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Code Issues Releases Activity

OP-1365 Flight code instrumentation API: Add helper function to track mean period between its calls

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This commit is contained in:
Alessio Morale 2014-06-07 18:11:34 +02:00
parent eb35803b5b
commit 197d381937
1 changed files with 21 additions and 0 deletions
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21
flight/pios/inc/pios_instrumentation.h
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@ -93,6 +93,27 @@ inline void PIOS_Instrumentation_TimeEnd(int8_t counterIdx)
vPortExitCritical();
}
/**
* Used to determine the mean period between each call to the function
* @param counterIdx counterIdx index of the counter @see PIOS_Instrumentation_SearchCounter @see PIOS_Instrumentation_CreateCounter
*/
inline void PIOS_Instrumentation_TrackPeriod(int8_t counterIdx)
{
vPortEnterCritical();
PIOS_Assert(pios_instrumentation_perf_counters && (counterIdx <= pios_instrumentation_last_used_counter));
pios_perf_counter_t *counter = &pios_instrumentation_perf_counters[counterIdx];
uint32_t period = PIOS_DELAY_DiffuS(counter->lastUpdateTS);
counter->lastUpdateTS = PIOS_DELAY_GetRaw();
counter->value = (counter->value * 14 + period * 2) / 16;
if (counter->value > counter->max) {
counter->max = counter->value;
}
if (counter->value < counter->min) {
counter->min = counter->value;
}
vPortExitCritical();
}
/**
* Initialize the Instrumentation infrastructure
* @param maxCounters maximum number of allowed counters