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Added a function for measuring stack usage

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This commit is contained in:
adamdunkels 2006-09-26 20:56:42 +00:00
parent 25a132cff2
commit e072e4084a
4 changed files with 73 additions and 30 deletions
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24
cpu/msp430/mtarch.c
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@ -28,7 +28,7 @@
*
* This file is part of the Contiki operating system.
*
* @(#)$Id: mtarch.c,v 1.2 2006/09/01 22:56:18 adamdunkels Exp $
* @(#)$Id: mtarch.c,v 1.3 2006/09/26 20:56:56 adamdunkels Exp $
*/
#include <stdio.h>
@ -46,17 +46,22 @@ void
mtarch_start(struct mtarch_thread *t,
void (*function)(void *), void *data)
{
int i;
for(i = 0; i < MTARCH_STACKSIZE; ++i) {
t->stack[i] = i;
}
t->sp = &t->stack[MTARCH_STACKSIZE - 1];
*t->sp = (unsigned short)mt_exit;
--t->sp;
*t->sp = (unsigned short)function;
--t->sp;
/* Space for registers. */
t->sp -= 11;
}
/*--------------------------------------------------------------------------*/
static unsigned short *sptmp;
@ -130,3 +135,14 @@ mtarch_pstart(void)
}
/*--------------------------------------------------------------------------*/
int
mtarch_stack_usage(struct mt_thread *t)
{
int i;
for(i = 0; i < MTARCH_STACKSIZE; ++i) {
if(t->thread.stack[i] != (unsigned short)i) {
return MTARCH_STACKSIZE - i;
}
}
}
/*--------------------------------------------------------------------------*/