print statistics from udp writer every N seconds (not N frames)

check that frame packets sending is finished (new frame) by new trigger number, not pulse_id
check if pulse_id of the frame is more or less correct (in case not - do not store that frame in the ram buffer)
This commit is contained in:
Dmitry Ozerov
2021-02-16 16:25:28 +01:00
committed by Data Backend account
parent 94749585d8
commit aba739ce87
5 changed files with 49 additions and 16 deletions
+4 -2
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@@ -20,8 +20,10 @@ namespace buffer_config {
const size_t FOLDER_MOD = 100000;
// Extension of our file format.
const std::string FILE_EXTENSION = ".bin";
// Number of pulses between each statistics print out.
const size_t STATS_MODULO = 100;
// Number of pulses between each statistics print out (buffer_writer, stream2vis...)
const size_t STATS_MODULO = 1000;
// Number of seconds after which statistics is print out (udp_recv)
const size_t STATS_TIME = 10;
// If the RB is empty, how much time to wait before trying to read it again.
const size_t RB_READ_RETRY_INTERVAL_MS = 5;
// How many frames to read at once from file.
+4 -3
View File
@@ -9,11 +9,12 @@
class FrameStats {
const std::string detector_name_;
const int module_id_;
size_t stats_modulo_;
size_t stats_time_;
int frames_counter_;
int n_missed_packets_;
int n_corrupted_frames_;
int n_corrupted_pulse_id_;
std::chrono::time_point<std::chrono::steady_clock> stats_interval_start_;
void reset_counters();
@@ -22,8 +23,8 @@ class FrameStats {
public:
FrameStats(const std::string &detector_name,
const int module_id,
const size_t stats_modulo);
void record_stats(const ModuleFrame &meta);
const size_t stats_time);
void record_stats(const ModuleFrame &meta, const bool bad_pulse_id);
};
+14 -4
View File
@@ -7,10 +7,10 @@ using namespace chrono;
FrameStats::FrameStats(
const std::string &detector_name,
const int module_id,
const size_t stats_modulo) :
const size_t stats_time) :
detector_name_(detector_name),
module_id_(module_id),
stats_modulo_(stats_modulo)
stats_time_(stats_time)
{
reset_counters();
}
@@ -20,11 +20,17 @@ void FrameStats::reset_counters()
frames_counter_ = 0;
n_missed_packets_ = 0;
n_corrupted_frames_ = 0;
n_corrupted_pulse_id_ = 0;
stats_interval_start_ = steady_clock::now();
}
void FrameStats::record_stats(const ModuleFrame &meta)
void FrameStats::record_stats(const ModuleFrame &meta, const bool bad_pulse_id)
{
if (bad_pulse_id) {
n_corrupted_pulse_id_++;
}
if (meta.n_recv_packets < JF_N_PACKETS_PER_FRAME) {
n_missed_packets_ += JF_N_PACKETS_PER_FRAME - meta.n_recv_packets;
n_corrupted_frames_++;
@@ -32,7 +38,10 @@ void FrameStats::record_stats(const ModuleFrame &meta)
frames_counter_++;
if (frames_counter_ == stats_modulo_) {
auto time_passed = duration_cast<milliseconds>(
steady_clock::now()-stats_interval_start_).count();
if (time_passed >= stats_time_*1000) {
print_stats();
reset_counters();
}
@@ -55,6 +64,7 @@ void FrameStats::print_stats()
cout << "n_missed_packets=" << n_missed_packets_ << "i";
cout << ",n_corrupted_frames=" << n_corrupted_frames_ << "i";
cout << ",repetition_rate=" << rep_rate << "i";
cout << ",n_corrupted_pulse_ids=" << n_corrupted_pulse_id_ << "i";
cout << " ";
cout << timestamp;
cout << endl;
+3 -3
View File
@@ -63,8 +63,8 @@ inline uint64_t FrameUdpReceiver::process_packets(
init_frame(metadata, i_packet);
// Happens if the last packet from the previous frame gets lost.
// In the jungfrau_packet, pulse_id is called bunchid.
} else if (metadata.pulse_id != packet_buffer_[i_packet].bunchid) {
// In the jungfrau_packet, framenum is the trigger number (how many triggers from detector power-on) happened
} else if (metadata.frame_index != packet_buffer_[i_packet].framenum) {
packet_buffer_loaded_ = true;
// Continue on this packet.
packet_buffer_offset_ = i_packet;
@@ -134,4 +134,4 @@ uint64_t FrameUdpReceiver::get_frame_from_udp(
return pulse_id;
}
}
}
}
+24 -4
View File
@@ -33,7 +33,7 @@ int main (int argc, char *argv[]) {
const auto udp_port = config.start_udp_port + module_id;
FrameUdpReceiver receiver(udp_port, module_id);
RamBuffer buffer(config.detector_name, config.n_modules);
FrameStats stats(config.detector_name, module_id, STATS_MODULO);
FrameStats stats(config.detector_name, module_id, STATS_TIME);
auto ctx = zmq_ctx_new();
auto socket = bind_socket(ctx, config.detector_name, to_string(module_id));
@@ -41,14 +41,34 @@ int main (int argc, char *argv[]) {
ModuleFrame meta;
char* data = new char[MODULE_N_BYTES];
uint64_t pulse_id_previous = 0;
uint64_t frame_index_previous = 0;
while (true) {
auto pulse_id = receiver.get_frame_from_udp(meta, data);
buffer.write_frame(meta, data);
bool bad_pulse_id = false;
zmq_send(socket, &pulse_id, sizeof(pulse_id), 0);
if ( ( meta.frame_index != (frame_index_previous+1) ) ||
( (pulse_id-pulse_id_previous) < 0 ) ||
( (pulse_id-pulse_id_previous) > 1000 ) ) {
bad_pulse_id = true;
} else {
buffer.write_frame(meta, data);
zmq_send(socket, &pulse_id, sizeof(pulse_id), 0);
}
stats.record_stats(meta, bad_pulse_id);
pulse_id_previous = pulse_id;
frame_index_previous = meta.frame_index;
stats.record_stats(meta);
}
delete[] data;