rooty/LibrePilot
1
0
Fork 0
mirror of https://bitbucket.org/librepilot/librepilot.git synced 2025-02-20 10:54:14 +01:00
Code Issues Releases Activity

OP-1026 Add a task monitor api to calculate idle percentage

Browse Source
This commit is contained in:
Alessio Morale 2014-02-22 00:29:02 +01:00
parent 92839fe95d
commit 73d0b93829
2 changed files with 36 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
flight/pios/common/pios_task_monitor.c
View File

@ -33,6 +33,7 @@
static xSemaphoreHandle mLock;
static xTaskHandle *mTaskHandles;
static uint32_t mLastMonitorTime;
static uint32_t mLastIdleMonitorTime;
static uint16_t mMaxTasks;
/**
@ -53,9 +54,11 @@ int32_t PIOS_TASK_MONITOR_Initialize(uint16_t max_tasks)
mMaxTasks = max_tasks;
#if (configGENERATE_RUN_TIME_STATS == 1)
mLastMonitorTime = portGET_RUN_TIME_COUNTER_VALUE();
mLastMonitorTime = portGET_RUN_TIME_COUNTER_VALUE();
mLastIdleMonitorTime = portGET_RUN_TIME_COUNTER_VALUE();
#else
mLastMonitorTime = 0;
mLastMonitorTime = 0;
mLastIdleMonitorTime = 0;
#endif
return 0;
}
@ -146,4 +149,29 @@ void PIOS_TASK_MONITOR_ForEachTask(TaskMonitorTaskInfoCallback callback, void *c
xSemaphoreGiveRecursive(mLock);
}
uint8_t PIOS_TASK_MONITOR_GetIdlePercentage()
{
#if defined(ARCH_POSIX) || defined(ARCH_WIN32)
return 50;
#elif (configGENERATE_RUN_TIME_STATS == 1)
xSemaphoreTakeRecursive(mLock, portMAX_DELAY);
uint32_t currentTime = portGET_RUN_TIME_COUNTER_VALUE();
/* avoid divide-by-zero if the interval is too small */
uint32_t deltaTime = ((currentTime - mLastIdleMonitorTime) / 100) ? : 1;
mLastIdleMonitorTime = currentTime;
uint8_t running_time_percentage = 0;
/* Generate idle time percentage stats */
running_time_percentage = uxTaskGetRunTime(xTaskGetIdleTaskHandle()) / deltaTime;
xSemaphoreGiveRecursive(mLock);
return running_time_percentage;
#endif
return 0;
}
#endif // PIOS_INCLUDE_TASK_MONITOR

6
flight/pios/inc/pios_task_monitor.h
View File

@ -104,4 +104,10 @@ typedef void (*TaskMonitorTaskInfoCallback)(uint16_t task_id, const struct pios_
*/
extern void PIOS_TASK_MONITOR_ForEachTask(TaskMonitorTaskInfoCallback callback, void *context);
/**
* Return the idle task running time percentage.
*/
extern uint8_t PIOS_TASK_MONITOR_GetIdlePercentage();
#endif // PIOS_TASK_MONITOR_H