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add interrupt latency printout command and mean/variance to interval performance counter

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Mark Whitehorn
2014-12-24 14:06:05 -07:00
parent 92eb637d00
commit 9292c8f405
4 changed files with 60 additions and 16 deletions
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src/drivers/stm32/drv_hrt.c
+5 -3
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@@ -253,9 +253,11 @@ static uint16_t latency_baseline;
static uint16_t latency_actual;
/* latency histogram */
#define LATENCY_BUCKET_COUNT 8
static const uint16_t latency_buckets[LATENCY_BUCKET_COUNT] = { 1, 2, 5, 10, 20, 50, 100, 1000 };
static uint32_t latency_counters[LATENCY_BUCKET_COUNT + 1];
#define LATENCY_BUCKET_COUNT 8
__EXPORT const uint16_t latency_bucket_count = LATENCY_BUCKET_COUNT;
__EXPORT const uint16_t latency_buckets[LATENCY_BUCKET_COUNT] = { 1, 2, 5, 10, 20, 50, 100, 1000 };
__EXPORT uint32_t latency_counters[LATENCY_BUCKET_COUNT + 1];
/* timer-specific functions */
static void hrt_tim_init(void);