a752c7ab
 elopes
add first test an...
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/*
* Copyright (C) 2017 OTA keys S.A.
* 2017 HAW Hamburg
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup tests
* @{
*
* @file
* @brief ps schedstatistics test app
*
* @author Vincent Dupont <vincent@otakeys.com>
* @author Sebastian Meiling <s@mlng.net>
*
* @}
*/
#include <stdio.h>
#include <inttypes.h>
#include <shell.h>
#include <thread.h>
#include <xtimer.h>
#define NB_THREADS (5U)
static char stacks[NB_THREADS][THREAD_STACKSIZE_DEFAULT];
static kernel_pid_t pids[NB_THREADS];
static void *_thread_fn(void *arg)
{
int next = ((int)arg + 1) % NB_THREADS;
printf("Creating thread #%d, next=%d\n", (int)arg, next);
while (1) {
msg_t m1, m2;
msg_receive(&m1);
/* generate differents loads per thead */
for (int i = 0; i < (10 * (next + 1)); ++i) {
_xtimer_now64();
}
xtimer_usleep(XTIMER_BACKOFF * 3);
msg_send(&m2, pids[next]);
}
return NULL;
}
int main(void)
{
for (unsigned i = 0; i < NB_THREADS; ++i) {
pids[i] = thread_create(stacks[i], sizeof(stacks[i]),
THREAD_PRIORITY_MAIN - 1,
THREAD_CREATE_STACKTEST,
_thread_fn, (void *)i, "thread");
}
/* sleep for a second, so that `ps` shows some % on idle at the beginning */
xtimer_sleep(1);
msg_t msg;
msg_send(&msg, pids[0]);
char line_buf[SHELL_DEFAULT_BUFSIZE];
shell_run(NULL, line_buf, SHELL_DEFAULT_BUFSIZE);
}
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