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added support for statistics on rate monotonic periods.

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This commit is contained in:
Joel Sherrill
1997-04-09 20:02:29 +00:00
parent 0c3cd61642
commit 113ef9fc7e
5 changed files with 252 additions and 25 deletions
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37
c/src/exec/rtems/headers/ratemon.h
View File

@@ -46,7 +46,7 @@ typedef enum {
/* was blocking on it */
RATE_MONOTONIC_EXPIRED /* off chain, will be reset by next */
/* rtems_rate_monotonic_period */
} Rate_Monotonic_Period_states;
} rtems_rate_monotonic_period_states;
/*
* The following constant is the interval passed to the rate_monontonic_period
@@ -55,16 +55,28 @@ typedef enum {
#define RTEMS_PERIOD_STATUS WATCHDOG_NO_TIMEOUT
/*
* The following defines the period status structure.
*/
typedef struct {
rtems_rate_monotonic_period_states state;
unsigned32 ticks_since_last_period;
unsigned32 ticks_executed_since_last_period;
} rtems_rate_monotonic_period_status;
/*
* The following structure defines the control block used to manage
* each period.
*/
typedef struct {
Objects_Control Object;
Watchdog_Control Timer;
Rate_Monotonic_Period_states state;
Thread_Control *owner;
Objects_Control Object;
Watchdog_Control Timer;
rtems_rate_monotonic_period_states state;
unsigned32 owner_ticks_executed_at_period;
unsigned32 time_at_period;
Thread_Control *owner;
} Rate_monotonic_Control;
RTEMS_EXTERN Objects_Information _Rate_monotonic_Information;
@@ -139,6 +151,21 @@ rtems_status_code rtems_rate_monotonic_delete(
Objects_Id id
);
/*
* rtems_rate_monotonic_get_status
*
* DESCRIPTION:
*
* This routine implements the rtems_rate_monotonic_get_status directive.
* Information about the period indicated by ID is returned.
*
*/
rtems_status_code rtems_rate_monotonic_get_status(
Objects_Id id,
rtems_rate_monotonic_period_status *status
);
/*
* rtems_rate_monotonic_period
*

37
c/src/exec/rtems/include/rtems/rtems/ratemon.h
View File

@@ -46,7 +46,7 @@ typedef enum {
/* was blocking on it */
RATE_MONOTONIC_EXPIRED /* off chain, will be reset by next */
/* rtems_rate_monotonic_period */
} Rate_Monotonic_Period_states;
} rtems_rate_monotonic_period_states;
/*
* The following constant is the interval passed to the rate_monontonic_period
@@ -55,16 +55,28 @@ typedef enum {
#define RTEMS_PERIOD_STATUS WATCHDOG_NO_TIMEOUT
/*
* The following defines the period status structure.
*/
typedef struct {
rtems_rate_monotonic_period_states state;
unsigned32 ticks_since_last_period;
unsigned32 ticks_executed_since_last_period;
} rtems_rate_monotonic_period_status;
/*
* The following structure defines the control block used to manage
* each period.
*/
typedef struct {
Objects_Control Object;
Watchdog_Control Timer;
Rate_Monotonic_Period_states state;
Thread_Control *owner;
Objects_Control Object;
Watchdog_Control Timer;
rtems_rate_monotonic_period_states state;
unsigned32 owner_ticks_executed_at_period;
unsigned32 time_at_period;
Thread_Control *owner;
} Rate_monotonic_Control;
RTEMS_EXTERN Objects_Information _Rate_monotonic_Information;
@@ -139,6 +151,21 @@ rtems_status_code rtems_rate_monotonic_delete(
Objects_Id id
);
/*
* rtems_rate_monotonic_get_status
*
* DESCRIPTION:
*
* This routine implements the rtems_rate_monotonic_get_status directive.
* Information about the period indicated by ID is returned.
*
*/
rtems_status_code rtems_rate_monotonic_get_status(
Objects_Id id,
rtems_rate_monotonic_period_status *status
);
/*
* rtems_rate_monotonic_period
*

83
c/src/exec/rtems/src/ratemon.c
View File

@@ -213,6 +213,60 @@ rtems_status_code rtems_rate_monotonic_delete(
return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */
}
/*PAGE
*
* rtems_rate_monotonic_get_status
*
* This directive allows a thread to obtain status information on a
* period.
*
* Input parameters:
* id - rate monotonic id
* status - pointer to status control block
*
* Output parameters:
* RTEMS_SUCCESSFUL - if successful
* error code - if unsuccessful
*
*/
rtems_status_code rtems_rate_monotonic_get_status(
Objects_Id id,
rtems_rate_monotonic_period_status *status
)
{
Objects_Locations location;
Rate_monotonic_Control *the_period;
the_period = _Rate_monotonic_Get( id, &location );
switch ( location ) {
case OBJECTS_ERROR:
return RTEMS_INVALID_ID;
case OBJECTS_REMOTE: /* should never return this */
return RTEMS_INTERNAL_ERROR;
case OBJECTS_LOCAL:
status->state = the_period->state;
if ( status->state == RATE_MONOTONIC_INACTIVE ) {
status->ticks_since_last_period = 0;
status->ticks_executed_since_last_period = 0;
} else {
status->ticks_since_last_period =
_Watchdog_Ticks_since_boot - the_period->time_at_period;
status->ticks_executed_since_last_period =
the_period->owner->ticks_executed -
the_period->owner_ticks_executed_at_period;
}
_Thread_Enable_dispatch();
return RTEMS_SUCCESSFUL;
}
return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */
}
/*PAGE
*
* rtems_rate_monotonic_period
@@ -233,11 +287,11 @@ rtems_status_code rtems_rate_monotonic_period(
rtems_interval length
)
{
Rate_monotonic_Control *the_period;
Objects_Locations location;
rtems_status_code return_value;
Rate_Monotonic_Period_states local_state;
ISR_Level level;
Rate_monotonic_Control *the_period;
Objects_Locations location;
rtems_status_code return_value;
rtems_rate_monotonic_period_states local_state;
ISR_Level level;
the_period = _Rate_monotonic_Get( id, &location );
switch ( location ) {
@@ -281,6 +335,12 @@ rtems_status_code rtems_rate_monotonic_period(
id,
NULL
);
the_period->owner_ticks_executed_at_period =
_Thread_Executing->ticks_executed;
the_period->time_at_period = _Watchdog_Ticks_since_boot;
_Watchdog_Insert_ticks( &the_period->Timer, length );
_Thread_Enable_dispatch();
return RTEMS_SUCCESSFUL;
@@ -322,6 +382,10 @@ rtems_status_code rtems_rate_monotonic_period(
case RATE_MONOTONIC_EXPIRED:
_ISR_Enable( level );
the_period->state = RATE_MONOTONIC_ACTIVE;
the_period->owner_ticks_executed_at_period =
_Thread_Executing->ticks_executed;
the_period->time_at_period = _Watchdog_Ticks_since_boot;
_Watchdog_Insert_ticks( &the_period->Timer, length );
_Thread_Enable_dispatch();
return RTEMS_TIMEOUT;
@@ -372,9 +436,18 @@ void _Rate_monotonic_Timeout(
if ( _States_Is_waiting_for_period( the_thread->current_state ) &&
the_thread->Wait.id == the_period->Object.id ) {
_Thread_Unblock( the_thread );
the_period->owner_ticks_executed_at_period =
the_thread->ticks_executed;
the_period->time_at_period = _Watchdog_Ticks_since_boot;
_Watchdog_Reset( &the_period->Timer );
} else if ( the_period->state == RATE_MONOTONIC_OWNER_IS_BLOCKING ) {
the_period->state = RATE_MONOTONIC_EXPIRED_WHILE_BLOCKING;
the_period->owner_ticks_executed_at_period =
the_thread->ticks_executed;
the_period->time_at_period = _Watchdog_Ticks_since_boot;
_Watchdog_Reset( &the_period->Timer );
} else
the_period->state = RATE_MONOTONIC_EXPIRED;

37
cpukit/rtems/include/rtems/rtems/ratemon.h
View File

@@ -46,7 +46,7 @@ typedef enum {
/* was blocking on it */
RATE_MONOTONIC_EXPIRED /* off chain, will be reset by next */
/* rtems_rate_monotonic_period */
} Rate_Monotonic_Period_states;
} rtems_rate_monotonic_period_states;
/*
* The following constant is the interval passed to the rate_monontonic_period
@@ -55,16 +55,28 @@ typedef enum {
#define RTEMS_PERIOD_STATUS WATCHDOG_NO_TIMEOUT
/*
* The following defines the period status structure.
*/
typedef struct {
rtems_rate_monotonic_period_states state;
unsigned32 ticks_since_last_period;
unsigned32 ticks_executed_since_last_period;
} rtems_rate_monotonic_period_status;
/*
* The following structure defines the control block used to manage
* each period.
*/
typedef struct {
Objects_Control Object;
Watchdog_Control Timer;
Rate_Monotonic_Period_states state;
Thread_Control *owner;
Objects_Control Object;
Watchdog_Control Timer;
rtems_rate_monotonic_period_states state;
unsigned32 owner_ticks_executed_at_period;
unsigned32 time_at_period;
Thread_Control *owner;
} Rate_monotonic_Control;
RTEMS_EXTERN Objects_Information _Rate_monotonic_Information;
@@ -139,6 +151,21 @@ rtems_status_code rtems_rate_monotonic_delete(
Objects_Id id
);
/*
* rtems_rate_monotonic_get_status
*
* DESCRIPTION:
*
* This routine implements the rtems_rate_monotonic_get_status directive.
* Information about the period indicated by ID is returned.
*
*/
rtems_status_code rtems_rate_monotonic_get_status(
Objects_Id id,
rtems_rate_monotonic_period_status *status
);
/*
* rtems_rate_monotonic_period
*

83
cpukit/rtems/src/ratemon.c
View File

@@ -213,6 +213,60 @@ rtems_status_code rtems_rate_monotonic_delete(
return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */
}
/*PAGE
*
* rtems_rate_monotonic_get_status
*
* This directive allows a thread to obtain status information on a
* period.
*
* Input parameters:
* id - rate monotonic id
* status - pointer to status control block
*
* Output parameters:
* RTEMS_SUCCESSFUL - if successful
* error code - if unsuccessful
*
*/
rtems_status_code rtems_rate_monotonic_get_status(
Objects_Id id,
rtems_rate_monotonic_period_status *status
)
{
Objects_Locations location;
Rate_monotonic_Control *the_period;
the_period = _Rate_monotonic_Get( id, &location );
switch ( location ) {
case OBJECTS_ERROR:
return RTEMS_INVALID_ID;
case OBJECTS_REMOTE: /* should never return this */
return RTEMS_INTERNAL_ERROR;
case OBJECTS_LOCAL:
status->state = the_period->state;
if ( status->state == RATE_MONOTONIC_INACTIVE ) {
status->ticks_since_last_period = 0;
status->ticks_executed_since_last_period = 0;
} else {
status->ticks_since_last_period =
_Watchdog_Ticks_since_boot - the_period->time_at_period;
status->ticks_executed_since_last_period =
the_period->owner->ticks_executed -
the_period->owner_ticks_executed_at_period;
}
_Thread_Enable_dispatch();
return RTEMS_SUCCESSFUL;
}
return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */
}
/*PAGE
*
* rtems_rate_monotonic_period
@@ -233,11 +287,11 @@ rtems_status_code rtems_rate_monotonic_period(
rtems_interval length
)
{
Rate_monotonic_Control *the_period;
Objects_Locations location;
rtems_status_code return_value;
Rate_Monotonic_Period_states local_state;
ISR_Level level;
Rate_monotonic_Control *the_period;
Objects_Locations location;
rtems_status_code return_value;
rtems_rate_monotonic_period_states local_state;
ISR_Level level;
the_period = _Rate_monotonic_Get( id, &location );
switch ( location ) {
@@ -281,6 +335,12 @@ rtems_status_code rtems_rate_monotonic_period(
id,
NULL
);
the_period->owner_ticks_executed_at_period =
_Thread_Executing->ticks_executed;
the_period->time_at_period = _Watchdog_Ticks_since_boot;
_Watchdog_Insert_ticks( &the_period->Timer, length );
_Thread_Enable_dispatch();
return RTEMS_SUCCESSFUL;
@@ -322,6 +382,10 @@ rtems_status_code rtems_rate_monotonic_period(
case RATE_MONOTONIC_EXPIRED:
_ISR_Enable( level );
the_period->state = RATE_MONOTONIC_ACTIVE;
the_period->owner_ticks_executed_at_period =
_Thread_Executing->ticks_executed;
the_period->time_at_period = _Watchdog_Ticks_since_boot;
_Watchdog_Insert_ticks( &the_period->Timer, length );
_Thread_Enable_dispatch();
return RTEMS_TIMEOUT;
@@ -372,9 +436,18 @@ void _Rate_monotonic_Timeout(
if ( _States_Is_waiting_for_period( the_thread->current_state ) &&
the_thread->Wait.id == the_period->Object.id ) {
_Thread_Unblock( the_thread );
the_period->owner_ticks_executed_at_period =
the_thread->ticks_executed;
the_period->time_at_period = _Watchdog_Ticks_since_boot;
_Watchdog_Reset( &the_period->Timer );
} else if ( the_period->state == RATE_MONOTONIC_OWNER_IS_BLOCKING ) {
the_period->state = RATE_MONOTONIC_EXPIRED_WHILE_BLOCKING;
the_period->owner_ticks_executed_at_period =
the_thread->ticks_executed;
the_period->time_at_period = _Watchdog_Ticks_since_boot;
_Watchdog_Reset( &the_period->Timer );
} else
the_period->state = RATE_MONOTONIC_EXPIRED;