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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
View file

@ -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;
}
}
}
/*--------------------------------------------------------------------------*/

57
cpu/msp430/mtarch.h
View file

@ -1,44 +1,49 @@
/*
* Copyright (c) 2005, Swedish Institute of Computer Science
* All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*
* @(#)$Id: mtarch.h,v 1.1 2006/06/17 22:41:21 adamdunkels Exp $
* @(#)$Id: mtarch.h,v 1.2 2006/09/26 20:56:56 adamdunkels Exp $
*/
#ifndef __MTARCH_H__
#define __MTARCH_H__
#define MTARCH_STACKSIZE 64
#define MTARCH_STACKSIZE 128
struct mtarch_thread {
unsigned short stack[MTARCH_STACKSIZE];
unsigned short stack[MTARCH_STACKSIZE];
unsigned short *sp;
};
struct mt_thread;
int mtarch_stack_usage(struct mt_thread *t);
#endif /* __MTARCH_H__ */

18
cpu/x86/mtarch.c
View file

@ -27,7 +27,14 @@ void
mtarch_start(struct mtarch_thread *t,
void (*function)(void *), void *data)
{
struct frame *f = (struct frame *)&t->stack[MTARCH_STACKSIZE - sizeof(struct frame)/4];
int i;
for(i = 0; i < MTARCH_STACKSIZE; ++i) {
t->stack[i] = i;
}
memset(f, 0, sizeof(struct frame));
f->retaddr = (unsigned long)function;
f->data = (unsigned long)data;
@ -99,3 +106,14 @@ 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] != i) {
return MTARCH_STACKSIZE - i;
}
}
}
/*--------------------------------------------------------------------------*/

4
cpu/x86/mtarch.h
View file

@ -41,5 +41,9 @@ struct mtarch_thread {
unsigned long sp;
};
struct mt_thread;
int mtarch_stack_usage(struct mt_thread *t);
#endif /* __MTARCH_H__ */