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83 lines
3.3 KiB
C
83 lines
3.3 KiB
C
/**
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******************************************************************************
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*
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* @file pios_instrumentation.c
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* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2014.
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* @brief PiOS instrumentation infrastructure
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* Allow to collects performance indexes and execution times
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* @see The GNU Public License (GPL) Version 3
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*
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*****************************************************************************/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <pios_instrumentation.h>
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pios_perf_counter_t *pios_instrumentation_perf_counters = NULL;
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int8_t pios_instrumentation_max_counters = -1;
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int8_t pios_instrumentation_last_used_counter = -1;
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void PIOS_Instrumentation_Init(int8_t maxCounters)
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{
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PIOS_Assert(maxCounters >= 0);
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if (maxCounters > 0) {
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pios_instrumentation_perf_counters = (pios_perf_counter_t *)pvPortMalloc(sizeof(pios_perf_counter_t) * maxCounters);
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PIOS_Assert(pios_instrumentation_perf_counters);
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memset(pios_instrumentation_perf_counters, 0, sizeof(pios_perf_counter_t) * maxCounters);
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pios_instrumentation_max_counters = maxCounters;
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} else {
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pios_instrumentation_perf_counters = NULL;
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pios_instrumentation_max_counters = -1;
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}
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}
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pios_counter_t PIOS_Instrumentation_CreateCounter(uint32_t id)
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{
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PIOS_Assert(pios_instrumentation_perf_counters && (pios_instrumentation_max_counters > pios_instrumentation_last_used_counter));
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pios_counter_t counter_handle = PIOS_Instrumentation_SearchCounter(id);
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if (!counter_handle) {
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pios_perf_counter_t *newcounter = &pios_instrumentation_perf_counters[++pios_instrumentation_last_used_counter];
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newcounter->id = id;
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newcounter->max = INT32_MIN;
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newcounter->min = INT32_MAX;
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counter_handle = (pios_counter_t)newcounter;
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}
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return counter_handle;
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}
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pios_counter_t PIOS_Instrumentation_SearchCounter(uint32_t id)
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{
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PIOS_Assert(pios_instrumentation_perf_counters);
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uint8_t i = 0;
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while (i < pios_instrumentation_last_used_counter && pios_instrumentation_perf_counters[i].id != id) {
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i++;
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}
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if (pios_instrumentation_perf_counters[i].id != id) {
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return NULL;
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}
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return (pios_counter_t)&pios_instrumentation_perf_counters[i];
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}
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void PIOS_Instrumentation_ForEachCounter(InstrumentationCounterCallback callback, void *context)
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{
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PIOS_Assert(pios_instrumentation_perf_counters);
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for (int8_t index = 0; index < pios_instrumentation_last_used_counter + 1; index++) {
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const pios_perf_counter_t *counter = &pios_instrumentation_perf_counters[index];
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callback(counter, index, context);
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}
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}
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