ChibiOS/testrt/VT_STORM/source/vt_storm.c

401 lines
11 KiB
C

/*
ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file irq_storm.c
* @brief IRQ Storm stress test code.
*
* @addtogroup IRQ_STORM
* @{
*/
#include <stdlib.h>
#include "ch.h"
#include "hal.h"
#include "chprintf.h"
#include "vt_storm.h"
/*===========================================================================*/
/* Module local definitions. */
/*===========================================================================*/
/*===========================================================================*/
/* Module exported variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Module local types. */
/*===========================================================================*/
/*===========================================================================*/
/* Module local variables. */
/*===========================================================================*/
static const vt_storm_config_t *config;
static virtual_timer_t watchdog;
static virtual_timer_t wrapper;
static virtual_timer_t sweeper0, sweeperm1, sweeperp1, sweeperm3, sweeperp3;
static virtual_timer_t guard0, guard1, guard2, guard3;
static virtual_timer_t continuous;
static volatile sysinterval_t delay;
static volatile bool saturated;
static uint32_t vtcus;
/*===========================================================================*/
/* Module local functions. */
/*===========================================================================*/
static void watchdog_cb(virtual_timer_t *vtp, void *p) {
(void)vtp;
(void)p;
chSysLockFromISR();
chVTResetI(&sweeper0);
chVTResetI(&sweeperm1);
chVTResetI(&sweeperp1);
chVTResetI(&sweeperm3);
chVTResetI(&sweeperp3);
chVTResetI(&wrapper);
chSysUnlockFromISR();
saturated = true;
}
static void wrapper_cb(virtual_timer_t *vtp, void *p) {
(void)vtp;
(void)p;
}
static void sweeper0_cb(virtual_timer_t *vtp, void *p) {
(void)p;
chSysLockFromISR();
#if VT_STORM_CFG_RANDOMIZE != FALSE
/* Pseudo-random delay.*/
{
static volatile unsigned x = 0;
unsigned r;
r = rand() & 15;
while (r--) {
x++;
}
}
#endif
chVTSetI(&wrapper, (sysinterval_t)-1, wrapper_cb, NULL);
chVTSetI(vtp, delay, sweeper0_cb, NULL);
chSysUnlockFromISR();
}
static void sweeperm1_cb(virtual_timer_t *vtp, void *p) {
(void)p;
chSysLockFromISR();
#if VT_STORM_CFG_RANDOMIZE != FALSE
/* Pseudo-random delay.*/
{
static volatile unsigned x = 0;
unsigned r;
r = rand() & 15;
while (r--) {
x++;
}
}
#endif
chVTSetI(vtp, delay - 1, sweeperm1_cb, NULL);
chSysUnlockFromISR();
}
static void sweeperp1_cb(virtual_timer_t *vtp, void *p) {
(void)p;
chSysLockFromISR();
#if VT_STORM_CFG_RANDOMIZE != FALSE
/* Pseudo-random delay.*/
{
static volatile unsigned x = 0;
unsigned r;
r = rand() & 15;
while (r--) {
x++;
}
}
#endif
chVTSetI(vtp, delay + 1, sweeperp1_cb, NULL);
chSysUnlockFromISR();
}
static void sweeperm3_cb(virtual_timer_t *vtp, void *p) {
(void)p;
chSysLockFromISR();
#if VT_STORM_CFG_RANDOMIZE != FALSE
/* Pseudo-random delay.*/
{
static volatile unsigned x = 0;
unsigned r;
r = rand() & 15;
while (r--) {
x++;
}
}
#endif
chVTSetI(vtp, delay - 3, sweeperm3_cb, NULL);
chSysUnlockFromISR();
}
static void sweeperp3_cb(virtual_timer_t *vtp, void *p) {
(void)p;
chSysLockFromISR();
#if VT_STORM_CFG_RANDOMIZE != FALSE
/* Pseudo-random delay.*/
{
static volatile unsigned x = 0;
unsigned r;
r = rand() & 15;
while (r--) {
x++;
}
}
#endif
chVTSetI(vtp, delay + 3, sweeperp3_cb, NULL);
chSysUnlockFromISR();
}
static void continuous_cb(virtual_timer_t *vtp, void *p) {
(void)vtp;
(void)p;
vtcus++;
#if VT_STORM_CFG_RANDOMIZE != FALSE
/* Pseudo-random delay.*/
{
static volatile unsigned x = 0;
unsigned r;
chSysLockFromISR();
r = rand() & 15;
chSysUnlockFromISR();
while (r--) {
x++;
}
}
#endif
}
static void guard_cb(virtual_timer_t *vtp, void *p) {
(void)vtp;
(void)p;
}
/*===========================================================================*/
/* Module exported functions. */
/*===========================================================================*/
/**
* @brief VT storm execution.
*
* @param[in] cfg pointer to the test configuration structure
*
* @api
*/
void vt_storm_execute(const vt_storm_config_t *cfg) {
unsigned i;
config = cfg;
/* Printing environment information.*/
chprintf(cfg->out, "");
chprintf(cfg->out, "\r\n*** ChibiOS/RT VT-STORM long duration test\r\n***\r\n");
chprintf(cfg->out, "*** Kernel: %s\r\n", CH_KERNEL_VERSION);
chprintf(cfg->out, "*** Compiled: %s\r\n", __DATE__ " - " __TIME__);
#ifdef PORT_COMPILER_NAME
chprintf(cfg->out, "*** Compiler: %s\r\n", PORT_COMPILER_NAME);
#endif
chprintf(cfg->out, "*** Architecture: %s\r\n", PORT_ARCHITECTURE_NAME);
#ifdef PORT_CORE_VARIANT_NAME
chprintf(cfg->out, "*** Core Variant: %s\r\n", PORT_CORE_VARIANT_NAME);
#endif
chprintf(cfg->out, "*** System Clock: %d\r\n", cfg->sysclk);
#ifdef PORT_INFO
chprintf(cfg->out, "*** Port Info: %s\r\n", PORT_INFO);
#endif
#ifdef PLATFORM_NAME
chprintf(cfg->out, "*** Platform: %s\r\n", PLATFORM_NAME);
#endif
#ifdef BOARD_NAME
chprintf(cfg->out, "*** Test Board: %s\r\n", BOARD_NAME);
#endif
chprintf(cfg->out, "***\r\n");
chprintf(cfg->out, "*** Randomize: %d\r\n", VT_STORM_CFG_RANDOMIZE);
chprintf(cfg->out, "*** Hammers: %d\r\n", VT_STORM_CFG_HAMMERS);
chprintf(cfg->out, "*** Minimum Delay: %d ticks\r\n", VT_STORM_CFG_MIN_DELAY);
chprintf(cfg->out, "*** System Time size: %d bits\r\n", CH_CFG_ST_RESOLUTION);
chprintf(cfg->out, "*** Intervals size: %d bits\r\n", CH_CFG_INTERVALS_SIZE);
chprintf(cfg->out, "*** SysTick: %d Hz\r\n", CH_CFG_ST_FREQUENCY);
chprintf(cfg->out, "*** Delta: %d ticks\r\n", CH_CFG_ST_TIMEDELTA);
chprintf(cfg->out, "\r\n");
#if VT_STORM_CFG_HAMMERS
/* Starting hammer timers.*/
gptStart(cfg->gpt1p, cfg->gptcfg1p);
gptStart(cfg->gpt2p, cfg->gptcfg2p);
gptStartContinuous(cfg->gpt1p, 99);
gptStartContinuous(cfg->gpt2p, 101);
#endif
for (i = 1; i <= VT_STORM_CFG_ITERATIONS; i++) {
chprintf(cfg->out, "Iteration %d\r\n", i);
chThdSleepS(TIME_MS2I(10));
/* Starting continuous timer.*/
vtcus = 0;
delay = TIME_US2I(128);
saturated = false;
do {
sysinterval_t decrease;
/* Starting sweepers.*/
chSysLock();
chVTSetI(&watchdog, TIME_MS2I(501), watchdog_cb, NULL);
chVTSetI(&sweeper0, delay, sweeper0_cb, NULL);
chVTSetI(&sweeperm1, delay - 1, sweeperm1_cb, NULL);
chVTSetI(&sweeperp1, delay + 1, sweeperp1_cb, NULL);
chVTSetI(&sweeperm3, delay - 3, sweeperm3_cb, NULL);
chVTSetI(&sweeperp3, delay + 3, sweeperp3_cb, NULL);
chVTSetI(&wrapper, (sysinterval_t) - 1, wrapper_cb, NULL);
chVTSetContinuousI(&continuous, TIME_US2I(50), continuous_cb, NULL);
chVTSetI(&guard0, TIME_MS2I(250) + (CH_CFG_TIME_QUANTUM / 2), guard_cb, NULL);
chVTSetI(&guard1, TIME_MS2I(250) + (CH_CFG_TIME_QUANTUM - 1), guard_cb, NULL);
chVTSetI(&guard2, TIME_MS2I(250) + (CH_CFG_TIME_QUANTUM + 1), guard_cb, NULL);
chVTSetI(&guard3, TIME_MS2I(250) + (CH_CFG_TIME_QUANTUM * 2), guard_cb, NULL);
/* Letting them run for half second.*/
chThdSleepS(TIME_MS2I(100));
/* Stopping everything.*/
chVTResetI(&watchdog);
chVTResetI(&sweeper0);
chVTResetI(&sweeperm1);
chVTResetI(&sweeperp1);
chVTResetI(&sweeperm3);
chVTResetI(&sweeperp3);
chVTResetI(&wrapper);
chVTResetI(&continuous);
chVTResetI(&guard0);
chVTResetI(&guard1);
chVTResetI(&guard2);
chVTResetI(&guard3);
chSysUnlock();
if (saturated) {
chprintf(cfg->out, "#");
break;
}
palToggleLine(config->line);
chprintf(cfg->out, ".");
// if (delay >= TIME_US2I(1)) {
// delay -= TIME_US2I(1);
// }
decrease = delay / (sysinterval_t)64;
if (decrease == (sysinterval_t)0) {
decrease = (sysinterval_t)1;
}
delay = delay - decrease;
} while (delay >= (sysinterval_t)VT_STORM_CFG_MIN_DELAY);
if (saturated) {
chprintf(cfg->out, "\r\nSaturated at %u uS %u ticks", TIME_I2US(delay), delay);
chprintf(cfg->out, "\r\nContinuous ticks %u\r\n\r\n", vtcus);
}
else {
chprintf(cfg->out, "\r\nNon saturated");
chprintf(cfg->out, "\r\nContinuous ticks %u\r\n\r\n", vtcus);
}
}
}
#if VT_STORM_CFG_HAMMERS || defined(__DOXYGEN__)
/**
* @brief GPT callback 1.
*/
void vt_storm_gpt1_cb(GPTDriver *gptp) {
(void)gptp;
#if VT_STORM_CFG_RANDOMIZE != FALSE
/* Pseudo-random delay.*/
{
static volatile unsigned x = 0;
unsigned r;
chSysLockFromISR();
r = rand() & 31;
chSysUnlockFromISR();
while (r--) {
x++;
}
}
#endif
}
/**
* @brief GPT callback 2.
*/
void vt_storm_gpt2_cb(GPTDriver *gptp) {
(void)gptp;
#if VT_STORM_CFG_RANDOMIZE != FALSE
/* Pseudo-random delay.*/
{
static volatile unsigned x = 0;
unsigned r;
chSysLockFromISR();
r = rand() & 31;
chSysUnlockFromISR();
while (r--) {
x++;
}
}
#endif
}
#endif
/** @} */