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Debug instrumentation

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@47 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2007-03-09 15:27:47 +00:00
parent e0f2dd1408
commit fd34c0c113
2 changed files with 61 additions and 0 deletions
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60
arch/c5471/src/up_exit.c
View File

@ -45,6 +45,10 @@
#include "os_internal.h"
#include "up_internal.h"
#ifdef CONFIG_DUMP_ON_EXIT
#include <nuttx/fs.h>
#endif
/************************************************************
* Private Definitions
************************************************************/
@ -57,6 +61,57 @@
* Private Funtions
************************************************************/
/************************************************************
* Name: _up_dumponexit
*
* Description:
* Dump the state of all tasks whenever on task exits. This
* is debug instrumentation that was added to check file-
* related reference counting but could be useful again
* sometime in the future.
*
************************************************************/
#if defined(CONFIG_DUMP_ON_EXIT) && defined(CONFIG_DEBUG)
static void _up_dumponexit(FAR _TCB *tcb, FAR void *arg)
{
int i;
dbg(" TCB=%p name=%s\n", tcb, tcb->name);
if (tcb->filelist)
{
dbg(" filelist refcount=%d\n",
tcb->filelist->fl_crefs);
for (i = 0; i < CONFIG_NFILE_DESCRIPTORS; i++)
{
struct inode *inode = tcb->filelist->fl_files[i].f_inode;
if (inode)
{
dbg(" fd=%d refcount=%d\n",
i, inode->i_crefs);
}
}
}
if (tcb->streams)
{
dbg(" streamlist refcount=%d\n",
tcb->streams->sl_crefs);
for (i = 0; i < CONFIG_NFILE_STREAMS; i++)
{
struct file_struct *filep = &tcb->streams->sl_streams[i];
if (filep->fs_filedes >= 0)
{
dbg(" fd=%d nbytes=%d\n",
filep->fs_filedes,
filep->fs_bufpos - filep->fs_bufstart);
}
}
}
}
#endif
/************************************************************
* Public Funtions
************************************************************/
@ -76,6 +131,11 @@ void _exit(int status)
dbg("TCB=%p exitting\n", tcb);
#if defined(CONFIG_DUMP_ON_EXIT) && defined(CONFIG_DEBUG)
dbg("Other tasks:\n");
sched_foreach(_up_dumponexit, NULL);
#endif
/* Remove the tcb task from the ready-to-run list. We can
* ignore the return value because we know that a context
* switch is needed.

1
arch/c5471/src/up_internal.h
View File

@ -53,6 +53,7 @@
#undef CONFIG_SUPPRESS_TIMER_INTS /* No timer */
#define CONFIG_SUPPRESS_SERIAL_INTS 1 /* Console will poll */
#undef CONFIG_SUPPRESS_UART_CONFIG /* Do not reconfig UART */
#undef CONFIG_DUMP_ON_EXIT /* Dumpt task state on exit */
/* LED definitions */