/**
* @file
*
* @ingroup rtems_bdpart
*
* @brief Enable the Monitor to Show bdbuf Information
*
* This module inspects the bdbuf data structures,
* assuming they are static, but in fact they are used very
* dynamically. Therefore the results show MAY BE INCORRECT in
* some cases. And, to cure this a bit, this module may block
* preemption for a rather long time and therefore it may
* BREAK THE REALTIME BEHAVIOUR OF YOUR SYSTEM (when in use)
*/
/*
* Copyright (c) 2005
* Embedded Brains GmbH
* Obere Lagerstr. 30
* D-82178 Puchheim
* Germany
* rtems@embedded-brains.de
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems.h>
#include <rtems/monitor.h>
#include <rtems/bdbuf.h>
#include <string.h>
#include <ctype.h>
#include <stdio.h>
#include <rtems/libio.h>
#include <inttypes.h>
typedef struct {
bool bdbuf_modified;
bool bdbuf_in_progress;
bool bdbuf_actual;
bool bdbuf_used;
bool bdbuf_all;
rtems_bdpool_id pool_id;
} show_bdbuf_filter_t;
typedef struct {
bool show_all;
bool show_node_chain;
bool show_dev;
bool show_blocknum;
bool show_error;
bool show_state;
bool show_use_count;
bool show_pool_id;
bool show_sema;
} show_bdbuf_selector_t;
typedef enum {bdbuf_chain_ident_none,
bdbuf_chain_ident_free,
bdbuf_chain_ident_lru,
bdbuf_chain_ident_mod} bdbuf_chain_identifier_t;
typedef struct {
rtems_bdpool_id pool_id;
int index;
bdbuf_chain_identifier_t in_chain;
dev_t dev;
blkdev_bnum blknum;
rtems_status_code status;
int error;
bool modified;
bool in_progress;
bool actual;
int use_count;
const CORE_mutex_Control *sema;
} show_bdbuf_bdbuf_info_t;
typedef rtems_mode preemption_key_t;
#define DISABLE_PREEMPTION(key) \
do { \
rtems_task_mode(RTEMS_NO_PREEMPT, RTEMS_PREEMPT_MASK, &(key)); \
} while (0)
#define ENABLE_PREEMPTION(key) \
do { \
rtems_mode temp; \
rtems_task_mode((key), RTEMS_PREEMPT_MASK, &temp); \
} while (0)
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
rtems_status_code rtems_bdbuf_show_follow_chain_node_to_head
(
/*-------------------------------------------------------------------------*\
| Purpose: |
| follow a given chain to its head |
| XXX: this is executed with preemption disabled |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
const Chain_Node *the_node, /* input: node to track to its head */
Chain_Control **the_head /* storage for pointer to chain head */
)
/*-------------------------------------------------------------------------*\
| Return Value: |
| rtems_status_code |
\*=========================================================================*/
{
rtems_status_code rc = RTEMS_SUCCESSFUL;
preemption_key_t preempt_key;
bool preempt_disabled = false;
/*
* disable preemption
*/
if (rc == RTEMS_SUCCESSFUL) {
DISABLE_PREEMPTION(preempt_key);
}
/*
* follow node to its head
* XXX: this is highly dependent on the chain implementation
* in score/src/chain.c and friends
*/
while (the_node->previous != NULL) {
the_node = the_node->previous;
}
/*
* reenable preemption, if disabled
*/
if (preempt_disabled) {
ENABLE_PREEMPTION(preempt_key);
}
/*
* XXX: this depends n the chain implementation in
* score/include/rtems/score/chain.h:
* Chain_Control is overlayed by two Cohain_Nodes
*/
*the_head = (Chain_Control *)the_node;
return rc;
}
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
rtems_status_code rtems_bdbuf_show_determine_chain_of_bdbuf
(
/*-------------------------------------------------------------------------*\
| Purpose: |
| find out, which chain this bdbuf is linked in |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
const bdbuf_buffer *the_bdbuf, /* this is the bdbuf structure */
const bdbuf_pool *curr_pool, /* the pool this buffer belongs to */
bdbuf_chain_identifier_t *chn_ident /* result: identifier for chain */
)
/*-------------------------------------------------------------------------*\
| Return Value: |
| rtems_status_code |
\*=========================================================================*/
{
rtems_status_code rc = RTEMS_SUCCESSFUL;
Chain_Control *the_chain_control;
*chn_ident = bdbuf_chain_ident_none;
if (rc == RTEMS_SUCCESSFUL) {
rc = rtems_bdbuf_show_follow_chain_node_to_head(&(the_bdbuf->link),
&(the_chain_control));
}
if (rc == RTEMS_SUCCESSFUL) {
if (the_chain_control == &(curr_pool->free)) {
*chn_ident = bdbuf_chain_ident_free;
}
else if (the_chain_control == &(curr_pool->lru)) {
*chn_ident = bdbuf_chain_ident_lru;
}
else if (the_chain_control == &(rtems_bdbuf_ctx.mod)) {
*chn_ident = bdbuf_chain_ident_mod;
}
}
return rc;
}
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
rtems_status_code rtems_bdbuf_show_getargs
(
/*-------------------------------------------------------------------------*\
| Purpose: |
| analyze cmd arguments |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
int argc,
char **argv,
show_bdbuf_filter_t *filter,
show_bdbuf_selector_t *selector
)
/*-------------------------------------------------------------------------*\
| Return Value: |
| rtems_status_code |
\*=========================================================================*/
{
rtems_status_code sc = RTEMS_SUCCESSFUL;
int arg_error = 0;
int i;
char *tmp_ptr;
int nm_argc = 0;
/*
* set filter and selector to default
*/
memset(filter,0,sizeof(*filter));
filter->bdbuf_all = true;
memset(selector,0,sizeof(*selector));
selector->show_all = true;
/*
* scan arguments
*/
for (i = 1;
(i < argc) && (arg_error == 0);
i++) {
if (argv[i][0] == '-') {
/*
* modifier arguments
*/
switch(tolower(argv[i][1])) {
/*
* selection, which bdbufs to show
*/
case 'm': /* only show bdbufs modified */
filter->bdbuf_modified = true ;
filter->bdbuf_all = false;
break;
case 'i': /* only show bdbufs in progress*/
filter->bdbuf_in_progress = true ;
filter->bdbuf_all = false;
break;
case 'v': /* only show bdbufs, which have valid data*/
filter->bdbuf_actual = true ;
filter->bdbuf_all = false;
break;
case 'u': /* only show bdbufs, which are in use */
filter->bdbuf_used = true ;
filter->bdbuf_all = false;
break;
case 'p': /* only show bdbufs, which belong to pool <n> */
filter->pool_id = strtol(argv[i]+2,&tmp_ptr,0);
if (tmp_ptr == argv[i]+2) { /* no conversion performed... */
arg_error = i;
}
filter->bdbuf_all = false;
break;
/*
* selection, what fields to show
*/
case 'n': /* show bdbuf node_chain */
selector->show_node_chain = true ;
selector->show_all = false;
break;
case 'd': /* show device */
selector->show_dev = true ;
selector->show_all = false;
break;
case 'b': /* show blocknum */
selector->show_blocknum = true ;
selector->show_all = false;
break;
case 'e': /* show bdbuf error status */
selector->show_error = true ;
selector->show_all = false;
break;
case 's': /* show bdbuf state */
selector->show_state = true ;
selector->show_all = false;
break;
case 'c': /* show bdbuf use count */
selector->show_use_count = true ;
selector->show_all = false;
break;
case 'l': /* show bdbuf pool id */
selector->show_pool_id = true ;
selector->show_all = false;
break;
case 't': /* show bdbuf transfer sema */
selector->show_sema = true ;
break;
default:
arg_error = i;
break;
}
}
else {
/*
* non-modifier arguments
*/
switch(++nm_argc) {
default: /* no further arguments defined */
arg_error = i;
break;
}
}
}
if (arg_error) {
printf("%s: unknown argument %s\n",argv[0],argv[arg_error]);
sc = RTEMS_NOT_DEFINED;
}
return sc;
}
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
rtems_status_code rtems_bdbuf_show_get_bufpool
(
/*-------------------------------------------------------------------------*\
| Purpose: |
| get buffer pool information |
| XXX: this should be coupled closer to the bdbuf.c module |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
struct bdbuf_pool **pool_base_pptr,
int *pool_cnt_ptr
)
/*-------------------------------------------------------------------------*\
| Return Value: |
| rtems_status_code |
\*=========================================================================*/
{
rtems_status_code rc = RTEMS_SUCCESSFUL;
#if 0
rtems_status_code pool_rc = RTEMS_SUCCESSFUL;
struct bdbuf_pool *curr_pool,*pool_base, *pool_top;
int pool_cnt;
int pool_probe_size;
/*
* get first buffer pool
* XXX: this is highly dependent on how pools are defined
* and maintained in bdbuf.c
*/
if (rc == RTEMS_SUCCESSFUL) {
/*
* try all possible pool sizes, get highest/lowest pool address
*/
pool_base = NULL;
pool_top = NULL;
curr_pool = NULL;
for (pool_probe_size = 1;
pool_probe_size < (INT_MAX>>1) && (pool_rc == RTEMS_SUCCESSFUL);
pool_probe_size <<= 1) {
pool_rc = rtems_bdbuf_find_pool(pool_probe_size,&curr_pool);
if (pool_rc == RTEMS_SUCCESSFUL) {
if (pool_base > curr_pool) {
pool_base = curr_pool;
}
if (pool_top < curr_pool) {
pool_top = curr_pool;
}
}
}
if (pool_base == NULL) {
rc = RTEMS_UNSATISFIED;
}
else {
pool_cnt = (pool_top - pool_base) + 1;
}
}
if (rc == RTEMS_SUCCESSFUL) {
*pool_base_pptr = pool_base;
*pool_cnt_ptr = pool_cnt;
}
#else
if (rc == RTEMS_SUCCESSFUL) {
*pool_base_pptr = rtems_bdbuf_ctx.pool;
*pool_cnt_ptr = rtems_bdbuf_ctx.npools;
}
#endif
return rc;
}
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
rtems_status_code rtems_bdbuf_show_pool_header
(
/*-------------------------------------------------------------------------*\
| Purpose: |
| print buffer pool information |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
int pool_idx,
bdbuf_pool *pool_ptr
)
/*-------------------------------------------------------------------------*\
| Return Value: |
| rtems_status_code |
\*=========================================================================*/
{
rtems_status_code rc = RTEMS_SUCCESSFUL;
if (rc == RTEMS_SUCCESSFUL) {
printf("------------------------------------------------------------------------------\n");
printf(" pool #%03d: blksize=%5u nblks=%5u buf_mem=0x%08" PRIxPTR " bdbuf_mem=0x%08" PRIxPTR "\n",
pool_idx,
pool_ptr->blksize,
pool_ptr->nblks,
(intptr_t) pool_ptr->mallocd_bufs,
(intptr_t) pool_ptr->bdbufs);
printf("------------------------------------------------------------------------------\n");
}
return rc;
}
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
rtems_status_code rtems_show_bdbuf_get_bdbuf_info
(
/*-------------------------------------------------------------------------*\
| Purpose: |
| get buffer pool information |
| XXX: this should be coupled closer to the bdbuf.c module |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
const bdbuf_buffer *the_bdbuf, /* this is the bdbuf structure */
int bdbuf_idx, /* index of bdbuf */
const bdbuf_pool *curr_pool, /* the pool this buffer belongs to */
show_bdbuf_bdbuf_info_t *bdbuf_info /* struct to store info of bdbuf */
)
/*-------------------------------------------------------------------------*\
| Return Value: |
| rtems_status_code |
\*=========================================================================*/
{
rtems_status_code rc = RTEMS_SUCCESSFUL;
/*
* determine the chain we are in
*/
if (rc == RTEMS_SUCCESSFUL) {
rc = rtems_bdbuf_show_determine_chain_of_bdbuf(the_bdbuf,curr_pool,
&(bdbuf_info->in_chain));
if (rc != RTEMS_SUCCESSFUL) {
bdbuf_info->in_chain = bdbuf_chain_ident_none;
rc = RTEMS_SUCCESSFUL;
}
}
if (rc == RTEMS_SUCCESSFUL) {
bdbuf_info->index = bdbuf_idx;
bdbuf_info->dev = the_bdbuf->dev;
bdbuf_info->blknum = the_bdbuf->block;
bdbuf_info->status = the_bdbuf->status;
bdbuf_info->error = the_bdbuf->error;
bdbuf_info->modified = the_bdbuf->modified;
bdbuf_info->in_progress = the_bdbuf->in_progress;
bdbuf_info->actual = the_bdbuf->actual;
bdbuf_info->use_count = the_bdbuf->use_count;
bdbuf_info->sema = &(the_bdbuf->transfer_sema);
bdbuf_info->pool_id = the_bdbuf->pool;
}
return rc;
}
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
rtems_status_code rtems_show_bdbuf_match_filter
(
/*-------------------------------------------------------------------------*\
| Purpose: |
| match bdbuf info with given filter |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
const show_bdbuf_bdbuf_info_t *bdbuf_info, /* struct to store info of bdbuf */
const show_bdbuf_filter_t *filter,
bool *is_match
)
/*-------------------------------------------------------------------------*\
| Return Value: |
| rtems_status_code |
\*=========================================================================*/
{
rtems_status_code rc = RTEMS_SUCCESSFUL;
bool unmatch = false;
if (rc == RTEMS_SUCCESSFUL) {
if (filter->bdbuf_all) {
unmatch = false;
}
else {
unmatch = ((filter->bdbuf_modified && !bdbuf_info->modified) ||
(filter->bdbuf_in_progress && !bdbuf_info->in_progress) ||
(filter->bdbuf_actual && !bdbuf_info->actual) ||
(filter->bdbuf_used && !(bdbuf_info->use_count > 0)));
}
*is_match = !unmatch;
}
return rc;
}
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
rtems_status_code rtems_show_bdbuf_print_wait_chain
(
/*-------------------------------------------------------------------------*\
| Purpose: |
| list tasks waiting in "transfer_sema" chain |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
bdbuf_buffer *the_bdbuf /* this is the bdbuf structure */
)
/*-------------------------------------------------------------------------*\
| Return Value: |
| rtems_status_code |
\*=========================================================================*/
{
rtems_status_code rc = RTEMS_SUCCESSFUL;
Chain_Control *the_chain_head;
const Chain_Node *the_chain_node;
int thread_cnt = 0;
const Thread_Control *the_thread;
Objects_Id thread_id;
Objects_Name thread_name;
uint32_t thread_name_nonstring;
/*
* get head of (fifo) wait chain
*/
if (rc == RTEMS_SUCCESSFUL) {
the_chain_head = &(the_bdbuf->transfer_sema.Wait_queue.Queues.Fifo);
the_chain_node = _Chain_First(the_chain_head);
}
/*
* walk through thread chain
*/
while ((rc == RTEMS_SUCCESSFUL) &&
(the_chain_node != _Chain_Tail( the_chain_head ))) {
thread_cnt++;
the_thread = (const Thread_Control *)the_chain_node;
thread_id = the_thread->Object.id;
thread_name = the_thread->Object.name;
thread_name_nonstring = (uint32_t)thread_name.name_u32;
printf("%20s %3d (0x%08" PRIx32 ") %c%c%c%c\n",
((thread_cnt == 1) ? "Threads waiting:" : ""),
thread_cnt,thread_id,
(char)((thread_name_nonstring >> 24) & 0xff),
(char)((thread_name_nonstring >> 16) & 0xff),
(char)((thread_name_nonstring >> 8) & 0xff),
(char)((thread_name_nonstring >> 0) & 0xff));
the_chain_node = the_chain_node->next;
}
return rc;
}
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
rtems_status_code rtems_show_bdbuf_print
(
/*-------------------------------------------------------------------------*\
| Purpose: |
| print requested bdbuffer information |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
const show_bdbuf_bdbuf_info_t *bdbuf_info, /* info of bdbuf */
show_bdbuf_selector_t * selector, /* selector, what to show */
bool print_header /* true: print header, not info */
)
/*-------------------------------------------------------------------------*\
| Return Value: |
| rtems_status_code |
\*=========================================================================*/
{
rtems_status_code rc = RTEMS_SUCCESSFUL;
/*
* 6 chars: print index of buffer
*/
if (rc == RTEMS_SUCCESSFUL) {
if (print_header) {
printf("INDEX ");
}
else {
printf("%5u ",bdbuf_info->index);
}
}
/*
* 3 chars: print info about the pool id of this buffer
*/
if ((rc == RTEMS_SUCCESSFUL) &&
((selector->show_all) ||
(selector->show_use_count))) {
if (print_header) {
printf("PL ");
}
else {
printf("%2u ",bdbuf_info->pool_id);
}
}
/*
* 4 chars: print info about chain (lru/free/mod) of this buffer
*/
if ((rc == RTEMS_SUCCESSFUL) &&
((selector->show_all) ||
(selector->show_node_chain))) {
if (print_header) {
printf("CHN ");
}
else {
printf("%3s ",
((bdbuf_info->in_chain == bdbuf_chain_ident_free) ? "FRE"
: (bdbuf_info->in_chain == bdbuf_chain_ident_lru) ? "LRU"
: (bdbuf_info->in_chain == bdbuf_chain_ident_mod) ? "MOD"
: "???"));
}
}
/*
* 7 chars: print info about device of this buffer
*/
if ((rc == RTEMS_SUCCESSFUL) &&
((selector->show_all) ||
(selector->show_dev))) {
if (print_header) {
printf("DEVICE ");
}
else {
printf("%3" PRIu32 "%2" PRIu32,
((bdbuf_info->dev == -1)
? 0 : rtems_filesystem_dev_major_t(bdbuf_info->dev)),
((bdbuf_info->dev == -1)
? 0 : rtems_filesystem_dev_minor_t(bdbuf_info->dev)));
}
}
/*
* 7 chars: print info about block number of this buffer
*/
if ((rc == RTEMS_SUCCESSFUL) &&
((selector->show_all) ||
(selector->show_blocknum))) {
if (print_header) {
printf("BLOCK ");
}
else {
printf("%6" PRIu32,bdbuf_info->blknum);
}
}
/*
* 4 chars: print info about use count of this buffer
*/
if ((rc == RTEMS_SUCCESSFUL) &&
((selector->show_all) ||
(selector->show_use_count))) {
if (print_header) {
printf("USE ");
}
else {
printf("%3u ",bdbuf_info->use_count);
}
}
/*
* 4 chars: print info about state of this buffer
*/
if ((rc == RTEMS_SUCCESSFUL) &&
((selector->show_all) ||
(selector->show_state))) {
if (print_header) {
printf("STA ");
}
else {
printf("%c%c%c ",
(bdbuf_info->modified ? 'M' : '.'),
(bdbuf_info->in_progress ? 'P' : '.'),
(bdbuf_info->actual ? 'A' : '.'));
}
}
/*
* 42 chars: print info about error of this buffer
*/
if ((rc == RTEMS_SUCCESSFUL) &&
((selector->show_all) ||
(selector->show_error))) {
if (print_header) {
printf("%20s:%-10s ","RTEMS STATUS","ERRNO");
}
else {
printf("%20s:%-10s ",
((bdbuf_info->status == RTEMS_SUCCESSFUL)
? "SUCCESSFUL" : rtems_status_text(bdbuf_info->status)),
((bdbuf_info->status == RTEMS_SUCCESSFUL)
? "" : strerror(bdbuf_info->error)));
}
}
/*
* FIXME: add info about waiting chain
*/
printf("\n");
return rc;
}
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
void rtems_bdbuf_show_fnc
(
/*-------------------------------------------------------------------------*\
| Purpose: |
| list all bdbufs with their content |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
int argc,
char **argv,
rtems_monitor_command_arg_t* command_arg,
bool verbose
)
/*-------------------------------------------------------------------------*\
| Return Value: |
| rtems_status_code |
\*=========================================================================*/
{
rtems_status_code rc = RTEMS_SUCCESSFUL;
show_bdbuf_filter_t filter;
show_bdbuf_selector_t selector;
show_bdbuf_bdbuf_info_t bdbuf_info;
bdbuf_pool *curr_pool,*pool_base;
int pool_cnt,pool_idx;
int bdbuf_idx;
bool bdbuf_matches;
int matched_cnt,un_matched_cnt;
/*
* analyze command line options
*/
if (rc == RTEMS_SUCCESSFUL) {
rc = rtems_bdbuf_show_getargs (argc,argv,
&filter,&selector);
}
/*
* get buffer pool information
*/
if (rc == RTEMS_SUCCESSFUL) {
rc = rtems_bdbuf_show_get_bufpool(&pool_base,&pool_cnt);
if (rc != RTEMS_SUCCESSFUL) {
printf("%s: ERROR: no buffer pool found\n",argv[0]);
}
}
/*
* for all or selected buffer pool(s)
*/
for (pool_idx = 0;
(rc == RTEMS_SUCCESSFUL) && (pool_idx < pool_cnt);
pool_idx++) {
if ((filter.pool_id < 0) ||
(filter.pool_id == pool_idx)) {
curr_pool = pool_base + pool_idx;
/*
* print pool header
*/
if (rc == RTEMS_SUCCESSFUL) {
rc = rtems_bdbuf_show_pool_header(pool_idx,curr_pool);
}
if (rc == RTEMS_SUCCESSFUL) {
matched_cnt = 0;
un_matched_cnt = 0;
/*
* print header for bdbuf
*/
if (rc == RTEMS_SUCCESSFUL) {
rc = rtems_show_bdbuf_print(NULL,&selector,
true);
}
/*
* for all bdbufs in this pool
*/
for (bdbuf_idx = 0;
((rc == RTEMS_SUCCESSFUL) &&
(bdbuf_idx < curr_pool->nblks));
bdbuf_idx++) {
/*
* get infos about bdbuf
*/
if (rc == RTEMS_SUCCESSFUL) {
rc = rtems_show_bdbuf_get_bdbuf_info
(&(curr_pool->bdbufs[bdbuf_idx]),
bdbuf_idx,
curr_pool,
&bdbuf_info);
}
/*
* check, if bdbuf matches selection criteria
*/
if (rc == RTEMS_SUCCESSFUL) {
rc = rtems_show_bdbuf_match_filter(&bdbuf_info,&filter,
&bdbuf_matches);
}
/*
* print info about bdbuf
*/
if (rc == RTEMS_SUCCESSFUL) {
if (bdbuf_matches) {
rc = rtems_show_bdbuf_print(&bdbuf_info,&selector,
false);
if ((rc == RTEMS_SUCCESSFUL) &&
selector.show_sema) {
rc = rtems_show_bdbuf_print_wait_chain(&(curr_pool->bdbufs[bdbuf_idx]));
}
matched_cnt++;
}
else {
un_matched_cnt++;
}
}
}
/*
* print match statistics and footer
*/
if (rc == RTEMS_SUCCESSFUL) {
printf("%d bdbufs printed, %d bdbufs suppressed\n",
matched_cnt,un_matched_cnt);
}
}
}
}
}
static rtems_monitor_command_entry_t rtems_show_bdbuf_cmds[] = {
{
"bdbuf_show",
"usage: bdbuf_show\n",
0,
rtems_bdbuf_show_fnc,
{ 0 },
0
}
};
#ifndef ARRAY_CNT
#define ARRAY_CNT(arr) (sizeof((arr))/sizeof((arr)[0]))
#endif
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
rtems_status_code rtems_bdbuf_show_init
(
/*-------------------------------------------------------------------------*\
| Purpose: |
| add command(s) to monitor |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
void /* none up to now */
)
/*-------------------------------------------------------------------------*\
| Return Value: |
| rtems_status_code |
\*=========================================================================*/
{
rtems_status_code sc = RTEMS_SUCCESSFUL;
int item;
for (item = 0;
(sc == RTEMS_SUCCESSFUL) && (item < ARRAY_CNT(rtems_show_bdbuf_cmds));
item++) {
if (0 == rtems_monitor_insert_cmd (&rtems_show_bdbuf_cmds[item])) {
sc = RTEMS_INVALID_NAME;
}
}
return sc;
}
