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Tracing: Timer tracing

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Add Timer tracing, default tracing hooks, and documentation.

Signed-off-by: Torbjörn Leksell <torbjorn.leksell@percepio.com>
This commit is contained in:
Torbjörn Leksell 2021-03-26 14:09:10 +01:00 • committed by Anas Nashif
commit 3a66d6c695
2 changed files with 67 additions and 0 deletions
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52
include/tracing/tracing.h
View file

@ -1465,6 +1465,58 @@
*/ /* end of mslab_tracing_apis */
/**
* @brief Timer Tracing APIs
* @defgroup timer_tracing_apis Timer Tracing APIs
* @ingroup tracing_apis
* @{
*/
/**
* @brief Trace initialization of Timer
* @param timer Timer object
*/
#define sys_port_trace_k_timer_init(timer)
/**
* @brief Trace Timer start
* @param timer Timer object
*/
#define sys_port_trace_k_timer_start(timer)
/**
* @brief Trace Timer stop
* @param timer Timer object
*/
#define sys_port_trace_k_timer_stop(timer)
/**
* @brief Trace Timer status sync entry
* @param timer Timer object
*/
#define sys_port_trace_k_timer_status_sync_enter(timer)
/**
* @brief Trace Timer Status sync blocking
* @param timer Timer object
* @param timeout Timeout period
*/
#define sys_port_trace_k_timer_status_sync_blocking(timer, timeout)
/**
* @brief Trace Time Status sync outcome
* @param timer Timer object
* @param result Return value
*/
#define sys_port_trace_k_timer_status_sync_exit(timer, result)
/**
* @}
*/ /* end of timer_tracing_apis */
/**
* @}
*/

15
kernel/timer.c
View file

@ -105,6 +105,9 @@ void k_timer_init(struct k_timer *timer,
}
z_init_timeout(&timer->timeout);
SYS_PORT_TRACING_OBJ_INIT(k_timer, timer);
SYS_TRACING_OBJ_INIT(k_timer, timer);
timer->user_data = NULL;
@ -116,6 +119,8 @@ void k_timer_init(struct k_timer *timer,
void z_impl_k_timer_start(struct k_timer *timer, k_timeout_t duration,
k_timeout_t period)
{
SYS_PORT_TRACING_OBJ_FUNC(k_timer, start, timer);
if (K_TIMEOUT_EQ(duration, K_FOREVER)) {
return;
}
@ -162,6 +167,8 @@ static inline void z_vrfy_k_timer_start(struct k_timer *timer,
void z_impl_k_timer_stop(struct k_timer *timer)
{
SYS_PORT_TRACING_OBJ_FUNC(k_timer, stop, timer);
int inactive = z_abort_timeout(&timer->timeout) != 0;
if (inactive) {
@ -214,6 +221,7 @@ static inline uint32_t z_vrfy_k_timer_status_get(struct k_timer *timer)
uint32_t z_impl_k_timer_status_sync(struct k_timer *timer)
{
__ASSERT(!arch_is_in_isr(), "");
SYS_PORT_TRACING_OBJ_FUNC_ENTER(k_timer, status_sync, timer);
if (!IS_ENABLED(CONFIG_MULTITHREADING)) {
uint32_t result;
@ -243,6 +251,8 @@ uint32_t z_impl_k_timer_status_sync(struct k_timer *timer)
if (result == 0U) {
if (!z_is_inactive_timeout(&timer->timeout)) {
SYS_PORT_TRACING_OBJ_FUNC_BLOCKING(k_timer, status_sync, timer, K_FOREVER);
/* wait for timer to expire or stop */
(void)z_pend_curr(&lock, key, &timer->wait_q, K_FOREVER);
@ -259,6 +269,11 @@ uint32_t z_impl_k_timer_status_sync(struct k_timer *timer)
timer->status = 0U;
k_spin_unlock(&lock, key);
/**
* @note New tracing hook
*/
SYS_PORT_TRACING_OBJ_FUNC_EXIT(k_timer, status_sync, timer, result);
return result;
}