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LibrePilot/flight/pios/common/pios_instrumentation.c

83 lines
3.3 KiB
C

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