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qcacmn: Add periodic work tracking

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Add debug tracking to qdf_periodic_work for create and destroy calls.

Change-Id: Id595ba05493ba196e497533ffb4f4e86e33df4b8
CRs-Fixed: 2423644
This commit is contained in:
Dustin Brown 2019-03-13 11:46:58 -07:00 • committed by nshrivas
commit 778ebe552a
2 changed files with 98 additions and 8 deletions
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43
qdf/inc/qdf_periodic_work.h
View file

@ -54,17 +54,25 @@ struct qdf_periodic_work {
*
* Return: QDF_STATUS
*/
#define qdf_periodic_work_create(pwork, callback, context) \
__qdf_periodic_work_create(pwork, callback, context, __func__, __LINE__)
qdf_must_check QDF_STATUS
qdf_periodic_work_create(struct qdf_periodic_work *pwork,
qdf_periodic_work_cb callback, void *context);
__qdf_periodic_work_create(struct qdf_periodic_work *pwork,
qdf_periodic_work_cb callback, void *context,
const char *func, uint32_t line);
/**
* qdf_periodic_work_destroy() - deinitialize a periodic work @pwork
* @pwork: the periodic work to initialize
* @pwork: the periodic work to de-initialize
*
* Return: None
*/
void qdf_periodic_work_destroy(struct qdf_periodic_work *pwork);
#define qdf_periodic_work_destroy(pwork) \
__qdf_periodic_work_destroy(pwork, __func__, __LINE__)
void __qdf_periodic_work_destroy(struct qdf_periodic_work *pwork,
const char *func, uint32_t line);
/**
* qdf_periodic_work_start() - begin periodic execution of @pwork callback
@ -101,5 +109,32 @@ bool qdf_periodic_work_stop_async(struct qdf_periodic_work *pwork);
*/
bool qdf_periodic_work_stop_sync(struct qdf_periodic_work *pwork);
#ifdef WLAN_PERIODIC_WORK_DEBUG
/**
* qdf_periodic_work_check_for_leaks() - assert no periodic work leaks
*
* Return: None
*/
void qdf_periodic_work_check_for_leaks(void);
/**
* qdf_periodic_work_feature_init() - global init logic for periodic work
*
* Return: None
*/
void qdf_periodic_work_feature_init(void);
/**
* qdf_periodic_work_feature_deinit() - global de-init logic for periodic work
*
* Return: None
*/
void qdf_periodic_work_feature_deinit(void);
#else
static inline void qdf_periodic_work_check_for_leaks(void) { }
static inline void qdf_periodic_work_feature_init(void) { }
static inline void qdf_periodic_work_feature_deinit(void) { }
#endif /* WLAN_PERIODIC_WORK_DEBUG */
#endif /* __QDF_PERIODIC_WORK_H */

63
qdf/linux/src/qdf_periodic_work.c
View file

@ -21,6 +21,52 @@
#include "qdf_trace.h"
#include "qdf_types.h"
#ifdef WLAN_PERIODIC_WORK_DEBUG
#include "qdf_tracker.h"
#define qdf_pwork_tracker_bits 2 /* 4 buckets */
static qdf_tracker_declare(qdf_pwork_tracker, qdf_pwork_tracker_bits,
"periodic work leaks", "periodic work create",
"periodic work destroy");
void qdf_periodic_work_feature_init(void)
{
qdf_tracker_init(&qdf_pwork_tracker);
}
void qdf_periodic_work_feature_deinit(void)
{
qdf_tracker_deinit(&qdf_pwork_tracker);
}
void qdf_periodic_work_check_for_leaks(void)
{
qdf_tracker_check_for_leaks(&qdf_pwork_tracker);
}
static inline QDF_STATUS qdf_pwork_dbg_track(struct qdf_periodic_work *pwork,
const char *func, uint32_t line)
{
return qdf_tracker_track(&qdf_pwork_tracker, pwork, func, line);
}
static inline void qdf_pwork_dbg_untrack(struct qdf_periodic_work *pwork,
const char *func, uint32_t line)
{
qdf_tracker_untrack(&qdf_pwork_tracker, pwork, func, line);
}
#else
static inline QDF_STATUS qdf_pwork_dbg_track(struct qdf_periodic_work *pwork,
const char *func, uint32_t line)
{
return QDF_STATUS_SUCCESS;
}
static inline void qdf_pwork_dbg_untrack(struct qdf_periodic_work *pwork,
const char *func, uint32_t line)
{ }
#endif /* WLAN_PERIODIC_WORK_DEBUG */
static void __qdf_periodic_work_handler(struct work_struct *work)
{
struct qdf_periodic_work *pwork =
@ -35,15 +81,22 @@ static void __qdf_periodic_work_handler(struct work_struct *work)
schedule_delayed_work(&pwork->dwork, msecs_to_jiffies(msec));
}
QDF_STATUS qdf_periodic_work_create(struct qdf_periodic_work *pwork,
qdf_periodic_work_cb callback,
void *context)
QDF_STATUS __qdf_periodic_work_create(struct qdf_periodic_work *pwork,
qdf_periodic_work_cb callback,
void *context,
const char *func, uint32_t line)
{
QDF_STATUS status;
QDF_BUG(pwork);
QDF_BUG(callback);
if (!pwork || !callback)
return QDF_STATUS_E_INVAL;
status = qdf_pwork_dbg_track(pwork, func, line);
if (QDF_IS_STATUS_ERROR(status))
return status;
INIT_DELAYED_WORK(&pwork->dwork, __qdf_periodic_work_handler);
pwork->callback = callback;
pwork->context = context;
@ -52,9 +105,11 @@ QDF_STATUS qdf_periodic_work_create(struct qdf_periodic_work *pwork,
return QDF_STATUS_SUCCESS;
}
void qdf_periodic_work_destroy(struct qdf_periodic_work *pwork)
void __qdf_periodic_work_destroy(struct qdf_periodic_work *pwork,
const char *func, uint32_t line)
{
qdf_periodic_work_stop_sync(pwork);
qdf_pwork_dbg_untrack(pwork, func, line);
}
bool qdf_periodic_work_start(struct qdf_periodic_work *pwork, uint32_t msec)