ardupilot/libraries/AP_HAL_Linux/Perf_Lttng.cpp

88 lines
2.1 KiB
C++

/*
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, see <http://www.gnu.org/licenses/>.
*/
#include <AP_HAL/AP_HAL.h>
#pragma GCC diagnostic ignored "-Wcast-align"
#if CONFIG_HAL_BOARD == HAL_BOARD_LINUX && defined(PERF_LTTNG)
#define TRACEPOINT_CREATE_PROBES
#define TRACEPOINT_DEFINE
#include "Perf_Lttng_TracePoints.h"
#include <string.h>
#include "Perf_Lttng.h"
#include "AP_HAL_Linux.h"
#include "Util.h"
using namespace Linux;
Perf_Lttng::Perf_Lttng(AP_HAL::Util::perf_counter_type type, const char *name)
: _type(type)
{
strncpy(_name, name, MAX_TRACEPOINT_NAME_LEN);
}
void Perf_Lttng::begin()
{
if (_type != AP_HAL::Util::PC_ELAPSED) {
return;
}
tracepoint(ardupilot, begin, _name);
}
void Perf_Lttng::end()
{
if (_type != AP_HAL::Util::PC_ELAPSED) {
return;
}
tracepoint(ardupilot, end, _name);
}
void Perf_Lttng::count()
{
if (_type != AP_HAL::Util::PC_COUNT) {
return;
}
tracepoint(ardupilot, count, _name, ++_count);
}
Util::perf_counter_t Util::perf_alloc(perf_counter_type type, const char *name)
{
return new Linux::Perf_Lttng(type, name);
}
void Util::perf_begin(perf_counter_t perf)
{
Linux::Perf_Lttng *perf_lttng = (Linux::Perf_Lttng *)perf;
perf_lttng->begin();
}
void Util::perf_end(perf_counter_t perf)
{
Linux::Perf_Lttng *perf_lttng = (Linux::Perf_Lttng *)perf;
perf_lttng->end();
}
void Util::perf_count(perf_counter_t perf)
{
Linux::Perf_Lttng *perf_lttng = (Linux::Perf_Lttng *)perf;
perf_lttng->count();
}
#endif