riot-ci/RIOT
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

tests: enhance ps_schedstatistics

Browse Source
This commit is contained in:
smlng 2017-06-01 10:38:36 +02:00
parent 3ac6d6c80d
commit 19351b5a11
1 changed files with 16 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
tests/ps_schedstatistics/main.c
View File

@ -1,5 +1,6 @@
/*
* 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
@ -14,6 +15,7 @@
* @brief ps schedstatistics test app
*
* @author Vincent Dupont <vincent@otakeys.com>
* @author Sebastian Meiling <s@mlng.net>
*
* @}
*/
@ -25,23 +27,26 @@
#include <thread.h>
#include <xtimer.h>
#define NB_THREADS 5
#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 < NB_THREADS - 1 ? (int)arg + 1 : 0;
msg_t msg;
int next = ((int)arg + 1) % NB_THREADS;
printf("Creating thread #%d, next=%d\n", (int)arg, next);
while (1) {
msg_receive(&msg);
xtimer_usleep(XTIMER_BACKOFF - 1);
xtimer_usleep(2 * XTIMER_BACKOFF);
msg_send(&msg, pids[next]);
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;
@ -49,13 +54,14 @@ static void *_thread_fn(void *arg)
int main(void)
{
for (int i = 0; i < NB_THREADS; i++) {
for (unsigned i = 0; i < NB_THREADS; ++i) {
pids[i] = thread_create(stacks[i], sizeof(stacks[i]),
THREAD_PRIORITY_MAIN + 1,
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]);