the initial time
@ -155,13 +155,13 @@ void main_release( void )
static void prvTask1( void * pvParameters ) {
const int task_id = 0;
TickType_t xLastWakeTime = initial_release_time;
const TickType_t xFrequency = 100 / portTICK_PERIOD_MS;
const TickType_t xFrequency = 120 / portTICK_PERIOD_MS;
for( ;; ){
RNG_RESET
// Actions --------------------------------------
volatile uint16_t x = INPUT_SHORT_NEXT;
WCET_CLAMP(x, 8000, 10000, TASK_1_MESSAGE)
xTaskNotify(xTask2, DEBUG_VAL(x % 2, 1), eSetValueWithOverwrite);
WCET_CLAMP(x, 5000, 7200, TASK_1_MESSAGE)
xTaskNotify(xTask2, DEBUG_VAL(x % 2 + 1, 1), eSetValueWithOverwrite);
// ---------------------------------------------
trigger_job_done();
// trigger_Qemu_break();
@ -171,17 +171,18 @@ static void prvTask1( void * pvParameters ) {
static void prvTask2( void * pvParameters ) {
const int task_id = 1;
TickType_t xLastWakeTime = initial_release_time;
const TickType_t xFrequency = 50 / portTICK_PERIOD_MS;
const TickType_t xFrequency = 60 / portTICK_PERIOD_MS;
for( ;; ){
RNG_RESET
// Actions --------------------------------------
uint16_t x = INPUT_SHORT_NEXT;
DO_TIME(1000, TASK_2_MESSAGE)
xSemaphoreTake(xMutex, portMAX_DELAY);
volatile int torun = 2000;
volatile int torun = 1000;
if (DEBUG_VAL(CHANCE_1_IN_POWOF2(x, 5), 1)) {
torun += 2000;
torun += 1000;
}
DO_TIME(torun, TASK_2_MESSAGE)
int y = ulTaskNotifyTake(pdTRUE, portMAX_DELAY);
xSemaphoreGive(xMutex);
// ---------------------------------------------
@ -192,7 +193,7 @@ static void prvTask2( void * pvParameters ) {
static void prvTask3( void * pvParameters ) {
const int task_id = 2;
TickType_t xLastWakeTime = initial_release_time;
const TickType_t xFrequency = 10 / portTICK_PERIOD_MS;
const TickType_t xFrequency = 30 / portTICK_PERIOD_MS; // 312500 isns minia
trigger_job_done(); // The first job instance just waits for an activation
for( ;; ){
#ifdef IGNORE_INTERRUPTS
@ -203,16 +204,18 @@ static void prvTask3( void * pvParameters ) {
#endif
RNG_RESET
// Actions --------------------------------------
xSemaphoreTake(xMutex, portMAX_DELAY);
DO_TIME(100, TASK_3_MESSAGE)
xSemaphoreTake(xMutex, portMAX_DELAY); // wost time: right after T2 locks the mutex
volatile uint16_t x = INPUT_SHORT_NEXT;
int torun = 0;
if (y) {
torun = CLAMP(x, 5000, 8000);
torun = CLAMP(x, 1000, 4000);
} else {
torun = CLAMP(x, 0, 12000);
torun = CLAMP(x, 0, 5000);
}
DO_TIME(torun, TASK_3_MESSAGE)
xSemaphoreGive(xMutex);
DO_TIME(100, TASK_3_MESSAGE)
// ---------------------------------------------
trigger_job_done();
}
@ -226,7 +229,7 @@ static void prvTask4( void * pvParameters ) {
RNG_RESET
// Actions --------------------------------------
volatile uint16_t x = INPUT_SHORT_NEXT;
WCET_CLAMP(x, 1000, 2000, TASK_4_MESSAGE)
WCET_CLAMP(x, 100, 500, TASK_4_MESSAGE)
// ---------------------------------------------
trigger_job_done();
xTaskDelayUntil( &xLastWakeTime, xFrequency );}
@ -235,7 +238,7 @@ static void prvTask4( void * pvParameters ) {
static void prvTask5( void * pvParameters ) {
const int task_id = 4;
TickType_t xLastWakeTime = 0;
const TickType_t xFrequency = 5 / portTICK_PERIOD_MS;
const TickType_t xFrequency = 5 / portTICK_PERIOD_MS; // 156250 isns minia, worst time whenever the mutex is unlocked
trigger_job_done(); // The first job instance just waits for an activation
for( ;; ){
#ifdef IGNORE_INTERRUPTS
@ -287,4 +290,19 @@ void ISR_1_Handler( void )
}
}
/*
Worst interrupt times
trigger T3 right after T2 aquired the mutex
trigger T5 right after T2 and T3 release the mutex
"isr_0_times":Right([
349695
]),
"isr_1_times":Right([
350632, 506882, 667601, 889476
])
*/
/*-----------------------------------------------------------*/