15ea5ba3da
Magnitude conversion now happens immediately when sample data is received, so there is no risk of newly received data clobbering old data under CPU overload.
131 lines
4.5 KiB
C
131 lines
4.5 KiB
C
// Part of dump1090, a Mode S message decoder for RTLSDR devices.
|
|
//
|
|
// stats.c: statistics structures and prototypes.
|
|
//
|
|
// Copyright (c) 2015 Oliver Jowett <oliver@mutability.co.uk>
|
|
//
|
|
// This file is free software: you may copy, redistribute and/or modify it
|
|
// under the terms of the GNU General Public License as published by the
|
|
// Free Software Foundation, either version 2 of the License, or (at your
|
|
// option) any later version.
|
|
//
|
|
// This file 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/>.
|
|
|
|
// This file incorporates work covered by the following copyright and
|
|
// permission notice:
|
|
//
|
|
// Copyright (C) 2012 by Salvatore Sanfilippo <antirez@gmail.com>
|
|
//
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
//
|
|
// * Redistributions in binary form must reproduce the above copyright
|
|
// notice, this list of conditions and the following disclaimer in the
|
|
// documentation and/or other materials provided with the distribution.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
// HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
#ifndef DUMP1090_STATS_H
|
|
#define DUMP1090_STATS_H
|
|
|
|
struct stats {
|
|
uint64_t start;
|
|
uint64_t end;
|
|
|
|
// Mode S demodulator counts:
|
|
uint32_t demod_preambles;
|
|
uint32_t demod_rejected_bad;
|
|
uint32_t demod_rejected_unknown_icao;
|
|
uint32_t demod_accepted[MODES_MAX_BITERRORS+1];
|
|
|
|
// Mode A/C demodulator counts:
|
|
uint32_t demod_modeac;
|
|
|
|
uint64_t samples_processed;
|
|
uint64_t samples_dropped;
|
|
|
|
// timing:
|
|
struct timespec demod_cpu;
|
|
struct timespec reader_cpu;
|
|
struct timespec background_cpu;
|
|
|
|
// noise floor:
|
|
double noise_power_sum;
|
|
uint32_t noise_power_count;
|
|
|
|
// mean signal power:
|
|
double signal_power_sum;
|
|
uint32_t signal_power_count;
|
|
|
|
// peak signal power seen
|
|
double peak_signal_power;
|
|
|
|
// number of signals with power > -3dBFS
|
|
uint32_t strong_signal_count;
|
|
|
|
// remote messages:
|
|
uint32_t remote_received_modeac;
|
|
uint32_t remote_received_modes;
|
|
uint32_t remote_rejected_bad;
|
|
uint32_t remote_rejected_unknown_icao;
|
|
uint32_t remote_accepted[MODES_MAX_BITERRORS+1];
|
|
|
|
// total messages:
|
|
uint32_t messages_total;
|
|
|
|
// network:
|
|
uint32_t http_requests;
|
|
|
|
// CPR decoding:
|
|
unsigned int cpr_surface;
|
|
unsigned int cpr_airborne;
|
|
unsigned int cpr_global_ok;
|
|
unsigned int cpr_global_bad;
|
|
unsigned int cpr_global_skipped;
|
|
unsigned int cpr_global_range_checks;
|
|
unsigned int cpr_global_speed_checks;
|
|
unsigned int cpr_local_ok;
|
|
unsigned int cpr_local_skipped;
|
|
unsigned int cpr_local_range_checks;
|
|
unsigned int cpr_local_speed_checks;
|
|
unsigned int cpr_local_aircraft_relative;
|
|
unsigned int cpr_local_receiver_relative;
|
|
unsigned int cpr_filtered;
|
|
|
|
// aircraft:
|
|
// total "new" aircraft (i.e. not seen in the last 30 or 300s)
|
|
unsigned int unique_aircraft;
|
|
// we saw only a single message
|
|
unsigned int single_message_aircraft;
|
|
};
|
|
|
|
void add_stats(const struct stats *st1, const struct stats *st2, struct stats *target);
|
|
void display_stats(struct stats *st);
|
|
void reset_stats(struct stats *st);
|
|
|
|
void add_timespecs(const struct timespec *x, const struct timespec *y, struct timespec *z);
|
|
|
|
#endif
|