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srsLTE
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Move gNB metrics processing to the stack thread avoiding concurrency issues in MAC and RRC.

This commit is contained in:
faluco 2021-10-05 14:19:49 +02:00 committed by Andre Puschmann
parent dadd2f7524
commit 9058ee9a5b
2 changed files with 27 additions and 11 deletions
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5
srsenb/hdr/stack/gnb_stack_nr.h
View File

@ -120,7 +120,10 @@ private:
// task scheduling
static const int STACK_MAIN_THREAD_PRIO = 4;
srsran::task_scheduler task_sched;
srsran::task_multiqueue::queue_handle sync_task_queue, ue_task_queue, gtpu_task_queue, mac_task_queue;
srsran::task_multiqueue::queue_handle sync_task_queue, ue_task_queue, gtpu_task_queue, mac_task_queue,
metrics_task_queue;
srsran::dyn_blocking_queue<stack_metrics_t> pending_stack_metrics;
// derived
srsenb::mac_nr mac;

23
srsenb/src/stack/gnb_stack_nr.cc
View File

@ -25,6 +25,7 @@ gnb_stack_nr::gnb_stack_nr(srslog::sink& log_sink) :
pdcp_logger(srslog::fetch_basic_logger("PDCP-NR", log_sink, false)),
rrc_logger(srslog::fetch_basic_logger("RRC-NR", log_sink, false)),
stack_logger(srslog::fetch_basic_logger("STCK-NR", log_sink, false)),
pending_stack_metrics(64),
mac(&task_sched),
rrc(&task_sched),
pdcp(&task_sched, pdcp_logger),
@ -34,6 +35,7 @@ gnb_stack_nr::gnb_stack_nr(srslog::sink& log_sink) :
sync_task_queue = task_sched.make_task_queue();
gtpu_task_queue = task_sched.make_task_queue();
mac_task_queue = task_sched.make_task_queue();
metrics_task_queue = task_sched.make_task_queue();
}
gnb_stack_nr::~gnb_stack_nr()
@ -129,9 +131,7 @@ void gnb_stack_nr::tti_clock_impl()
task_sched.tic();
}
void gnb_stack_nr::process_pdus()
{
}
void gnb_stack_nr::process_pdus() {}
/********************************************************
*
@ -141,10 +141,23 @@ void gnb_stack_nr::process_pdus()
bool gnb_stack_nr::get_metrics(srsenb::stack_metrics_t* metrics)
{
mac.get_metrics(metrics->mac);
rrc.get_metrics(metrics->rrc);
// use stack thread to query metrics
auto ret = metrics_task_queue.try_push([this]() {
srsenb::stack_metrics_t metrics{};
mac.get_metrics(metrics.mac);
rrc.get_metrics(metrics.rrc);
if (not pending_stack_metrics.try_push(std::move(metrics))) {
stack_logger.error("Unable to push metrics to queue");
}
});
if (ret.has_value()) {
// wait for result
*metrics = pending_stack_metrics.pop_blocking();
return true;
}
return false;
}
// Temporary GW interface
void gnb_stack_nr::write_sdu(uint32_t lcid, srsran::unique_byte_buffer_t sdu)