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/*
* Copyright (c) 2012-2014 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 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/libcsupport.h>
#include <string.h>
#include <rtems/libio_.h>
#include <rtems/malloc.h>
#include <rtems/score/rbtreeimpl.h>
#include <rtems/score/protectedheap.h>
#include <rtems/score/threadimpl.h>
#include <rtems/score/wkspace.h>
#include <rtems/posix/keyimpl.h>
static const struct {
Objects_APIs api;
uint16_t cls;
} objects_info_table[] = {
{ OBJECTS_POSIX_API, OBJECTS_POSIX_KEYS },
{ OBJECTS_CLASSIC_API, OBJECTS_RTEMS_BARRIERS },
{ OBJECTS_CLASSIC_API, OBJECTS_RTEMS_EXTENSIONS },
{ OBJECTS_CLASSIC_API, OBJECTS_RTEMS_MESSAGE_QUEUES },
{ OBJECTS_CLASSIC_API, OBJECTS_RTEMS_PARTITIONS },
{ OBJECTS_CLASSIC_API, OBJECTS_RTEMS_PERIODS },
{ OBJECTS_CLASSIC_API, OBJECTS_RTEMS_PORTS },
{ OBJECTS_CLASSIC_API, OBJECTS_RTEMS_REGIONS },
{ OBJECTS_CLASSIC_API, OBJECTS_RTEMS_SEMAPHORES },
{ OBJECTS_CLASSIC_API, OBJECTS_RTEMS_TASKS },
{ OBJECTS_CLASSIC_API, OBJECTS_RTEMS_TIMERS },
{ OBJECTS_POSIX_API, OBJECTS_POSIX_MESSAGE_QUEUES },
{ OBJECTS_POSIX_API, OBJECTS_POSIX_SEMAPHORES },
{ OBJECTS_POSIX_API, OBJECTS_POSIX_THREADS }
#ifdef RTEMS_POSIX_API
,
{ OBJECTS_POSIX_API, OBJECTS_POSIX_TIMERS }
#endif
};
static int open_files(void)
{
int free_count = 0;
rtems_libio_t *iop;
rtems_libio_lock();
iop = rtems_libio_iop_free_head;
while (iop != NULL) {
++free_count;
iop = iop->data1;
}
rtems_libio_unlock();
return (int) rtems_libio_number_iops - free_count;
}
static void get_heap_info(Heap_Control *heap, Heap_Information_block *info)
{
_Heap_Get_information(heap, info);
memset(&info->Stats, 0, sizeof(info->Stats));
}
static POSIX_Keys_Control *get_next_key(Objects_Id *id)
{
return (POSIX_Keys_Control *)
_Objects_Get_next(*id, &_POSIX_Keys_Information, id);
}
static uint32_t get_active_posix_key_value_pairs(void)
{
uint32_t count = 0;
Objects_Id id = OBJECTS_ID_INITIAL_INDEX;
POSIX_Keys_Control *the_key;
while ((the_key = get_next_key(&id)) != NULL ) {
count += _Chain_Node_count_unprotected(&the_key->Key_value_pairs);
_Objects_Allocator_unlock();
}
return count;
}
void rtems_resource_snapshot_take(rtems_resource_snapshot *snapshot)
{
uint32_t *active;
size_t i;
memset(snapshot, 0, sizeof(*snapshot));
_RTEMS_Lock_allocator();
_Thread_Kill_zombies();
get_heap_info(RTEMS_Malloc_Heap, &snapshot->heap_info);
get_heap_info(&_Workspace_Area, &snapshot->workspace_info);
active = &snapshot->active_posix_keys;
for (i = 0; i < RTEMS_ARRAY_SIZE(objects_info_table); ++i) {
const Objects_Information *information;
information = _Objects_Get_information(
objects_info_table[i].api,
objects_info_table[i].cls
);
if (information != NULL) {
active[i] = _Objects_Active_count(information);
}
}
_RTEMS_Unlock_allocator();
snapshot->active_posix_key_value_pairs = get_active_posix_key_value_pairs();
snapshot->open_files = open_files();
}
bool rtems_resource_snapshot_equal(
const rtems_resource_snapshot *a,
const rtems_resource_snapshot *b
)
{
return memcmp(a, b, sizeof(*a)) == 0;
}
bool rtems_resource_snapshot_check(const rtems_resource_snapshot *snapshot)
{
rtems_resource_snapshot now;
rtems_resource_snapshot_take(&now);
return rtems_resource_snapshot_equal(&now, snapshot);
}
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